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Diffstat (limited to 'ggml/src/ggml.c')
| -rw-r--r-- | ggml/src/ggml.c | 22196 |
1 files changed, 22196 insertions, 0 deletions
diff --git a/ggml/src/ggml.c b/ggml/src/ggml.c new file mode 100644 index 00000000..95a1fc7d --- /dev/null +++ b/ggml/src/ggml.c @@ -0,0 +1,22196 @@ +// +// Copyright (C) 2023-2024 The ggml authors +// Copyright (C) 2024 Iwan Kawrakow +// MIT license +// SPDX-License-Identifier: MIT +// +#define _CRT_SECURE_NO_DEPRECATE // Disables ridiculous "unsafe" warnings on Windows +#define _USE_MATH_DEFINES // For M_PI on MSVC + +#include "ggml-impl.h" +#include "ggml-quants.h" +#include "ggml.h" +#include "ggml-aarch64.h" +#if GGML_USE_IQK_MULMAT +#include "iqk/iqk_mul_mat.h" +#endif + +#if defined(_MSC_VER) || defined(__MINGW32__) +#include <malloc.h> // using malloc.h with MSC/MINGW +#elif !defined(__FreeBSD__) && !defined(__NetBSD__) && !defined(__OpenBSD__) +#include <alloca.h> +#endif + +#include <assert.h> +#include <errno.h> +#include <time.h> +#include <math.h> +#include <stdlib.h> +#include <string.h> +#include <stdint.h> +#include <inttypes.h> +#include <stdio.h> +#include <float.h> +#include <limits.h> +#include <stdarg.h> +#include <signal.h> +#if defined(__gnu_linux__) +#include <syscall.h> +#endif + +#ifdef GGML_USE_OPENMP +#include <omp.h> +#endif + +#ifdef GGML_USE_METAL +#include <unistd.h> +#endif + +#if defined(__ARM_FEATURE_SVE) || defined(__ARM_FEATURE_MATMUL_INT8) +#undef GGML_USE_LLAMAFILE +#endif + +#ifdef GGML_USE_LLAMAFILE +#include <llamafile/sgemm.h> +#endif + +#if defined(_MSC_VER) +// disable "possible loss of data" to avoid hundreds of casts +// we should just be careful :) +#pragma warning(disable: 4244 4267) + +// disable POSIX deprecation warnings +// these functions are never going away, anyway +#pragma warning(disable: 4996) +#endif + +#if defined(_WIN32) + +#define WIN32_LEAN_AND_MEAN +#ifndef NOMINMAX + #define NOMINMAX +#endif +#include <windows.h> + +typedef volatile LONG atomic_int; +typedef atomic_int atomic_bool; +typedef atomic_int atomic_flag; + +#define ATOMIC_FLAG_INIT 0 + +static void atomic_store(atomic_int * ptr, LONG val) { + InterlockedExchange(ptr, val); +} +static LONG atomic_load(atomic_int * ptr) { + return InterlockedCompareExchange(ptr, 0, 0); +} +static LONG atomic_fetch_add(atomic_int * ptr, LONG inc) { + return InterlockedExchangeAdd(ptr, inc); +} +static LONG atomic_fetch_sub(atomic_int * ptr, LONG dec) { + return atomic_fetch_add(ptr, -(dec)); +} +static atomic_bool atomic_flag_test_and_set(atomic_flag * ptr) { + return InterlockedExchange(ptr, 1); +} +static void atomic_flag_clear(atomic_flag * ptr) { + InterlockedExchange(ptr, 0); +} + +typedef HANDLE pthread_t; + +typedef DWORD thread_ret_t; +static int pthread_create(pthread_t * out, void * unused, thread_ret_t(*func)(void *), void * arg) { + (void) unused; + HANDLE handle = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) func, arg, 0, NULL); + if (handle == NULL) + { + return EAGAIN; + } + + *out = handle; + return 0; +} + +static int pthread_join(pthread_t thread, void * unused) { + (void) unused; + int ret = (int) WaitForSingleObject(thread, INFINITE); + CloseHandle(thread); + return ret; +} + +static int sched_yield (void) { + Sleep (0); + return 0; +} +#else +#include <pthread.h> +#include <stdatomic.h> + +typedef void * thread_ret_t; + +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> + +#endif + +typedef pthread_t ggml_thread_t; + +#ifdef GGML_USE_CPU_HBM +#include <hbwmalloc.h> +#endif + +#if defined(__APPLE__) +#include <TargetConditionals.h> +#endif + +#if (defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)) && \ + (!defined(TARGET_OS_TV) && !defined(TARGET_OS_WATCH)) + +#include <sys/wait.h> + +void ggml_print_backtrace(void) { + /* + #include <execinfo.h> + #include <dlfcn.h> + + void * trace[100]; + + int nptrs = backtrace(trace, sizeof(trace)/sizeof(trace[0])); + + backtrace_symbols_fd(trace, nptrs, STDERR_FILENO); + */ + + // backtrack_symbols does not show line numbers, use gdb instead + char attach[32]; + snprintf(attach, sizeof(attach), "attach %d", getpid()); + int pid = fork(); + if (pid == 0) { + execlp("gdb", "gdb", "--batch", + "-ex", "set style enabled on", + "-ex", attach, + "-ex", "bt -frame-info source-and-location", + "-ex", "detach", + "-ex", "quit", + (char *) NULL); + } else { + waitpid(pid, NULL, 0); + } +} +#else +void ggml_print_backtrace(void) { + // platform not supported +} +#endif + +#define GGML_DEBUG 0 +#define GGML_GELU_FP16 +#define GGML_GELU_QUICK_FP16 + +#define GGML_SOFT_MAX_UNROLL 4 +#define GGML_VEC_DOT_UNROLL 2 +#define GGML_VEC_MAD_UNROLL 32 + +// +// logging +// + +#if (GGML_DEBUG >= 1) +#define GGML_PRINT_DEBUG(...) printf(__VA_ARGS__) +#else +#define GGML_PRINT_DEBUG(...) +#endif + +#if (GGML_DEBUG >= 5) +#define GGML_PRINT_DEBUG_5(...) printf(__VA_ARGS__) +#else +#define GGML_PRINT_DEBUG_5(...) +#endif + +#if (GGML_DEBUG >= 10) +#define GGML_PRINT_DEBUG_10(...) printf(__VA_ARGS__) +#else +#define GGML_PRINT_DEBUG_10(...) +#endif + +#define GGML_PRINT(...) printf(__VA_ARGS__) + +// +// end of logging block +// + +#ifdef GGML_USE_ACCELERATE +// uncomment to use vDSP for soft max computation +// note: not sure if it is actually faster +//#define GGML_SOFT_MAX_ACCELERATE +#endif + +#if defined(_MSC_VER) || defined(__MINGW32__) +#define GGML_ALIGNED_MALLOC(size) _aligned_malloc(size, GGML_MEM_ALIGN) +#define GGML_ALIGNED_FREE(ptr) _aligned_free(ptr) +#else +inline static void * ggml_aligned_malloc(size_t size) { + if (size == 0) { + GGML_PRINT("WARNING: Behavior may be unexpected when allocating 0 bytes for ggml_aligned_malloc!\n"); + return NULL; + } + void * aligned_memory = NULL; +#ifdef GGML_USE_CPU_HBM + int result = hbw_posix_memalign(&aligned_memory, 16, size); +#elif GGML_USE_METAL + int result = posix_memalign(&aligned_memory, sysconf(_SC_PAGESIZE), size); +#else + int result = posix_memalign(&aligned_memory, GGML_MEM_ALIGN, size); +#endif + if (result != 0) { + // Handle allocation failure + const char *error_desc = "unknown allocation error"; + switch (result) { + case EINVAL: + error_desc = "invalid alignment value"; + break; + case ENOMEM: + error_desc = "insufficient memory"; + break; + } + GGML_PRINT("%s: %s (attempted to allocate %6.2f MB)\n", __func__, error_desc, size/(1024.0*1024.0)); + GGML_ASSERT(false); + return NULL; + } + return aligned_memory; +} +#define GGML_ALIGNED_MALLOC(size) ggml_aligned_malloc(size) +#ifdef GGML_USE_CPU_HBM +#define GGML_ALIGNED_FREE(ptr) if(NULL != ptr) hbw_free(ptr) +#else +#define GGML_ALIGNED_FREE(ptr) free(ptr) +#endif +#endif + +inline static void * ggml_malloc(size_t size) { + if (size == 0) { + GGML_PRINT("WARNING: Behavior may be unexpected when allocating 0 bytes for ggml_malloc!\n"); + return NULL; + } + void * result = malloc(size); + if (result == NULL) { + GGML_PRINT("%s: failed to allocate %6.2f MB\n", __func__, size/(1024.0*1024.0)); + GGML_ASSERT(false); + } + return result; +} + +// calloc +inline static void * ggml_calloc(size_t num, size_t size) { + if (num == 0 || size == 0) { + GGML_PRINT("WARNING: Behavior may be unexpected when allocating 0 bytes for ggml_calloc!\n"); + return NULL; + } + void * result = calloc(num, size); + if (result == NULL) { + GGML_PRINT("%s: failed to allocate %6.2f MB\n", __func__, size/(1024.0*1024.0)); + GGML_ASSERT(false); + } + return result; +} + +#define GGML_MALLOC(size) ggml_malloc(size) +#define GGML_CALLOC(num, size) ggml_calloc(num, size) + +#define GGML_FREE(ptr) free(ptr) + +#define UNUSED GGML_UNUSED +#define SWAP(x, y, T) do { T SWAP = x; (x) = y; (y) = SWAP; } while (0) + +#if defined(GGML_USE_ACCELERATE) +#include <Accelerate/Accelerate.h> +#endif + +// floating point type used to accumulate sums +typedef double ggml_float; + +#undef MIN +#undef MAX + +#define MIN(a, b) ((a) < (b) ? (a) : (b)) +#define MAX(a, b) ((a) > (b) ? (a) : (b)) + +// +// global data +// + +// precomputed gelu table for f16 (128 KB) +static ggml_fp16_t ggml_table_gelu_f16[1 << 16]; + +// precomputed quick gelu table for f16 (128 KB) +static ggml_fp16_t ggml_table_gelu_quick_f16[1 << 16]; + +// precomputed f32 table for f16 (256 KB) (ggml-impl.h) +float ggml_table_f32_f16[1 << 16]; + +GGML_CALL const char * ggml_status_to_string(enum ggml_status status) { + switch (status) { + case GGML_STATUS_ALLOC_FAILED: return "GGML status: error (failed to allocate memory)"; + case GGML_STATUS_FAILED: return "GGML status: error (operation failed)"; + case GGML_STATUS_SUCCESS: return "GGML status: success"; + case GGML_STATUS_ABORTED: return "GGML status: warning (operation aborted)"; + } + + return "GGML status: unknown"; +} + +float ggml_fp16_to_fp32(ggml_fp16_t x) { +#define ggml_fp16_to_fp32 do_not_use__ggml_fp16_to_fp32__in_ggml + return GGML_FP16_TO_FP32(x); +} + +ggml_fp16_t ggml_fp32_to_fp16(float x) { +#define ggml_fp32_to_fp16 do_not_use__ggml_fp32_to_fp16__in_ggml + return GGML_FP32_TO_FP16(x); +} + +float ggml_bf16_to_fp32(ggml_bf16_t x) { +#define ggml_bf16_to_fp32 do_not_use__ggml_bf16_to_fp32__in_ggml + return GGML_BF16_TO_FP32(x); // it just left shifts +} + +ggml_bf16_t ggml_fp32_to_bf16(float x) { +#define ggml_fp32_to_bf16 do_not_use__ggml_fp32_to_bf16__in_ggml + return GGML_FP32_TO_BF16(x); +} + +void ggml_fp16_to_fp32_row(const ggml_fp16_t * x, float * y, int64_t n) { + for (int64_t i = 0; i < n; i++) { + y[i] = GGML_FP16_TO_FP32(x[i]); + } +} + +void ggml_fp32_to_fp16_row(const float * x, ggml_fp16_t * y, int64_t n) { + int64_t i = 0; +#if defined(__F16C__) + for (; i + 7 < n; i += 8) { + __m256 x_vec = _mm256_loadu_ps(x + i); + __m128i y_vec = _mm256_cvtps_ph(x_vec, _MM_FROUND_TO_NEAREST_INT); + _mm_storeu_si128((__m128i *)(y + i), y_vec); + } + for(; i + 3 < n; i += 4) { + __m128 x_vec = _mm_loadu_ps(x + i); + __m128i y_vec = _mm_cvtps_ph(x_vec, _MM_FROUND_TO_NEAREST_INT); + _mm_storel_epi64((__m128i *)(y + i), y_vec); + } +#endif + for (; i < n; i++) { + y[i] = GGML_FP32_TO_FP16(x[i]); + } +} + +void ggml_bf16_to_fp32_row(const ggml_bf16_t * x, float * y, int64_t n) { + int64_t i = 0; +#if defined(__AVX512F__) + for (; i + 16 <= n; i += 16) { + _mm512_storeu_ps(y + i, + _mm512_castsi512_ps( + _mm512_slli_epi32( + _mm512_cvtepu16_epi32( + _mm256_loadu_si256( + (const __m256i *)(x + i))), + 16))); + } +#elif defined(__AVX2__) + for (; i + 8 <= n; i += 8) { + _mm256_storeu_ps(y + i, + _mm256_castsi256_ps( + _mm256_slli_epi32( + _mm256_cvtepu16_epi32( + _mm_loadu_si128( + (const __m128i *)(x + i))), + 16))); + } +#endif + for (; i < n; i++) { + y[i] = GGML_BF16_TO_FP32(x[i]); + } +} + +void ggml_fp32_to_bf16_row(const float * x, ggml_bf16_t * y, int64_t n) { + int i = 0; +#if defined(__AVX512BF16__) + for (; i + 32 <= n; i += 32) { + _mm512_storeu_si512( + (__m512i *)(y + i), + m512i(_mm512_cvtne2ps_pbh(_mm512_loadu_ps(x + i + 16), + _mm512_loadu_ps(x + i)))); + } +#endif + for (; i < n; i++) { + y[i] = GGML_FP32_TO_BF16(x[i]); + } +} + +bool ggml_guid_matches(ggml_guid_t guid_a, ggml_guid_t guid_b) { + return memcmp(guid_a, guid_b, sizeof(ggml_guid)) == 0; +} + +// +// timing +// + +#if defined(_MSC_VER) || defined(__MINGW32__) +static int64_t timer_freq, timer_start; +void ggml_time_init(void) { + LARGE_INTEGER t; + QueryPerformanceFrequency(&t); + timer_freq = t.QuadPart; + + // The multiplication by 1000 or 1000000 below can cause an overflow if timer_freq + // and the uptime is high enough. + // We subtract the program start time to reduce the likelihood of that happening. + QueryPerformanceCounter(&t); + timer_start = t.QuadPart; +} +int64_t ggml_time_ms(void) { + LARGE_INTEGER t; + QueryPerformanceCounter(&t); + return ((t.QuadPart-timer_start) * 1000) / timer_freq; +} +int64_t ggml_time_us(void) { + LARGE_INTEGER t; + QueryPerformanceCounter(&t); + return ((t.QuadPart-timer_start) * 1000000) / timer_freq; +} +#else +void ggml_time_init(void) {} +int64_t ggml_time_ms(void) { + struct timespec ts; + clock_gettime(CLOCK_MONOTONIC, &ts); + return (int64_t)ts.tv_sec*1000 + (int64_t)ts.tv_nsec/1000000; +} + +int64_t ggml_time_us(void) { + struct timespec ts; + clock_gettime(CLOCK_MONOTONIC, &ts); + return (int64_t)ts.tv_sec*1000000 + (int64_t)ts.tv_nsec/1000; +} +#endif + +int64_t ggml_cycles(void) { + return clock(); +} + +int64_t ggml_cycles_per_ms(void) { + return CLOCKS_PER_SEC/1000; +} + +// +// cross-platform UTF-8 file paths +// + +#ifdef _WIN32 +static wchar_t * ggml_mbstowcs(const char * mbs) { + int wlen = MultiByteToWideChar(CP_UTF8, 0, mbs, -1, NULL, 0); + if (!wlen) { + errno = EINVAL; + return NULL; + } + + wchar_t * wbuf = GGML_MALLOC(wlen * sizeof(wchar_t)); + wlen = MultiByteToWideChar(CP_UTF8, 0, mbs, -1, wbuf, wlen); + if (!wlen) { + GGML_FREE(wbuf); + errno = EINVAL; + return NULL; + } + + return wbuf; +} +#endif + +FILE * ggml_fopen(const char * fname, const char * mode) { +#ifdef _WIN32 + FILE * file = NULL; + + // convert fname (UTF-8) + wchar_t * wfname = ggml_mbstowcs(fname); + if (wfname) { + // convert mode (ANSI) + wchar_t * wmode = GGML_MALLOC((strlen(mode) + 1) * sizeof(wchar_t)); + wchar_t * wmode_p = wmode; + do { + *wmode_p++ = (wchar_t)*mode; + } while (*mode++); + + // open file + file = _wfopen(wfname, wmode); + + GGML_FREE(wfname); + GGML_FREE(wmode); + } + + return file; +#else + return fopen(fname, mode); +#endif +} + +// +// cache line +// + +#if defined(__cpp_lib_hardware_interference_size) +#define CACHE_LINE_SIZE hardware_destructive_interference_size +#else +#if defined(__POWER9_VECTOR__) +#define CACHE_LINE_SIZE 128 +#else +#define CACHE_LINE_SIZE 64 +#endif +#endif + +static const size_t CACHE_LINE_SIZE_F32 = CACHE_LINE_SIZE/sizeof(float); + +static void ggml_vec_dot_f32(int n, float * restrict s, size_t bs, const float * restrict x, size_t bx, const float * restrict y, size_t by, int nrc); +static void ggml_vec_dot_f16(int n, float * restrict s, size_t bs, ggml_fp16_t * restrict x, size_t bx, ggml_fp16_t * restrict y, size_t by, int nrc); +static void ggml_vec_dot_bf16(int n, float * restrict s, size_t bs, ggml_bf16_t * restrict x, size_t bx, ggml_bf16_t * restrict y, size_t by, int nrc); + +static const ggml_type_traits_t type_traits[GGML_TYPE_COUNT] = { + [GGML_TYPE_I8] = { + .type_name = "i8", + .blck_size = 1, + .type_size = sizeof(int8_t), + .is_quantized = false, + }, + [GGML_TYPE_I16] = { + .type_name = "i16", + .blck_size = 1, + .type_size = sizeof(int16_t), + .is_quantized = false, + }, + [GGML_TYPE_I32] = { + .type_name = "i32", + .blck_size = 1, + .type_size = sizeof(int32_t), + .is_quantized = false, + }, + [GGML_TYPE_I64] = { + .type_name = "i64", + .blck_size = 1, + .type_size = sizeof(int64_t), + .is_quantized = false, + }, + [GGML_TYPE_F64] = { + .type_name = "f64", + .blck_size = 1, + .type_size = sizeof(double), + .is_quantized = false, + .nrows = 1, + }, + [GGML_TYPE_F32] = { + .type_name = "f32", + .blck_size = 1, + .type_size = sizeof(float), + .is_quantized = false, + .vec_dot = (ggml_vec_dot_t) ggml_vec_dot_f32, + .vec_dot_type = GGML_TYPE_F32, + .nrows = 1, + }, + [GGML_TYPE_F16] = { + .type_name = "f16", + .blck_size = 1, + .type_size = sizeof(ggml_fp16_t), + .is_quantized = false, + .to_float = (ggml_to_float_t) ggml_fp16_to_fp32_row, + .from_float = (ggml_from_float_t) ggml_fp32_to_fp16_row, + .from_float_ref = (ggml_from_float_t) ggml_fp32_to_fp16_row, + .vec_dot = (ggml_vec_dot_t) ggml_vec_dot_f16, + .vec_dot_type = GGML_TYPE_F16, + .nrows = 1, + }, + [GGML_TYPE_Q4_0] = { + .type_name = "q4_0", + .blck_size = QK4_0, + .type_size = sizeof(block_q4_0), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_q4_0, + .from_float = quantize_row_q4_0, + .from_float_ref = (ggml_from_float_t) quantize_row_q4_0_ref, + .vec_dot = ggml_vec_dot_q4_0_q8_0, + .vec_dot_type = GGML_TYPE_Q8_0, +#if defined (__ARM_FEATURE_MATMUL_INT8) + .nrows = 2, +#else + .nrows = 1, +#endif + }, + [GGML_TYPE_Q4_1] = { + .type_name = "q4_1", + .blck_size = QK4_1, + .type_size = sizeof(block_q4_1), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_q4_1, + .from_float = quantize_row_q4_1, + .from_float_ref = (ggml_from_float_t) quantize_row_q4_1_ref, + .vec_dot = ggml_vec_dot_q4_1_q8_1, + .vec_dot_type = GGML_TYPE_Q8_1, +#if defined (__ARM_FEATURE_MATMUL_INT8) + .nrows = 2, +#else + .nrows = 1, +#endif + }, + [4] = { // GGML_TYPE_Q4_2 + .type_name = "DEPRECATED", + .blck_size = 0, + .type_size = 0, + .is_quantized = false, + .to_float = NULL, + .from_float = NULL, + .from_float_ref = NULL, + .vec_dot = NULL, + .vec_dot_type = GGML_TYPE_COUNT, + .nrows = 1, + }, + [5] = { // GGML_TYPE_Q4_3 + .type_name = "DEPRECATED", + .blck_size = 0, + .type_size = 0, + .is_quantized = false, + .to_float = NULL, + .from_float = NULL, + .from_float_ref = NULL, + .vec_dot = NULL, + .vec_dot_type = GGML_TYPE_COUNT, + .nrows = 1, + }, + [GGML_TYPE_Q5_0] = { + .type_name = "q5_0", + .blck_size = QK5_0, + .type_size = sizeof(block_q5_0), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_q5_0, + .from_float = quantize_row_q5_0, + .from_float_ref = (ggml_from_float_t) quantize_row_q5_0_ref, + .vec_dot = ggml_vec_dot_q5_0_q8_0, + .vec_dot_type = GGML_TYPE_Q8_0, + .nrows = 1, + }, + [GGML_TYPE_Q5_1] = { + .type_name = "q5_1", + .blck_size = QK5_1, + .type_size = sizeof(block_q5_1), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_q5_1, + .from_float = quantize_row_q5_1, + .from_float_ref = (ggml_from_float_t) quantize_row_q5_1_ref, + .vec_dot = ggml_vec_dot_q5_1_q8_1, + .vec_dot_type = GGML_TYPE_Q8_1, + .nrows = 1, + }, + [GGML_TYPE_Q8_0] = { + .type_name = "q8_0", + .blck_size = QK8_0, + .type_size = sizeof(block_q8_0), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_q8_0, + .from_float = quantize_row_q8_0, + .from_float_ref = (ggml_from_float_t) quantize_row_q8_0_ref, + .from_float_to_mat = quantize_mat_q8_0, + .vec_dot = ggml_vec_dot_q8_0_q8_0, + .vec_dot_type = GGML_TYPE_Q8_0, +#if defined (__ARM_FEATURE_MATMUL_INT8) + .nrows = 2, +#else + .nrows = 1, +#endif + }, + [GGML_TYPE_Q8_1] = { + .type_name = "q8_1", + .blck_size = QK8_1, + .type_size = sizeof(block_q8_1), + .is_quantized = true, + .from_float = quantize_row_q8_1, + .from_float_ref = (ggml_from_float_t) quantize_row_q8_1_ref, + .vec_dot_type = GGML_TYPE_Q8_1, + .nrows = 1, + }, + [GGML_TYPE_Q2_K] = { + .type_name = "q2_K", + .blck_size = QK_K, + .type_size = sizeof(block_q2_K), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_q2_K, + .from_float = quantize_row_q2_K, + .from_float_ref = (ggml_from_float_t) quantize_row_q2_K_ref, + .vec_dot = ggml_vec_dot_q2_K_q8_K, + .vec_dot_type = GGML_TYPE_Q8_K, + .nrows = 1, + }, + [GGML_TYPE_Q3_K] = { + .type_name = "q3_K", + .blck_size = QK_K, + .type_size = sizeof(block_q3_K), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_q3_K, + .from_float = quantize_row_q3_K, + .from_float_ref = (ggml_from_float_t) quantize_row_q3_K_ref, + .vec_dot = ggml_vec_dot_q3_K_q8_K, + .vec_dot_type = GGML_TYPE_Q8_K, + .nrows = 1, + }, + [GGML_TYPE_Q4_K] = { + .type_name = "q4_K", + .blck_size = QK_K, + .type_size = sizeof(block_q4_K), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_q4_K, + .from_float = quantize_row_q4_K, + .from_float_ref = (ggml_from_float_t) quantize_row_q4_K_ref, + .vec_dot = ggml_vec_dot_q4_K_q8_K, + .vec_dot_type = GGML_TYPE_Q8_K, + .nrows = 1, + }, + [GGML_TYPE_Q5_K] = { + .type_name = "q5_K", + .blck_size = QK_K, + .type_size = sizeof(block_q5_K), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_q5_K, + .from_float = quantize_row_q5_K, + .from_float_ref = (ggml_from_float_t) quantize_row_q5_K_ref, + .vec_dot = ggml_vec_dot_q5_K_q8_K, + .vec_dot_type = GGML_TYPE_Q8_K, + .nrows = 1, + }, + [GGML_TYPE_Q6_K] = { + .type_name = "q6_K", + .blck_size = QK_K, + .type_size = sizeof(block_q6_K), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_q6_K, + .from_float = quantize_row_q6_K, + .from_float_ref = (ggml_from_float_t) quantize_row_q6_K_ref, + .vec_dot = ggml_vec_dot_q6_K_q8_K, + .vec_dot_type = GGML_TYPE_Q8_K, + .nrows = 1, + }, + [GGML_TYPE_IQ2_XXS] = { + .type_name = "iq2_xxs", + .blck_size = QK_K, + .type_size = sizeof(block_iq2_xxs), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_iq2_xxs, + .from_float = NULL, + .from_float_ref = NULL, + .vec_dot = ggml_vec_dot_iq2_xxs_q8_K, + .vec_dot_type = GGML_TYPE_Q8_K, + .nrows = 1, + }, + [GGML_TYPE_IQ2_XS] = { + .type_name = "iq2_xs", + .blck_size = QK_K, + .type_size = sizeof(block_iq2_xs), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_iq2_xs, + .from_float = NULL, + .from_float_ref = NULL, + .vec_dot = ggml_vec_dot_iq2_xs_q8_K, + .vec_dot_type = GGML_TYPE_Q8_K, + .nrows = 1, + }, + [GGML_TYPE_IQ3_XXS] = { + .type_name = "iq3_xxs", + .blck_size = QK_K, + .type_size = sizeof(block_iq3_xxs), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_iq3_xxs, + .from_float = quantize_row_iq3_xxs, + .from_float_ref = (ggml_from_float_t)quantize_row_iq3_xxs_ref, + .vec_dot = ggml_vec_dot_iq3_xxs_q8_K, + .vec_dot_type = GGML_TYPE_Q8_K, + .nrows = 1, + }, + [GGML_TYPE_IQ3_S] = { + .type_name = "iq3_s", + .blck_size = QK_K, + .type_size = sizeof(block_iq3_s), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_iq3_s, + .from_float = quantize_row_iq3_s, + .from_float_ref = (ggml_from_float_t)quantize_row_iq3_s_ref, + .vec_dot = ggml_vec_dot_iq3_s_q8_K, + .vec_dot_type = GGML_TYPE_Q8_K, + .nrows = 1, + }, + [GGML_TYPE_IQ2_S] = { + .type_name = "iq2_s", + .blck_size = QK_K, + .type_size = sizeof(block_iq2_s), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_iq2_s, + .from_float = quantize_row_iq2_s, + .from_float_ref = (ggml_from_float_t)quantize_row_iq2_s_ref, + .vec_dot = ggml_vec_dot_iq2_s_q8_K, + .vec_dot_type = GGML_TYPE_Q8_K, + .nrows = 1, + }, + [GGML_TYPE_IQ1_S] = { + .type_name = "iq1_s", + .blck_size = QK_K, + .type_size = sizeof(block_iq1_s), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_iq1_s, + .from_float = NULL, + .from_float_ref = NULL, + .vec_dot = ggml_vec_dot_iq1_s_q8_K, + .vec_dot_type = GGML_TYPE_Q8_K, + .nrows = 1, + }, + [GGML_TYPE_IQ1_M] = { + .type_name = "iq1_m", + .blck_size = QK_K, + .type_size = sizeof(block_iq1_m), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_iq1_m, + .from_float = NULL, + .from_float_ref = NULL, + .vec_dot = ggml_vec_dot_iq1_m_q8_K, + .vec_dot_type = GGML_TYPE_Q8_K, + .nrows = 1, + }, + [GGML_TYPE_IQ1_BN] = { + .type_name = "iq1_bn", + .blck_size = QK_IQ1BN, + .type_size = sizeof(block_iq1_bn), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_iq1_bn, + .from_float = quantize_row_iq1_bn, + .from_float_ref = (ggml_from_float_t)quantize_row_iq1_bn_ref, + .vec_dot = ggml_vec_dot_iq1_bn_q8_K64, + .vec_dot_type = GGML_TYPE_Q8_K64, + .nrows = 1, + }, + [GGML_TYPE_IQ2_BN] = { + .type_name = "iq2_bn", + .blck_size = QK_IQ1BN, + .type_size = sizeof(block_iq2_bn), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_iq2_bn, + .from_float = quantize_row_iq2_bn, + .from_float_ref = (ggml_from_float_t)quantize_row_iq2_bn_ref, + .vec_dot = ggml_vec_dot_iq2_bn_q8_K64, + .vec_dot_type = GGML_TYPE_Q8_K64, + .nrows = 1, + }, + [GGML_TYPE_IQ4_NL] = { + .type_name = "iq4_nl", + .blck_size = QK4_NL, + .type_size = sizeof(block_iq4_nl), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_iq4_nl, + .from_float = quantize_row_iq4_nl, + .from_float_ref = (ggml_from_float_t)quantize_row_iq4_nl_ref, + .vec_dot = ggml_vec_dot_iq4_nl_q8_0, + .vec_dot_type = GGML_TYPE_Q8_0, + .nrows = 1, + }, + [GGML_TYPE_IQ4_XS] = { + .type_name = "iq4_xs", + .blck_size = QK_K, + .type_size = sizeof(block_iq4_xs), + .is_quantized = true, + .to_float = (ggml_to_float_t) dequantize_row_iq4_xs, + .from_float = quantize_row_iq4_xs, + .from_float_ref = (ggml_from_float_t)quantize_row_iq4_xs_ref, + .vec_dot = ggml_vec_dot_iq4_xs_q8_K, + .vec_dot_type = GGML_TYPE_Q8_K, + .nrows = 1, + }, + [GGML_TYPE_Q8_K] = { + .type_name = "q8_K", + .blck_size = QK_K, + .type_size = sizeof(block_q8_K), + .is_quantized = true, + .from_float = quantize_row_q8_K, + }, + [GGML_TYPE_Q8_K64] = { + .type_name = "q8_K64", + .blck_size = 64, + .type_size = sizeof(block_q8_K64), + .is_quantized = true, + .from_float = quantize_row_q8_K64, + }, + [GGML_TYPE_BF16] = { + .type_name = "bf16", + .blck_size = 1, + .type_size = sizeof(ggml_bf16_t), + .is_quantized = false, + .to_float = (ggml_to_float_t) ggml_bf16_to_fp32_row, + .from_float = (ggml_from_float_t) ggml_fp32_to_bf16_row, + .from_float_ref = (ggml_from_float_t) ggml_fp32_to_bf16_row, + .vec_dot = (ggml_vec_dot_t) ggml_vec_dot_bf16, + .vec_dot_type = GGML_TYPE_BF16, + .nrows = 1, + }, + [GGML_TYPE_Q4_0_4_4] = { + .type_name = "q4_0_4x4", + .blck_size = QK4_0, + .blck_size_interleave = 4, + .type_size = sizeof(block_q4_0), + .is_quantized = true, + .to_float = NULL, + .from_float = NULL, + .from_float_ref = NULL, + .vec_dot = NULL, + .vec_dot_type = GGML_TYPE_Q8_0, + .nrows = 1, + .ncols = 4, + .gemv = ggml_gemv_q4_0_4x4_q8_0, + .gemm = ggml_gemm_q4_0_4x4_q8_0, + }, + [GGML_TYPE_Q4_0_4_8] = { + .type_name = "q4_0_4x8", + .blck_size = QK4_0, + .blck_size_interleave = 8, + .type_size = sizeof(block_q4_0), + .is_quantized = true, + .to_float = NULL, + .from_float = NULL, + .from_float_ref = NULL, + .vec_dot = NULL, + .vec_dot_type = GGML_TYPE_Q8_0, + .nrows = 1, + .ncols = 4, + .gemv = ggml_gemv_q4_0_4x8_q8_0, + .gemm = ggml_gemm_q4_0_4x8_q8_0, + }, + [GGML_TYPE_Q4_0_8_8] = { + .type_name = "q4_0_8x8", + .blck_size = QK4_0, + .blck_size_interleave = 8, + .type_size = sizeof(block_q4_0), + .is_quantized = true, + .to_float = NULL, + .from_float = NULL, + .from_float_ref = NULL, + .vec_dot = NULL, + .vec_dot_type = GGML_TYPE_Q8_0, + .nrows = 1, + .ncols = 8, + .gemv = ggml_gemv_q4_0_8x8_q8_0, + .gemm = ggml_gemm_q4_0_8x8_q8_0, + } +}; + +// For internal test use +ggml_type_traits_t ggml_internal_get_type_traits(enum ggml_type type) { + GGML_ASSERT(type < GGML_TYPE_COUNT); + return type_traits[type]; +} + +// +// simd mappings +// + +// we define a common set of C macros which map to specific intrinsics based on the current architecture +// we then implement the fundamental computation operations below using only these macros +// adding support for new architectures requires to define the corresponding SIMD macros +// +// GGML_F32_STEP / GGML_F16_STEP +// number of elements to process in a single step +// +// GGML_F32_EPR / GGML_F16_EPR +// number of elements to fit in a single register +// + +#if defined(__ARM_NEON) && defined(__ARM_FEATURE_FMA) + +#define GGML_SIMD + +// F32 NEON + +#define GGML_F32_STEP 16 +#define GGML_F32_EPR 4 + +#define GGML_F32x4 float32x4_t +#define GGML_F32x4_ZERO vdupq_n_f32(0.0f) +#define GGML_F32x4_SET1(x) vdupq_n_f32(x) +#define GGML_F32x4_LOAD vld1q_f32 +#define GGML_F32x4_STORE vst1q_f32 +#define GGML_F32x4_FMA(a, b, c) vfmaq_f32(a, b, c) +#define GGML_F32x4_ADD vaddq_f32 +#define GGML_F32x4_MUL vmulq_f32 +#define GGML_F32x4_REDUCE_ONE(x) vaddvq_f32(x) +#define GGML_F32x4_REDUCE(res, x) \ +{ \ + int offset = GGML_F32_ARR >> 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = vaddq_f32(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = vaddq_f32(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = vaddq_f32(x[i], x[offset+i]); \ + } \ + res = GGML_F32x4_REDUCE_ONE(x[0]); \ +} + +#define GGML_F32_VEC GGML_F32x4 +#define GGML_F32_VEC_ZERO GGML_F32x4_ZERO +#define GGML_F32_VEC_SET1 GGML_F32x4_SET1 +#define GGML_F32_VEC_LOAD GGML_F32x4_LOAD +#define GGML_F32_VEC_STORE GGML_F32x4_STORE +#define GGML_F32_VEC_FMA GGML_F32x4_FMA +#define GGML_F32_VEC_ADD GGML_F32x4_ADD +#define GGML_F32_VEC_MUL GGML_F32x4_MUL +#define GGML_F32_VEC_REDUCE GGML_F32x4_REDUCE + +// F16 NEON + +#if defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) + #define GGML_F16_STEP 32 + #define GGML_F16_EPR 8 + + #define GGML_F16x8 float16x8_t + #define GGML_F16x8_ZERO vdupq_n_f16(0.0f) + #define GGML_F16x8_SET1(x) vdupq_n_f16(x) + #define GGML_F16x8_LOAD(x) vld1q_f16((const ggml_fp16_internal_t *)(x)) + #define GGML_F16x8_STORE vst1q_f16 + #define GGML_F16x8_FMA(a, b, c) vfmaq_f16(a, b, c) + #define GGML_F16x8_ADD vaddq_f16 + #define GGML_F16x8_MUL vmulq_f16 + #define GGML_F16x8_REDUCE(res, x) \ + do { \ + int offset = GGML_F16_ARR >> 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = vaddq_f16(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = vaddq_f16(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = vaddq_f16(x[i], x[offset+i]); \ + } \ + const float32x4_t t0 = vcvt_f32_f16(vget_low_f16 (x[0])); \ + const float32x4_t t1 = vcvt_f32_f16(vget_high_f16(x[0])); \ + res = (ggml_float) vaddvq_f32(vaddq_f32(t0, t1)); \ + } while (0) + + #define GGML_F16_VEC GGML_F16x8 + #define GGML_F16_VEC_ZERO GGML_F16x8_ZERO + #define GGML_F16_VEC_SET1 GGML_F16x8_SET1 + #define GGML_F16_VEC_LOAD(p, i) GGML_F16x8_LOAD(p) + #define GGML_F16_VEC_STORE(p, r, i) GGML_F16x8_STORE((ggml_fp16_internal_t *)(p), r[i]) + #define GGML_F16_VEC_FMA GGML_F16x8_FMA + #define GGML_F16_VEC_ADD GGML_F16x8_ADD + #define GGML_F16_VEC_MUL GGML_F16x8_MUL + #define GGML_F16_VEC_REDUCE GGML_F16x8_REDUCE +#else + // if FP16 vector arithmetic is not supported, we use FP32 instead + // and take advantage of the vcvt_ functions to convert to/from FP16 + + #define GGML_F16_STEP 16 + #define GGML_F16_EPR 4 + + #define GGML_F32Cx4 float32x4_t + #define GGML_F32Cx4_ZERO vdupq_n_f32(0.0f) + #define GGML_F32Cx4_SET1(x) vdupq_n_f32(x) + #define GGML_F32Cx4_LOAD(x) vcvt_f32_f16(vld1_f16((const ggml_fp16_internal_t *)(x))) + #define GGML_F32Cx4_STORE(x, y) vst1_f16(x, vcvt_f16_f32(y)) + #define GGML_F32Cx4_FMA(a, b, c) vfmaq_f32(a, b, c) + #define GGML_F32Cx4_ADD vaddq_f32 + #define GGML_F32Cx4_MUL vmulq_f32 + #define GGML_F32Cx4_REDUCE GGML_F32x4_REDUCE + + #define GGML_F16_VEC GGML_F32Cx4 + #define GGML_F16_VEC_ZERO GGML_F32Cx4_ZERO + #define GGML_F16_VEC_SET1 GGML_F32Cx4_SET1 + #define GGML_F16_VEC_LOAD(p, i) GGML_F32Cx4_LOAD(p) + #define GGML_F16_VEC_STORE(p, r, i) GGML_F32Cx4_STORE((ggml_fp16_internal_t *)(p), r[i]) + #define GGML_F16_VEC_FMA GGML_F32Cx4_FMA + #define GGML_F16_VEC_ADD GGML_F32Cx4_ADD + #define GGML_F16_VEC_MUL GGML_F32Cx4_MUL + #define GGML_F16_VEC_REDUCE GGML_F32Cx4_REDUCE +#endif + +#elif defined(__AVX512F__) + +#define GGML_SIMD + +// F32 AVX512 + +#define GGML_F32_STEP 64 +#define GGML_F32_EPR 16 + +#define GGML_F32x16 __m512 +#define GGML_F32x16_ZERO _mm512_setzero_ps() +#define GGML_F32x16_SET1(x) _mm512_set1_ps(x) +#define GGML_F32x16_LOAD _mm512_loadu_ps +#define GGML_F32x16_STORE _mm512_storeu_ps +// _mm512_fmadd_ps is defined in AVX512F so no guard is required +#define GGML_F32x16_FMA(a, b, c) _mm512_fmadd_ps(b, c, a) +#define GGML_F32x16_ADD _mm512_add_ps +#define GGML_F32x16_MUL _mm512_mul_ps +#define GGML_F32x16_REDUCE(res, x) \ +do { \ + int offset = GGML_F32_ARR >> 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = _mm512_add_ps(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = _mm512_add_ps(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = _mm512_add_ps(x[i], x[offset+i]); \ + } \ + res = _mm512_reduce_add_ps(x[0]); \ +} while (0) + +// TODO: is this optimal ? + +#define GGML_F32_VEC GGML_F32x16 +#define GGML_F32_VEC_ZERO GGML_F32x16_ZERO +#define GGML_F32_VEC_SET1 GGML_F32x16_SET1 +#define GGML_F32_VEC_LOAD GGML_F32x16_LOAD +#define GGML_F32_VEC_STORE GGML_F32x16_STORE +#define GGML_F32_VEC_FMA GGML_F32x16_FMA +#define GGML_F32_VEC_ADD GGML_F32x16_ADD +#define GGML_F32_VEC_MUL GGML_F32x16_MUL +#define GGML_F32_VEC_REDUCE GGML_F32x16_REDUCE + +// F16 AVX512 + +// F16 AVX + +#define GGML_F16_STEP 64 +#define GGML_F16_EPR 16 + +// AVX512 has FP16 extension (AVX512_FP16) but I don't have it on my machine so I use FP32 instead + +#define GGML_F32Cx16 __m512 +#define GGML_F32Cx16_ZERO _mm512_setzero_ps() +#define GGML_F32Cx16_SET1(x) _mm512_set1_ps(x) + +// unlike _mm256_cvt intrinsics that require F16C, _mm512_cvt is defined in AVX512F +// so F16C guard isn't required +#define GGML_F32Cx16_LOAD(x) _mm512_cvtph_ps(_mm256_loadu_si256((const __m256i *)(x))) +#define GGML_F32Cx16_STORE(x, y) _mm256_storeu_si256((__m256i *)(x), _mm512_cvtps_ph(y, 0)) + +#define GGML_F32Cx16_FMA(a, b, c) _mm512_fmadd_ps(b, c, a) +#define GGML_F32Cx16_ADD _mm512_add_ps +#define GGML_F32Cx16_MUL _mm512_mul_ps +#define GGML_F32Cx16_REDUCE(res, x) \ +do { \ + int offset = GGML_F32_ARR >> 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = _mm512_add_ps(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = _mm512_add_ps(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = _mm512_add_ps(x[i], x[offset+i]); \ + } \ + res = _mm512_reduce_add_ps(x[0]); \ +} while (0) + +#define GGML_F16_VEC GGML_F32Cx16 +#define GGML_F16_VEC_ZERO GGML_F32Cx16_ZERO +#define GGML_F16_VEC_SET1 GGML_F32Cx16_SET1 +#define GGML_F16_VEC_LOAD(p, i) GGML_F32Cx16_LOAD(p) +#define GGML_F16_VEC_STORE(p, r, i) GGML_F32Cx16_STORE(p, r[i]) +#define GGML_F16_VEC_FMA GGML_F32Cx16_FMA +#define GGML_F16_VEC_ADD GGML_F32Cx16_ADD +#define GGML_F16_VEC_MUL GGML_F32Cx16_MUL +#define GGML_F16_VEC_REDUCE GGML_F32Cx16_REDUCE + +#elif defined(__AVX__) + +#define GGML_SIMD + +// F32 AVX + +#define GGML_F32_STEP 32 +#define GGML_F32_EPR 8 + +#define GGML_F32x8 __m256 +#define GGML_F32x8_ZERO _mm256_setzero_ps() +#define GGML_F32x8_SET1(x) _mm256_set1_ps(x) +#define GGML_F32x8_LOAD _mm256_loadu_ps +#define GGML_F32x8_STORE _mm256_storeu_ps +#if defined(__FMA__) + #define GGML_F32x8_FMA(a, b, c) _mm256_fmadd_ps(b, c, a) +#else + #define GGML_F32x8_FMA(a, b, c) _mm256_add_ps(_mm256_mul_ps(b, c), a) +#endif +#define GGML_F32x8_ADD _mm256_add_ps +#define GGML_F32x8_MUL _mm256_mul_ps +#define GGML_F32x8_REDUCE(res, x) \ +do { \ + int offset = GGML_F32_ARR >> 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = _mm256_add_ps(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = _mm256_add_ps(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = _mm256_add_ps(x[i], x[offset+i]); \ + } \ + const __m128 t0 = _mm_add_ps(_mm256_castps256_ps128(x[0]), \ + _mm256_extractf128_ps(x[0], 1)); \ + const __m128 t1 = _mm_hadd_ps(t0, t0); \ + res = (ggml_float) _mm_cvtss_f32(_mm_hadd_ps(t1, t1)); \ +} while (0) +// TODO: is this optimal ? + +#define GGML_F32_VEC GGML_F32x8 +#define GGML_F32_VEC_ZERO GGML_F32x8_ZERO +#define GGML_F32_VEC_SET1 GGML_F32x8_SET1 +#define GGML_F32_VEC_LOAD GGML_F32x8_LOAD +#define GGML_F32_VEC_STORE GGML_F32x8_STORE +#define GGML_F32_VEC_FMA GGML_F32x8_FMA +#define GGML_F32_VEC_ADD GGML_F32x8_ADD +#define GGML_F32_VEC_MUL GGML_F32x8_MUL +#define GGML_F32_VEC_REDUCE GGML_F32x8_REDUCE + +// F16 AVX + +#define GGML_F16_STEP 32 +#define GGML_F16_EPR 8 + +// F16 arithmetic is not supported by AVX, so we use F32 instead + +#define GGML_F32Cx8 __m256 +#define GGML_F32Cx8_ZERO _mm256_setzero_ps() +#define GGML_F32Cx8_SET1(x) _mm256_set1_ps(x) + +#if defined(__F16C__) +// the _mm256_cvt intrinsics require F16C +#define GGML_F32Cx8_LOAD(x) _mm256_cvtph_ps(_mm_loadu_si128((const __m128i *)(x))) +#define GGML_F32Cx8_STORE(x, y) _mm_storeu_si128((__m128i *)(x), _mm256_cvtps_ph(y, 0)) +#else +static inline __m256 __avx_f32cx8_load(ggml_fp16_t *x) { + float tmp[8]; + + for (int i = 0; i < 8; i++) { + tmp[i] = GGML_FP16_TO_FP32(x[i]); + } + + return _mm256_loadu_ps(tmp); +} +static inline void __avx_f32cx8_store(ggml_fp16_t *x, __m256 y) { + float arr[8]; + + _mm256_storeu_ps(arr, y); + + for (int i = 0; i < 8; i++) + x[i] = GGML_FP32_TO_FP16(arr[i]); +} +#define GGML_F32Cx8_LOAD(x) __avx_f32cx8_load(x) +#define GGML_F32Cx8_STORE(x, y) __avx_f32cx8_store(x, y) +#endif + +#define GGML_F32Cx8_FMA GGML_F32x8_FMA +#define GGML_F32Cx8_ADD _mm256_add_ps +#define GGML_F32Cx8_MUL _mm256_mul_ps +#define GGML_F32Cx8_REDUCE GGML_F32x8_REDUCE + +#define GGML_F16_VEC GGML_F32Cx8 +#define GGML_F16_VEC_ZERO GGML_F32Cx8_ZERO +#define GGML_F16_VEC_SET1 GGML_F32Cx8_SET1 +#define GGML_F16_VEC_LOAD(p, i) GGML_F32Cx8_LOAD(p) +#define GGML_F16_VEC_STORE(p, r, i) GGML_F32Cx8_STORE(p, r[i]) +#define GGML_F16_VEC_FMA GGML_F32Cx8_FMA +#define GGML_F16_VEC_ADD GGML_F32Cx8_ADD +#define GGML_F16_VEC_MUL GGML_F32Cx8_MUL +#define GGML_F16_VEC_REDUCE GGML_F32Cx8_REDUCE + +#elif defined(__POWER9_VECTOR__) + +#define GGML_SIMD + +// F32 POWER9 + +#define GGML_F32_STEP 32 +#define GGML_F32_EPR 4 + +#define GGML_F32x4 vector float +#define GGML_F32x4_ZERO 0.0f +#define GGML_F32x4_SET1 vec_splats +#define GGML_F32x4_LOAD(p) vec_xl(0, p) +#define GGML_F32x4_STORE(p, r) vec_xst(r, 0, p) +#define GGML_F32x4_FMA(a, b, c) vec_madd(b, c, a) +#define GGML_F32x4_ADD vec_add +#define GGML_F32x4_MUL vec_mul +#define GGML_F32x4_REDUCE(res, x) \ +{ \ + int offset = GGML_F32_ARR >> 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = vec_add(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = vec_add(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = vec_add(x[i], x[offset+i]); \ + } \ + res = vec_extract(x[0], 0) + \ + vec_extract(x[0], 1) + \ + vec_extract(x[0], 2) + \ + vec_extract(x[0], 3); \ +} + +#define GGML_F32_VEC GGML_F32x4 +#define GGML_F32_VEC_ZERO GGML_F32x4_ZERO +#define GGML_F32_VEC_SET1 GGML_F32x4_SET1 +#define GGML_F32_VEC_LOAD GGML_F32x4_LOAD +#define GGML_F32_VEC_STORE GGML_F32x4_STORE +#define GGML_F32_VEC_FMA GGML_F32x4_FMA +#define GGML_F32_VEC_ADD GGML_F32x4_ADD +#define GGML_F32_VEC_MUL GGML_F32x4_MUL +#define GGML_F32_VEC_REDUCE GGML_F32x4_REDUCE + +// F16 POWER9 +#define GGML_F16_STEP GGML_F32_STEP +#define GGML_F16_EPR GGML_F32_EPR +#define GGML_F16_VEC GGML_F32x4 +#define GGML_F16_VEC_ZERO GGML_F32x4_ZERO +#define GGML_F16_VEC_SET1 GGML_F32x4_SET1 +#define GGML_F16_VEC_FMA GGML_F32x4_FMA +#define GGML_F16_VEC_ADD GGML_F32x4_ADD +#define GGML_F16_VEC_MUL GGML_F32x4_MUL +#define GGML_F16_VEC_REDUCE GGML_F32x4_REDUCE +// Use vec_xl, not vec_ld, in case the load address is not aligned. +#define GGML_F16_VEC_LOAD(p, i) (i & 0x1) ? \ + vec_extract_fp32_from_shorth(vec_xl(0, p - GGML_F16_EPR)) : \ + vec_extract_fp32_from_shortl(vec_xl(0, p)) +#define GGML_ENDIAN_BYTE(i) ((unsigned char *)&(uint16_t){1})[i] +#define GGML_F16_VEC_STORE(p, r, i) \ + if (i & 0x1) \ + vec_xst(vec_pack_to_short_fp32(r[i - GGML_ENDIAN_BYTE(1)], \ + r[i - GGML_ENDIAN_BYTE(0)]), \ + 0, p - GGML_F16_EPR) + +#elif defined(__wasm_simd128__) + +#define GGML_SIMD + +// F32 WASM + +#define GGML_F32_STEP 16 +#define GGML_F32_EPR 4 + +#define GGML_F32x4 v128_t +#define GGML_F32x4_ZERO wasm_f32x4_splat(0.0f) +#define GGML_F32x4_SET1(x) wasm_f32x4_splat(x) +#define GGML_F32x4_LOAD wasm_v128_load +#define GGML_F32x4_STORE wasm_v128_store +#define GGML_F32x4_FMA(a, b, c) wasm_f32x4_add(wasm_f32x4_mul(b, c), a) +#define GGML_F32x4_ADD wasm_f32x4_add +#define GGML_F32x4_MUL wasm_f32x4_mul +#define GGML_F32x4_REDUCE(res, x) \ +{ \ + int offset = GGML_F32_ARR >> 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = wasm_f32x4_add(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = wasm_f32x4_add(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = wasm_f32x4_add(x[i], x[offset+i]); \ + } \ + res = wasm_f32x4_extract_lane(x[0], 0) + \ + wasm_f32x4_extract_lane(x[0], 1) + \ + wasm_f32x4_extract_lane(x[0], 2) + \ + wasm_f32x4_extract_lane(x[0], 3); \ +} + +#define GGML_F32_VEC GGML_F32x4 +#define GGML_F32_VEC_ZERO GGML_F32x4_ZERO +#define GGML_F32_VEC_SET1 GGML_F32x4_SET1 +#define GGML_F32_VEC_LOAD GGML_F32x4_LOAD +#define GGML_F32_VEC_STORE GGML_F32x4_STORE +#define GGML_F32_VEC_FMA GGML_F32x4_FMA +#define GGML_F32_VEC_ADD GGML_F32x4_ADD +#define GGML_F32_VEC_MUL GGML_F32x4_MUL +#define GGML_F32_VEC_REDUCE GGML_F32x4_REDUCE + +// F16 WASM + +#define GGML_F16_STEP 16 +#define GGML_F16_EPR 4 + +inline static v128_t __wasm_f16x4_load(const ggml_fp16_t * p) { + float tmp[4]; + + tmp[0] = GGML_FP16_TO_FP32(p[0]); + tmp[1] = GGML_FP16_TO_FP32(p[1]); + tmp[2] = GGML_FP16_TO_FP32(p[2]); + tmp[3] = GGML_FP16_TO_FP32(p[3]); + + return wasm_v128_load(tmp); +} + +inline static void __wasm_f16x4_store(ggml_fp16_t * p, v128_t x) { + float tmp[4]; + + wasm_v128_store(tmp, x); + + p[0] = GGML_FP32_TO_FP16(tmp[0]); + p[1] = GGML_FP32_TO_FP16(tmp[1]); + p[2] = GGML_FP32_TO_FP16(tmp[2]); + p[3] = GGML_FP32_TO_FP16(tmp[3]); +} + +#define GGML_F16x4 v128_t +#define GGML_F16x4_ZERO wasm_f32x4_splat(0.0f) +#define GGML_F16x4_SET1(x) wasm_f32x4_splat(x) +#define GGML_F16x4_LOAD(x) __wasm_f16x4_load(x) +#define GGML_F16x4_STORE(x, y) __wasm_f16x4_store(x, y) +#define GGML_F16x4_FMA GGML_F32x4_FMA +#define GGML_F16x4_ADD wasm_f32x4_add +#define GGML_F16x4_MUL wasm_f32x4_mul +#define GGML_F16x4_REDUCE(res, x) \ +{ \ + int offset = GGML_F16_ARR >> 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = wasm_f32x4_add(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = wasm_f32x4_add(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = wasm_f32x4_add(x[i], x[offset+i]); \ + } \ + res = wasm_f32x4_extract_lane(x[0], 0) + \ + wasm_f32x4_extract_lane(x[0], 1) + \ + wasm_f32x4_extract_lane(x[0], 2) + \ + wasm_f32x4_extract_lane(x[0], 3); \ +} + +#define GGML_F16_VEC GGML_F16x4 +#define GGML_F16_VEC_ZERO GGML_F16x4_ZERO +#define GGML_F16_VEC_SET1 GGML_F16x4_SET1 +#define GGML_F16_VEC_LOAD(p, i) GGML_F16x4_LOAD(p) +#define GGML_F16_VEC_STORE(p, r, i) GGML_F16x4_STORE(p, r[i]) +#define GGML_F16_VEC_FMA GGML_F16x4_FMA +#define GGML_F16_VEC_ADD GGML_F16x4_ADD +#define GGML_F16_VEC_MUL GGML_F16x4_MUL +#define GGML_F16_VEC_REDUCE GGML_F16x4_REDUCE + +#elif defined(__SSE3__) + +#define GGML_SIMD + +// F32 SSE + +#define GGML_F32_STEP 32 +#define GGML_F32_EPR 4 + +#define GGML_F32x4 __m128 +#define GGML_F32x4_ZERO _mm_setzero_ps() +#define GGML_F32x4_SET1(x) _mm_set1_ps(x) +#define GGML_F32x4_LOAD _mm_loadu_ps +#define GGML_F32x4_STORE _mm_storeu_ps +#if defined(__FMA__) + // TODO: Does this work? + #define GGML_F32x4_FMA(a, b, c) _mm_fmadd_ps(b, c, a) +#else + #define GGML_F32x4_FMA(a, b, c) _mm_add_ps(_mm_mul_ps(b, c), a) +#endif +#define GGML_F32x4_ADD _mm_add_ps +#define GGML_F32x4_MUL _mm_mul_ps +#define GGML_F32x4_REDUCE(res, x) \ +{ \ + int offset = GGML_F32_ARR >> 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = _mm_add_ps(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = _mm_add_ps(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = _mm_add_ps(x[i], x[offset+i]); \ + } \ + const __m128 t0 = _mm_hadd_ps(x[0], x[0]); \ + res = (ggml_float) _mm_cvtss_f32(_mm_hadd_ps(t0, t0)); \ +} +// TODO: is this optimal ? + +#define GGML_F32_VEC GGML_F32x4 +#define GGML_F32_VEC_ZERO GGML_F32x4_ZERO +#define GGML_F32_VEC_SET1 GGML_F32x4_SET1 +#define GGML_F32_VEC_LOAD GGML_F32x4_LOAD +#define GGML_F32_VEC_STORE GGML_F32x4_STORE +#define GGML_F32_VEC_FMA GGML_F32x4_FMA +#define GGML_F32_VEC_ADD GGML_F32x4_ADD +#define GGML_F32_VEC_MUL GGML_F32x4_MUL +#define GGML_F32_VEC_REDUCE GGML_F32x4_REDUCE + +// F16 SSE + +#define GGML_F16_STEP 32 +#define GGML_F16_EPR 4 + +static inline __m128 __sse_f16x4_load(ggml_fp16_t *x) { + float tmp[4]; + + tmp[0] = GGML_FP16_TO_FP32(x[0]); + tmp[1] = GGML_FP16_TO_FP32(x[1]); + tmp[2] = GGML_FP16_TO_FP32(x[2]); + tmp[3] = GGML_FP16_TO_FP32(x[3]); + + return _mm_loadu_ps(tmp); +} + +static inline void __sse_f16x4_store(ggml_fp16_t *x, __m128 y) { + float arr[4]; + + _mm_storeu_ps(arr, y); + + x[0] = GGML_FP32_TO_FP16(arr[0]); + x[1] = GGML_FP32_TO_FP16(arr[1]); + x[2] = GGML_FP32_TO_FP16(arr[2]); + x[3] = GGML_FP32_TO_FP16(arr[3]); +} + +#define GGML_F32Cx4 __m128 +#define GGML_F32Cx4_ZERO _mm_setzero_ps() +#define GGML_F32Cx4_SET1(x) _mm_set1_ps(x) +#define GGML_F32Cx4_LOAD(x) __sse_f16x4_load(x) +#define GGML_F32Cx4_STORE(x, y) __sse_f16x4_store(x, y) +#define GGML_F32Cx4_FMA GGML_F32x4_FMA +#define GGML_F32Cx4_ADD _mm_add_ps +#define GGML_F32Cx4_MUL _mm_mul_ps +#define GGML_F32Cx4_REDUCE GGML_F32x4_REDUCE + +#define GGML_F16_VEC GGML_F32Cx4 +#define GGML_F16_VEC_ZERO GGML_F32Cx4_ZERO +#define GGML_F16_VEC_SET1 GGML_F32Cx4_SET1 +#define GGML_F16_VEC_LOAD(p, i) GGML_F32Cx4_LOAD(p) +#define GGML_F16_VEC_STORE(p, r, i) GGML_F32Cx4_STORE(p, r[i]) +#define GGML_F16_VEC_FMA GGML_F32Cx4_FMA +#define GGML_F16_VEC_ADD GGML_F32Cx4_ADD +#define GGML_F16_VEC_MUL GGML_F32Cx4_MUL +#define GGML_F16_VEC_REDUCE GGML_F32Cx4_REDUCE + +#elif defined(__loongarch_asx) + +#define GGML_SIMD + +// F32 LASX +#define GGML_F32_STEP 32 +#define GGML_F32_EPR 8 + +#define GGML_F32x8 __m256 +#define GGML_F32x8_ZERO (__m256)__lasx_xvldi(0) +#define GGML_F32x8_SET1(x) (__m256)__lasx_xvreplfr2vr_s((x)) +#define GGML_F32x8_LOAD(x) (__m256)__lasx_xvld((x), 0) +#define GGML_F32x8_STORE(x,y) __lasx_xvst((y), (x), 0) +#define GGML_F32x8_FMA(a, b, c) __lasx_xvfmadd_s(b, c, a) +#define GGML_F32x8_ADD __lasx_xvfadd_s +#define GGML_F32x8_MUL __lasx_xvfmul_s +#define GGML_F32x8_REDUCE(res, x) \ +do { \ + int offset = GGML_F32_ARR >> 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = __lasx_xvfadd_s(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = __lasx_xvfadd_s(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = __lasx_xvfadd_s(x[i], x[offset+i]); \ + } \ + float *tmp_p = (float *)&x[0]; \ + res = tmp_p[0] + tmp_p[1] + tmp_p[2] + tmp_p[3] + tmp_p[4] + tmp_p[5] + tmp_p[6] + tmp_p[7]; \ +} while (0) +// TODO: is this optimal ? + +#define GGML_F32_VEC GGML_F32x8 +#define GGML_F32_VEC_ZERO GGML_F32x8_ZERO +#define GGML_F32_VEC_SET1 GGML_F32x8_SET1 +#define GGML_F32_VEC_LOAD GGML_F32x8_LOAD +#define GGML_F32_VEC_STORE GGML_F32x8_STORE +#define GGML_F32_VEC_FMA GGML_F32x8_FMA +#define GGML_F32_VEC_ADD GGML_F32x8_ADD +#define GGML_F32_VEC_MUL GGML_F32x8_MUL +#define GGML_F32_VEC_REDUCE GGML_F32x8_REDUCE + +// F16 LASX + +#define GGML_F16_STEP 32 +#define GGML_F16_EPR 8 + +// F16 arithmetic is not supported by AVX, so we use F32 instead + +#define GGML_F32Cx8 __m256 +#define GGML_F32Cx8_ZERO (__m256)__lasx_xvldi(0) +#define GGML_F32Cx8_SET1(x) (__m256)__lasx_xvreplgr2vr_w((x)) + +static inline __m256 __lasx_f32cx8_load(const ggml_fp16_t * x) { + float tmp[8]; + + for (int i = 0; i < 8; i++) { + tmp[i] = GGML_FP16_TO_FP32(x[i]); + } + + return (__m256)__lasx_xvld(tmp, 0); +} +static inline void __lasx_f32cx8_store(ggml_fp16_t * x, __m256 y) { + float arr[8]; + + __lasx_xvst(y, arr, 0); + + for (int i = 0; i < 8; i++) { + x[i] = GGML_FP32_TO_FP16(arr[i]); + } +} +#define GGML_F32Cx8_LOAD(x) __lasx_f32cx8_load(x) +#define GGML_F32Cx8_STORE(x, y) __lasx_f32cx8_store(x, y) + +#define GGML_F32Cx8_FMA GGML_F32x8_FMA +#define GGML_F32Cx8_ADD __lasx_xvfadd_s +#define GGML_F32Cx8_MUL __lasx_xvfmul_s +#define GGML_F32Cx8_REDUCE GGML_F32x8_REDUCE + +#define GGML_F16_VEC GGML_F32Cx8 +#define GGML_F16_VEC_ZERO GGML_F32Cx8_ZERO +#define GGML_F16_VEC_SET1 GGML_F32Cx8_SET1 +#define GGML_F16_VEC_LOAD(p, i) GGML_F32Cx8_LOAD(p) +#define GGML_F16_VEC_STORE(p, r, i) GGML_F32Cx8_STORE(p, r[i]) +#define GGML_F16_VEC_FMA GGML_F32Cx8_FMA +#define GGML_F16_VEC_ADD GGML_F32Cx8_ADD +#define GGML_F16_VEC_MUL GGML_F32Cx8_MUL +#define GGML_F16_VEC_REDUCE GGML_F32Cx8_REDUCE + +#elif defined(__loongarch_sx) + +#define GGML_SIMD + +// F32 LSX + +#define GGML_F32_STEP 32 +#define GGML_F32_EPR 4 + +#define GGML_F32x4 __m128 +#define GGML_F32x4_ZERO __lsx_vldi(0) +#define GGML_F32x4_SET1(x) __lsx_vinsgr2vr_w(__lsx_vldi(0),(x), 0) +#define GGML_F32x4_LOAD(x) __lsx_vld((x), 0) +#define GGML_F32x4_STORE((x),(y)) __lsx_vst((y), (x), 0) +#define GGML_F32x4_FMA(a, b, c) __lsx_vfmadd_s(b, c, a) +#define GGML_F32x4_ADD __lsx_vfadd_s +#define GGML_F32x4_MUL __lsx_vfmul_s +#define GGML_F32x4_REDUCE(res, x) \ +{ \ + int offset = GGML_F32_ARR >> 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = __lsx_vfadd_s(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = __lsx_vfadd_s(x[i], x[offset+i]); \ + } \ + offset >>= 1; \ + for (int i = 0; i < offset; ++i) { \ + x[i] = __lsx_vfadd_s(x[i], x[offset+i]); \ + } \ + __m128i tmp = __lsx_vsrli_d((__m128i)x[0], 32); \ + tmp = (__m128i)__lsx_vfadd_s((__m128)tmp, x[0]); \ + tmp = __lsx_vpickev_w(__lsx_vldi(0), tmp); \ + const __m128 t0 = __lsx_vshuf4i_w(tmp, 0x88); \ + tmp = __lsx_vsrli_d((__m128i)t0, 32); \ + tmp = (__m128i)__lsx_vfadd_s((__m128)tmp, t0); \ + tmp = __lsx_vpickev_w(__lsx_vldi(0), tmp); \ + res = (ggml_float) __lsx_vpickve2gr_w(__lsx_vshuf4i_w(tmp, 0x88), 0); \ +} + +#define GGML_F32_VEC GGML_F32x4 +#define GGML_F32_VEC_ZERO GGML_F32x4_ZERO +#define GGML_F32_VEC_SET1 GGML_F32x4_SET1 +#define GGML_F32_VEC_LOAD GGML_F32x4_LOAD +#define GGML_F32_VEC_STORE GGML_F32x4_STORE +#define GGML_F32_VEC_FMA GGML_F32x4_FMA +#define GGML_F32_VEC_ADD GGML_F32x4_ADD +#define GGML_F32_VEC_MUL GGML_F32x4_MUL +#define GGML_F32_VEC_REDUCE GGML_F32x4_REDUCE + +// F16 LSX + +#define GGML_F16_STEP 32 +#define GGML_F16_EPR 4 + +static inline __m128 __lsx_f16x4_load(const ggml_fp16_t * x) { + float tmp[4]; + + tmp[0] = GGML_FP16_TO_FP32(x[0]); + tmp[1] = GGML_FP16_TO_FP32(x[1]); + tmp[2] = GGML_FP16_TO_FP32(x[2]); + tmp[3] = GGML_FP16_TO_FP32(x[3]); + + return __lsx_vld(tmp, 0); +} + +static inline void __lsx_f16x4_store(ggml_fp16_t * x, __m128 y) { + float arr[4]; + + __lsx_vst(y, arr, 0); + + x[0] = GGML_FP32_TO_FP16(arr[0]); + x[1] = GGML_FP32_TO_FP16(arr[1]); + x[2] = GGML_FP32_TO_FP16(arr[2]); + x[3] = GGML_FP32_TO_FP16(arr[3]); +} + +#define GGML_F32Cx4 __m128 +#define GGML_F32Cx4_ZERO __lsx_vldi(0) +#define GGML_F32Cx4_SET1(x) __lsx_vinsgr2vr_w(__lsx_vldi(0),(x), 0) +#define GGML_F32Cx4_LOAD(x) __lsx_f16x4_load(x) +#define GGML_F32Cx4_STORE(x, y) __lsx_f16x4_store(x, y) +#define GGML_F32Cx4_FMA GGML_F32x4_FMA +#define GGML_F32Cx4_ADD __lsx_vfadd_s +#define GGML_F32Cx4_MUL __lsx_vfmul_s +#define GGML_F32Cx4_REDUCE GGML_F32x4_REDUCE + +#define GGML_F16_VEC GGML_F32Cx4 +#define GGML_F16_VEC_ZERO GGML_F32Cx4_ZERO +#define GGML_F16_VEC_SET1 GGML_F32Cx4_SET1 +#define GGML_F16_VEC_LOAD(p, i) GGML_F32Cx4_LOAD(p) +#define GGML_F16_VEC_STORE(p, r, i) GGML_F32Cx4_STORE(p, r[i]) +#define GGML_F16_VEC_FMA GGML_F32Cx4_FMA +#define GGML_F16_VEC_ADD GGML_F32Cx4_ADD +#define GGML_F16_VEC_MUL GGML_F32Cx4_MUL +#define GGML_F16_VEC_REDUCE GGML_F32Cx4_REDUCE + +#endif + +// GGML_F32_ARR / GGML_F16_ARR +// number of registers to use per step +#ifdef GGML_SIMD +#define GGML_F32_ARR (GGML_F32_STEP/GGML_F32_EPR) +#define GGML_F16_ARR (GGML_F16_STEP/GGML_F16_EPR) +#endif + +// +// ggml context +// + +struct ggml_context { + size_t mem_size; + void* mem_buffer; + bool mem_buffer_owned; + bool no_alloc; + bool no_alloc_save; // this is used to save the no_alloc state when using scratch buffers + + int n_objects; + + struct ggml_object * objects_begin; + struct ggml_object * objects_end; + + struct ggml_scratch scratch; + struct ggml_scratch scratch_save; +}; + +struct ggml_context_container { + bool used; + + struct ggml_context context; +}; + +struct ggml_compute_state_shared { + const struct ggml_cgraph * cgraph; + const struct ggml_cplan * cplan; + + int n_threads; + + // synchronization primitives + atomic_int n_barrier; + atomic_int n_barrier_passed; + + ggml_abort_callback abort_callback; // abort ggml_graph_compute when true + void * abort_callback_data; + + atomic_int current_chunk; // currently processing chunk during mul_mat, shared between all the threads + + enum ggml_status ec; +}; + +struct ggml_compute_state { + ggml_thread_t thrd; + int ith; + struct ggml_compute_state_shared * shared; +}; + +struct ggml_compute_params { + // ith = thread index, nth = number of threads + int ith, nth; + + // work buffer for all threads + size_t wsize; + void * wdata; + + struct ggml_compute_state_shared * shared; +}; + +// +// fundamental operations +// + +inline static void ggml_vec_set_i8(const int n, int8_t * x, const int8_t v) { for (int i = 0; i < n; ++i) x[i] = v; } + +inline static void ggml_vec_set_i16(const int n, int16_t * x, const int16_t v) { for (int i = 0; i < n; ++i) x[i] = v; } + +inline static void ggml_vec_set_i32(const int n, int32_t * x, const int32_t v) { for (int i = 0; i < n; ++i) x[i] = v; } + +inline static void ggml_vec_set_f16(const int n, ggml_fp16_t * x, const int32_t v) { for (int i = 0; i < n; ++i) x[i] = v; } + +inline static void ggml_vec_set_bf16(const int n, ggml_bf16_t * x, const ggml_bf16_t v) { for (int i = 0; i < n; ++i) x[i] = v; } + +inline static void ggml_vec_add_f32 (const int n, float * z, const float * x, const float * y) { for (int i = 0; i < n; ++i) z[i] = x[i] + y[i]; } +inline static void ggml_vec_add1_f32(const int n, float * z, const float * x, const float v) { for (int i = 0; i < n; ++i) z[i] = x[i] + v; } +inline static void ggml_vec_acc_f32 (const int n, float * y, const float * x) { for (int i = 0; i < n; ++i) y[i] += x[i]; } +inline static void ggml_vec_acc1_f32(const int n, float * y, const float v) { for (int i = 0; i < n; ++i) y[i] += v; } +inline static void ggml_vec_sub_f32 (const int n, float * z, const float * x, const float * y) { for (int i = 0; i < n; ++i) z[i] = x[i] - y[i]; } +inline static void ggml_vec_set_f32 (const int n, float * x, const float v) { for (int i = 0; i < n; ++i) x[i] = v; } +inline static void ggml_vec_cpy_f32 (const int n, float * y, const float * x) { for (int i = 0; i < n; ++i) y[i] = x[i]; } +inline static void ggml_vec_neg_f32 (const int n, float * y, const float * x) { for (int i = 0; i < n; ++i) y[i] = -x[i]; } +inline static void ggml_vec_mul_f32 (const int n, float * z, const float * x, const float * y) { for (int i = 0; i < n; ++i) z[i] = x[i]*y[i]; } +inline static void ggml_vec_div_f32 (const int n, float * z, const float * x, const float * y) { for (int i = 0; i < n; ++i) z[i] = x[i]/y[i]; } + +static void ggml_vec_dot_f32(int n, float * restrict s, size_t bs, const float * restrict x, size_t bx, const float * restrict y, size_t by, int nrc) { + assert(nrc == 1); + UNUSED(nrc); + UNUSED(bx); + UNUSED(by); + UNUSED(bs); + +#if defined(GGML_SIMD) + float sumf = 0.0f; + const int np = (n & ~(GGML_F32_STEP - 1)); + + GGML_F32_VEC sum[GGML_F32_ARR] = { GGML_F32_VEC_ZERO }; + + GGML_F32_VEC ax[GGML_F32_ARR]; + GGML_F32_VEC ay[GGML_F32_ARR]; + + for (int i = 0; i < np; i += GGML_F32_STEP) { + for (int j = 0; j < GGML_F32_ARR; j++) { + ax[j] = GGML_F32_VEC_LOAD(x + i + j*GGML_F32_EPR); + ay[j] = GGML_F32_VEC_LOAD(y + i + j*GGML_F32_EPR); + + sum[j] = GGML_F32_VEC_FMA(sum[j], ax[j], ay[j]); + } + } + + // reduce sum0..sum3 to sum0 + GGML_F32_VEC_REDUCE(sumf, sum); + + // leftovers + for (int i = np; i < n; ++i) { + sumf += x[i]*y[i]; + } +#else + // scalar + ggml_float sumf = 0.0; + for (int i = 0; i < n; ++i) { + sumf += (ggml_float)(x[i]*y[i]); + } +#endif + + *s = sumf; +} + +static void ggml_vec_dot_bf16(int n, float * restrict s, size_t bs, ggml_bf16_t * restrict x, size_t bx, ggml_bf16_t * restrict y, size_t by, int nrc) { + assert(nrc == 1); + UNUSED(nrc); + UNUSED(bx); + UNUSED(by); + UNUSED(bs); + int i = 0; + ggml_float sumf = 0; + +#if defined(__AVX512BF16__) + __m512 c1 = _mm512_setzero_ps(); + __m512 c2 = _mm512_setzero_ps(); + for (; i + 64 <= n; i += 64) { + c1 = _mm512_dpbf16_ps(c1, m512bh(_mm512_loadu_si512((x + i))), + m512bh(_mm512_loadu_si512((y + i)))); + c2 = _mm512_dpbf16_ps(c2, m512bh(_mm512_loadu_si512((x + i + 32))), + m512bh(_mm512_loadu_si512((y + i + 32)))); + } + sumf += (ggml_float)_mm512_reduce_add_ps(c1); + sumf += (ggml_float)_mm512_reduce_add_ps(c2); + +#elif defined(__AVX512F__) +#define LOAD(p) _mm512_castsi512_ps(_mm512_slli_epi32(_mm512_cvtepu16_epi32(_mm256_loadu_si256((const __m256i *)(p))), 16)) + __m512 c1 = _mm512_setzero_ps(); + __m512 c2 = _mm512_setzero_ps(); + for (; i + 32 <= n; i += 32) { + c1 = _mm512_add_ps(_mm512_mul_ps(LOAD(x + i), LOAD(y + i)), c1); + c2 = _mm512_add_ps(_mm512_mul_ps(LOAD(x + i + 16), LOAD(y + i + 16)), c2); + } + sumf += (ggml_float)_mm512_reduce_add_ps(c1); + sumf += (ggml_float)_mm512_reduce_add_ps(c2); + +#undef LOAD +#elif defined(__AVX2__) +#define LOAD(p) _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_cvtepu16_epi32(_mm_loadu_si128((const __m128i *)(p))), 16)) + __m256 c1 = _mm256_setzero_ps(); + __m256 c2 = _mm256_setzero_ps(); + __m256 c3 = _mm256_setzero_ps(); + __m256 c4 = _mm256_setzero_ps(); + for (; i + 32 <= n; i += 32) { + c1 = _mm256_add_ps(_mm256_mul_ps(LOAD(x + i), LOAD(y + i)), c1); + c2 = _mm256_add_ps(_mm256_mul_ps(LOAD(x + i + 8), LOAD(y + i + 8)), c2); + c3 = _mm256_add_ps(_mm256_mul_ps(LOAD(x + i + 16), LOAD(y + i + 16)), c3); + c4 = _mm256_add_ps(_mm256_mul_ps(LOAD(x + i + 24), LOAD(y + i + 24)), c4); + } + __m128 g; + c1 = _mm256_add_ps(_mm256_add_ps(c1, c3), + _mm256_add_ps(c2, c4)); + g = _mm_add_ps(_mm256_extractf128_ps(c1, 1), + _mm256_castps256_ps128(c1)); + g = _mm_add_ps(g, _mm_movehl_ps(g, g)); + g = _mm_add_ss(g, _mm_movehdup_ps(g)); + sumf += (ggml_float)_mm_cvtss_f32(g); + +#undef LOAD +#endif + + for (; i < n; ++i) { + sumf += (ggml_float)(GGML_BF16_TO_FP32(x[i]) * + GGML_BF16_TO_FP32(y[i])); + } + *s = sumf; +} + +static void ggml_vec_dot_f16(int n, float * restrict s, size_t bs, ggml_fp16_t * restrict x, size_t bx, ggml_fp16_t * restrict y, size_t by, int nrc) { + assert(nrc == 1); + UNUSED(nrc); + UNUSED(bx); + UNUSED(by); + UNUSED(bs); + + ggml_float sumf = 0.0; + +#if defined(GGML_SIMD) + const int np = (n & ~(GGML_F16_STEP - 1)); + + GGML_F16_VEC sum[GGML_F16_ARR] = { GGML_F16_VEC_ZERO }; + + GGML_F16_VEC ax[GGML_F16_ARR]; + GGML_F16_VEC ay[GGML_F16_ARR]; + + for (int i = 0; i < np; i += GGML_F16_STEP) { + for (int j = 0; j < GGML_F16_ARR; j++) { + ax[j] = GGML_F16_VEC_LOAD(x + i + j*GGML_F16_EPR, j); + ay[j] = GGML_F16_VEC_LOAD(y + i + j*GGML_F16_EPR, j); + + sum[j] = GGML_F16_VEC_FMA(sum[j], ax[j], ay[j]); + } + } + + // reduce sum0..sum3 to sum0 + GGML_F16_VEC_REDUCE(sumf, sum); + + // leftovers + for (int i = np; i < n; ++i) { + sumf += (ggml_float)(GGML_FP16_TO_FP32(x[i])*GGML_FP16_TO_FP32(y[i])); + } +#else + for (int i = 0; i < n; ++i) { + sumf += (ggml_float)(GGML_FP16_TO_FP32(x[i])*GGML_FP16_TO_FP32(y[i])); + } +#endif + + *s = sumf; +} + +// compute GGML_VEC_DOT_UNROLL dot products at once +// xs - x row stride in bytes +inline static void ggml_vec_dot_f16_unroll(const int n, const int xs, float * restrict s, void * restrict xv, ggml_fp16_t * restrict y) { + ggml_float sumf[GGML_VEC_DOT_UNROLL] = { 0.0 }; + + ggml_fp16_t * restrict x[GGML_VEC_DOT_UNROLL]; + + for (int i = 0; i < GGML_VEC_DOT_UNROLL; ++i) { + x[i] = (ggml_fp16_t *) ((char *) xv + i*xs); + } + +#if defined(GGML_SIMD) + const int np = (n & ~(GGML_F16_STEP - 1)); + + GGML_F16_VEC sum[GGML_VEC_DOT_UNROLL][GGML_F16_ARR] = { { GGML_F16_VEC_ZERO } }; + + GGML_F16_VEC ax[GGML_F16_ARR]; + GGML_F16_VEC ay[GGML_F16_ARR]; + + for (int i = 0; i < np; i += GGML_F16_STEP) { + for (int j = 0; j < GGML_F16_ARR; j++) { + ay[j] = GGML_F16_VEC_LOAD(y + i + j*GGML_F16_EPR, j); + + for (int k = 0; k < GGML_VEC_DOT_UNROLL; ++k) { + ax[j] = GGML_F16_VEC_LOAD(x[k] + i + j*GGML_F16_EPR, j); + + sum[k][j] = GGML_F16_VEC_FMA(sum[k][j], ax[j], ay[j]); + } + } + } + + // reduce sum0..sum3 to sum0 + for (int k = 0; k < GGML_VEC_DOT_UNROLL; ++k) { + GGML_F16_VEC_REDUCE(sumf[k], sum[k]); + } + + // leftovers + for (int i = np; i < n; ++i) { + for (int j = 0; j < GGML_VEC_DOT_UNROLL; ++j) { + sumf[j] += (ggml_float)(GGML_FP16_TO_FP32(x[j][i])*GGML_FP16_TO_FP32(y[i])); + } + } +#else + for (int i = 0; i < n; ++i) { + for (int j = 0; j < GGML_VEC_DOT_UNROLL; ++j) { + sumf[j] += (ggml_float)(GGML_FP16_TO_FP32(x[j][i])*GGML_FP16_TO_FP32(y[i])); + } + } +#endif + + for (int i = 0; i < GGML_VEC_DOT_UNROLL; ++i) { + s[i] = sumf[i]; + } +} + +inline static void ggml_vec_mad_f32(const int n, float * restrict y, const float * restrict x, const float v) { +#if defined(GGML_SIMD) + const int np = (n & ~(GGML_F32_STEP - 1)); + + GGML_F32_VEC vx = GGML_F32_VEC_SET1(v); + + GGML_F32_VEC ax[GGML_F32_ARR]; + GGML_F32_VEC ay[GGML_F32_ARR]; + + for (int i = 0; i < np; i += GGML_F32_STEP) { + for (int j = 0; j < GGML_F32_ARR; j++) { + ax[j] = GGML_F32_VEC_LOAD(x + i + j*GGML_F32_EPR); + ay[j] = GGML_F32_VEC_LOAD(y + i + j*GGML_F32_EPR); + ay[j] = GGML_F32_VEC_FMA(ay[j], ax[j], vx); + + GGML_F32_VEC_STORE(y + i + j*GGML_F32_EPR, ay[j]); + } + } + + // leftovers + for (int i = np; i < n; ++i) { + y[i] += x[i]*v; + } +#else + // scalar + for (int i = 0; i < n; ++i) { + y[i] += x[i]*v; + } +#endif +} + +inline static void ggml_vec_mad_f16(const int n, ggml_fp16_t * restrict y, const ggml_fp16_t * restrict x, const float v) { +#if defined(GGML_SIMD) + const int np = (n & ~(GGML_F16_STEP - 1)); + + GGML_F16_VEC vx = GGML_F16_VEC_SET1(v); + + GGML_F16_VEC ax[GGML_F16_ARR]; + GGML_F16_VEC ay[GGML_F16_ARR]; + + for (int i = 0; i < np; i += GGML_F16_STEP) { + for (int j = 0; j < GGML_F16_ARR; j++) { + ax[j] = GGML_F16_VEC_LOAD(x + i + j*GGML_F16_EPR, j); + ay[j] = GGML_F16_VEC_LOAD(y + i + j*GGML_F16_EPR, j); + ay[j] = GGML_F16_VEC_FMA(ay[j], ax[j], vx); + + GGML_F16_VEC_STORE(y + i + j*GGML_F16_EPR, ay, j); + } + } + + // leftovers + for (int i = np; i < n; ++i) { + y[i] = GGML_FP32_TO_FP16(GGML_FP16_TO_FP32(y[i]) + GGML_FP16_TO_FP32(x[i])*v); + } +#else + // scalar + for (int i = 0; i < n; ++i) { + y[i] = GGML_FP32_TO_FP16(GGML_FP16_TO_FP32(y[i]) + GGML_FP16_TO_FP32(x[i])*v); + } +#endif +} + +// xs and vs are byte strides of x and v +inline static void ggml_vec_mad_f32_unroll(const int n, const int xs, const int vs, float * restrict y, const float * restrict xv, const float * restrict vv) { + + const float * restrict x[GGML_VEC_MAD_UNROLL]; + const float * restrict v[GGML_VEC_MAD_UNROLL]; + + for (int i = 0; i < GGML_VEC_MAD_UNROLL; ++i) { + x[i] = (const float *) ((const char *) xv + i*xs); + v[i] = (const float *) ((const char *) vv + i*vs); + } + +#if defined(GGML_SIMD) + const int np = (n & ~(GGML_F32_STEP - 1)); + + GGML_F32_VEC vx[GGML_VEC_MAD_UNROLL]; + + for (int k = 0; k < GGML_VEC_MAD_UNROLL; ++k) { + vx[k] = GGML_F32_VEC_SET1(v[k][0]); + } + + GGML_F32_VEC ax[GGML_VEC_MAD_UNROLL][GGML_F32_ARR]; + GGML_F32_VEC ay[GGML_F32_ARR]; + + for (int i = 0; i < np; i += GGML_F32_STEP) { + for (int j = 0; j < GGML_F32_ARR; j++) { + ay[j] = GGML_F32_VEC_LOAD(y + i + j*GGML_F32_EPR); + + for (int k = 0; k < GGML_VEC_MAD_UNROLL; ++k) { + ax[k][j] = GGML_F32_VEC_LOAD(x[k] + i + j*GGML_F32_EPR); + ay[j] = GGML_F32_VEC_FMA(ay[j], ax[k][j], vx[k]); + } + + GGML_F32_VEC_STORE(y + i + j*GGML_F32_EPR, ay[j]); + } + } + + // leftovers + for (int k = 0; k < GGML_VEC_MAD_UNROLL; ++k) { + for (int i = np; i < n; ++i) { + y[i] += x[k][i]*v[k][0]; + } + } +#else + // scalar + for (int k = 0; k < GGML_VEC_MAD_UNROLL; ++k) { + for (int i = 0; i < n; ++i) { + y[i] += x[k][i]*v[k][0]; + } + } +#endif +} + +//inline static void ggml_vec_scale_f32(const int n, float * y, const float v) { for (int i = 0; i < n; ++i) y[i] *= v; } +inline static void ggml_vec_scale_f32(const int n, float * y, const float v) { +#if defined(GGML_USE_ACCELERATE) + vDSP_vsmul(y, 1, &v, y, 1, n); +#elif defined(GGML_SIMD) + const int np = (n & ~(GGML_F32_STEP - 1)); + + GGML_F32_VEC vx = GGML_F32_VEC_SET1(v); + + GGML_F32_VEC ay[GGML_F32_ARR]; + + for (int i = 0; i < np; i += GGML_F32_STEP) { + for (int j = 0; j < GGML_F32_ARR; j++) { + ay[j] = GGML_F32_VEC_LOAD(y + i + j*GGML_F32_EPR); + ay[j] = GGML_F32_VEC_MUL(ay[j], vx); + + GGML_F32_VEC_STORE(y + i + j*GGML_F32_EPR, ay[j]); + } + } + + // leftovers + for (int i = np; i < n; ++i) { + y[i] *= v; + } +#else + // scalar + for (int i = 0; i < n; ++i) { + y[i] *= v; + } +#endif +} + +inline static void ggml_vec_scale_f16(const int n, ggml_fp16_t * y, const float v) { +#if defined(GGML_SIMD) + const int np = (n & ~(GGML_F16_STEP - 1)); + + GGML_F16_VEC vx = GGML_F16_VEC_SET1(v); + + GGML_F16_VEC ay[GGML_F16_ARR]; + + for (int i = 0; i < np; i += GGML_F16_STEP) { + for (int j = 0; j < GGML_F16_ARR; j++) { + ay[j] = GGML_F16_VEC_LOAD(y + i + j*GGML_F16_EPR, j); + ay[j] = GGML_F16_VEC_MUL(ay[j], vx); + + GGML_F16_VEC_STORE(y + i + j*GGML_F16_EPR, ay, j); + } + } + + // leftovers + for (int i = np; i < n; ++i) { + y[i] = GGML_FP32_TO_FP16(GGML_FP16_TO_FP32(y[i])*v); + } +#else + // scalar + for (int i = 0; i < n; ++i) { + y[i] = GGML_FP32_TO_FP16(GGML_FP16_TO_FP32(y[i])*v); + } +#endif +} + +inline static void ggml_vec_norm_f32 (const int n, float * s, const float * x) { ggml_vec_dot_f32(n, s, 0, x, 0, x, 0, 1); *s = sqrtf(*s); } +inline static void ggml_vec_sqr_f32 (const int n, float * y, const float * x) { for (int i = 0; i < n; ++i) y[i] = x[i]*x[i]; } +inline static void ggml_vec_sqrt_f32 (const int n, float * y, const float * x) { for (int i = 0; i < n; ++i) y[i] = sqrtf(x[i]); } +inline static void ggml_vec_log_f32 (const int n, float * y, const float * x) { for (int i = 0; i < n; ++i) y[i] = logf(x[i]); } +inline static void ggml_vec_abs_f32 (const int n, float * y, const float * x) { for (int i = 0; i < n; ++i) y[i] = fabsf(x[i]); } +inline static void ggml_vec_sgn_f32 (const int n, float * y, const float * x) { for (int i = 0; i < n; ++i) y[i] = (x[i] > 0.f) ? 1.f : ((x[i] < 0.f) ? -1.f : 0.f); } +inline static void ggml_vec_step_f32 (const int n, float * y, const float * x) { for (int i = 0; i < n; ++i) y[i] = (x[i] > 0.f) ? 1.f : 0.f; } +inline static void ggml_vec_tanh_f32 (const int n, float * y, const float * x) { for (int i = 0; i < n; ++i) y[i] = tanhf(x[i]); } +inline static void ggml_vec_elu_f32 (const int n, float * y, const float * x) { for (int i = 0; i < n; ++i) y[i] = (x[i] > 0.f) ? x[i] : expf(x[i])-1; } +inline static void ggml_vec_relu_f32 (const int n, float * y, const float * x) { for (int i = 0; i < n; ++i) y[i] = (x[i] > 0.f) ? x[i] : 0.f; } +inline static void ggml_vec_leaky_relu_f32 (const int n, float * y, const float * x, const float ns) { for (int i = 0; i < n; ++i) y[i] = ((x[i] > 0.f) ? x[i] : 0.f) + ns * ((x[i] < 0.0f) ? x[i] : 0.f); } +inline static void ggml_vec_sigmoid_f32 (const int n, float * y, const float * x) { for (int i = 0; i < n; ++i) y[i] = 1.f / (1.f + expf(-x[i])); } +// TODO: optimize performance +inline static void ggml_vec_hardswish_f32 (const int n, float * y, const float * x) { for (int i = 0; i < n; ++i) y[i] = x[i] * fminf(1.0f, fmaxf(0.0f, (x[i] + 3.0f) / 6.0f)); } +inline static void ggml_vec_hardsigmoid_f32 (const int n, float * y, const float * x) { for (int i = 0; i < n; ++i) y[i] = fminf(1.0f, fmaxf(0.0f, (x[i] + 3.0f) / 6.0f)); } + +static const float GELU_COEF_A = 0.044715f; +static const float GELU_QUICK_COEF = -1.702f; +static const float SQRT_2_OVER_PI = 0.79788456080286535587989211986876f; + +inline static float ggml_gelu_f32(float x) { + return 0.5f*x*(1.0f + tanhf(SQRT_2_OVER_PI*x*(1.0f + GELU_COEF_A*x*x))); +} + +inline static void ggml_vec_gelu_f16(const int n, ggml_fp16_t * y, const ggml_fp16_t * x) { + const uint16_t * i16 = (const uint16_t *) x; + for (int i = 0; i < n; ++i) { + y[i] = ggml_table_gelu_f16[i16[i]]; + } +} + +#ifdef GGML_GELU_FP16 +inline static void ggml_vec_gelu_f32(const int n, float * y, const float * x) { + uint16_t t; + for (int i = 0; i < n; ++i) { + if (x[i] <= -10.0f) { + y[i] = 0.0f; + } else if (x[i] >= 10.0f) { + y[i] = x[i]; + } else { + ggml_fp16_t fp16 = GGML_FP32_TO_FP16(x[i]); + memcpy(&t, &fp16, sizeof(uint16_t)); + y[i] = GGML_FP16_TO_FP32(ggml_table_gelu_f16[t]); + } + } +} +#else +inline static void ggml_vec_gelu_f32(const int n, float * y, const float * x) { + for (int i = 0; i < n; ++i) { + y[i] = ggml_gelu_f32(x[i]); + } +} +#endif + +inline static float ggml_gelu_quick_f32(float x) { + return x*(1.0f/(1.0f+expf(GELU_QUICK_COEF*x))); +} + +//inline static void ggml_vec_gelu_quick_f16(const int n, ggml_fp16_t * y, const ggml_fp16_t * x) { +// const uint16_t * i16 = (const uint16_t *) x; +// for (int i = 0; i < n; ++i) { +// y[i] = ggml_table_gelu_quick_f16[i16[i]]; +// } +//} + +#ifdef GGML_GELU_QUICK_FP16 +inline static void ggml_vec_gelu_quick_f32(const int n, float * y, const float * x) { + uint16_t t; + for (int i = 0; i < n; ++i) { + ggml_fp16_t fp16 = GGML_FP32_TO_FP16(x[i]); + memcpy(&t, &fp16, sizeof(uint16_t)); + y[i] = GGML_FP16_TO_FP32(ggml_table_gelu_quick_f16[t]); + } +} +#else +inline static void ggml_vec_gelu_quick_f32(const int n, float * y, const float * x) { + for (int i = 0; i < n; ++i) { + y[i] = ggml_gelu_quick_f32(x[i]); + } +} +#endif + +// Sigmoid Linear Unit (SiLU) function +inline static float ggml_silu_f32(float x) { + return x/(1.0f + expf(-x)); +} + +#if __FINITE_MATH_ONLY__ +#error "some routines in ggml.c require non-finite math arithmetics -- pass -fno-finite-math-only to the compiler to fix" +#error "ref: https://github.com/ggerganov/llama.cpp/pull/7154#issuecomment-2143844461" +#endif + +#if defined(__ARM_NEON) && defined(__aarch64__) + +// adapted from arm limited optimized routine +// the maximum error is 1.45358 plus 0.5 ulps +// numbers above 88.38 will flush to infinity +// numbers beneath -103.97 will flush to zero +inline static float32x4_t ggml_v_expf(float32x4_t x) { + const float32x4_t r = vdupq_n_f32(0x1.8p23f); + const float32x4_t z = vfmaq_f32(r, x, vdupq_n_f32(0x1.715476p+0f)); + const float32x4_t n = vsubq_f32(z, r); + const float32x4_t b = vfmsq_f32(vfmsq_f32(x, n, vdupq_n_f32(0x1.62e4p-1f)), n, + vdupq_n_f32(0x1.7f7d1cp-20f)); + const uint32x4_t e = vshlq_n_u32(vreinterpretq_u32_f32(z), 23); + const float32x4_t k = vreinterpretq_f32_u32(vaddq_u32(e, vreinterpretq_u32_f32(vdupq_n_f32(1)))); + const uint32x4_t c = vcagtq_f32(n, vdupq_n_f32(126)); + const float32x4_t u = vmulq_f32(b, b); + const float32x4_t j = vfmaq_f32( + vmulq_f32(vdupq_n_f32(0x1.ffffecp-1f), b), + vfmaq_f32(vfmaq_f32(vdupq_n_f32(0x1.fffdb6p-2f), vdupq_n_f32(0x1.555e66p-3f), b), + vfmaq_f32(vdupq_n_f32(0x1.573e2ep-5f), vdupq_n_f32(0x1.0e4020p-7f), b), u), u); + if (!vpaddd_u64(vreinterpretq_u64_u32(c))) + return vfmaq_f32(k, j, k); + const uint32x4_t d = vandq_u32(vclezq_f32(n), vdupq_n_u32(0x82000000)); + const float32x4_t s1 = vreinterpretq_f32_u32(vaddq_u32(d, vdupq_n_u32(0x7f000000))); + const float32x4_t s2 = vreinterpretq_f32_u32(vsubq_u32(e, d)); + return vbslq_f32(vcagtq_f32(n, vdupq_n_f32(192)), vmulq_f32(s1, s1), + vbslq_f32(c, vmulq_f32(vfmaq_f32(s2, s2, j), s1), vfmaq_f32(k, k, j))); +} + +// computes silu x/(1+exp(-x)) in single precision vector +inline static float32x4_t ggml_v_silu(float32x4_t x) { + const float32x4_t one = vdupq_n_f32(1.0f); + const float32x4_t zero = vdupq_n_f32(0.0f); + const float32x4_t neg_x = vsubq_f32(zero, x); + const float32x4_t exp_neg_x = ggml_v_expf(neg_x); + const float32x4_t one_plus_exp_neg_x = vaddq_f32(one, exp_neg_x); + return vdivq_f32(x, one_plus_exp_neg_x); +} + +#elif defined(__AVX512F__) && defined(__AVX512DQ__) + +// adapted from arm limited optimized routine +// the maximum error is 1.45358 plus 0.5 ulps +// numbers above 88.38 will flush to infinity +// numbers beneath -103.97 will flush to zero +inline static __m512 ggml_v_expf(__m512 x) { + const __m512 r = _mm512_set1_ps(0x1.8p23f); + const __m512 z = _mm512_fmadd_ps(x, _mm512_set1_ps(0x1.715476p+0f), r); + const __m512 n = _mm512_sub_ps(z, r); + const __m512 b = + _mm512_fnmadd_ps(n, _mm512_set1_ps(0x1.7f7d1cp-20f), + _mm512_fnmadd_ps(n, _mm512_set1_ps(0x1.62e4p-1f), x)); + const __mmask16 d = + _mm512_cmp_ps_mask(_mm512_abs_ps(n), _mm512_set1_ps(192), _CMP_GT_OQ); + const __m512 u = _mm512_mul_ps(b, b); + const __m512 j = _mm512_fmadd_ps( + _mm512_fmadd_ps(_mm512_fmadd_ps(_mm512_set1_ps(0x1.0e4020p-7f), b, + _mm512_set1_ps(0x1.573e2ep-5f)), + u, + _mm512_fmadd_ps(_mm512_set1_ps(0x1.555e66p-3f), b, + _mm512_set1_ps(0x1.fffdb6p-2f))), + u, + _mm512_fmadd_ps(_mm512_set1_ps(0x1.ffffecp-1f), b, _mm512_set1_ps(1.0F))); + const __m512 res = _mm512_scalef_ps(j, n); + if (_mm512_kortestz(d, d)) + return res; + const __m512 zero = _mm512_setzero_ps(); + const __m512 alt = _mm512_mask_blend_ps( + _mm512_cmp_ps_mask(n, zero, _CMP_LE_OQ), _mm512_set1_ps(INFINITY), zero); + return _mm512_mask_blend_ps(d, res, alt); +} + +// computes silu x/(1+exp(-x)) in single precision vector +inline static __m512 ggml_v_silu(__m512 x) { + const __m512 one = _mm512_set1_ps(1); + const __m512 zero = _mm512_setzero_ps(); + const __m512 neg_x = _mm512_sub_ps(zero, x); + const __m512 exp_neg_x = ggml_v_expf(neg_x); + const __m512 one_plus_exp_neg_x = _mm512_add_ps(one, exp_neg_x); + return _mm512_div_ps(x, one_plus_exp_neg_x); +} + +#elif defined(__AVX2__) && defined(__FMA__) + +// adapted from arm limited optimized routine +// the maximum error is 1.45358 plus 0.5 ulps +// numbers above 88.38 will flush to infinity +// numbers beneath -103.97 will flush to zero +inline static __m256 ggml_v_expf(__m256 x) { + const __m256 r = _mm256_set1_ps(0x1.8p23f); + const __m256 z = _mm256_fmadd_ps(x, _mm256_set1_ps(0x1.715476p+0f), r); + const __m256 n = _mm256_sub_ps(z, r); + const __m256 b = _mm256_fnmadd_ps(n, _mm256_set1_ps(0x1.7f7d1cp-20f), + _mm256_fnmadd_ps(n, _mm256_set1_ps(0x1.62e4p-1f), x)); + const __m256i e = _mm256_slli_epi32(_mm256_castps_si256(z), 23); + const __m256 k = _mm256_castsi256_ps( + _mm256_add_epi32(e, _mm256_castps_si256(_mm256_set1_ps(1)))); + const __m256i c = _mm256_castps_si256( + _mm256_cmp_ps(_mm256_andnot_ps(_mm256_set1_ps(-0.f), n), + _mm256_set1_ps(126), _CMP_GT_OQ)); + const __m256 u = _mm256_mul_ps(b, b); + const __m256 j = _mm256_fmadd_ps(_mm256_fmadd_ps(_mm256_fmadd_ps(_mm256_set1_ps(0x1.0e4020p-7f), b, + _mm256_set1_ps(0x1.573e2ep-5f)), u, + _mm256_fmadd_ps(_mm256_set1_ps(0x1.555e66p-3f), b, + _mm256_set1_ps(0x1.fffdb6p-2f))), + u, _mm256_mul_ps(_mm256_set1_ps(0x1.ffffecp-1f), b)); + if (!_mm256_movemask_ps(_mm256_castsi256_ps(c))) + return _mm256_fmadd_ps(j, k, k); + const __m256i g = _mm256_and_si256( + _mm256_castps_si256(_mm256_cmp_ps(n, _mm256_setzero_ps(), _CMP_LE_OQ)), + _mm256_set1_epi32(0x82000000u)); + const __m256 s1 = + _mm256_castsi256_ps(_mm256_add_epi32(g, _mm256_set1_epi32(0x7f000000u))); + const __m256 s2 = _mm256_castsi256_ps(_mm256_sub_epi32(e, g)); + const __m256i d = _mm256_castps_si256( + _mm256_cmp_ps(_mm256_andnot_ps(_mm256_set1_ps(-0.f), n), + _mm256_set1_ps(192), _CMP_GT_OQ)); + return _mm256_or_ps( + _mm256_and_ps(_mm256_castsi256_ps(d), _mm256_mul_ps(s1, s1)), + _mm256_andnot_ps( + _mm256_castsi256_ps(d), + _mm256_or_ps( + _mm256_and_ps(_mm256_castsi256_ps(c), + _mm256_mul_ps(_mm256_fmadd_ps(s2, j, s2), s1)), + _mm256_andnot_ps(_mm256_castsi256_ps(c), _mm256_fmadd_ps(k, j, k))))); +} + +// computes silu x/(1+exp(-x)) in single precision vector +inline static __m256 ggml_v_silu(__m256 x) { + const __m256 one = _mm256_set1_ps(1); + const __m256 zero = _mm256_setzero_ps(); + const __m256 neg_x = _mm256_sub_ps(zero, x); + const __m256 exp_neg_x = ggml_v_expf(neg_x); + const __m256 one_plus_exp_neg_x = _mm256_add_ps(one, exp_neg_x); + return _mm256_div_ps(x, one_plus_exp_neg_x); +} + +#elif defined(__SSE2__) // __AVX2__ / __ARM_NEON + +#if defined(__FMA__) +#define MADD128(x, y, z) _mm_fmadd_ps(x, y, z) +#define NMADD128(x, y, z) _mm_fnmadd_ps(x, y, z) +#else +#define MADD128(x, y, z) _mm_add_ps(_mm_mul_ps(x, y), z) +#define NMADD128(x, y, z) _mm_sub_ps(z, _mm_mul_ps(x, y)) +#endif + +// adapted from arm limited optimized routine +// the maximum error is 1.45358 plus 0.5 ulps +// numbers above 88.38 will flush to infinity +// numbers beneath -103.97 will flush to zero +inline static __m128 ggml_v_expf(__m128 x) { + const __m128 r = _mm_set1_ps(0x1.8p23f); + const __m128 z = MADD128(x, _mm_set1_ps(0x1.715476p+0f), r); + const __m128 n = _mm_sub_ps(z, r); + const __m128 b = + NMADD128(n, _mm_set1_ps(0x1.7f7d1cp-20f), NMADD128(n, _mm_set1_ps(0x1.62e4p-1f), x)); + const __m128i e = _mm_slli_epi32(_mm_castps_si128(z), 23); + const __m128 k = _mm_castsi128_ps(_mm_add_epi32(e, _mm_castps_si128(_mm_set1_ps(1)))); + const __m128i c = + _mm_castps_si128(_mm_cmpgt_ps(_mm_andnot_ps(_mm_set1_ps(-0.f), n), _mm_set1_ps(126))); + const __m128 u = _mm_mul_ps(b, b); + const __m128 j = + MADD128(MADD128(MADD128(_mm_set1_ps(0x1.0e4020p-7f), b, _mm_set1_ps(0x1.573e2ep-5f)), u, + MADD128(_mm_set1_ps(0x1.555e66p-3f), b, _mm_set1_ps(0x1.fffdb6p-2f))), + u, _mm_mul_ps(_mm_set1_ps(0x1.ffffecp-1f), b)); + if (!_mm_movemask_epi8(c)) + return MADD128(j, k, k); + const __m128i g = _mm_and_si128(_mm_castps_si128(_mm_cmple_ps(n, _mm_setzero_ps())), + _mm_set1_epi32(0x82000000u)); + const __m128 s1 = _mm_castsi128_ps(_mm_add_epi32(g, _mm_set1_epi32(0x7f000000u))); + const __m128 s2 = _mm_castsi128_ps(_mm_sub_epi32(e, g)); + const __m128i d = + _mm_castps_si128(_mm_cmpgt_ps(_mm_andnot_ps(_mm_set1_ps(-0.f), n), _mm_set1_ps(192))); + return _mm_or_ps( + _mm_and_ps(_mm_castsi128_ps(d), _mm_mul_ps(s1, s1)), + _mm_andnot_ps(_mm_castsi128_ps(d), + _mm_or_ps(_mm_and_ps(_mm_castsi128_ps(c), _mm_mul_ps(MADD128(s2, j, s2), s1)), + _mm_andnot_ps(_mm_castsi128_ps(c), MADD128(k, j, k))))); +} + +// computes silu x/(1+exp(-x)) in single precision vector +inline static __m128 ggml_v_silu(__m128 x) { + const __m128 one = _mm_set1_ps(1); + const __m128 zero = _mm_setzero_ps(); + const __m128 neg_x = _mm_sub_ps(zero, x); + const __m128 exp_neg_x = ggml_v_expf(neg_x); + const __m128 one_plus_exp_neg_x = _mm_add_ps(one, exp_neg_x); + return _mm_div_ps(x, one_plus_exp_neg_x); +} + +#endif // __ARM_NEON / __AVX2__ / __SSE2__ + +static void ggml_vec_silu_f32(const int n, float * y, const float * x) { + int i = 0; +#if defined(__AVX512F__) && defined(__AVX512DQ__) + for (; i + 15 < n; i += 16) { + _mm512_storeu_ps(y + i, ggml_v_silu(_mm512_loadu_ps(x + i))); + } +#elif defined(__AVX2__) && defined(__FMA__) + for (; i + 7 < n; i += 8) { + _mm256_storeu_ps(y + i, ggml_v_silu(_mm256_loadu_ps(x + i))); + } +#elif defined(__SSE2__) + for (; i + 3 < n; i += 4) { + _mm_storeu_ps(y + i, ggml_v_silu(_mm_loadu_ps(x + i))); + } +#elif defined(__ARM_NEON) && defined(__aarch64__) + for (; i + 3 < n; i += 4) { + vst1q_f32(y + i, ggml_v_silu(vld1q_f32(x + i))); + } +#endif + for (; i < n; ++i) { + y[i] = ggml_silu_f32(x[i]); + } +} + +static ggml_float ggml_vec_soft_max_f32(const int n, float * y, const float * x, float max) { + int i = 0; + ggml_float sum = 0; +#if defined(__AVX512F__) && defined(__AVX512DQ__) + for (; i + 15 < n; i += 16) { + __m512 val = ggml_v_expf(_mm512_sub_ps(_mm512_loadu_ps(x + i), + _mm512_set1_ps(max))); + _mm512_storeu_ps(y + i, val); + sum += (ggml_float)_mm512_reduce_add_ps(val); + } +#elif defined(__AVX2__) && defined(__FMA__) + for (; i + 7 < n; i += 8) { + __m256 val = ggml_v_expf(_mm256_sub_ps(_mm256_loadu_ps(x + i), + _mm256_set1_ps(max))); + _mm256_storeu_ps(y + i, val); + __m128 val2 = _mm_add_ps(_mm256_extractf128_ps(val, 1), + _mm256_castps256_ps128(val)); + val2 = _mm_add_ps(val2, _mm_movehl_ps(val2, val2)); + val2 = _mm_add_ss(val2, _mm_movehdup_ps(val2)); + sum += (ggml_float)_mm_cvtss_f32(val2); + } +#elif defined(__SSE2__) + for (; i + 3 < n; i += 4) { + __m128 val = ggml_v_expf(_mm_sub_ps(_mm_loadu_ps(x + i), + _mm_set1_ps(max))); + _mm_storeu_ps(y + i, val); +#if defined(__AVX__) || defined(__AVX2__) || defined(__AVX512F__) + val = _mm_add_ps(val, _mm_movehl_ps(val, val)); + val = _mm_add_ss(val, _mm_movehdup_ps(val)); +#else + __m128 tmp = _mm_shuffle_ps(val, val, _MM_SHUFFLE(2, 3, 0, 1)); + val = _mm_add_ps(val, tmp); + tmp = _mm_movehl_ps(tmp, val); + val = _mm_add_ss(val, tmp); +#endif + sum += (ggml_float)_mm_cvtss_f32(val); + } +#elif defined(__ARM_NEON) && defined(__aarch64__) + for (; i + 3 < n; i += 4) { + float32x4_t val = ggml_v_expf(vsubq_f32(vld1q_f32(x + i), + vdupq_n_f32(max))); + vst1q_f32(y + i, val); + sum += (ggml_float)vaddvq_f32(val); + } +#endif + for (; i < n; ++i) { + float val = expf(x[i] - max); + sum += (ggml_float)val; + y[i] = val; + } + return sum; +} + +inline static float ggml_silu_backward_f32(float x, float dy) { + const float s = 1.0f/(1.0f + expf(-x)); + return dy*s*(1.0f + x*(1.0f - s)); +} + +inline static void ggml_vec_silu_backward_f32(const int n, float * dx, const float * x, const float * dy) { + for (int i = 0; i < n; ++i) { + dx[i] = ggml_silu_backward_f32(x[i], dy[i]); + } +} + +inline static void ggml_vec_sum_f32(const int n, float * s, const float * x) { +#ifndef GGML_USE_ACCELERATE + ggml_float sum = 0.0; + for (int i = 0; i < n; ++i) { + sum += (ggml_float)x[i]; + } + *s = sum; +#else + vDSP_sve(x, 1, s, n); +#endif +} + +inline static void ggml_vec_sum_f32_ggf(const int n, ggml_float * s, const float * x) { + ggml_float sum = 0.0; + for (int i = 0; i < n; ++i) { + sum += (ggml_float)x[i]; + } + *s = sum; +} + +inline static void ggml_vec_sum_f16_ggf(const int n, float * s, const ggml_fp16_t * x) { + float sum = 0.0f; + for (int i = 0; i < n; ++i) { + sum += GGML_FP16_TO_FP32(x[i]); + } + *s = sum; +} + +inline static void ggml_vec_sum_bf16_ggf(const int n, float * s, const ggml_bf16_t * x) { + float sum = 0.0f; + for (int i = 0; i < n; ++i) { + sum += GGML_BF16_TO_FP32(x[i]); + } + *s = sum; +} + +inline static void ggml_vec_max_f32(const int n, float * s, const float * x) { +#ifndef GGML_USE_ACCELERATE + float max = -INFINITY; + for (int i = 0; i < n; ++i) { + max = MAX(max, x[i]); + } + *s = max; +#else + vDSP_maxv(x, 1, s, n); +#endif +} + +inline static void ggml_vec_norm_inv_f32(const int n, float * s, const float * x) { + ggml_vec_norm_f32(n, s, x); + *s = 1.f/(*s); +} + +inline static void ggml_vec_argmax_f32(const int n, int * s, const float * x) { + float max = -INFINITY; + int idx = 0; + for (int i = 0; i < n; ++i) { + max = MAX(max, x[i]); + if (max == x[i]) { idx = i; } + } + *s = idx; +} + +// +// data types +// + +static const char * GGML_OP_NAME[GGML_OP_COUNT] = { + "NONE", + + "DUP", + "ADD", + "ADD1", + "ACC", + "SUB", + "MUL", + "DIV", + "SQR", + "SQRT", + "LOG", + "SUM", + "SUM_ROWS", + "MEAN", + "ARGMAX", + "REPEAT", + "REPEAT_BACK", + "CONCAT", + "SILU_BACK", + "NORM", + "RMS_NORM", + "RMS_NORM_BACK", + "GROUP_NORM", + + "MUL_MAT", + "MUL_MAT_ID", + "OUT_PROD", + + "SCALE", + "SET", + "CPY", + "CONT", + "RESHAPE", + "VIEW", + "PERMUTE", + "TRANSPOSE", + "GET_ROWS", + "GET_ROWS_BACK", + "DIAG", + "DIAG_MASK_INF", + "DIAG_MASK_ZERO", + "SOFT_MAX", + "SOFT_MAX_BACK", + "ROPE", + "ROPE_BACK", + "CLAMP", + "CONV_TRANSPOSE_1D", + "IM2COL", + "CONV_TRANSPOSE_2D", + "POOL_1D", + "POOL_2D", + "UPSCALE", + "PAD", + "ARANGE", + "TIMESTEP_EMBEDDING", + "ARGSORT", + "LEAKY_RELU", + + "FLASH_ATTN_EXT", + "FLASH_ATTN_BACK", + "SSM_CONV", + "SSM_SCAN", + "WIN_PART", + "WIN_UNPART", + "GET_REL_POS", + "ADD_REL_POS", + + "UNARY", + + "MAP_UNARY", + "MAP_BINARY", + + "MAP_CUSTOM1_F32", + "MAP_CUSTOM2_F32", + "MAP_CUSTOM3_F32", + + "MAP_CUSTOM1", + "MAP_CUSTOM2", + "MAP_CUSTOM3", + + "CROSS_ENTROPY_LOSS", + "CROSS_ENTROPY_LOSS_BACK", +}; + +static_assert(GGML_OP_COUNT == 74, "GGML_OP_COUNT != 74"); + +static const char * GGML_OP_SYMBOL[GGML_OP_COUNT] = { + "none", + + "x", + "x+y", + "x+y", + "view(x,nb,offset)+=y->x", + "x-y", + "x*y", + "x/y", + "x^2", + "√x", + "log(x)", + "Σx", + "Σx_k", + "Σx/n", + "argmax(x)", + "repeat(x)", + "repeat_back(x)", + "concat(x, y)", + "silu_back(x)", + "norm(x)", + "rms_norm(x)", + "rms_norm_back(x)", + "group_norm(x)", + + "X*Y", + "X[i]*Y", + "X*Y", + + "x*v", + "y-\\>view(x)", + "x-\\>y", + "cont(x)", + "reshape(x)", + "view(x)", + "permute(x)", + "transpose(x)", + "get_rows(x)", + "get_rows_back(x)", + "diag(x)", + "diag_mask_inf(x)", + "diag_mask_zero(x)", + "soft_max(x)", + "soft_max_back(x)", + "rope(x)", + "rope_back(x)", + "clamp(x)", + "conv_transpose_1d(x)", + "im2col(x)", + "conv_transpose_2d(x)", + "pool_1d(x)", + "pool_2d(x)", + "upscale(x)", + "pad(x)", + "arange(start, stop, step)", + "timestep_embedding(timesteps, dim, max_period)", + "argsort(x)", + "leaky_relu(x)", + + "flash_attn_ext(x)", + "flash_attn_back(x)", + "ssm_conv(x)", + "ssm_scan(x)", + "win_part(x)", + "win_unpart(x)", + "get_rel_pos(x)", + "add_rel_pos(x)", + + "unary(x)", + + "f(x)", + "f(x,y)", + + "custom_f32(x)", + "custom_f32(x,y)", + "custom_f32(x,y,z)", + + "custom(x)", + "custom(x,y)", + "custom(x,y,z)", + + "cross_entropy_loss(x,y)", + "cross_entropy_loss_back(x,y)", +}; + +static_assert(GGML_OP_COUNT == 74, "GGML_OP_COUNT != 74"); + +static_assert(GGML_OP_POOL_COUNT == 2, "GGML_OP_POOL_COUNT != 2"); + + +static const char * GGML_UNARY_OP_NAME[GGML_UNARY_OP_COUNT] = { + "ABS", + "SGN", + "NEG", + "STEP", + "TANH", + "ELU", + "RELU", + "SIGMOID", + "GELU", + "GELU_QUICK", + "SILU", + "HARDSWISH", + "HARDSIGMOID", +}; + +static_assert(GGML_UNARY_OP_COUNT == 13, "GGML_UNARY_OP_COUNT != 13"); + + +static_assert(sizeof(struct ggml_object)%GGML_MEM_ALIGN == 0, "ggml_object size must be a multiple of GGML_MEM_ALIGN"); +static_assert(sizeof(struct ggml_tensor)%GGML_MEM_ALIGN == 0, "ggml_tensor size must be a multiple of GGML_MEM_ALIGN"); + +// +// NUMA support +// + +#define GGML_NUMA_MAX_NODES 8 +#define GGML_NUMA_MAX_CPUS 512 + +struct ggml_numa_node { + uint32_t cpus[GGML_NUMA_MAX_CPUS]; // hardware threads on this node + uint32_t n_cpus; +}; + +struct ggml_numa_nodes { + enum ggml_numa_strategy numa_strategy; + struct ggml_numa_node nodes[GGML_NUMA_MAX_NODES]; + uint32_t n_nodes; + uint32_t total_cpus; // hardware threads on system + uint32_t current_node; // node on which main process is execting +#if defined(__gnu_linux__) + cpu_set_t cpuset; // cpuset from numactl +#else + uint32_t cpuset; // no NUMA support outside of Linux at this time. Use a portable datatype +#endif +}; + +// +// ggml state +// + +struct ggml_state { + struct ggml_context_container contexts[GGML_MAX_CONTEXTS]; + struct ggml_numa_nodes numa; +}; + +// global state +static struct ggml_state g_state; +static atomic_flag g_state_critical = ATOMIC_FLAG_INIT; + +// critical section via spin lock +inline static void ggml_critical_section_start(void) { + while (atomic_flag_test_and_set(&g_state_critical)) { + // spin + sched_yield(); + } +} + +#ifdef GGML_USE_OPENMP +static void ggml_barrier(struct ggml_compute_state_shared * shared) { + if (shared->n_threads == 1) { + return; + } + + #pragma omp barrier +} +#else +static void ggml_barrier(struct ggml_compute_state_shared * shared) { + if (shared->n_threads == 1) { + return; + } + + atomic_int * n_barrier = &shared->n_barrier; + atomic_int * n_barrier_passed = &shared->n_barrier_passed; + + int n_threads = shared->n_threads; + int passed_old = atomic_load(n_barrier_passed); + + if (atomic_fetch_add(n_barrier, 1) == n_threads - 1) { + // last thread + atomic_store(n_barrier, 0); + atomic_fetch_add(n_barrier_passed, 1); + } else { + // wait for other threads + const int n_spin_before_sleep = 100000; + while (true) { + for (int i = 0; i < n_spin_before_sleep; i++) { + if (atomic_load(n_barrier_passed) != passed_old) { + return; + } + #if defined(__SSE3__) + _mm_pause(); + #elif defined __ARM_NEON + __asm__ __volatile__("isb\n"); + #endif + } + sched_yield(); + } + } +} +#endif + +// TODO: make this somehow automatically executed +// some sort of "sentry" mechanism +inline static void ggml_critical_section_end(void) { + atomic_flag_clear(&g_state_critical); +} + +#if defined(__gnu_linux__) +static cpu_set_t ggml_get_numa_affinity(void) { + cpu_set_t cpuset; + pthread_t thread; + thread = pthread_self(); + CPU_ZERO(&cpuset); + pthread_getaffinity_np(thread, sizeof(cpu_set_t), &cpuset); + return cpuset; +} +#else +static uint32_t ggml_get_numa_affinity(void) { + return 0; // no NUMA support +} +#endif + +void ggml_numa_init(enum ggml_numa_strategy numa_flag) { + if (g_state.numa.n_nodes > 0) { + fprintf(stderr, "ggml_numa_init: NUMA already initialized\n"); + + return; + } + +#if defined(__gnu_linux__) + struct stat st; + char path[256]; + int rv; + + // set numa scheme + g_state.numa.numa_strategy = numa_flag; + + GGML_PRINT_DEBUG("numa strategy %u\n",g_state.numa.numa_strategy); + + g_state.numa.cpuset = ggml_get_numa_affinity(); + + // enumerate nodes + while (g_state.numa.n_nodes < GGML_NUMA_MAX_NODES) { + rv = snprintf(path, sizeof(path), "/sys/devices/system/node/node%u", g_state.numa.n_nodes); + GGML_ASSERT(rv > 0 && (unsigned)rv < sizeof(path)); + if (stat(path, &st) != 0) { break; } + ++g_state.numa.n_nodes; + } + + // enumerate CPUs + while (g_state.numa.total_cpus < GGML_NUMA_MAX_CPUS) { + rv = snprintf(path, sizeof(path), "/sys/devices/system/cpu/cpu%u", g_state.numa.total_cpus); + GGML_ASSERT(rv > 0 && (unsigned)rv < sizeof(path)); + if (stat(path, &st) != 0) { break; } + ++g_state.numa.total_cpus; + } + + GGML_PRINT_DEBUG("found %u numa nodes, %u CPUs\n", g_state.numa.n_nodes, g_state.numa.total_cpus); + + // figure out which node we're on + uint current_cpu; + int getcpu_ret = 0; +#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 28) || defined(__COSMOPOLITAN__) + getcpu_ret = getcpu(¤t_cpu, &g_state.numa.current_node); +#else + // old glibc doesn't have a wrapper for this call. Fall back on direct syscall +# if !defined(SYS_getcpu) && defined(SYS_get_cpu) +# define SYS_getcpu SYS_get_cpu // some older glibc versions use this name +# endif + getcpu_ret = syscall(SYS_getcpu, ¤t_cpu, &g_state.numa.current_node); +#endif + + if (g_state.numa.n_nodes < 1 || g_state.numa.total_cpus < 1 || getcpu_ret != 0) { + g_state.numa.n_nodes = 0; + return; + } + + GGML_PRINT_DEBUG("found our process on numa node %u, CPU %u\n", g_state.numa.current_node, current_cpu); + + for (uint32_t n = 0; n < g_state.numa.n_nodes; ++n) { + struct ggml_numa_node * node = &g_state.numa.nodes[n]; + GGML_PRINT_DEBUG("CPUs on node %u:", n); + node->n_cpus = 0; + for (uint32_t c = 0; c < g_state.numa.total_cpus; ++c) { + rv = snprintf(path, sizeof(path), "/sys/devices/system/node/node%u/cpu%u", n, c); + GGML_ASSERT(rv > 0 && (unsigned)rv < sizeof(path)); + if (stat(path, &st) == 0) { + node->cpus[node->n_cpus++] = c; + GGML_PRINT_DEBUG(" %u", c); + } + } + GGML_PRINT_DEBUG("\n"); + } + + if (ggml_is_numa()) { + FILE *fptr = fopen("/proc/sys/kernel/numa_balancing", "r"); + if (fptr != NULL) { + char buf[42]; + if (fgets(buf, sizeof(buf), fptr) && strncmp(buf, "0\n", sizeof(buf)) != 0) { + GGML_PRINT("WARNING: /proc/sys/kernel/numa_balancing is enabled, this has been observed to impair performance\n"); + } + fclose(fptr); + } + } +#else + UNUSED(numa_flag); + // TODO +#endif +} + +bool ggml_is_numa(void) { + return g_state.numa.n_nodes > 1; +} + +//////////////////////////////////////////////////////////////////////////////// + +void ggml_print_object(const struct ggml_object * obj) { + GGML_PRINT(" - ggml_object: type = %d, offset = %zu, size = %zu, next = %p\n", + obj->type, obj->offs, obj->size, (const void *) obj->next); +} + +void ggml_print_objects(const struct ggml_context * ctx) { + struct ggml_object * obj = ctx->objects_begin; + + GGML_PRINT("%s: objects in context %p:\n", __func__, (const void *) ctx); + + while (obj != NULL) { + ggml_print_object(obj); + obj = obj->next; + } + + GGML_PRINT("%s: --- end ---\n", __func__); +} + +GGML_CALL int64_t ggml_nelements(const struct ggml_tensor * tensor) { + static_assert(GGML_MAX_DIMS == 4, "GGML_MAX_DIMS is not 4 - update this function"); + + return tensor->ne[0]*tensor->ne[1]*tensor->ne[2]*tensor->ne[3]; +} + +GGML_CALL int64_t ggml_nrows(const struct ggml_tensor * tensor) { + static_assert(GGML_MAX_DIMS == 4, "GGML_MAX_DIMS is not 4 - update this function"); + + return tensor->ne[1]*tensor->ne[2]*tensor->ne[3]; +} + +GGML_CALL size_t ggml_nbytes(const struct ggml_tensor * tensor) { + size_t nbytes; + size_t blck_size = ggml_blck_size(tensor->type); + if (blck_size == 1) { + nbytes = ggml_type_size(tensor->type); + for (int i = 0; i < GGML_MAX_DIMS; ++i) { + nbytes += (tensor->ne[i] - 1)*tensor->nb[i]; + } + } + else { + nbytes = tensor->ne[0]*tensor->nb[0]/blck_size; + for (int i = 1; i < GGML_MAX_DIMS; ++i) { + nbytes += (tensor->ne[i] - 1)*tensor->nb[i]; + } + } + + return nbytes; +} + +size_t ggml_nbytes_pad(const struct ggml_tensor * tensor) { + return GGML_PAD(ggml_nbytes(tensor), GGML_MEM_ALIGN); +} + +GGML_CALL int64_t ggml_blck_size(enum ggml_type type) { + return type_traits[type].blck_size; +} + +GGML_CALL size_t ggml_type_size(enum ggml_type type) { + return type_traits[type].type_size; +} + +GGML_CALL size_t ggml_row_size(enum ggml_type type, int64_t ne) { + assert(ne % ggml_blck_size(type) == 0); + return ggml_type_size(type)*ne/ggml_blck_size(type); +} + +double ggml_type_sizef(enum ggml_type type) { + return ((double)(type_traits[type].type_size))/type_traits[type].blck_size; +} + +GGML_CALL const char * ggml_type_name(enum ggml_type type) { + return type_traits[type].type_name; +} + +GGML_CALL bool ggml_is_quantized(enum ggml_type type) { + return type_traits[type].is_quantized; +} + +GGML_CALL const char * ggml_op_name(enum ggml_op op) { + return GGML_OP_NAME[op]; +} + +const char * ggml_op_symbol(enum ggml_op op) { + return GGML_OP_SYMBOL[op]; +} + +const char * ggml_unary_op_name(enum ggml_unary_op op) { + return GGML_UNARY_OP_NAME[op]; +} + +GGML_CALL const char * ggml_op_desc(const struct ggml_tensor * t) { + if (t->op == GGML_OP_UNARY) { + enum ggml_unary_op uop = ggml_get_unary_op(t); + return ggml_unary_op_name(uop); + } + return ggml_op_name(t->op); +} + +GGML_CALL size_t ggml_element_size(const struct ggml_tensor * tensor) { + return ggml_type_size(tensor->type); +} + +bool ggml_is_scalar(const struct ggml_tensor * tensor) { + static_assert(GGML_MAX_DIMS == 4, "GGML_MAX_DIMS is not 4 - update this function"); + + return tensor->ne[0] == 1 && tensor->ne[1] == 1 && tensor->ne[2] == 1 && tensor->ne[3] == 1; +} + +bool ggml_is_vector(const struct ggml_tensor * tensor) { + static_assert(GGML_MAX_DIMS == 4, "GGML_MAX_DIMS is not 4 - update this function"); + + return tensor->ne[1] == 1 && tensor->ne[2] == 1 && tensor->ne[3] == 1; +} + +bool ggml_is_matrix(const struct ggml_tensor * tensor) { + static_assert(GGML_MAX_DIMS == 4, "GGML_MAX_DIMS is not 4 - update this function"); + + return tensor->ne[2] == 1 && tensor->ne[3] == 1; +} + +bool ggml_is_3d(const struct ggml_tensor * tensor) { + return tensor->ne[3] == 1; +} + +int ggml_n_dims(const struct ggml_tensor * tensor) { + for (int i = GGML_MAX_DIMS - 1; i >= 1; --i) { + if (tensor->ne[i] > 1) { + return i + 1; + } + } + return 1; +} + +static inline bool ggml_can_mul_mat(const struct ggml_tensor * t0, const struct ggml_tensor * t1) { + static_assert(GGML_MAX_DIMS == 4, "GGML_MAX_DIMS is not 4 - update this function"); + + return (t0->ne[0] == t1->ne[0]) && + (t1->ne[2]%t0->ne[2] == 0) && // verify t0 is broadcastable + (t1->ne[3]%t0->ne[3] == 0); +} + +static inline bool ggml_can_out_prod(const struct ggml_tensor * t0, const struct ggml_tensor * t1) { + static_assert(GGML_MAX_DIMS == 4, "GGML_MAX_DIMS is not 4 - update this function"); + + return (t0->ne[1] == t1->ne[1]) && + (t1->ne[2]%t0->ne[2] == 0) && // verify t0 is broadcastable + (t1->ne[3]%t0->ne[3] == 0); +} + +enum ggml_type ggml_ftype_to_ggml_type(enum ggml_ftype ftype) { + enum ggml_type wtype = GGML_TYPE_COUNT; + + switch (ftype) { + case GGML_FTYPE_ALL_F32: wtype = GGML_TYPE_F32; break; + case GGML_FTYPE_MOSTLY_F16: wtype = GGML_TYPE_F16; break; + case GGML_FTYPE_MOSTLY_BF16: wtype = GGML_TYPE_BF16; break; + case GGML_FTYPE_MOSTLY_Q4_0: wtype = GGML_TYPE_Q4_0; break; + case GGML_FTYPE_MOSTLY_Q4_1: wtype = GGML_TYPE_Q4_1; break; + case GGML_FTYPE_MOSTLY_Q5_0: wtype = GGML_TYPE_Q5_0; break; + case GGML_FTYPE_MOSTLY_Q5_1: wtype = GGML_TYPE_Q5_1; break; + case GGML_FTYPE_MOSTLY_Q8_0: wtype = GGML_TYPE_Q8_0; break; + case GGML_FTYPE_MOSTLY_Q2_K: wtype = GGML_TYPE_Q2_K; break; + case GGML_FTYPE_MOSTLY_Q3_K: wtype = GGML_TYPE_Q3_K; break; + case GGML_FTYPE_MOSTLY_Q4_K: wtype = GGML_TYPE_Q4_K; break; + case GGML_FTYPE_MOSTLY_Q5_K: wtype = GGML_TYPE_Q5_K; break; + case GGML_FTYPE_MOSTLY_Q6_K: wtype = GGML_TYPE_Q6_K; break; + case GGML_FTYPE_MOSTLY_IQ2_XXS: wtype = GGML_TYPE_IQ2_XXS; break; + case GGML_FTYPE_MOSTLY_IQ2_XS: wtype = GGML_TYPE_IQ2_XS; break; + case GGML_FTYPE_MOSTLY_IQ3_XXS: wtype = GGML_TYPE_IQ3_XXS; break; + case GGML_FTYPE_MOSTLY_IQ1_S: wtype = GGML_TYPE_IQ1_S; break; + case GGML_FTYPE_MOSTLY_IQ1_M: wtype = GGML_TYPE_IQ1_M; break; + case GGML_FTYPE_MOSTLY_IQ1_BN: wtype = GGML_TYPE_IQ1_BN; break; + case GGML_FTYPE_MOSTLY_IQ2_BN: wtype = GGML_TYPE_IQ2_BN; break; + case GGML_FTYPE_MOSTLY_IQ4_NL: wtype = GGML_TYPE_IQ4_NL; break; + case GGML_FTYPE_MOSTLY_IQ4_XS: wtype = GGML_TYPE_IQ4_XS; break; + case GGML_FTYPE_MOSTLY_IQ3_S: wtype = GGML_TYPE_IQ3_S; break; + case GGML_FTYPE_MOSTLY_IQ2_S: wtype = GGML_TYPE_IQ2_S; break; + case GGML_FTYPE_MOSTLY_Q4_0_4_4: wtype = GGML_TYPE_Q4_0_4_4; break; + case GGML_FTYPE_MOSTLY_Q4_0_4_8: wtype = GGML_TYPE_Q4_0_4_8; break; + case GGML_FTYPE_MOSTLY_Q4_0_8_8: wtype = GGML_TYPE_Q4_0_8_8; break; + case GGML_FTYPE_UNKNOWN: wtype = GGML_TYPE_COUNT; break; + case GGML_FTYPE_MOSTLY_Q4_1_SOME_F16: wtype = GGML_TYPE_COUNT; break; + } + + GGML_ASSERT(wtype != GGML_TYPE_COUNT); + + return wtype; +} + +size_t ggml_tensor_overhead(void) { + return GGML_OBJECT_SIZE + GGML_TENSOR_SIZE; +} + +GGML_CALL bool ggml_is_transposed(const struct ggml_tensor * tensor) { + return tensor->nb[0] > tensor->nb[1]; +} + +static bool ggml_is_contiguous_n(const struct ggml_tensor * tensor, int n) { + size_t next_nb = ggml_type_size(tensor->type); + if (tensor->ne[0] != ggml_blck_size(tensor->type) && tensor->nb[0] != next_nb) { + return false; + } + next_nb *= tensor->ne[0]/ggml_blck_size(tensor->type); + for (int i = 1; i < GGML_MAX_DIMS; i++) { + if (tensor->ne[i] != 1) { + if (i > n) { + if (tensor->nb[i] != next_nb) { + return false; + } + next_nb *= tensor->ne[i]; + } else { + // this dimension does not need to be contiguous + next_nb = tensor->ne[i]*tensor->nb[i]; + } + } + } + return true; +} + +GGML_CALL bool ggml_is_contiguous(const struct ggml_tensor * tensor) { + return ggml_is_contiguous_0(tensor); +} + +GGML_CALL bool ggml_is_contiguous_0(const struct ggml_tensor * tensor) { + return ggml_is_contiguous_n(tensor, 0); +} + +GGML_CALL bool ggml_is_contiguous_1(const struct ggml_tensor * tensor) { + return ggml_is_contiguous_n(tensor, 1); +} + +GGML_CALL bool ggml_is_contiguous_2(const struct ggml_tensor * tensor) { + return ggml_is_contiguous_n(tensor, 2); +} + +GGML_CALL bool ggml_is_permuted(const struct ggml_tensor * tensor) { + static_assert(GGML_MAX_DIMS == 4, "GGML_MAX_DIMS is not 4 - update this function"); + + return tensor->nb[0] > tensor->nb[1] || tensor->nb[1] > tensor->nb[2] || tensor->nb[2] > tensor->nb[3]; +} + +static inline bool ggml_is_padded_1d(const struct ggml_tensor * tensor) { + static_assert(GGML_MAX_DIMS == 4, "GGML_MAX_DIMS is not 4 - update this function"); + + return + tensor->nb[0] == ggml_type_size(tensor->type) && + tensor->nb[2] == tensor->nb[1]*tensor->ne[1] && + tensor->nb[3] == tensor->nb[2]*tensor->ne[2]; +} + +GGML_CALL bool ggml_is_empty(const struct ggml_tensor * tensor) { + for (int i = 0; i < GGML_MAX_DIMS; ++i) { + if (tensor->ne[i] == 0) { + // empty if any dimension has no elements + return true; + } + } + return false; +} + +bool ggml_are_same_shape(const struct ggml_tensor * t0, const struct ggml_tensor * t1) { + static_assert(GGML_MAX_DIMS == 4, "GGML_MAX_DIMS is not 4 - update this function"); + + return + (t0->ne[0] == t1->ne[0]) && + (t0->ne[1] == t1->ne[1]) && + (t0->ne[2] == t1->ne[2]) && + (t0->ne[3] == t1->ne[3]); +} + +bool ggml_are_same_stride(const struct ggml_tensor * t0, const struct ggml_tensor * t1) { + static_assert(GGML_MAX_DIMS == 4, "GGML_MAX_DIMS is not 4 - update this function"); + + return + (t0->nb[0] == t1->nb[0]) && + (t0->nb[1] == t1->nb[1]) && + (t0->nb[2] == t1->nb[2]) && + (t0->nb[3] == t1->nb[3]); +} + +// check if t1 can be represented as a repeatition of t0 +bool ggml_can_repeat(const struct ggml_tensor * t0, const struct ggml_tensor * t1) { + static_assert(GGML_MAX_DIMS == 4, "GGML_MAX_DIMS is not 4 - update this function"); + + return ggml_is_empty(t0) ? ggml_is_empty(t1) : + (t1->ne[0]%t0->ne[0] == 0) && + (t1->ne[1]%t0->ne[1] == 0) && + (t1->ne[2]%t0->ne[2] == 0) && + (t1->ne[3]%t0->ne[3] == 0); +} + +static inline bool ggml_can_repeat_rows(const struct ggml_tensor * t0, const struct ggml_tensor * t1) { + static_assert(GGML_MAX_DIMS == 4, "GGML_MAX_DIMS is not 4 - update this function"); + + return (t0->ne[0] == t1->ne[0]) && ggml_can_repeat(t0, t1); +} + +static inline int ggml_up32(int n) { + return (n + 31) & ~31; +} + +//static inline int ggml_up64(int n) { +// return (n + 63) & ~63; +//} + +static inline int ggml_up(int n, int m) { + // assert m is a power of 2 + GGML_ASSERT((m & (m - 1)) == 0); + return (n + m - 1) & ~(m - 1); +} + +// assert that pointer is aligned to GGML_MEM_ALIGN +#define ggml_assert_aligned(ptr) \ + GGML_ASSERT(((uintptr_t) (ptr))%GGML_MEM_ALIGN == 0) + +//////////////////////////////////////////////////////////////////////////////// + +struct ggml_context * ggml_init(struct ggml_init_params params) { + // make this function thread safe + ggml_critical_section_start(); + + static bool is_first_call = true; + + if (is_first_call) { + // initialize time system (required on Windows) + ggml_time_init(); + + // initialize GELU, Quick GELU, SILU and EXP F32 tables + { + const uint64_t t_start = ggml_time_us(); UNUSED(t_start); + + for (int i = 0; i < (1 << 16); ++i) { + union { + uint16_t u16; + ggml_fp16_t fp16; + } u = {i}; + float f = ggml_table_f32_f16[i] = GGML_COMPUTE_FP16_TO_FP32(u.fp16); + ggml_table_gelu_f16[i] = GGML_FP32_TO_FP16(ggml_gelu_f32(f)); + ggml_table_gelu_quick_f16[i] = GGML_FP32_TO_FP16(ggml_gelu_quick_f32(f)); + } + + const uint64_t t_end = ggml_time_us(); UNUSED(t_end); + + GGML_PRINT_DEBUG("%s: GELU, Quick GELU, SILU and EXP tables initialized in %f ms\n", __func__, (t_end - t_start)/1000.0f); + } + + // initialize g_state + { + const uint64_t t_start = ggml_time_us(); UNUSED(t_start); + + g_state = (struct ggml_state) { + /*.contexts =*/ { { 0 } }, + /*.numa =*/ { + .n_nodes = 0, + .total_cpus = 0, + }, + }; + + for (int i = 0; i < GGML_MAX_CONTEXTS; ++i) { + g_state.contexts[i].used = false; + } + + const uint64_t t_end = ggml_time_us(); UNUSED(t_end); + + GGML_PRINT_DEBUG("%s: g_state initialized in %f ms\n", __func__, (t_end - t_start)/1000.0f); + } + + is_first_call = false; + } + + // find non-used context in g_state + struct ggml_context * ctx = NULL; + + for (int i = 0; i < GGML_MAX_CONTEXTS; i++) { + if (!g_state.contexts[i].used) { + g_state.contexts[i].used = true; + ctx = &g_state.contexts[i].context; + + GGML_PRINT_DEBUG("%s: found unused context %d\n", __func__, i); + break; + } + } + + if (ctx == NULL) { + GGML_PRINT_DEBUG("%s: no unused context found\n", __func__); + + ggml_critical_section_end(); + + return NULL; + } + + // allow to call ggml_init with 0 size + if (params.mem_size == 0) { + params.mem_size = GGML_MEM_ALIGN; + } + + const size_t mem_size = params.mem_buffer ? params.mem_size : GGML_PAD(params.mem_size, GGML_MEM_ALIGN); + + *ctx = (struct ggml_context) { + /*.mem_size =*/ mem_size, + /*.mem_buffer =*/ params.mem_buffer ? params.mem_buffer : GGML_ALIGNED_MALLOC(mem_size), + /*.mem_buffer_owned =*/ params.mem_buffer ? false : true, + /*.no_alloc =*/ params.no_alloc, + /*.no_alloc_save =*/ params.no_alloc, + /*.n_objects =*/ 0, + /*.objects_begin =*/ NULL, + /*.objects_end =*/ NULL, + /*.scratch =*/ { 0, 0, NULL, }, + /*.scratch_save =*/ { 0, 0, NULL, }, + }; + + GGML_ASSERT(ctx->mem_buffer != NULL); + + ggml_assert_aligned(ctx->mem_buffer); + + GGML_PRINT_DEBUG("%s: context initialized\n", __func__); + + ggml_critical_section_end(); + + return ctx; +} + +void ggml_free(struct ggml_context * ctx) { + if (ctx == NULL) { + return; + } + + // make this function thread safe + ggml_critical_section_start(); + + bool found = false; + + for (int i = 0; i < GGML_MAX_CONTEXTS; i++) { + if (&g_state.contexts[i].context == ctx) { + g_state.contexts[i].used = false; + + GGML_PRINT_DEBUG("%s: context %d has been freed. memory used = %zu\n", + __func__, i, ggml_used_mem(ctx)); + + if (ctx->mem_buffer_owned) { + GGML_ALIGNED_FREE(ctx->mem_buffer); + } + + found = true; + break; + } + } + + if (!found) { + GGML_PRINT_DEBUG("%s: context not found\n", __func__); + } + + ggml_critical_section_end(); +} + +size_t ggml_used_mem(const struct ggml_context * ctx) { + return ctx->objects_end == NULL ? 0 : ctx->objects_end->offs + ctx->objects_end->size; +} + +size_t ggml_set_scratch(struct ggml_context * ctx, struct ggml_scratch scratch) { + const size_t result = ctx->scratch.data ? ctx->scratch.offs : 0; + + ctx->scratch = scratch; + + return result; +} + +bool ggml_get_no_alloc(struct ggml_context * ctx) { + return ctx->no_alloc; +} + +void ggml_set_no_alloc(struct ggml_context * ctx, bool no_alloc) { + ctx->no_alloc = no_alloc; +} + +void * ggml_get_mem_buffer(const struct ggml_context * ctx) { + return ctx->mem_buffer; +} + +size_t ggml_get_mem_size(const struct ggml_context * ctx) { + return ctx->mem_size; +} + +size_t ggml_get_max_tensor_size(const struct ggml_context * ctx) { + size_t max_size = 0; + + for (struct ggml_tensor * tensor = ggml_get_first_tensor(ctx); tensor != NULL; tensor = ggml_get_next_tensor(ctx, tensor)) { + size_t bytes = ggml_nbytes(tensor); + max_size = MAX(max_size, bytes); + } + + return max_size; +} + +// IMPORTANT: +// when creating "opt" tensors, always save and load the scratch buffer +// this is an error prone process, but it is necessary to support inplace +// operators when using scratch buffers +// TODO: implement a better way +static void ggml_scratch_save(struct ggml_context * ctx) { + // this is needed to allow opt tensors to store their data + // TODO: again, need to find a better way + ctx->no_alloc_save = ctx->no_alloc; + ctx->no_alloc = false; + + ctx->scratch_save = ctx->scratch; + ctx->scratch.data = NULL; +} + +static void ggml_scratch_load(struct ggml_context * ctx) { + ctx->no_alloc = ctx->no_alloc_save; + + ctx->scratch = ctx->scratch_save; +} + +//////////////////////////////////////////////////////////////////////////////// + +static struct ggml_object * ggml_new_object(struct ggml_context * ctx, enum ggml_object_type type, size_t size) { + // always insert objects at the end of the context's memory pool + struct ggml_object * obj_cur = ctx->objects_end; + + const size_t cur_offs = obj_cur == NULL ? 0 : obj_cur->offs; + const size_t cur_size = obj_cur == NULL ? 0 : obj_cur->size; + const size_t cur_end = cur_offs + cur_size; + + // align to GGML_MEM_ALIGN + size_t size_needed = GGML_PAD(size, GGML_MEM_ALIGN); + + char * const mem_buffer = ctx->mem_buffer; + struct ggml_object * const obj_new = (struct ggml_object *)(mem_buffer + cur_end); + + if (cur_end + size_needed + GGML_OBJECT_SIZE > ctx->mem_size) { + GGML_PRINT("%s: not enough space in the context's memory pool (needed %zu, available %zu)\n", + __func__, cur_end + size_needed, ctx->mem_size); + assert(false); + return NULL; + } + + *obj_new = (struct ggml_object) { + .offs = cur_end + GGML_OBJECT_SIZE, + .size = size_needed, + .next = NULL, + .type = type, + }; + + ggml_assert_aligned(mem_buffer + obj_new->offs); + + if (obj_cur != NULL) { + obj_cur->next = obj_new; + } else { + // this is the first object in this context + ctx->objects_begin = obj_new; + } + + ctx->objects_end = obj_new; + + //printf("%s: inserted new object at %zu, size = %zu\n", __func__, cur_end, obj_new->size); + + return obj_new; +} + +static struct ggml_tensor * ggml_new_tensor_impl( + struct ggml_context * ctx, + enum ggml_type type, + int n_dims, + const int64_t * ne, + struct ggml_tensor * view_src, + size_t view_offs) { + + assert(n_dims >= 1 && n_dims <= GGML_MAX_DIMS); + + // find the base tensor and absolute offset + if (view_src != NULL && view_src->view_src != NULL) { + view_offs += view_src->view_offs; + view_src = view_src->view_src; + } + + size_t data_size = ggml_row_size(type, ne[0]); + for (int i = 1; i < n_dims; i++) { + data_size *= ne[i]; + } + + GGML_ASSERT(view_src == NULL || data_size == 0 || data_size + view_offs <= ggml_nbytes(view_src)); + + void * data = view_src != NULL ? view_src->data : NULL; + if (data != NULL) { + data = (char *) data + view_offs; + } + + size_t obj_alloc_size = 0; + + if (view_src == NULL && !ctx->no_alloc) { + if (ctx->scratch.data != NULL) { + // allocate tensor data in the scratch buffer + if (ctx->scratch.offs + data_size > ctx->scratch.size) { + GGML_PRINT("%s: not enough space in the scratch memory pool (needed %zu, available %zu)\n", + __func__, ctx->scratch.offs + data_size, ctx->scratch.size); + assert(false); + return NULL; + } + + data = (char * const) ctx->scratch.data + ctx->scratch.offs; + + ctx->scratch.offs += data_size; + } else { + // allocate tensor data in the context's memory pool + obj_alloc_size = data_size; + } + } + + struct ggml_object * const obj_new = ggml_new_object(ctx, GGML_OBJECT_TYPE_TENSOR, GGML_TENSOR_SIZE + obj_alloc_size); + + // TODO: for recoverable errors, we would need to free the data allocated from the scratch buffer here + + struct ggml_tensor * const result = (struct ggml_tensor *)((char *)ctx->mem_buffer + obj_new->offs); + +#ifdef __clang__ + // temporary until ggml_tensor::backend is removed + #pragma clang diagnostic push + #pragma clang diagnostic ignored "-Wdeprecated-declarations" +#endif + + *result = (struct ggml_tensor) { + /*.type =*/ type, + /*.backend =*/ GGML_BACKEND_TYPE_CPU, + /*.buffer =*/ NULL, + /*.ne =*/ { 1, 1, 1, 1 }, + /*.nb =*/ { 0, 0, 0, 0 }, + /*.op =*/ GGML_OP_NONE, + /*.op_params =*/ { 0 }, + /*.flags =*/ 0, + /*.grad =*/ NULL, + /*.src =*/ { NULL }, + /*.view_src =*/ view_src, + /*.view_offs =*/ view_offs, + /*.data =*/ obj_alloc_size > 0 ? (void *)(result + 1) : data, + /*.name =*/ { 0 }, + /*.extra =*/ NULL, + ///*.padding =*/ { 0 }, + }; + +#ifdef __clang__ + #pragma clang diagnostic pop +#endif + + // TODO: this should not be needed as long as we don't rely on aligned SIMD loads + //ggml_assert_aligned(result->data); + + for (int i = 0; i < n_dims; i++) { + result->ne[i] = ne[i]; + } + + result->nb[0] = ggml_type_size(type); + result->nb[1] = result->nb[0]*(result->ne[0]/ggml_blck_size(type)); + for (int i = 2; i < GGML_MAX_DIMS; i++) { + result->nb[i] = result->nb[i - 1]*result->ne[i - 1]; + } + + ctx->n_objects++; + + return result; +} + +struct ggml_tensor * ggml_new_tensor( + struct ggml_context * ctx, + enum ggml_type type, + int n_dims, + const int64_t * ne) { + return ggml_new_tensor_impl(ctx, type, n_dims, ne, NULL, 0); +} + +struct ggml_tensor * ggml_new_tensor_1d( + struct ggml_context * ctx, + enum ggml_type type, + int64_t ne0) { + return ggml_new_tensor(ctx, type, 1, &ne0); +} + +struct ggml_tensor * ggml_new_tensor_2d( + struct ggml_context * ctx, + enum ggml_type type, + int64_t ne0, + int64_t ne1) { + const int64_t ne[2] = { ne0, ne1 }; + return ggml_new_tensor(ctx, type, 2, ne); +} + +struct ggml_tensor * ggml_new_tensor_3d( + struct ggml_context * ctx, + enum ggml_type type, + int64_t ne0, + int64_t ne1, + int64_t ne2) { + const int64_t ne[3] = { ne0, ne1, ne2 }; + return ggml_new_tensor(ctx, type, 3, ne); +} + +struct ggml_tensor * ggml_new_tensor_4d( + struct ggml_context * ctx, + enum ggml_type type, + int64_t ne0, + int64_t ne1, + int64_t ne2, + int64_t ne3) { + const int64_t ne[4] = { ne0, ne1, ne2, ne3 }; + return ggml_new_tensor(ctx, type, 4, ne); +} + +struct ggml_tensor * ggml_new_i32(struct ggml_context * ctx, int32_t value) { + ggml_scratch_save(ctx); + + struct ggml_tensor * result = ggml_new_tensor_1d(ctx, GGML_TYPE_I32, 1); + + ggml_scratch_load(ctx); + + ggml_set_i32(result, value); + + return result; +} + +struct ggml_tensor * ggml_new_f32(struct ggml_context * ctx, float value) { + ggml_scratch_save(ctx); + + struct ggml_tensor * result = ggml_new_tensor_1d(ctx, GGML_TYPE_F32, 1); + + ggml_scratch_load(ctx); + + ggml_set_f32(result, value); + + return result; +} + +struct ggml_tensor * ggml_dup_tensor(struct ggml_context * ctx, const struct ggml_tensor * src) { + return ggml_new_tensor(ctx, src->type, GGML_MAX_DIMS, src->ne); +} + +static void ggml_set_op_params(struct ggml_tensor * tensor, const void * params, size_t params_size) { + GGML_ASSERT(tensor != NULL); // silence -Warray-bounds warnings + assert(params_size <= GGML_MAX_OP_PARAMS); + memcpy(tensor->op_params, params, params_size); +} + +static int32_t ggml_get_op_params_i32(const struct ggml_tensor * tensor, uint32_t i) { + assert(i < GGML_MAX_OP_PARAMS / sizeof(int32_t)); + return ((const int32_t *)(tensor->op_params))[i]; +} + +static float ggml_get_op_params_f32(const struct ggml_tensor * tensor, uint32_t i) { + assert(i < GGML_MAX_OP_PARAMS / sizeof(float)); + return ((const float *)(tensor->op_params))[i]; +} + +static void ggml_set_op_params_i32(struct ggml_tensor * tensor, uint32_t i, int32_t value) { + assert(i < GGML_MAX_OP_PARAMS / sizeof(int32_t)); + ((int32_t *)(tensor->op_params))[i] = value; +} + +static void ggml_set_op_params_f32(struct ggml_tensor * tensor, uint32_t i, float value) { + assert(i < GGML_MAX_OP_PARAMS / sizeof(float)); + ((float *)(tensor->op_params))[i] = value; +} + +struct ggml_tensor * ggml_set_zero(struct ggml_tensor * tensor) { + memset(tensor->data, 0, ggml_nbytes(tensor)); + return tensor; +} + +struct ggml_tensor * ggml_set_i32 (struct ggml_tensor * tensor, int32_t value) { + const int n = ggml_nrows(tensor); + const int nc = tensor->ne[0]; + const size_t n1 = tensor->nb[1]; + + char * const data = tensor->data; + + switch (tensor->type) { + case GGML_TYPE_I8: + { + assert(tensor->nb[0] == sizeof(int8_t)); + for (int i = 0; i < n; i++) { + ggml_vec_set_i8(nc, (int8_t *)(data + i*n1), value); + } + } break; + case GGML_TYPE_I16: + { + assert(tensor->nb[0] == sizeof(int16_t)); + for (int i = 0; i < n; i++) { + ggml_vec_set_i16(nc, (int16_t *)(data + i*n1), value); + } + } break; + case GGML_TYPE_I32: + { + assert(tensor->nb[0] == sizeof(int32_t)); + for (int i = 0; i < n; i++) { + ggml_vec_set_i32(nc, (int32_t *)(data + i*n1), value); + } + } break; + case GGML_TYPE_F16: + { + assert(tensor->nb[0] == sizeof(ggml_fp16_t)); + for (int i = 0; i < n; i++) { + ggml_vec_set_f16(nc, (ggml_fp16_t *)(data + i*n1), GGML_FP32_TO_FP16(value)); + } + } break; + case GGML_TYPE_BF16: + { + assert(tensor->nb[0] == sizeof(ggml_fp16_t)); + for (int i = 0; i < n; i++) { + ggml_vec_set_bf16(nc, (ggml_bf16_t *)(data + i*n1), GGML_FP32_TO_BF16(value)); + } + } break; + case GGML_TYPE_F32: + { + assert(tensor->nb[0] == sizeof(float)); + for (int i = 0; i < n; i++) { + ggml_vec_set_f32(nc, (float *)(data + i*n1), value); + } + } break; + default: + { + GGML_ASSERT(false); + } break; + } + + return tensor; +} + +struct ggml_tensor * ggml_set_f32(struct ggml_tensor * tensor, float value) { + const int n = ggml_nrows(tensor); + const int nc = tensor->ne[0]; + const size_t n1 = tensor->nb[1]; + + char * const data = tensor->data; + + switch (tensor->type) { + case GGML_TYPE_I8: + { + assert(tensor->nb[0] == sizeof(int8_t)); + for (int i = 0; i < n; i++) { + ggml_vec_set_i8(nc, (int8_t *)(data + i*n1), value); + } + } break; + case GGML_TYPE_I16: + { + assert(tensor->nb[0] == sizeof(int16_t)); + for (int i = 0; i < n; i++) { + ggml_vec_set_i16(nc, (int16_t *)(data + i*n1), value); + } + } break; + case GGML_TYPE_I32: + { + assert(tensor->nb[0] == sizeof(int32_t)); + for (int i = 0; i < n; i++) { + ggml_vec_set_i32(nc, (int32_t *)(data + i*n1), value); + } + } break; + case GGML_TYPE_F16: + { + assert(tensor->nb[0] == sizeof(ggml_fp16_t)); + for (int i = 0; i < n; i++) { + ggml_vec_set_f16(nc, (ggml_fp16_t *)(data + i*n1), GGML_FP32_TO_FP16(value)); + } + } break; + case GGML_TYPE_BF16: + { + assert(tensor->nb[0] == sizeof(ggml_bf16_t)); + for (int i = 0; i < n; i++) { + ggml_vec_set_bf16(nc, (ggml_bf16_t *)(data + i*n1), GGML_FP32_TO_BF16(value)); + } + } break; + case GGML_TYPE_F32: + { + assert(tensor->nb[0] == sizeof(float)); + for (int i = 0; i < n; i++) { + ggml_vec_set_f32(nc, (float *)(data + i*n1), value); + } + } break; + default: + { + GGML_ASSERT(false); + } break; + } + + return tensor; +} + +void ggml_unravel_index(const struct ggml_tensor * tensor, int64_t i, int64_t * i0, int64_t * i1, int64_t * i2, int64_t * i3) { + const int64_t ne2 = tensor->ne[2]; + const int64_t ne1 = tensor->ne[1]; + const int64_t ne0 = tensor->ne[0]; + + const int64_t i3_ = (i/(ne2*ne1*ne0)); + const int64_t i2_ = (i - i3_*ne2*ne1*ne0)/(ne1*ne0); + const int64_t i1_ = (i - i3_*ne2*ne1*ne0 - i2_*ne1*ne0)/ne0; + const int64_t i0_ = (i - i3_*ne2*ne1*ne0 - i2_*ne1*ne0 - i1_*ne0); + + if (i0) { + * i0 = i0_; + } + if (i1) { + * i1 = i1_; + } + if (i2) { + * i2 = i2_; + } + if (i3) { + * i3 = i3_; + } +} + +int32_t ggml_get_i32_1d(const struct ggml_tensor * tensor, int i) { + if (!ggml_is_contiguous(tensor)) { + int64_t id[4] = { 0, 0, 0, 0 }; + ggml_unravel_index(tensor, i, &id[0], &id[1], &id[2], &id[3]); + return ggml_get_i32_nd(tensor, id[0], id[1], id[2], id[3]); + } + switch (tensor->type) { + case GGML_TYPE_I8: + { + GGML_ASSERT(tensor->nb[0] == sizeof(int8_t)); + return ((int8_t *)(tensor->data))[i]; + } + case GGML_TYPE_I16: + { + GGML_ASSERT(tensor->nb[0] == sizeof(int16_t)); + return ((int16_t *)(tensor->data))[i]; + } + case GGML_TYPE_I32: + { + GGML_ASSERT(tensor->nb[0] == sizeof(int32_t)); + return ((int32_t *)(tensor->data))[i]; + } + case GGML_TYPE_F16: + { + GGML_ASSERT(tensor->nb[0] == sizeof(ggml_fp16_t)); + return GGML_FP16_TO_FP32(((ggml_fp16_t *)(tensor->data))[i]); + } + case GGML_TYPE_BF16: + { + GGML_ASSERT(tensor->nb[0] == sizeof(ggml_bf16_t)); + return GGML_BF16_TO_FP32(((ggml_bf16_t *)(tensor->data))[i]); + } + case GGML_TYPE_F32: + { + GGML_ASSERT(tensor->nb[0] == sizeof(float)); + return ((float *)(tensor->data))[i]; + } + default: + { + GGML_ASSERT(false); + } + } + + return 0.0f; +} + +void ggml_set_i32_1d(const struct ggml_tensor * tensor, int i, int32_t value) { + if (!ggml_is_contiguous(tensor)) { + int64_t id[4] = { 0, 0, 0, 0 }; + ggml_unravel_index(tensor, i, &id[0], &id[1], &id[2], &id[3]); + ggml_set_i32_nd(tensor, id[0], id[1], id[2], id[3], value); + return; + } + switch (tensor->type) { + case GGML_TYPE_I8: + { + GGML_ASSERT(tensor->nb[0] == sizeof(int8_t)); + ((int8_t *)(tensor->data))[i] = value; + } break; + case GGML_TYPE_I16: + { + GGML_ASSERT(tensor->nb[0] == sizeof(int16_t)); + ((int16_t *)(tensor->data))[i] = value; + } break; + case GGML_TYPE_I32: + { + GGML_ASSERT(tensor->nb[0] == sizeof(int32_t)); + ((int32_t *)(tensor->data))[i] = value; + } break; + case GGML_TYPE_F16: + { + GGML_ASSERT(tensor->nb[0] == sizeof(ggml_fp16_t)); + ((ggml_fp16_t *)(tensor->data))[i] = GGML_FP32_TO_FP16(value); + } break; + case GGML_TYPE_BF16: + { + GGML_ASSERT(tensor->nb[0] == sizeof(ggml_bf16_t)); + ((ggml_bf16_t *)(tensor->data))[i] = GGML_FP32_TO_BF16(value); + } break; + case GGML_TYPE_F32: + { + GGML_ASSERT(tensor->nb[0] == sizeof(float)); + ((float *)(tensor->data))[i] = value; + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +int32_t ggml_get_i32_nd(const struct ggml_tensor * tensor, int i0, int i1, int i2, int i3) { + void * data = (char *) tensor->data + i0*tensor->nb[0] + i1*tensor->nb[1] + i2*tensor->nb[2] + i3*tensor->nb[3]; + switch (tensor->type) { + case GGML_TYPE_I8: + return ((int8_t *) data)[0]; + case GGML_TYPE_I16: + return ((int16_t *) data)[0]; + case GGML_TYPE_I32: + return ((int32_t *) data)[0]; + case GGML_TYPE_F16: + return GGML_FP16_TO_FP32(((ggml_fp16_t *) data)[0]); + case GGML_TYPE_BF16: + return GGML_BF16_TO_FP32(((ggml_bf16_t *) data)[0]); + case GGML_TYPE_F32: + return ((float *) data)[0]; + default: + GGML_ASSERT(false); + } + + return 0.0f; +} + +void ggml_set_i32_nd(const struct ggml_tensor * tensor, int i0, int i1, int i2, int i3, int32_t value) { + void * data = (char *) tensor->data + i0*tensor->nb[0] + i1*tensor->nb[1] + i2*tensor->nb[2] + i3*tensor->nb[3]; + switch (tensor->type) { + case GGML_TYPE_I8: + { + ((int8_t *)(data))[0] = value; + } break; + case GGML_TYPE_I16: + { + ((int16_t *)(data))[0] = value; + } break; + case GGML_TYPE_I32: + { + ((int32_t *)(data))[0] = value; + } break; + case GGML_TYPE_F16: + { + ((ggml_fp16_t *)(data))[0] = GGML_FP32_TO_FP16(value); + } break; + case GGML_TYPE_BF16: + { + ((ggml_bf16_t *)(data))[0] = GGML_FP32_TO_BF16(value); + } break; + case GGML_TYPE_F32: + { + ((float *)(data))[0] = value; + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +float ggml_get_f32_1d(const struct ggml_tensor * tensor, int i) { + if (!ggml_is_contiguous(tensor)) { + int64_t id[4] = { 0, 0, 0, 0 }; + ggml_unravel_index(tensor, i, &id[0], &id[1], &id[2], &id[3]); + return ggml_get_f32_nd(tensor, id[0], id[1], id[2], id[3]); + } + switch (tensor->type) { + case GGML_TYPE_I8: + { + return ((int8_t *)(tensor->data))[i]; + } + case GGML_TYPE_I16: + { + return ((int16_t *)(tensor->data))[i]; + } + case GGML_TYPE_I32: + { + return ((int32_t *)(tensor->data))[i]; + } + case GGML_TYPE_F16: + { + return GGML_FP16_TO_FP32(((ggml_fp16_t *)(tensor->data))[i]); + } + case GGML_TYPE_BF16: + { + return GGML_BF16_TO_FP32(((ggml_bf16_t *)(tensor->data))[i]); + } + case GGML_TYPE_F32: + { + return ((float *)(tensor->data))[i]; + } + default: + { + GGML_ASSERT(false); + } + } + + return 0.0f; +} + +void ggml_set_f32_1d(const struct ggml_tensor * tensor, int i, float value) { + if (!ggml_is_contiguous(tensor)) { + int64_t id[4] = { 0, 0, 0, 0 }; + ggml_unravel_index(tensor, i, &id[0], &id[1], &id[2], &id[3]); + ggml_set_f32_nd(tensor, id[0], id[1], id[2], id[3], value); + return; + } + switch (tensor->type) { + case GGML_TYPE_I8: + { + ((int8_t *)(tensor->data))[i] = value; + } break; + case GGML_TYPE_I16: + { + ((int16_t *)(tensor->data))[i] = value; + } break; + case GGML_TYPE_I32: + { + ((int32_t *)(tensor->data))[i] = value; + } break; + case GGML_TYPE_F16: + { + ((ggml_fp16_t *)(tensor->data))[i] = GGML_FP32_TO_FP16(value); + } break; + case GGML_TYPE_BF16: + { + ((ggml_bf16_t *)(tensor->data))[i] = GGML_FP32_TO_BF16(value); + } break; + case GGML_TYPE_F32: + { + ((float *)(tensor->data))[i] = value; + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +float ggml_get_f32_nd(const struct ggml_tensor * tensor, int i0, int i1, int i2, int i3) { + void * data = (char *) tensor->data + i0*tensor->nb[0] + i1*tensor->nb[1] + i2*tensor->nb[2] + i3*tensor->nb[3]; + switch (tensor->type) { + case GGML_TYPE_I8: + return ((int8_t *) data)[0]; + case GGML_TYPE_I16: + return ((int16_t *) data)[0]; + case GGML_TYPE_I32: + return ((int32_t *) data)[0]; + case GGML_TYPE_F16: + return GGML_FP16_TO_FP32(((ggml_fp16_t *) data)[0]); + case GGML_TYPE_BF16: + return GGML_BF16_TO_FP32(((ggml_bf16_t *) data)[0]); + case GGML_TYPE_F32: + return ((float *) data)[0]; + default: + GGML_ASSERT(false); + } + + return 0.0f; +} + +void ggml_set_f32_nd(const struct ggml_tensor * tensor, int i0, int i1, int i2, int i3, float value) { + void * data = (char *) tensor->data + i0*tensor->nb[0] + i1*tensor->nb[1] + i2*tensor->nb[2] + i3*tensor->nb[3]; + switch (tensor->type) { + case GGML_TYPE_I8: + { + ((int8_t *)(data))[0] = value; + } break; + case GGML_TYPE_I16: + { + ((int16_t *)(data))[0] = value; + } break; + case GGML_TYPE_I32: + { + ((int32_t *)(data))[0] = value; + } break; + case GGML_TYPE_F16: + { + ((ggml_fp16_t *)(data))[0] = GGML_FP32_TO_FP16(value); + } break; + case GGML_TYPE_BF16: + { + ((ggml_bf16_t *)(data))[0] = GGML_FP32_TO_BF16(value); + } break; + case GGML_TYPE_F32: + { + ((float *)(data))[0] = value; + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +void * ggml_get_data(const struct ggml_tensor * tensor) { + return tensor->data; +} + +float * ggml_get_data_f32(const struct ggml_tensor * tensor) { + assert(tensor->type == GGML_TYPE_F32); + return (float *)(tensor->data); +} + +GGML_CALL enum ggml_unary_op ggml_get_unary_op(const struct ggml_tensor * tensor) { + GGML_ASSERT(tensor->op == GGML_OP_UNARY); + return (enum ggml_unary_op) ggml_get_op_params_i32(tensor, 0); +} + +const char * ggml_get_name(const struct ggml_tensor * tensor) { + return tensor->name; +} + +struct ggml_tensor * ggml_set_name(struct ggml_tensor * tensor, const char * name) { + strncpy(tensor->name, name, sizeof(tensor->name) - 1); + tensor->name[sizeof(tensor->name) - 1] = '\0'; + return tensor; +} + +struct ggml_tensor * ggml_format_name(struct ggml_tensor * tensor, const char * fmt, ...) { + va_list args; + va_start(args, fmt); + vsnprintf(tensor->name, sizeof(tensor->name), fmt, args); + va_end(args); + return tensor; +} + +struct ggml_tensor * ggml_view_tensor( + struct ggml_context * ctx, + struct ggml_tensor * src) { + struct ggml_tensor * result = ggml_new_tensor_impl(ctx, src->type, GGML_MAX_DIMS, src->ne, src, 0); + ggml_format_name(result, "%s (view)", src->name); + + for (int i = 0; i < GGML_MAX_DIMS; i++) { + result->nb[i] = src->nb[i]; + } + + return result; +} + +struct ggml_tensor * ggml_get_first_tensor(const struct ggml_context * ctx) { + struct ggml_object * obj = ctx->objects_begin; + + char * const mem_buffer = ctx->mem_buffer; + + while (obj != NULL) { + if (obj->type == GGML_OBJECT_TYPE_TENSOR) { + return (struct ggml_tensor *)(mem_buffer + obj->offs); + } + + obj = obj->next; + } + + return NULL; +} + +struct ggml_tensor * ggml_get_next_tensor(const struct ggml_context * ctx, struct ggml_tensor * tensor) { + struct ggml_object * obj = (struct ggml_object *) ((char *)tensor - GGML_OBJECT_SIZE); + obj = obj->next; + + char * const mem_buffer = ctx->mem_buffer; + + while (obj != NULL) { + if (obj->type == GGML_OBJECT_TYPE_TENSOR) { + return (struct ggml_tensor *)(mem_buffer + obj->offs); + } + + obj = obj->next; + } + + return NULL; +} + +struct ggml_tensor * ggml_get_tensor(struct ggml_context * ctx, const char * name) { + struct ggml_object * obj = ctx->objects_begin; + + char * const mem_buffer = ctx->mem_buffer; + + while (obj != NULL) { + if (obj->type == GGML_OBJECT_TYPE_TENSOR) { + struct ggml_tensor * cur = (struct ggml_tensor *)(mem_buffer + obj->offs); + if (strcmp(cur->name, name) == 0) { + return cur; + } + } + + obj = obj->next; + } + + return NULL; +} + +//////////////////////////////////////////////////////////////////////////////// + +// ggml_dup + +static struct ggml_tensor * ggml_dup_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + bool inplace) { + bool is_node = false; + + if (!inplace && (a->grad)) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + result->op = GGML_OP_DUP; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_dup( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_dup_impl(ctx, a, false); +} + +struct ggml_tensor * ggml_dup_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_dup_impl(ctx, a, true); +} + +// ggml_add + +static struct ggml_tensor * ggml_add_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + bool inplace) { + GGML_ASSERT(ggml_can_repeat(b, a)); + + bool is_node = false; + + if (!inplace && (a->grad || b->grad)) { + // TODO: support backward pass for broadcasting + GGML_ASSERT(ggml_are_same_shape(a, b)); + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + result->op = GGML_OP_ADD; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +struct ggml_tensor * ggml_add( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + return ggml_add_impl(ctx, a, b, false); +} + +struct ggml_tensor * ggml_add_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + return ggml_add_impl(ctx, a, b, true); +} + +// ggml_add_cast + +static struct ggml_tensor * ggml_add_cast_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + enum ggml_type type) { + // TODO: support less-strict constraint + // GGML_ASSERT(ggml_can_repeat(b, a)); + GGML_ASSERT(ggml_can_repeat_rows(b, a)); + + // currently only supported for quantized input and f16 + GGML_ASSERT(ggml_is_quantized(a->type) || + a->type == GGML_TYPE_F16 || + a->type == GGML_TYPE_BF16); + + bool is_node = false; + + if (a->grad || b->grad) { + // TODO: support backward pass for broadcasting + GGML_ASSERT(ggml_are_same_shape(a, b)); + is_node = true; + } + + struct ggml_tensor * result = ggml_new_tensor(ctx, type, GGML_MAX_DIMS, a->ne); + + result->op = GGML_OP_ADD; + result->grad = is_node ? ggml_new_tensor(ctx, GGML_TYPE_F32, GGML_MAX_DIMS, a->ne) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +struct ggml_tensor * ggml_add_cast( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + enum ggml_type type) { + return ggml_add_cast_impl(ctx, a, b, type); +} + +// ggml_add1 + +static struct ggml_tensor * ggml_add1_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + bool inplace) { + GGML_ASSERT(ggml_is_scalar(b)); + GGML_ASSERT(ggml_is_padded_1d(a)); + + bool is_node = false; + + if (a->grad || b->grad) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + result->op = GGML_OP_ADD1; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +struct ggml_tensor * ggml_add1( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + return ggml_add1_impl(ctx, a, b, false); +} + +struct ggml_tensor * ggml_add1_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + return ggml_add1_impl(ctx, a, b, true); +} + +// ggml_acc + +static struct ggml_tensor * ggml_acc_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + size_t nb1, + size_t nb2, + size_t nb3, + size_t offset, + bool inplace) { + GGML_ASSERT(ggml_nelements(b) <= ggml_nelements(a)); + GGML_ASSERT(ggml_is_contiguous(a)); + GGML_ASSERT(a->type == GGML_TYPE_F32); + GGML_ASSERT(b->type == GGML_TYPE_F32); + + bool is_node = false; + + if (!inplace && (a->grad || b->grad)) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + int32_t params[] = { nb1, nb2, nb3, offset, inplace ? 1 : 0 }; + ggml_set_op_params(result, params, sizeof(params)); + + result->op = GGML_OP_ACC; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +struct ggml_tensor * ggml_acc( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + size_t nb1, + size_t nb2, + size_t nb3, + size_t offset) { + return ggml_acc_impl(ctx, a, b, nb1, nb2, nb3, offset, false); +} + +struct ggml_tensor * ggml_acc_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + size_t nb1, + size_t nb2, + size_t nb3, + size_t offset) { + return ggml_acc_impl(ctx, a, b, nb1, nb2, nb3, offset, true); +} + +// ggml_sub + +static struct ggml_tensor * ggml_sub_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + bool inplace) { + GGML_ASSERT(ggml_are_same_shape(a, b)); + + bool is_node = false; + + if (!inplace && (a->grad || b->grad)) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + result->op = GGML_OP_SUB; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +struct ggml_tensor * ggml_sub( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + return ggml_sub_impl(ctx, a, b, false); +} + +struct ggml_tensor * ggml_sub_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + return ggml_sub_impl(ctx, a, b, true); +} + +// ggml_mul + +static struct ggml_tensor * ggml_mul_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + bool inplace) { + GGML_ASSERT(ggml_can_repeat(b, a)); + + bool is_node = false; + + if (!inplace && (a->grad || b->grad)) { + // TODO: support backward pass for broadcasting + GGML_ASSERT(ggml_are_same_shape(a, b)); + is_node = true; + } + + if (inplace) { + GGML_ASSERT(!is_node); + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + result->op = GGML_OP_MUL; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +struct ggml_tensor * ggml_mul( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + return ggml_mul_impl(ctx, a, b, false); +} + +struct ggml_tensor * ggml_mul_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + return ggml_mul_impl(ctx, a, b, true); +} + +// ggml_div + +static struct ggml_tensor * ggml_div_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + bool inplace) { + GGML_ASSERT(ggml_can_repeat(b, a)); + + bool is_node = false; + + if (!inplace && (a->grad || b->grad)) { + is_node = true; + } + + if (inplace) { + GGML_ASSERT(!is_node); + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + result->op = GGML_OP_DIV; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +struct ggml_tensor * ggml_div( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + return ggml_div_impl(ctx, a, b, false); +} + +struct ggml_tensor * ggml_div_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + return ggml_div_impl(ctx, a, b, true); +} + +// ggml_sqr + +static struct ggml_tensor * ggml_sqr_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + bool inplace) { + bool is_node = false; + + if (!inplace && (a->grad)) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + result->op = GGML_OP_SQR; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_sqr( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_sqr_impl(ctx, a, false); +} + +struct ggml_tensor * ggml_sqr_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_sqr_impl(ctx, a, true); +} + +// ggml_sqrt + +static struct ggml_tensor * ggml_sqrt_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + bool inplace) { + bool is_node = false; + + if (!inplace && (a->grad)) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + result->op = GGML_OP_SQRT; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_sqrt( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_sqrt_impl(ctx, a, false); +} + +struct ggml_tensor * ggml_sqrt_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_sqrt_impl(ctx, a, true); +} + +// ggml_log + +static struct ggml_tensor * ggml_log_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + bool inplace) { + bool is_node = false; + + if (!inplace && (a->grad)) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + result->op = GGML_OP_LOG; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_log( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_log_impl(ctx, a, false); +} + +struct ggml_tensor * ggml_log_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_log_impl(ctx, a, true); +} + +// ggml_sum + +struct ggml_tensor * ggml_sum( + struct ggml_context * ctx, + struct ggml_tensor * a) { + bool is_node = false; + + if (a->grad) { + is_node = true; + } + + struct ggml_tensor * result = ggml_new_tensor_1d(ctx, a->type, 1); + + result->op = GGML_OP_SUM; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +// ggml_sum_rows + +struct ggml_tensor * ggml_sum_rows( + struct ggml_context * ctx, + struct ggml_tensor * a) { + bool is_node = false; + + if (a->grad) { + is_node = true; + } + + int64_t ne[GGML_MAX_DIMS] = { 1 }; + for (int i = 1; i < GGML_MAX_DIMS; ++i) { + ne[i] = a->ne[i]; + } + + struct ggml_tensor * result = ggml_new_tensor(ctx, a->type, GGML_MAX_DIMS, ne); + + result->op = GGML_OP_SUM_ROWS; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +// ggml_mean + +struct ggml_tensor * ggml_mean( + struct ggml_context * ctx, + struct ggml_tensor * a) { + bool is_node = false; + + if (a->grad) { + GGML_ASSERT(false); // TODO: implement + is_node = true; + } + + int64_t ne[4] = { 1, a->ne[1], a->ne[2], a->ne[3] }; + struct ggml_tensor * result = ggml_new_tensor(ctx, GGML_TYPE_F32, 4, ne); + + result->op = GGML_OP_MEAN; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +// ggml_argmax + +struct ggml_tensor * ggml_argmax( + struct ggml_context * ctx, + struct ggml_tensor * a) { + GGML_ASSERT(ggml_is_matrix(a)); + bool is_node = false; + + if (a->grad) { + GGML_ASSERT(false); + is_node = true; + } + + struct ggml_tensor * result = ggml_new_tensor_1d(ctx, GGML_TYPE_I32, a->ne[1]); + + result->op = GGML_OP_ARGMAX; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +// ggml_repeat + +struct ggml_tensor * ggml_repeat( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + GGML_ASSERT(ggml_can_repeat(a, b)); + + bool is_node = false; + + if (a->grad) { + is_node = true; + } + + struct ggml_tensor * result = ggml_new_tensor(ctx, a->type, GGML_MAX_DIMS, b->ne); + + result->op = GGML_OP_REPEAT; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +// ggml_repeat_back + +struct ggml_tensor * ggml_repeat_back( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + GGML_ASSERT(ggml_can_repeat(b, a)); + + bool is_node = false; + + if (a->grad) { + is_node = true; + } + + if (ggml_are_same_shape(a, b) && !is_node) { + return a; + } + + struct ggml_tensor * result = ggml_new_tensor(ctx, a->type, GGML_MAX_DIMS, b->ne); + + result->op = GGML_OP_REPEAT_BACK; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +// ggml_concat + +struct ggml_tensor * ggml_concat( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + int dim) { + GGML_ASSERT(dim >= 0 && dim < GGML_MAX_DIMS); + + int64_t ne[GGML_MAX_DIMS]; + for (int d = 0; d < GGML_MAX_DIMS; ++d) { + if (d == dim) { + ne[d] = a->ne[d] + b->ne[d]; + continue; + } + GGML_ASSERT(a->ne[d] == b->ne[d]); + ne[d] = a->ne[d]; + } + + bool is_node = false; + + if (a->grad || b->grad) { + is_node = true; + } + + struct ggml_tensor * result = ggml_new_tensor(ctx, a->type, GGML_MAX_DIMS, ne); + + ggml_set_op_params_i32(result, 0, dim); + + result->op = GGML_OP_CONCAT; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +// ggml_abs + +struct ggml_tensor * ggml_abs( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary(ctx, a, GGML_UNARY_OP_ABS); +} + +struct ggml_tensor * ggml_abs_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary_inplace(ctx, a, GGML_UNARY_OP_ABS); +} + +// ggml_sgn + +struct ggml_tensor * ggml_sgn( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary(ctx, a, GGML_UNARY_OP_SGN); +} + +struct ggml_tensor * ggml_sgn_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary_inplace(ctx, a, GGML_UNARY_OP_SGN); +} + +// ggml_neg + +struct ggml_tensor * ggml_neg( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary(ctx, a, GGML_UNARY_OP_NEG); +} + +struct ggml_tensor * ggml_neg_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary_inplace(ctx, a, GGML_UNARY_OP_NEG); +} + +// ggml_step + +struct ggml_tensor * ggml_step( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary(ctx, a, GGML_UNARY_OP_STEP); +} + +struct ggml_tensor * ggml_step_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary_inplace(ctx, a, GGML_UNARY_OP_STEP); +} + +// ggml_tanh + +struct ggml_tensor * ggml_tanh( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary(ctx, a, GGML_UNARY_OP_TANH); +} + +struct ggml_tensor * ggml_tanh_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary_inplace(ctx, a, GGML_UNARY_OP_TANH); +} + +// ggml_elu + +struct ggml_tensor * ggml_elu( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary(ctx, a, GGML_UNARY_OP_ELU); +} + +struct ggml_tensor * ggml_elu_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary_inplace(ctx, a, GGML_UNARY_OP_ELU); +} + +// ggml_relu + +struct ggml_tensor * ggml_relu( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary(ctx, a, GGML_UNARY_OP_RELU); +} + +struct ggml_tensor * ggml_relu_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary_inplace(ctx, a, GGML_UNARY_OP_RELU); +} + +// ggml_leaky_relu + +struct ggml_tensor * ggml_leaky_relu( + struct ggml_context * ctx, + struct ggml_tensor * a, float negative_slope, bool inplace) { + bool is_node = false; + + if (!inplace && (a->grad)) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + ggml_set_op_params(result, &negative_slope, sizeof(negative_slope)); + + result->op = GGML_OP_LEAKY_RELU; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +// ggml_sigmoid + +struct ggml_tensor * ggml_sigmoid( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary(ctx, a, GGML_UNARY_OP_SIGMOID); +} + +struct ggml_tensor * ggml_sigmoid_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary_inplace(ctx, a, GGML_UNARY_OP_SIGMOID); +} + +// ggml_gelu + +struct ggml_tensor * ggml_gelu( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary(ctx, a, GGML_UNARY_OP_GELU); +} + +struct ggml_tensor * ggml_gelu_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary_inplace(ctx, a, GGML_UNARY_OP_GELU); +} + +// ggml_gelu_quick + +struct ggml_tensor * ggml_gelu_quick( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary(ctx, a, GGML_UNARY_OP_GELU_QUICK); +} + +struct ggml_tensor * ggml_gelu_quick_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary_inplace(ctx, a, GGML_UNARY_OP_GELU_QUICK); +} + +// ggml_silu + +struct ggml_tensor * ggml_silu( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary(ctx, a, GGML_UNARY_OP_SILU); +} + +struct ggml_tensor * ggml_silu_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary_inplace(ctx, a, GGML_UNARY_OP_SILU); +} + +// ggml_silu_back + +struct ggml_tensor * ggml_silu_back( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + bool is_node = false; + + if (a->grad || b->grad) { + // TODO: implement backward + is_node = true; + } + + struct ggml_tensor * result = ggml_dup_tensor(ctx, a); + + result->op = GGML_OP_SILU_BACK; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +// ggml hardswish +struct ggml_tensor * ggml_hardswish( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary(ctx, a, GGML_UNARY_OP_HARDSWISH); +} + +// ggml hardsigmoid +struct ggml_tensor * ggml_hardsigmoid( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_unary(ctx, a, GGML_UNARY_OP_HARDSIGMOID); +} + +// ggml_norm + +static struct ggml_tensor * ggml_norm_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + float eps, + bool inplace) { + bool is_node = false; + + if (!inplace && (a->grad)) { + GGML_ASSERT(false); // TODO: implement backward + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + ggml_set_op_params(result, &eps, sizeof(eps)); + + result->op = GGML_OP_NORM; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_norm( + struct ggml_context * ctx, + struct ggml_tensor * a, + float eps) { + return ggml_norm_impl(ctx, a, eps, false); +} + +struct ggml_tensor * ggml_norm_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + float eps) { + return ggml_norm_impl(ctx, a, eps, true); +} + +// ggml_rms_norm + +static struct ggml_tensor * ggml_rms_norm_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + float eps, + bool inplace) { + bool is_node = false; + + if (!inplace && (a->grad)) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + ggml_set_op_params(result, &eps, sizeof(eps)); + + result->op = GGML_OP_RMS_NORM; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_rms_norm( + struct ggml_context * ctx, + struct ggml_tensor * a, + float eps) { + return ggml_rms_norm_impl(ctx, a, eps, false); +} + +struct ggml_tensor * ggml_rms_norm_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + float eps) { + return ggml_rms_norm_impl(ctx, a, eps, true); +} + +// ggml_rms_norm_back + +struct ggml_tensor * ggml_rms_norm_back( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + float eps) { + bool is_node = false; + + if (a->grad) { + // TODO: implement backward + is_node = true; + } + + struct ggml_tensor * result = ggml_dup_tensor(ctx, a); + + ggml_set_op_params(result, &eps, sizeof(eps)); + + result->op = GGML_OP_RMS_NORM_BACK; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +// ggml_group_norm + +static struct ggml_tensor * ggml_group_norm_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + int n_groups, + bool inplace) { + + bool is_node = false; + if (!inplace && (a->grad)) { + GGML_ASSERT(false); // TODO: implement backward + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + result->op_params[0] = n_groups; + + result->op = GGML_OP_GROUP_NORM; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_group_norm( + struct ggml_context * ctx, + struct ggml_tensor * a, + int n_groups) { + return ggml_group_norm_impl(ctx, a, n_groups, false); +} + +struct ggml_tensor * ggml_group_norm_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + int n_groups) { + return ggml_group_norm_impl(ctx, a, n_groups, true); +} + +// ggml_mul_mat + +struct ggml_tensor * ggml_mul_mat( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + GGML_ASSERT(ggml_can_mul_mat(a, b)); + GGML_ASSERT(!ggml_is_transposed(a)); + + bool is_node = false; + + if (a->grad || b->grad) { + is_node = true; + } + + const int64_t ne[4] = { a->ne[1], b->ne[1], b->ne[2], b->ne[3] }; + struct ggml_tensor * result = ggml_new_tensor(ctx, GGML_TYPE_F32, 4, ne); + + result->op = GGML_OP_MUL_MAT; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +void ggml_mul_mat_set_prec( + struct ggml_tensor * a, + enum ggml_prec prec) { + GGML_ASSERT(a->op == GGML_OP_MUL_MAT); + + const int32_t prec_i32 = (int32_t) prec; + + ggml_set_op_params_i32(a, 0, prec_i32); +} + +// ggml_mul_mat_id + +/* + c = ggml_mul_mat_id(ctx, as, b, ids); + + as -> [cols, rows, n_expert] + ids -> [n_experts_used, n_tokens] (i32) + b -> [cols, n_expert_used, n_tokens] + c -> [rows, n_expert_used, n_tokens] + + in b, n_experts_used can be broadcasted to match the n_expert_used of ids + + c ~= as[:,:,i] @ b[:,i%r,t], i = ids[e,t] for all e,t in ids +*/ +struct ggml_tensor * ggml_mul_mat_id( + struct ggml_context * ctx, + struct ggml_tensor * as, + struct ggml_tensor * b, + struct ggml_tensor * ids) { + GGML_ASSERT(!ggml_is_transposed(as)); + GGML_ASSERT(ids->type == GGML_TYPE_I32); + + GGML_ASSERT(as->ne[3] == 1); // as is 3d (one matrix per expert) + GGML_ASSERT(b->ne[3] == 1); // b is 3d + GGML_ASSERT(ids->ne[2] == 1 && ids->ne[3] == 1); // ids is 2d + GGML_ASSERT(ids->ne[1] == b->ne[2]); // must have an expert list per b row + GGML_ASSERT(as->ne[0] == b->ne[0]); // can_mul_mat + GGML_ASSERT(ids->ne[0] % b->ne[1] == 0); // can broadcast + + bool is_node = false; + + if (as->grad || b->grad) { + is_node = true; + } + + const int64_t ne[4] = { as->ne[1], ids->ne[0], b->ne[2], 1 }; + struct ggml_tensor * result = ggml_new_tensor(ctx, GGML_TYPE_F32, 4, ne); + + result->op = GGML_OP_MUL_MAT_ID; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = as; + result->src[1] = b; + result->src[2] = ids; + + return result; +} + +// ggml_out_prod + +struct ggml_tensor * ggml_out_prod( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + GGML_ASSERT(ggml_can_out_prod(a, b)); + GGML_ASSERT(!ggml_is_transposed(a)); + + bool is_node = false; + + if (a->grad || b->grad) { + is_node = true; + } + + // a is broadcastable to b for ne[2] and ne[3] -> use b->ne[2] and b->ne[3] + const int64_t ne[4] = { a->ne[0], b->ne[0], b->ne[2], b->ne[3] }; + struct ggml_tensor * result = ggml_new_tensor(ctx, GGML_TYPE_F32, 4, ne); + + result->op = GGML_OP_OUT_PROD; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +// ggml_scale + +static struct ggml_tensor * ggml_scale_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + float s, + bool inplace) { + GGML_ASSERT(ggml_is_padded_1d(a)); + + bool is_node = false; + + if (a->grad) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + ggml_set_op_params(result, &s, sizeof(s)); + + result->op = GGML_OP_SCALE; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_scale( + struct ggml_context * ctx, + struct ggml_tensor * a, + float s) { + return ggml_scale_impl(ctx, a, s, false); +} + +struct ggml_tensor * ggml_scale_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + float s) { + return ggml_scale_impl(ctx, a, s, true); +} + +// ggml_set + +static struct ggml_tensor * ggml_set_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + size_t nb1, + size_t nb2, + size_t nb3, + size_t offset, + bool inplace) { + GGML_ASSERT(ggml_nelements(a) >= ggml_nelements(b)); + + bool is_node = false; + + if (a->grad || b->grad) { + is_node = true; + } + + // make a view of the destination + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + int32_t params[] = { nb1, nb2, nb3, offset, inplace ? 1 : 0 }; + ggml_set_op_params(result, params, sizeof(params)); + + result->op = GGML_OP_SET; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +struct ggml_tensor * ggml_set( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + size_t nb1, + size_t nb2, + size_t nb3, + size_t offset) { + return ggml_set_impl(ctx, a, b, nb1, nb2, nb3, offset, false); +} + +struct ggml_tensor * ggml_set_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + size_t nb1, + size_t nb2, + size_t nb3, + size_t offset) { + return ggml_set_impl(ctx, a, b, nb1, nb2, nb3, offset, true); +} + +struct ggml_tensor * ggml_set_1d( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + size_t offset) { + return ggml_set_impl(ctx, a, b, a->nb[1], a->nb[2], a->nb[3], offset, false); +} + +struct ggml_tensor * ggml_set_1d_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + size_t offset) { + return ggml_set_impl(ctx, a, b, a->nb[1], a->nb[2], a->nb[3], offset, true); +} + +struct ggml_tensor * ggml_set_2d( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + size_t nb1, + size_t offset) { + return ggml_set_impl(ctx, a, b, nb1, a->nb[2], a->nb[3], offset, false); +} + +struct ggml_tensor * ggml_set_2d_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + size_t nb1, + size_t offset) { + return ggml_set_impl(ctx, a, b, nb1, a->nb[2], a->nb[3], offset, true); +} + +// ggml_cpy + +static struct ggml_tensor * ggml_cpy_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + GGML_ASSERT(ggml_nelements(a) == ggml_nelements(b)); + + bool is_node = false; + + if (a->grad || b->grad) { + // inplace is false and either one have a grad + is_node = true; + } + + // make a view of the destination + struct ggml_tensor * result = ggml_view_tensor(ctx, b); + if (strlen(b->name) > 0) { + ggml_format_name(result, "%s (copy of %s)", b->name, a->name); + } else { + ggml_format_name(result, "%s (copy)", a->name); + } + + result->op = GGML_OP_CPY; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +struct ggml_tensor * ggml_cpy( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + return ggml_cpy_impl(ctx, a, b); +} + +struct ggml_tensor * ggml_cast( + struct ggml_context * ctx, + struct ggml_tensor * a, + enum ggml_type type) { + bool is_node = false; + + struct ggml_tensor * result = ggml_new_tensor(ctx, type, GGML_MAX_DIMS, a->ne); + ggml_format_name(result, "%s (copy)", a->name); + + result->op = GGML_OP_CPY; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = result; + + return result; +} + +// ggml_cont + +static struct ggml_tensor * ggml_cont_impl( + struct ggml_context * ctx, + struct ggml_tensor * a) { + bool is_node = false; + + if (a->grad) { + is_node = true; + } + + struct ggml_tensor * result = ggml_dup_tensor(ctx, a); + ggml_format_name(result, "%s (cont)", a->name); + + result->op = GGML_OP_CONT; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_cont( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_cont_impl(ctx, a); +} + +// make contiguous, with new shape +GGML_API struct ggml_tensor * ggml_cont_1d( + struct ggml_context * ctx, + struct ggml_tensor * a, + int64_t ne0) { + return ggml_cont_4d(ctx, a, ne0, 1, 1, 1); +} + +GGML_API struct ggml_tensor * ggml_cont_2d( + struct ggml_context * ctx, + struct ggml_tensor * a, + int64_t ne0, + int64_t ne1) { + return ggml_cont_4d(ctx, a, ne0, ne1, 1, 1); +} + +GGML_API struct ggml_tensor * ggml_cont_3d( + struct ggml_context * ctx, + struct ggml_tensor * a, + int64_t ne0, + int64_t ne1, + int64_t ne2) { + return ggml_cont_4d(ctx, a, ne0, ne1, ne2, 1); +} + +struct ggml_tensor * ggml_cont_4d( + struct ggml_context * ctx, + struct ggml_tensor * a, + int64_t ne0, + int64_t ne1, + int64_t ne2, + int64_t ne3) { + GGML_ASSERT(ggml_nelements(a) == (ne0*ne1*ne2*ne3)); + + bool is_node = false; + + struct ggml_tensor * result = ggml_new_tensor_4d(ctx, a->type, ne0, ne1, ne2, ne3); + ggml_format_name(result, "%s (cont)", a->name); + + result->op = GGML_OP_CONT; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +// ggml_reshape + +struct ggml_tensor * ggml_reshape( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + GGML_ASSERT(ggml_is_contiguous(a)); + // as only the shape of b is relevant, and not its memory layout, b is allowed to be non contiguous. + GGML_ASSERT(ggml_nelements(a) == ggml_nelements(b)); + + bool is_node = false; + + if (a->grad) { + is_node = true; + } + + if (b->grad) { + // gradient propagation is not supported + //GGML_ASSERT(false); + } + + struct ggml_tensor * result = ggml_new_tensor_impl(ctx, a->type, GGML_MAX_DIMS, b->ne, a, 0); + ggml_format_name(result, "%s (reshaped)", a->name); + + result->op = GGML_OP_RESHAPE; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_reshape_1d( + struct ggml_context * ctx, + struct ggml_tensor * a, + int64_t ne0) { + GGML_ASSERT(ggml_is_contiguous(a)); + GGML_ASSERT(ggml_nelements(a) == ne0); + + bool is_node = false; + + if (a->grad) { + is_node = true; + } + + const int64_t ne[1] = { ne0 }; + struct ggml_tensor * result = ggml_new_tensor_impl(ctx, a->type, 1, ne, a, 0); + ggml_format_name(result, "%s (reshaped)", a->name); + + result->op = GGML_OP_RESHAPE; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_reshape_2d( + struct ggml_context * ctx, + struct ggml_tensor * a, + int64_t ne0, + int64_t ne1) { + GGML_ASSERT(ggml_is_contiguous(a)); + GGML_ASSERT(ggml_nelements(a) == ne0*ne1); + + bool is_node = false; + + if (a->grad) { + is_node = true; + } + + const int64_t ne[2] = { ne0, ne1 }; + struct ggml_tensor * result = ggml_new_tensor_impl(ctx, a->type, 2, ne, a, 0); + ggml_format_name(result, "%s (reshaped)", a->name); + + result->op = GGML_OP_RESHAPE; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_reshape_3d( + struct ggml_context * ctx, + struct ggml_tensor * a, + int64_t ne0, + int64_t ne1, + int64_t ne2) { + GGML_ASSERT(ggml_is_contiguous(a)); + GGML_ASSERT(ggml_nelements(a) == ne0*ne1*ne2); + + bool is_node = false; + + if (a->grad) { + is_node = true; + } + + const int64_t ne[3] = { ne0, ne1, ne2 }; + struct ggml_tensor * result = ggml_new_tensor_impl(ctx, a->type, 3, ne, a, 0); + ggml_format_name(result, "%s (reshaped)", a->name); + + result->op = GGML_OP_RESHAPE; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_reshape_4d( + struct ggml_context * ctx, + struct ggml_tensor * a, + int64_t ne0, + int64_t ne1, + int64_t ne2, + int64_t ne3) { + GGML_ASSERT(ggml_is_contiguous(a)); + GGML_ASSERT(ggml_nelements(a) == ne0*ne1*ne2*ne3); + + bool is_node = false; + + if (a->grad) { + is_node = true; + } + + const int64_t ne[4] = { ne0, ne1, ne2, ne3 }; + struct ggml_tensor * result = ggml_new_tensor_impl(ctx, a->type, 4, ne, a, 0); + ggml_format_name(result, "%s (reshaped)", a->name); + + result->op = GGML_OP_RESHAPE; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +static struct ggml_tensor * ggml_view_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + int n_dims, + const int64_t * ne, + size_t offset) { + + bool is_node = false; + + if (a->grad) { + is_node = true; + } + + struct ggml_tensor * result = ggml_new_tensor_impl(ctx, a->type, n_dims, ne, a, offset); + ggml_format_name(result, "%s (view)", a->name); + + ggml_set_op_params(result, &offset, sizeof(offset)); + + result->op = GGML_OP_VIEW; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +// ggml_view_1d + +struct ggml_tensor * ggml_view_1d( + struct ggml_context * ctx, + struct ggml_tensor * a, + int64_t ne0, + size_t offset) { + + struct ggml_tensor * result = ggml_view_impl(ctx, a, 1, &ne0, offset); + + return result; +} + +// ggml_view_2d + +struct ggml_tensor * ggml_view_2d( + struct ggml_context * ctx, + struct ggml_tensor * a, + int64_t ne0, + int64_t ne1, + size_t nb1, + size_t offset) { + + const int64_t ne[2] = { ne0, ne1 }; + + struct ggml_tensor * result = ggml_view_impl(ctx, a, 2, ne, offset); + + result->nb[1] = nb1; + result->nb[2] = result->nb[1]*ne1; + result->nb[3] = result->nb[2]; + + return result; +} + +// ggml_view_3d + +struct ggml_tensor * ggml_view_3d( + struct ggml_context * ctx, + struct ggml_tensor * a, + int64_t ne0, + int64_t ne1, + int64_t ne2, + size_t nb1, + size_t nb2, + size_t offset) { + + const int64_t ne[3] = { ne0, ne1, ne2 }; + + struct ggml_tensor * result = ggml_view_impl(ctx, a, 3, ne, offset); + + result->nb[1] = nb1; + result->nb[2] = nb2; + result->nb[3] = result->nb[2]*ne2; + + return result; +} + +// ggml_view_4d + +struct ggml_tensor * ggml_view_4d( + struct ggml_context * ctx, + struct ggml_tensor * a, + int64_t ne0, + int64_t ne1, + int64_t ne2, + int64_t ne3, + size_t nb1, + size_t nb2, + size_t nb3, + size_t offset) { + + const int64_t ne[4] = { ne0, ne1, ne2, ne3 }; + + struct ggml_tensor * result = ggml_view_impl(ctx, a, 4, ne, offset); + + result->nb[1] = nb1; + result->nb[2] = nb2; + result->nb[3] = nb3; + + return result; +} + +// ggml_permute + +struct ggml_tensor * ggml_permute( + struct ggml_context * ctx, + struct ggml_tensor * a, + int axis0, + int axis1, + int axis2, + int axis3) { + GGML_ASSERT(axis0 >= 0 && axis0 < GGML_MAX_DIMS); + GGML_ASSERT(axis1 >= 0 && axis1 < GGML_MAX_DIMS); + GGML_ASSERT(axis2 >= 0 && axis2 < GGML_MAX_DIMS); + GGML_ASSERT(axis3 >= 0 && axis3 < GGML_MAX_DIMS); + + GGML_ASSERT(axis0 != axis1); + GGML_ASSERT(axis0 != axis2); + GGML_ASSERT(axis0 != axis3); + GGML_ASSERT(axis1 != axis2); + GGML_ASSERT(axis1 != axis3); + GGML_ASSERT(axis2 != axis3); + + bool is_node = false; + + if (a->grad) { + is_node = true; + } + + struct ggml_tensor * result = ggml_view_tensor(ctx, a); + ggml_format_name(result, "%s (permuted)", a->name); + + int ne[GGML_MAX_DIMS]; + int nb[GGML_MAX_DIMS]; + + ne[axis0] = a->ne[0]; + ne[axis1] = a->ne[1]; + ne[axis2] = a->ne[2]; + ne[axis3] = a->ne[3]; + + nb[axis0] = a->nb[0]; + nb[axis1] = a->nb[1]; + nb[axis2] = a->nb[2]; + nb[axis3] = a->nb[3]; + + result->ne[0] = ne[0]; + result->ne[1] = ne[1]; + result->ne[2] = ne[2]; + result->ne[3] = ne[3]; + + result->nb[0] = nb[0]; + result->nb[1] = nb[1]; + result->nb[2] = nb[2]; + result->nb[3] = nb[3]; + + result->op = GGML_OP_PERMUTE; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + int32_t params[] = { axis0, axis1, axis2, axis3 }; + ggml_set_op_params(result, params, sizeof(params)); + + return result; +} + +// ggml_transpose + +struct ggml_tensor * ggml_transpose( + struct ggml_context * ctx, + struct ggml_tensor * a) { + bool is_node = false; + + if (a->grad) { + is_node = true; + } + + struct ggml_tensor * result = ggml_view_tensor(ctx, a); + ggml_format_name(result, "%s (transposed)", a->name); + + result->ne[0] = a->ne[1]; + result->ne[1] = a->ne[0]; + + result->nb[0] = a->nb[1]; + result->nb[1] = a->nb[0]; + + result->op = GGML_OP_TRANSPOSE; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +// ggml_get_rows + +struct ggml_tensor * ggml_get_rows( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + GGML_ASSERT(a->ne[2] == b->ne[1]); + GGML_ASSERT(b->ne[3] == 1); + GGML_ASSERT(b->type == GGML_TYPE_I32); + + bool is_node = false; + + if (a->grad || b->grad) { + is_node = true; + } + + // TODO: implement non F32 return + enum ggml_type type = GGML_TYPE_F32; + if (a->type == GGML_TYPE_I32) { + type = a->type; + } + struct ggml_tensor * result = ggml_new_tensor_4d(ctx, type, a->ne[0], b->ne[0], b->ne[1], b->ne[2]); + + result->op = GGML_OP_GET_ROWS; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +// ggml_get_rows_back + +struct ggml_tensor * ggml_get_rows_back( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + struct ggml_tensor * c) { + GGML_ASSERT(ggml_is_matrix(a) && ggml_is_vector(b) && b->type == GGML_TYPE_I32); + GGML_ASSERT(ggml_is_matrix(c) && (a->ne[0] == c->ne[0])); + + bool is_node = false; + + if (a->grad || b->grad) { + is_node = true; + } + + // TODO: implement non F32 return + //struct ggml_tensor * result = ggml_new_tensor_2d(ctx, a->type, a->ne[0], b->ne[0]); + struct ggml_tensor * result = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, c->ne[0], c->ne[1]); + + result->op = GGML_OP_GET_ROWS_BACK; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +// ggml_diag + +struct ggml_tensor * ggml_diag( + struct ggml_context * ctx, + struct ggml_tensor * a) { + GGML_ASSERT(a->ne[1] == 1); + bool is_node = false; + + if (a->grad) { + is_node = true; + } + + const int64_t ne[4] = { a->ne[0], a->ne[0], a->ne[2], a->ne[3] }; + struct ggml_tensor * result = ggml_new_tensor(ctx, a->type, 4, ne); + + result->op = GGML_OP_DIAG; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +// ggml_diag_mask_inf + +static struct ggml_tensor * ggml_diag_mask_inf_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + int n_past, + bool inplace) { + bool is_node = false; + + if (a->grad) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + int32_t params[] = { n_past }; + ggml_set_op_params(result, params, sizeof(params)); + + result->op = GGML_OP_DIAG_MASK_INF; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_diag_mask_inf( + struct ggml_context * ctx, + struct ggml_tensor * a, + int n_past) { + return ggml_diag_mask_inf_impl(ctx, a, n_past, false); +} + +struct ggml_tensor * ggml_diag_mask_inf_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + int n_past) { + return ggml_diag_mask_inf_impl(ctx, a, n_past, true); +} + +// ggml_diag_mask_zero + +static struct ggml_tensor * ggml_diag_mask_zero_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + int n_past, + bool inplace) { + bool is_node = false; + + if (a->grad) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + int32_t params[] = { n_past }; + ggml_set_op_params(result, params, sizeof(params)); + + result->op = GGML_OP_DIAG_MASK_ZERO; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_diag_mask_zero( + struct ggml_context * ctx, + struct ggml_tensor * a, + int n_past) { + return ggml_diag_mask_zero_impl(ctx, a, n_past, false); +} + +struct ggml_tensor * ggml_diag_mask_zero_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + int n_past) { + return ggml_diag_mask_zero_impl(ctx, a, n_past, true); +} + +// ggml_soft_max + +static struct ggml_tensor * ggml_soft_max_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * mask, + float scale, + float max_bias, + bool inplace) { + GGML_ASSERT(ggml_is_contiguous(a)); + + if (mask) { + GGML_ASSERT(mask->type == GGML_TYPE_F16 || mask->type == GGML_TYPE_F32); + GGML_ASSERT(ggml_is_contiguous(mask)); + GGML_ASSERT(ggml_is_matrix(mask)); + GGML_ASSERT(mask->ne[0] == a->ne[0]); + GGML_ASSERT(mask->ne[1] >= a->ne[1]); + } + + if (max_bias > 0.0f) { + GGML_ASSERT(mask); + } + + bool is_node = false; + + if (a->grad) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + float params[] = { scale, max_bias }; + ggml_set_op_params(result, params, sizeof(params)); + + result->op = GGML_OP_SOFT_MAX; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = mask; + + return result; +} + +struct ggml_tensor * ggml_soft_max( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_soft_max_impl(ctx, a, NULL, 1.0f, 0.0f, false); +} + +struct ggml_tensor * ggml_soft_max_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a) { + return ggml_soft_max_impl(ctx, a, NULL, 1.0f, 0.0f, true); +} + +struct ggml_tensor * ggml_soft_max_ext( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * mask, + float scale, + float max_bias) { + return ggml_soft_max_impl(ctx, a, mask, scale, max_bias, false); +} + +// ggml_soft_max_back + +static struct ggml_tensor * ggml_soft_max_back_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + bool inplace) { + bool is_node = false; + + if (a->grad || b->grad) { + is_node = true; // TODO : implement backward pass + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + result->op = GGML_OP_SOFT_MAX_BACK; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +struct ggml_tensor * ggml_soft_max_back( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + return ggml_soft_max_back_impl(ctx, a, b, false); +} + +struct ggml_tensor * ggml_soft_max_back_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + return ggml_soft_max_back_impl(ctx, a, b, true); +} + +// ggml_rope + +static struct ggml_tensor * ggml_rope_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + struct ggml_tensor * c, + int n_dims, + int mode, + int n_ctx_orig, + float freq_base, + float freq_scale, + float ext_factor, + float attn_factor, + float beta_fast, + float beta_slow, + bool inplace) { + GGML_ASSERT((mode & 1) == 0 && "mode & 1 == 1 is no longer supported"); + + GGML_ASSERT(ggml_is_vector(b)); + GGML_ASSERT(b->type == GGML_TYPE_I32); + GGML_ASSERT(a->ne[2] == b->ne[0]); + + if (c) { + GGML_ASSERT(c->type == GGML_TYPE_F32); + GGML_ASSERT(c->ne[0] >= n_dims / 2); + } + + bool is_node = false; + + if (a->grad) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + int32_t params[11] = { /*n_past*/ 0, n_dims, mode, /*n_ctx*/ 0, n_ctx_orig }; + memcpy(params + 5, &freq_base, sizeof(float)); + memcpy(params + 6, &freq_scale, sizeof(float)); + memcpy(params + 7, &ext_factor, sizeof(float)); + memcpy(params + 8, &attn_factor, sizeof(float)); + memcpy(params + 9, &beta_fast, sizeof(float)); + memcpy(params + 10, &beta_slow, sizeof(float)); + ggml_set_op_params(result, params, sizeof(params)); + + result->op = GGML_OP_ROPE; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + result->src[2] = c; + + return result; +} + +struct ggml_tensor * ggml_rope( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + int n_dims, + int mode) { + return ggml_rope_impl( + ctx, a, b, NULL, n_dims, mode, 0, 10000.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, false + ); +} + +struct ggml_tensor * ggml_rope_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + int n_dims, + int mode) { + return ggml_rope_impl( + ctx, a, b, NULL, n_dims, mode, 0, 10000.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, true + ); +} + +struct ggml_tensor * ggml_rope_ext( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + struct ggml_tensor * c, + int n_dims, + int mode, + int n_ctx_orig, + float freq_base, + float freq_scale, + float ext_factor, + float attn_factor, + float beta_fast, + float beta_slow) { + return ggml_rope_impl( + ctx, a, b, c, n_dims, mode, n_ctx_orig, freq_base, freq_scale, + ext_factor, attn_factor, beta_fast, beta_slow, false + ); +} + +struct ggml_tensor * ggml_rope_ext_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + struct ggml_tensor * c, + int n_dims, + int mode, + int n_ctx_orig, + float freq_base, + float freq_scale, + float ext_factor, + float attn_factor, + float beta_fast, + float beta_slow) { + return ggml_rope_impl( + ctx, a, b, c, n_dims, mode, n_ctx_orig, freq_base, freq_scale, + ext_factor, attn_factor, beta_fast, beta_slow, true + ); +} + +struct ggml_tensor * ggml_rope_custom( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + int n_dims, + int mode, + int n_ctx_orig, + float freq_base, + float freq_scale, + float ext_factor, + float attn_factor, + float beta_fast, + float beta_slow) { + return ggml_rope_impl( + ctx, a, b, NULL, n_dims, mode, n_ctx_orig, freq_base, freq_scale, + ext_factor, attn_factor, beta_fast, beta_slow, false + ); +} + +struct ggml_tensor * ggml_rope_custom_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + int n_dims, + int mode, + int n_ctx_orig, + float freq_base, + float freq_scale, + float ext_factor, + float attn_factor, + float beta_fast, + float beta_slow) { + return ggml_rope_impl( + ctx, a, b, NULL, n_dims, mode, n_ctx_orig, freq_base, freq_scale, + ext_factor, attn_factor, beta_fast, beta_slow, true + ); +} + +// ggml_rope_back + +struct ggml_tensor * ggml_rope_back( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + struct ggml_tensor * c, + int n_dims, + int mode, + int n_ctx_orig, + float freq_base, + float freq_scale, + float ext_factor, + float attn_factor, + float beta_fast, + float beta_slow) { + GGML_ASSERT(ggml_is_vector(b)); + GGML_ASSERT(b->type == GGML_TYPE_I32); + GGML_ASSERT(a->ne[2] == b->ne[0]); + GGML_ASSERT(c == NULL && "freq factors not implemented yet"); + + GGML_ASSERT((mode & 4) == 0 && "ggml_rope_back() for ChatGLM not implemented yet"); + + bool is_node = false; + + if (a->grad) { + is_node = false; // TODO: implement backward + } + + struct ggml_tensor * result = ggml_dup_tensor(ctx, a); + + int32_t params[11] = { /*n_past*/ 0, n_dims, mode, /*n_ctx*/ 0, n_ctx_orig }; + memcpy(params + 5, &freq_base, sizeof(float)); + memcpy(params + 6, &freq_scale, sizeof(float)); + memcpy(params + 7, &ext_factor, sizeof(float)); + memcpy(params + 8, &attn_factor, sizeof(float)); + memcpy(params + 9, &beta_fast, sizeof(float)); + memcpy(params + 10, &beta_slow, sizeof(float)); + ggml_set_op_params(result, params, sizeof(params)); + + result->op = GGML_OP_ROPE_BACK; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +// ggml_clamp + +struct ggml_tensor * ggml_clamp( + struct ggml_context * ctx, + struct ggml_tensor * a, + float min, + float max) { + bool is_node = false; + + if (a->grad) { + GGML_ASSERT(false); // TODO: implement backward + is_node = true; + } + + // TODO: when implement backward, fix this: + struct ggml_tensor * result = ggml_view_tensor(ctx, a); + + float params[] = { min, max }; + ggml_set_op_params(result, params, sizeof(params)); + + result->op = GGML_OP_CLAMP; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +// ggml_conv_1d + +static int64_t ggml_calc_conv_output_size(int64_t ins, int64_t ks, int s, int p, int d) { + return (ins + 2 * p - d * (ks - 1) - 1) / s + 1; +} + +GGML_API struct ggml_tensor * ggml_conv_1d( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + int s0, + int p0, + int d0) { + struct ggml_tensor * im2col = ggml_im2col(ctx, a, b, s0, 0, p0, 0, d0, 0, false, GGML_TYPE_F16); // [N, OL, IC * K] + + struct ggml_tensor * result = + ggml_mul_mat(ctx, + ggml_reshape_2d(ctx, im2col, im2col->ne[0], (im2col->ne[2] * im2col->ne[1])), // [N, OL, IC * K] => [N*OL, IC * K] + ggml_reshape_2d(ctx, a, (a->ne[0] * a->ne[1]), a->ne[2])); // [OC，IC, K] => [OC, IC * K] + + result = ggml_reshape_3d(ctx, result, im2col->ne[1], a->ne[2], im2col->ne[2]); // [N, OC, OL] + + return result; +} + +// ggml_conv_1d_ph + +struct ggml_tensor* ggml_conv_1d_ph( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + int s, + int d) { + return ggml_conv_1d(ctx, a, b, s, a->ne[0] / 2, d); +} + +// ggml_conv_transpose_1d + +static int64_t ggml_calc_conv_transpose_1d_output_size(int64_t ins, int64_t ks, int s, int p, int d) { + return (ins - 1) * s - 2 * p + d * (ks - 1) + 1; +} + +GGML_API struct ggml_tensor * ggml_conv_transpose_1d( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + int s0, + int p0, + int d0) { + GGML_ASSERT(ggml_is_matrix(b)); + GGML_ASSERT(a->ne[2] == b->ne[1]); + GGML_ASSERT(a->ne[3] == 1); + + GGML_ASSERT(p0 == 0); + GGML_ASSERT(d0 == 1); + + bool is_node = false; + + if (a->grad || b->grad) { + GGML_ASSERT(false); // TODO: implement backward + is_node = true; + } + + const int64_t ne[4] = { + ggml_calc_conv_transpose_1d_output_size(b->ne[0], a->ne[0], s0, 0 /*p0*/, 1 /*d0*/), + a->ne[1], b->ne[2], 1, + }; + struct ggml_tensor * result = ggml_new_tensor(ctx, GGML_TYPE_F32, 4, ne); + + int32_t params[] = { s0, p0, d0 }; + ggml_set_op_params(result, params, sizeof(params)); + + result->op = GGML_OP_CONV_TRANSPOSE_1D; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +// ggml_conv_depthwise +struct ggml_tensor * ggml_conv_depthwise_2d( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + int s0, + int s1, + int p0, + int p1, + int d0, + int d1) { + + struct ggml_tensor * new_a = ggml_reshape_4d(ctx, a, a->ne[0], a->ne[1], 1, a->ne[2] * a->ne[3]); + struct ggml_tensor * im2col = ggml_im2col(ctx, new_a, + ggml_reshape_4d(ctx, b, b->ne[0], b->ne[1], 1, b->ne[2] * b->ne[3]), + s0, s1, p0, p1, d0, d1, true, GGML_TYPE_F16); // [N * IC, OH, OW, KH * KW] + struct ggml_tensor * new_b = ggml_reshape_4d(ctx, im2col, im2col->ne[0], im2col->ne[2] * im2col->ne[1], b->ne[2], b->ne[3]); // [N * IC, OH, OW, KH * KW] => [N, IC, OH * OW, KH * KW] + + new_a = ggml_reshape_4d(ctx, new_a, (new_a->ne[0] * new_a->ne[1]), new_a->ne[2], new_a->ne[3], 1); // [OC，1, KH, KW] => [1, OC, 1, KH * KW] + struct ggml_tensor * result = ggml_mul_mat(ctx, new_a, new_b); + result = ggml_reshape_4d(ctx, result, im2col->ne[1], im2col->ne[2], b->ne[2], b->ne[3]); // [N, OC, OH, OW] + + return result; +} +// ggml_conv_2d + +// im2col: [N, IC, IH, IW] => [N, OH, OW, IC*KH*KW] +// a: [OC，IC, KH, KW] +// b: [N, IC, IH, IW] +// result: [N, OH, OW, IC*KH*KW] +struct ggml_tensor * ggml_im2col( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + int s0, + int s1, + int p0, + int p1, + int d0, + int d1, + bool is_2D, + enum ggml_type dst_type) { + + if(is_2D) { + GGML_ASSERT(a->ne[2] == b->ne[2]); + } else { + GGML_ASSERT(a->ne[1] == b->ne[1]); + } + bool is_node = false; + + if (a->grad || b->grad) { + GGML_ASSERT(false); // TODO: implement backward + is_node = true; + } + + const int64_t OH = is_2D ? ggml_calc_conv_output_size(b->ne[1], a->ne[1], s1, p1, d1) : 0; + const int64_t OW = ggml_calc_conv_output_size(b->ne[0], a->ne[0], s0, p0, d0); + + const int64_t ne[4] = { + is_2D ? (a->ne[2] * a->ne[1] * a->ne[0]) : a->ne[1] * a->ne[0], + OW, + is_2D ? OH : b->ne[2], + is_2D ? b->ne[3] : 1, + }; + + struct ggml_tensor * result = ggml_new_tensor(ctx, dst_type, 4, ne); + int32_t params[] = { s0, s1, p0, p1, d0, d1, (is_2D ? 1 : 0) }; + ggml_set_op_params(result, params, sizeof(params)); + + result->op = GGML_OP_IM2COL; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +// a: [OC，IC, KH, KW] +// b: [N, IC, IH, IW] +// result: [N, OC, OH, OW] +struct ggml_tensor * ggml_conv_2d( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + int s0, + int s1, + int p0, + int p1, + int d0, + int d1) { + struct ggml_tensor * im2col = ggml_im2col(ctx, a, b, s0, s1, p0, p1, d0, d1, true, GGML_TYPE_F16); // [N, OH, OW, IC * KH * KW] + + struct ggml_tensor * result = + ggml_mul_mat(ctx, + ggml_reshape_2d(ctx, im2col, im2col->ne[0], im2col->ne[3] * im2col->ne[2] * im2col->ne[1]), // [N, OH, OW, IC * KH * KW] => [N*OH*OW, IC * KH * KW] + ggml_reshape_2d(ctx, a, (a->ne[0] * a->ne[1] * a->ne[2]), a->ne[3])); // [OC，IC, KH, KW] => [OC, IC * KH * KW] + + result = ggml_reshape_4d(ctx, result, im2col->ne[1], im2col->ne[2], im2col->ne[3], a->ne[3]); // [OC, N, OH, OW] + result = ggml_cont(ctx, ggml_permute(ctx, result, 0, 1, 3, 2)); // [N, OC, OH, OW] + + + return result; +} + +// ggml_conv_2d_sk_p0 +struct ggml_tensor * ggml_conv_2d_sk_p0( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + return ggml_conv_2d(ctx, a, b, a->ne[0], a->ne[1], 0, 0, 1, 1); +} + +// ggml_conv_2d_s1_ph + +struct ggml_tensor * ggml_conv_2d_s1_ph( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + return ggml_conv_2d(ctx, a, b, 1, 1, a->ne[0] / 2, a->ne[1] / 2, 1, 1); +} + +// ggml_conv_transpose_2d_p0 + +static int64_t ggml_calc_conv_transpose_output_size(int64_t ins, int64_t ks, int s, int p) { + return (ins - 1) * s - 2 * p + ks; +} + +struct ggml_tensor * ggml_conv_transpose_2d_p0( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + int stride) { + GGML_ASSERT(a->ne[3] == b->ne[2]); + + bool is_node = false; + + if (a->grad || b->grad) { + GGML_ASSERT(false); // TODO: implement backward + is_node = true; + } + + const int64_t ne[4] = { + ggml_calc_conv_transpose_output_size(b->ne[0], a->ne[0], stride, 0 /*p0*/), + ggml_calc_conv_transpose_output_size(b->ne[1], a->ne[1], stride, 0 /*p1*/), + a->ne[2], b->ne[3], + }; + + struct ggml_tensor* result = ggml_new_tensor(ctx, GGML_TYPE_F32, 4, ne); + + ggml_set_op_params_i32(result, 0, stride); + + result->op = GGML_OP_CONV_TRANSPOSE_2D; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +// ggml_pool_* + +static int64_t ggml_calc_pool_output_size(int64_t ins, int ks, int s, float p) { + return (ins + 2 * p - ks) / s + 1; +} + +// ggml_pool_1d + +struct ggml_tensor * ggml_pool_1d( + struct ggml_context * ctx, + struct ggml_tensor * a, + enum ggml_op_pool op, + int k0, + int s0, + int p0) { + + bool is_node = false; + + if (a->grad) { + GGML_ASSERT(false); // TODO: implement backward + is_node = true; + } + + const int64_t ne[4] = { + ggml_calc_pool_output_size(a->ne[0], k0, s0, p0), + a->ne[1], + a->ne[2], + a->ne[3], + }; + struct ggml_tensor * result = ggml_new_tensor(ctx, GGML_TYPE_F32, 4, ne); + + int32_t params[] = { op, k0, s0, p0 }; + ggml_set_op_params(result, params, sizeof(params)); + + result->op = GGML_OP_POOL_1D; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +// ggml_pool_2d + +struct ggml_tensor * ggml_pool_2d( + struct ggml_context * ctx, + struct ggml_tensor * a, + enum ggml_op_pool op, + int k0, + int k1, + int s0, + int s1, + float p0, + float p1) { + + bool is_node = false; + + if (a->grad) { + GGML_ASSERT(false); // TODO: implement backward + is_node = true; + } + + struct ggml_tensor * result; + const int64_t ne[3] = { + ggml_calc_pool_output_size(a->ne[0], k0, s0, p0), + ggml_calc_pool_output_size(a->ne[1], k1, s1, p1), + a->ne[2], + }; + result = ggml_new_tensor(ctx, GGML_TYPE_F32, 3, ne); + + int32_t params[] = { op, k0, k1, s0, s1, p0, p1 }; + ggml_set_op_params(result, params, sizeof(params)); + + result->op = GGML_OP_POOL_2D; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + return result; +} + +// ggml_upscale + +static struct ggml_tensor * ggml_upscale_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + int ne0, + int ne1, + int ne2, + int ne3) { + bool is_node = false; + + if (a->grad) { + GGML_ASSERT(false); // TODO: implement backward + is_node = true; + } + + GGML_ASSERT(a->ne[0] <= ne0); + GGML_ASSERT(a->ne[1] <= ne1); + GGML_ASSERT(a->ne[2] <= ne2); + GGML_ASSERT(a->ne[3] <= ne3); + + struct ggml_tensor * result = ggml_new_tensor_4d(ctx, a->type, + ne0, + ne1, + ne2, + ne3 + ); + + result->op = GGML_OP_UPSCALE; + + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_upscale( + struct ggml_context * ctx, + struct ggml_tensor * a, + int scale_factor) { + return ggml_upscale_impl(ctx, a, a->ne[0] * scale_factor, a->ne[1] * scale_factor, a->ne[2], a->ne[3]); +} + +struct ggml_tensor * ggml_upscale_ext( + struct ggml_context * ctx, + struct ggml_tensor * a, + int ne0, + int ne1, + int ne2, + int ne3) { + return ggml_upscale_impl(ctx, a, ne0, ne1, ne2, ne3); +} + +// ggml_pad + +struct ggml_tensor * ggml_pad( + struct ggml_context * ctx, + struct ggml_tensor * a, + int p0, int p1, int p2, int p3) { + bool is_node = false; + + if (a->grad) { + GGML_ASSERT(false); // TODO: implement backward + is_node = true; + } + + struct ggml_tensor * result = ggml_new_tensor_4d(ctx, a->type, + a->ne[0] + p0, + a->ne[1] + p1, + a->ne[2] + p2, + a->ne[3] + p3); + + result->op = GGML_OP_PAD; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +// ggml_arange + +struct ggml_tensor * ggml_arange( + struct ggml_context * ctx, + float start, + float stop, + float step) { + + GGML_ASSERT(stop > start); + + const int64_t steps = (int64_t) ceilf((stop - start) / step); + + struct ggml_tensor * result = ggml_new_tensor_1d(ctx, GGML_TYPE_F32, steps); + + result->op = GGML_OP_ARANGE; + ggml_set_op_params_f32(result, 0, start); + ggml_set_op_params_f32(result, 1, stop); + ggml_set_op_params_f32(result, 2, step); + + return result; +} + +// ggml_timestep_embedding + +struct ggml_tensor * ggml_timestep_embedding( + struct ggml_context * ctx, + struct ggml_tensor * timesteps, + int dim, + int max_period) { + bool is_node = false; + + if (timesteps->grad) { + GGML_ASSERT(false); // TODO: implement backward + is_node = true; + } + + int actual_dim = dim; + if (dim % 2 != 0) { + actual_dim = dim + 1; + } + + struct ggml_tensor * result = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, actual_dim, timesteps->ne[0]); + + result->op = GGML_OP_TIMESTEP_EMBEDDING; + ggml_set_op_params_i32(result, 0, dim); + ggml_set_op_params_i32(result, 1, max_period); + + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = timesteps; + + return result; +} + +// ggml_argsort + +struct ggml_tensor * ggml_argsort( + struct ggml_context * ctx, + struct ggml_tensor * a, + enum ggml_sort_order order) { + bool is_node = false; + + struct ggml_tensor * result = ggml_new_tensor(ctx, GGML_TYPE_I32, GGML_MAX_DIMS, a->ne); + + ggml_set_op_params_i32(result, 0, (int32_t) order); + + result->op = GGML_OP_ARGSORT; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +// ggml_top_k + +struct ggml_tensor * ggml_top_k( + struct ggml_context * ctx, + struct ggml_tensor * a, + int k) { + GGML_ASSERT(a->ne[0] >= k); + + struct ggml_tensor * result = ggml_argsort(ctx, a, GGML_SORT_ORDER_DESC); + + result = ggml_view_4d(ctx, result, + k, result->ne[1], result->ne[2], result->ne[3], + result->nb[1], result->nb[2], result->nb[3], + 0); + + return result; +} + +// ggml_flash_attn_ext + +struct ggml_tensor * ggml_flash_attn_ext( + struct ggml_context * ctx, + struct ggml_tensor * q, + struct ggml_tensor * k, + struct ggml_tensor * v, + struct ggml_tensor * mask, + float scale, + float max_bias) { + GGML_ASSERT(ggml_can_mul_mat(k, q)); + // TODO: check if vT can be multiplied by (k*qT) + + if (mask) { + GGML_ASSERT(ggml_is_contiguous(mask)); + GGML_ASSERT(mask->ne[2] == 1); + GGML_ASSERT(mask->ne[3] == 1); + GGML_ASSERT(mask->ne[1] >= GGML_PAD(q->ne[1], GGML_KQ_MASK_PAD) && + "the Flash-Attention kernel requires the mask to be padded to GGML_KQ_MASK_PAD and at least n_queries big"); + //GGML_ASSERT(ggml_can_repeat_rows(mask, qk)); + } + + if (max_bias > 0.0f) { + GGML_ASSERT(mask); + } + + bool is_node = false; + + if (q->grad || k->grad || v->grad) { + is_node = true; + } + + // permute(0, 2, 1, 3) + int64_t ne[4] = { q->ne[0], q->ne[2], q->ne[1], q->ne[3] }; + struct ggml_tensor * result = ggml_new_tensor(ctx, GGML_TYPE_F32, 4, ne); + + float params[] = { scale, max_bias }; + ggml_set_op_params(result, params, sizeof(params)); + + result->op = GGML_OP_FLASH_ATTN_EXT; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = q; + result->src[1] = k; + result->src[2] = v; + result->src[3] = mask; + + return result; +} + +void ggml_flash_attn_ext_set_prec( + struct ggml_tensor * a, + enum ggml_prec prec) { + GGML_ASSERT(a->op == GGML_OP_FLASH_ATTN_EXT); + + const int32_t prec_i32 = (int32_t) prec; + + ggml_set_op_params_i32(a, 2, prec_i32); // scale is on first pos, max_bias on second +} + +// ggml_flash_attn_back + +struct ggml_tensor * ggml_flash_attn_back( + struct ggml_context * ctx, + struct ggml_tensor * q, + struct ggml_tensor * k, + struct ggml_tensor * v, + struct ggml_tensor * d, + bool masked) { + GGML_ASSERT(false && "TODO: adapt to ggml_flash_attn_ext() changes"); + + GGML_ASSERT(ggml_can_mul_mat(k, q)); + // TODO: check if vT can be multiplied by (k*qT) + + // d shape [D,N,ne2,ne3] + // q shape [D,N,ne2,ne3] + // k shape [D,M,kvne2,ne3] + // v shape [M,D,kvne2,ne3] + + const int64_t D = q->ne[0]; + const int64_t N = q->ne[1]; + const int64_t M = k->ne[1]; + const int64_t ne2 = q->ne[2]; + const int64_t ne3 = q->ne[3]; + const int64_t kvne2 = k->ne[2]; + + GGML_ASSERT(k->ne[0] == D); + GGML_ASSERT(v->ne[0] == M); + GGML_ASSERT(v->ne[1] == D); + GGML_ASSERT(d->ne[0] == D); + GGML_ASSERT(d->ne[1] == N); + GGML_ASSERT(k->ne[2] == kvne2); + GGML_ASSERT(k->ne[3] == ne3); + GGML_ASSERT(v->ne[2] == kvne2); + GGML_ASSERT(v->ne[3] == ne3); + GGML_ASSERT(d->ne[2] == ne2); + GGML_ASSERT(d->ne[3] == ne3); + + GGML_ASSERT(ne2 % kvne2 == 0); + + bool is_node = false; + + if (q->grad || k->grad || v->grad) { + // when using this operation (in backwards pass) these grads are set. + // we don't want to create (big) grad of our result, so is_node is false. + is_node = false; + } + + // store gradients of q, k and v as continuous tensors concatenated in result. + // note: v and gradv are actually transposed, i.e. v->ne[0] != D. + const int64_t elem_q = ggml_nelements(q); + const int64_t elem_k = ggml_nelements(k); + const int64_t elem_v = ggml_nelements(v); + + enum ggml_type result_type = GGML_TYPE_F32; + GGML_ASSERT(ggml_blck_size(result_type) == 1); + const size_t tsize = ggml_type_size(result_type); + + const size_t offs_q = 0; + const size_t offs_k = offs_q + GGML_PAD(elem_q * tsize, GGML_MEM_ALIGN); + const size_t offs_v = offs_k + GGML_PAD(elem_k * tsize, GGML_MEM_ALIGN); + const size_t end = offs_v + GGML_PAD(elem_v * tsize, GGML_MEM_ALIGN); + + const size_t nelements = (end + tsize - 1)/tsize; + + struct ggml_tensor * result = ggml_new_tensor_1d(ctx, GGML_TYPE_F32, nelements); + + int32_t masked_i = masked ? 1 : 0; + ggml_set_op_params(result, &masked_i, sizeof(masked_i)); + + result->op = GGML_OP_FLASH_ATTN_BACK; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = q; + result->src[1] = k; + result->src[2] = v; + result->src[3] = d; + + return result; +} + +// ggml_ssm_conv + +struct ggml_tensor * ggml_ssm_conv( + struct ggml_context * ctx, + struct ggml_tensor * s, + struct ggml_tensor * x, + struct ggml_tensor * c, + struct ggml_tensor * sq) { + GGML_ASSERT(ggml_is_3d(s)); + GGML_ASSERT(ggml_is_matrix(x)); + GGML_ASSERT(ggml_is_matrix(c)); + GGML_ASSERT(ggml_is_matrix(sq)); + GGML_ASSERT(sq->type == GGML_TYPE_I32); + + const int64_t d_conv = c->ne[0]; + const int64_t d_inner = c->ne[1]; + const int64_t n_tokens = x->ne[1]; + const int64_t n_kv = s->ne[2]; + + GGML_ASSERT( s->ne[0] == d_conv - 1); + GGML_ASSERT( s->ne[1] == d_inner); + GGML_ASSERT( x->ne[0] == d_inner); + GGML_ASSERT(sq->ne[0] == n_kv); + GGML_ASSERT(sq->ne[1] == n_tokens); + + bool is_node = false; + + if (s->grad || x->grad || c->grad || sq->grad) { + GGML_ASSERT(false); // TODO: implement + is_node = true; + } + + // 2-in-1 concatenated x and conv_states, {d_inner, n_tokens} with {d_conv, d_inner, n_kv} + struct ggml_tensor * result = ggml_new_tensor_1d(ctx, GGML_TYPE_F32, (d_inner*n_tokens) + (d_conv*d_inner*n_kv)); + + result->op = GGML_OP_SSM_CONV; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = s; + result->src[1] = x; + result->src[2] = c; + result->src[3] = sq; + + return result; +} + +// ggml_ssm_scan + +struct ggml_tensor * ggml_ssm_scan( + struct ggml_context * ctx, + struct ggml_tensor * s, + struct ggml_tensor * x, + struct ggml_tensor * dt, + struct ggml_tensor * A, + struct ggml_tensor * B, + struct ggml_tensor * C, + struct ggml_tensor * sq) { + GGML_ASSERT(ggml_is_contiguous(s)); + GGML_ASSERT(ggml_is_contiguous(x)); + GGML_ASSERT(ggml_is_contiguous(dt)); + GGML_ASSERT(ggml_is_contiguous(A)); + GGML_ASSERT(sq->type == GGML_TYPE_I32); + GGML_ASSERT(B->nb[0] == ggml_type_size(B->type)); + GGML_ASSERT(C->nb[0] == ggml_type_size(C->type)); + GGML_ASSERT(ggml_are_same_shape(x, dt)); + + { + const int64_t d_state = s->ne[0]; + const int64_t d_inner = s->ne[1]; + const int64_t n_tokens = x->ne[1]; + + GGML_ASSERT(x->ne[0] == d_inner); + GGML_ASSERT(A->ne[0] == d_state); + GGML_ASSERT(A->ne[1] == d_inner); + GGML_ASSERT(B->ne[0] == d_state); + GGML_ASSERT(B->ne[1] == n_tokens); + GGML_ASSERT(C->ne[0] == d_state); + GGML_ASSERT(C->ne[1] == n_tokens); + } + + bool is_node = false; + + if (s->grad || x->grad || dt->grad || A->grad || B->grad || C->grad || sq->grad) { + GGML_ASSERT(false); // TODO: implement + is_node = true; + } + + // 2-in-1 concatenated y and ssm_states, {d_inner, n_tokens} with {d_state, d_inner, n_kv} + struct ggml_tensor * result = ggml_new_tensor_1d(ctx, GGML_TYPE_F32, ggml_nelements(x) + ggml_nelements(s)); + + result->op = GGML_OP_SSM_SCAN; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = s; + result->src[1] = x; + result->src[2] = dt; + result->src[3] = A; + result->src[4] = B; + result->src[5] = C; + result->src[6] = sq; + + return result; +} + +// ggml_win_part + +struct ggml_tensor * ggml_win_part( + struct ggml_context * ctx, + struct ggml_tensor * a, + int w) { + GGML_ASSERT(a->ne[3] == 1); + GGML_ASSERT(a->type == GGML_TYPE_F32); + + bool is_node = false; + + if (a->grad) { + GGML_ASSERT(false); // TODO: implement backward + is_node = true; + } + + // padding + const int px = (w - a->ne[1]%w)%w; + const int py = (w - a->ne[2]%w)%w; + + const int npx = (px + a->ne[1])/w; + const int npy = (py + a->ne[2])/w; + const int np = npx*npy; + + const int64_t ne[4] = { a->ne[0], w, w, np, }; + struct ggml_tensor * result = ggml_new_tensor(ctx, GGML_TYPE_F32, 4, ne); + + int32_t params[] = { npx, npy, w }; + ggml_set_op_params(result, params, sizeof(params)); + + result->op = GGML_OP_WIN_PART; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +// ggml_win_unpart + +struct ggml_tensor * ggml_win_unpart( + struct ggml_context * ctx, + struct ggml_tensor * a, + int w0, + int h0, + int w) { + GGML_ASSERT(a->type == GGML_TYPE_F32); + + bool is_node = false; + + if (a->grad) { + GGML_ASSERT(false); // TODO: implement backward + is_node = true; + } + + const int64_t ne[4] = { a->ne[0], w0, h0, 1, }; + struct ggml_tensor * result = ggml_new_tensor(ctx, GGML_TYPE_F32, 3, ne); + + int32_t params[] = { w }; + ggml_set_op_params(result, params, sizeof(params)); + + result->op = GGML_OP_WIN_UNPART; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +// ggml_get_rel_pos + +struct ggml_tensor * ggml_get_rel_pos( + struct ggml_context * ctx, + struct ggml_tensor * a, + int qh, + int kh) { + GGML_ASSERT(qh == kh); + GGML_ASSERT(2*MAX(qh, kh) - 1 == a->ne[1]); + + bool is_node = false; + + if (a->grad) { + GGML_ASSERT(false); // TODO: implement backward + is_node = true; + } + + const int64_t ne[4] = { a->ne[0], kh, qh, 1, }; + struct ggml_tensor * result = ggml_new_tensor(ctx, GGML_TYPE_F16, 3, ne); + + result->op = GGML_OP_GET_REL_POS; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +// ggml_add_rel_pos + +static struct ggml_tensor * ggml_add_rel_pos_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * pw, + struct ggml_tensor * ph, + bool inplace) { + GGML_ASSERT(ggml_are_same_shape(pw, ph)); + GGML_ASSERT(ggml_is_contiguous(a)); + GGML_ASSERT(ggml_is_contiguous(pw)); + GGML_ASSERT(ggml_is_contiguous(ph)); + GGML_ASSERT(ph->type == GGML_TYPE_F32); + GGML_ASSERT(pw->type == GGML_TYPE_F32); + GGML_ASSERT(pw->ne[3] == a->ne[2]); + GGML_ASSERT(pw->ne[0]*pw->ne[0] == a->ne[0]); + GGML_ASSERT(pw->ne[1]*pw->ne[2] == a->ne[1]); + + bool is_node = false; + + if (!inplace && (a->grad || pw->grad || ph->grad)) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + ggml_set_op_params_i32(result, 0, inplace ? 1 : 0); + + result->op = GGML_OP_ADD_REL_POS; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = pw; + result->src[2] = ph; + + return result; +} + +struct ggml_tensor * ggml_add_rel_pos( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * pw, + struct ggml_tensor * ph) { + return ggml_add_rel_pos_impl(ctx, a, pw, ph, false); +} + +struct ggml_tensor * ggml_add_rel_pos_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * pw, + struct ggml_tensor * ph) { + return ggml_add_rel_pos_impl(ctx, a, pw, ph, true); +} + +// ggml_unary + +static struct ggml_tensor * ggml_unary_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + enum ggml_unary_op op, + bool inplace) { + GGML_ASSERT(ggml_is_contiguous_1(a)); + + bool is_node = false; + + if (!inplace && (a->grad)) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + ggml_set_op_params_i32(result, 0, (int32_t) op); + + result->op = GGML_OP_UNARY; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_unary( + struct ggml_context * ctx, + struct ggml_tensor * a, + enum ggml_unary_op op) { + return ggml_unary_impl(ctx, a, op, false); +} + +struct ggml_tensor * ggml_unary_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + enum ggml_unary_op op) { + return ggml_unary_impl(ctx, a, op, true); +} + +// ggml_map_unary + +static struct ggml_tensor * ggml_map_unary_impl_f32( + struct ggml_context * ctx, + struct ggml_tensor * a, + const ggml_unary_op_f32_t fun, + bool inplace) { + bool is_node = false; + + if (!inplace && a->grad) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + ggml_set_op_params(result, (const void *) &fun, sizeof(fun)); + + result->op = GGML_OP_MAP_UNARY; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_map_unary_f32( + struct ggml_context * ctx, + struct ggml_tensor * a, + const ggml_unary_op_f32_t fun) { + return ggml_map_unary_impl_f32(ctx, a, fun, false); +} + +struct ggml_tensor * ggml_map_unary_inplace_f32( + struct ggml_context * ctx, + struct ggml_tensor * a, + const ggml_unary_op_f32_t fun) { + return ggml_map_unary_impl_f32(ctx, a, fun, true); +} + +// ggml_map_binary + +static struct ggml_tensor * ggml_map_binary_impl_f32( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + const ggml_binary_op_f32_t fun, + bool inplace) { + GGML_ASSERT(ggml_are_same_shape(a, b)); + + bool is_node = false; + + if (!inplace && (a->grad || b->grad)) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + ggml_set_op_params(result, (const void *) &fun, sizeof(fun)); + + result->op = GGML_OP_MAP_BINARY; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +struct ggml_tensor * ggml_map_binary_f32( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + const ggml_binary_op_f32_t fun) { + return ggml_map_binary_impl_f32(ctx, a, b, fun, false); +} + +struct ggml_tensor * ggml_map_binary_inplace_f32( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + const ggml_binary_op_f32_t fun) { + return ggml_map_binary_impl_f32(ctx, a, b, fun, true); +} + +// ggml_map_custom1_f32 + +static struct ggml_tensor * ggml_map_custom1_impl_f32( + struct ggml_context * ctx, + struct ggml_tensor * a, + const ggml_custom1_op_f32_t fun, + bool inplace) { + bool is_node = false; + + if (!inplace && a->grad) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + ggml_set_op_params(result, (const void *) &fun, sizeof(fun)); + + result->op = GGML_OP_MAP_CUSTOM1_F32; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_map_custom1_f32( + struct ggml_context * ctx, + struct ggml_tensor * a, + const ggml_custom1_op_f32_t fun) { + return ggml_map_custom1_impl_f32(ctx, a, fun, false); +} + +struct ggml_tensor * ggml_map_custom1_inplace_f32( + struct ggml_context * ctx, + struct ggml_tensor * a, + const ggml_custom1_op_f32_t fun) { + return ggml_map_custom1_impl_f32(ctx, a, fun, true); +} + +// ggml_map_custom2_f32 + +static struct ggml_tensor * ggml_map_custom2_impl_f32( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + const ggml_custom2_op_f32_t fun, + bool inplace) { + bool is_node = false; + + if (!inplace && (a->grad || b->grad)) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + ggml_set_op_params(result, (const void *) &fun, sizeof(fun)); + + result->op = GGML_OP_MAP_CUSTOM2_F32; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +struct ggml_tensor * ggml_map_custom2_f32( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + const ggml_custom2_op_f32_t fun) { + return ggml_map_custom2_impl_f32(ctx, a, b, fun, false); +} + +struct ggml_tensor * ggml_map_custom2_inplace_f32( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + const ggml_custom2_op_f32_t fun) { + return ggml_map_custom2_impl_f32(ctx, a, b, fun, true); +} + +// ggml_map_custom3_f32 + +static struct ggml_tensor * ggml_map_custom3_impl_f32( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + struct ggml_tensor * c, + const ggml_custom3_op_f32_t fun, + bool inplace) { + bool is_node = false; + + if (!inplace && (a->grad || b->grad || c->grad)) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + ggml_set_op_params(result, (const void *) &fun, sizeof(fun)); + + result->op = GGML_OP_MAP_CUSTOM3_F32; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + result->src[2] = c; + + return result; +} + +struct ggml_tensor * ggml_map_custom3_f32( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + struct ggml_tensor * c, + const ggml_custom3_op_f32_t fun) { + return ggml_map_custom3_impl_f32(ctx, a, b, c, fun, false); +} + +struct ggml_tensor * ggml_map_custom3_inplace_f32( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + struct ggml_tensor * c, + const ggml_custom3_op_f32_t fun) { + return ggml_map_custom3_impl_f32(ctx, a, b, c, fun, true); +} + +// ggml_map_custom1 +struct ggml_map_custom1_op_params { + ggml_custom1_op_t fun; + int n_tasks; + void * userdata; +}; + +static struct ggml_tensor * ggml_map_custom1_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + const ggml_custom1_op_t fun, + int n_tasks, + void * userdata, + bool inplace) { + GGML_ASSERT(n_tasks == GGML_N_TASKS_MAX || n_tasks > 0); + + bool is_node = false; + + if (!inplace && a->grad) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + struct ggml_map_custom1_op_params params = { + /*.fun =*/ fun, + /*.n_tasks =*/ n_tasks, + /*.userdata =*/ userdata + }; + ggml_set_op_params(result, (const void *) ¶ms, sizeof(params)); + + result->op = GGML_OP_MAP_CUSTOM1; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + + return result; +} + +struct ggml_tensor * ggml_map_custom1( + struct ggml_context * ctx, + struct ggml_tensor * a, + const ggml_custom1_op_t fun, + int n_tasks, + void * userdata) { + return ggml_map_custom1_impl(ctx, a, fun, n_tasks, userdata, false); +} + +struct ggml_tensor * ggml_map_custom1_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + const ggml_custom1_op_t fun, + int n_tasks, + void * userdata) { + return ggml_map_custom1_impl(ctx, a, fun, n_tasks, userdata, true); +} + +// ggml_map_custom2 + +struct ggml_map_custom2_op_params { + ggml_custom2_op_t fun; + int n_tasks; + void * userdata; +}; + +static struct ggml_tensor * ggml_map_custom2_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + const ggml_custom2_op_t fun, + int n_tasks, + void * userdata, + bool inplace) { + GGML_ASSERT(n_tasks == GGML_N_TASKS_MAX || n_tasks > 0); + + bool is_node = false; + + if (!inplace && (a->grad || b->grad)) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + struct ggml_map_custom2_op_params params = { + /*.fun =*/ fun, + /*.n_tasks =*/ n_tasks, + /*.userdata =*/ userdata + }; + ggml_set_op_params(result, (const void *) ¶ms, sizeof(params)); + + result->op = GGML_OP_MAP_CUSTOM2; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +struct ggml_tensor * ggml_map_custom2( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + const ggml_custom2_op_t fun, + int n_tasks, + void * userdata) { + return ggml_map_custom2_impl(ctx, a, b, fun, n_tasks, userdata, false); +} + +struct ggml_tensor * ggml_map_custom2_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + const ggml_custom2_op_t fun, + int n_tasks, + void * userdata) { + return ggml_map_custom2_impl(ctx, a, b, fun, n_tasks, userdata, true); +} + +// ggml_map_custom3 + +struct ggml_map_custom3_op_params { + ggml_custom3_op_t fun; + int n_tasks; + void * userdata; +}; + +static struct ggml_tensor * ggml_map_custom3_impl( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + struct ggml_tensor * c, + const ggml_custom3_op_t fun, + int n_tasks, + void * userdata, + bool inplace) { + GGML_ASSERT(n_tasks == GGML_N_TASKS_MAX || n_tasks > 0); + + bool is_node = false; + + if (!inplace && (a->grad || b->grad || c->grad)) { + is_node = true; + } + + struct ggml_tensor * result = inplace ? ggml_view_tensor(ctx, a) : ggml_dup_tensor(ctx, a); + + struct ggml_map_custom3_op_params params = { + /*.fun =*/ fun, + /*.n_tasks =*/ n_tasks, + /*.userdata =*/ userdata + }; + ggml_set_op_params(result, (const void *) ¶ms, sizeof(params)); + + result->op = GGML_OP_MAP_CUSTOM3; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + result->src[2] = c; + + return result; +} + +struct ggml_tensor * ggml_map_custom3( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + struct ggml_tensor * c, + const ggml_custom3_op_t fun, + int n_tasks, + void * userdata) { + return ggml_map_custom3_impl(ctx, a, b, c, fun, n_tasks, userdata, false); +} + +struct ggml_tensor * ggml_map_custom3_inplace( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + struct ggml_tensor * c, + const ggml_custom3_op_t fun, + int n_tasks, + void * userdata) { + return ggml_map_custom3_impl(ctx, a, b, c, fun, n_tasks, userdata, true); +} + +// ggml_cross_entropy_loss + +struct ggml_tensor * ggml_cross_entropy_loss( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b) { + GGML_ASSERT(ggml_are_same_shape(a, b)); + bool is_node = false; + + if (a->grad || b->grad) { + is_node = true; + } + + struct ggml_tensor * result = ggml_new_tensor_1d(ctx, a->type, 1); + + result->op = GGML_OP_CROSS_ENTROPY_LOSS; + result->grad = is_node ? ggml_dup_tensor(ctx, result) : NULL; + result->src[0] = a; + result->src[1] = b; + + return result; +} + +// ggml_cross_entropy_loss_back + +struct ggml_tensor * ggml_cross_entropy_loss_back( + struct ggml_context * ctx, + struct ggml_tensor * a, + struct ggml_tensor * b, + struct ggml_tensor * c) { + GGML_ASSERT(ggml_are_same_shape(a, b)); + GGML_ASSERT(ggml_is_scalar(c)); + + struct ggml_tensor * result = ggml_dup_tensor(ctx, a); + + result->op = GGML_OP_CROSS_ENTROPY_LOSS_BACK; + result->grad = NULL; + result->src[0] = a; + result->src[1] = b; + result->src[2] = c; + + return result; +} + +//////////////////////////////////////////////////////////////////////////////// + +void ggml_set_param( + struct ggml_context * ctx, + struct ggml_tensor * tensor) { + tensor->flags |= GGML_TENSOR_FLAG_PARAM; + + GGML_ASSERT(tensor->grad == NULL); + tensor->grad = ggml_dup_tensor(ctx, tensor); + ggml_format_name(tensor->grad, "%s (grad)", tensor->name); +} + +// ggml_compute_forward_dup + +static void ggml_compute_forward_dup_same_cont( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + GGML_ASSERT(ggml_nelements(dst) == ggml_nelements(src0)); + GGML_ASSERT(ggml_is_contiguous(dst) && ggml_is_contiguous(src0)); + GGML_ASSERT(src0->type == dst->type); + + const size_t nb00 = src0->nb[0]; + const size_t nb0 = dst->nb[0]; + + const int ith = params->ith; // thread index + const int nth = params->nth; // number of threads + + // parallelize by elements + const int ne = ggml_nelements(dst); + const int dr = (ne + nth - 1) / nth; + const int ie0 = dr * ith; + const int ie1 = MIN(ie0 + dr, ne); + + if (ie0 < ie1) { + memcpy( + ((char *) dst->data + ie0*nb0), + ((char *) src0->data + ie0*nb00), + (ie1 - ie0) * ggml_type_size(src0->type)); + } +} + +static void ggml_compute_forward_dup_f16( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + GGML_ASSERT(ggml_nelements(dst) == ggml_nelements(src0)); + + GGML_TENSOR_UNARY_OP_LOCALS + + const int ith = params->ith; // thread index + const int nth = params->nth; // number of threads + + if (ggml_is_contiguous(src0) && ggml_is_contiguous(dst) && src0->type == dst->type) { + ggml_compute_forward_dup_same_cont(params, dst); + return; + } + + // parallelize by rows + const int nr = ne01; + // number of rows per thread + const int dr = (nr + nth - 1) / nth; + // row range for this thread + const int ir0 = dr * ith; + const int ir1 = MIN(ir0 + dr, nr); + + if (src0->type == dst->type && + ne00 == ne0 && + nb00 == ggml_type_size(src0->type) && nb0 == ggml_type_size(dst->type)) { + // copy by rows + const size_t rs = ne00*nb00; + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + for (int64_t i01 = ir0; i01 < ir1; i01++) { + memcpy( + ((char *) dst->data + i01*nb1 + i02*nb2 + i03*nb3), + ((char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03), + rs); + } + } + } + return; + } + + // TODO: add more special-case implementations for tensor shapes/strides that can benefit from memcpy + + if (ggml_is_contiguous(dst)) { + if (nb00 == sizeof(ggml_fp16_t)) { + if (dst->type == GGML_TYPE_F16) { + size_t id = 0; + const size_t rs = ne00 * nb00; + char * dst_ptr = (char *) dst->data; + + for (int i03 = 0; i03 < ne03; i03++) { + for (int i02 = 0; i02 < ne02; i02++) { + id += rs * ir0; + for (int i01 = ir0; i01 < ir1; i01++) { + const char * src0_ptr = (char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03; + memcpy(dst_ptr + id, src0_ptr, rs); + id += rs; + } + id += rs * (ne01 - ir1); + } + } + } else if (dst->type == GGML_TYPE_F32) { + size_t id = 0; + float * dst_ptr = (float *) dst->data; + + for (int i03 = 0; i03 < ne03; i03++) { + for (int i02 = 0; i02 < ne02; i02++) { + id += ne00 * ir0; + for (int i01 = ir0; i01 < ir1; i01++) { + const ggml_fp16_t * src0_ptr = (ggml_fp16_t *) ((char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03); + for (int i00 = 0; i00 < ne00; i00++) { + dst_ptr[id] = GGML_FP16_TO_FP32(src0_ptr[i00]); + id++; + } + } + id += ne00 * (ne01 - ir1); + } + } + } else if (type_traits[dst->type].from_float) { + ggml_from_float_t const quantize_row_q = type_traits[dst->type].from_float; + float * src0_f32 = (float *) params->wdata + (ne00 + CACHE_LINE_SIZE_F32) * ith; + + size_t id = 0; + size_t rs = nb0 * (ne00 / ggml_blck_size(dst->type)); + char * dst_ptr = (char *) dst->data; + + for (int i03 = 0; i03 < ne03; i03++) { + for (int i02 = 0; i02 < ne02; i02++) { + id += rs * ir0; + for (int i01 = ir0; i01 < ir1; i01++) { + const ggml_fp16_t * src0_ptr = (ggml_fp16_t *) ((char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03); + + for (int i00 = 0; i00 < ne00; i00++) { + src0_f32[i00] = GGML_FP16_TO_FP32(src0_ptr[i00]); + } + + quantize_row_q(src0_f32, dst_ptr + id, ne00); + id += rs; + } + id += rs * (ne01 - ir1); + } + } + } else { + GGML_ASSERT(false); // TODO: implement + } + } else { + //printf("%s: this is not optimal - fix me\n", __func__); + + if (dst->type == GGML_TYPE_F32) { + size_t id = 0; + float * dst_ptr = (float *) dst->data; + + for (int i03 = 0; i03 < ne03; i03++) { + for (int i02 = 0; i02 < ne02; i02++) { + id += ne00 * ir0; + for (int i01 = ir0; i01 < ir1; i01++) { + for (int i00 = 0; i00 < ne00; i00++) { + const ggml_fp16_t * src0_ptr = (ggml_fp16_t *) ((char *) src0->data + i00*nb00 + i01*nb01 + i02*nb02 + i03*nb03); + + dst_ptr[id] = GGML_FP16_TO_FP32(*src0_ptr); + id++; + } + } + id += ne00 * (ne01 - ir1); + } + } + } else if (dst->type == GGML_TYPE_F16) { + size_t id = 0; + ggml_fp16_t * dst_ptr = (ggml_fp16_t *) dst->data; + + for (int i03 = 0; i03 < ne03; i03++) { + for (int i02 = 0; i02 < ne02; i02++) { + id += ne00 * ir0; + for (int i01 = ir0; i01 < ir1; i01++) { + for (int i00 = 0; i00 < ne00; i00++) { + const ggml_fp16_t * src0_ptr = (ggml_fp16_t *) ((char *) src0->data + i00*nb00 + i01*nb01 + i02*nb02 + i03*nb03); + + dst_ptr[id] = *src0_ptr; + id++; + } + } + id += ne00 * (ne01 - ir1); + } + } + } else { + GGML_ASSERT(false); // TODO: implement + } + } + return; + } + + // dst counters + int64_t i10 = 0; + int64_t i11 = 0; + int64_t i12 = 0; + int64_t i13 = 0; + + if (dst->type == GGML_TYPE_F16) { + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + i10 += ne00 * ir0; + while (i10 >= ne0) { + i10 -= ne0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + for (int64_t i01 = ir0; i01 < ir1; i01++) { + for (int64_t i00 = 0; i00 < ne00; i00++) { + const char * src0_ptr = ((char *) src0->data + i00*nb00 + i01*nb01 + i02*nb02 + i03*nb03); + char * dst_ptr = ((char *) dst->data + i10*nb0 + i11*nb1 + i12*nb2 + i13*nb3); + + memcpy(dst_ptr, src0_ptr, sizeof(ggml_fp16_t)); + + if (++i10 == ne00) { + i10 = 0; + if (++i11 == ne01) { + i11 = 0; + if (++i12 == ne02) { + i12 = 0; + if (++i13 == ne03) { + i13 = 0; + } + } + } + } + } + } + i10 += ne00 * (ne01 - ir1); + while (i10 >= ne0) { + i10 -= ne0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + } + } + } else if (dst->type == GGML_TYPE_F32) { + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + i10 += ne00 * ir0; + while (i10 >= ne0) { + i10 -= ne0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + for (int64_t i01 = ir0; i01 < ir1; i01++) { + for (int64_t i00 = 0; i00 < ne00; i00++) { + const char * src0_ptr = ((char *) src0->data + i00*nb00 + i01*nb01 + i02*nb02 + i03*nb03); + char * dst_ptr = ((char *) dst->data + i10*nb0 + i11*nb1 + i12*nb2 + i13*nb3); + + *(float *) dst_ptr = GGML_FP16_TO_FP32(*(const ggml_fp16_t *) src0_ptr); + + if (++i10 == ne0) { + i10 = 0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + } + } + i10 += ne00 * (ne01 - ir1); + while (i10 >= ne0) { + i10 -= ne0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + } + } + } else { + GGML_ASSERT(false); // TODO: implement + } +} + +static void ggml_compute_forward_dup_bf16( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + GGML_ASSERT(ggml_nelements(dst) == ggml_nelements(src0)); + + GGML_TENSOR_UNARY_OP_LOCALS + + const int ith = params->ith; // thread index + const int nth = params->nth; // number of threads + + if (ggml_is_contiguous(src0) && ggml_is_contiguous(dst) && src0->type == dst->type) { + ggml_compute_forward_dup_same_cont(params, dst); + return; + } + + // parallelize by rows + const int nr = ne01; + // number of rows per thread + const int dr = (nr + nth - 1) / nth; + // row range for this thread + const int ir0 = dr * ith; + const int ir1 = MIN(ir0 + dr, nr); + + if (src0->type == dst->type && + ne00 == ne0 && + nb00 == ggml_type_size(src0->type) && nb0 == ggml_type_size(dst->type)) { + // copy by rows + const size_t rs = ne00*nb00; + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + for (int64_t i01 = ir0; i01 < ir1; i01++) { + memcpy( + ((char *) dst->data + i01*nb1 + i02*nb2 + i03*nb3), + ((char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03), + rs); + } + } + } + return; + } + + // TODO: add more special-case implementations for tensor shapes/strides that can benefit from memcpy + + if (ggml_is_contiguous(dst)) { + if (nb00 == sizeof(ggml_bf16_t)) { + if (dst->type == GGML_TYPE_BF16) { + size_t id = 0; + const size_t rs = ne00 * nb00; + char * dst_ptr = (char *) dst->data; + + for (int i03 = 0; i03 < ne03; i03++) { + for (int i02 = 0; i02 < ne02; i02++) { + id += rs * ir0; + for (int i01 = ir0; i01 < ir1; i01++) { + const char * src0_ptr = (char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03; + memcpy(dst_ptr + id, src0_ptr, rs); + id += rs; + } + id += rs * (ne01 - ir1); + } + } + } else if (dst->type == GGML_TYPE_F16) { + size_t id = 0; + ggml_fp16_t * dst_ptr = (ggml_fp16_t *) dst->data; + + for (int i03 = 0; i03 < ne03; i03++) { + for (int i02 = 0; i02 < ne02; i02++) { + id += ne00 * ir0; + for (int i01 = ir0; i01 < ir1; i01++) { + const ggml_bf16_t * src0_ptr = (ggml_bf16_t *) ((char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03); + for (int i00 = 0; i00 < ne00; i00++) { + dst_ptr[id] = GGML_FP32_TO_FP16(GGML_BF16_TO_FP32(src0_ptr[i00])); + id++; + } + } + id += ne00 * (ne01 - ir1); + } + } + } else if (dst->type == GGML_TYPE_F32) { + size_t id = 0; + float * dst_ptr = (float *) dst->data; + + for (int i03 = 0; i03 < ne03; i03++) { + for (int i02 = 0; i02 < ne02; i02++) { + id += ne00 * ir0; + for (int i01 = ir0; i01 < ir1; i01++) { + const ggml_bf16_t * src0_ptr = (ggml_bf16_t *) ((char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03); + for (int i00 = 0; i00 < ne00; i00++) { + dst_ptr[id] = GGML_BF16_TO_FP32(src0_ptr[i00]); + id++; + } + } + id += ne00 * (ne01 - ir1); + } + } + } else if (type_traits[dst->type].from_float) { + ggml_from_float_t const quantize_row_q = type_traits[dst->type].from_float; + float * src0_f32 = (float *) params->wdata + (ne00 + CACHE_LINE_SIZE_F32) * ith; + + size_t id = 0; + size_t rs = nb0 * (ne00 / ggml_blck_size(dst->type)); + char * dst_ptr = (char *) dst->data; + + for (int i03 = 0; i03 < ne03; i03++) { + for (int i02 = 0; i02 < ne02; i02++) { + id += rs * ir0; + for (int i01 = ir0; i01 < ir1; i01++) { + const ggml_bf16_t * src0_ptr = (ggml_bf16_t *) ((char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03); + + for (int i00 = 0; i00 < ne00; i00++) { + src0_f32[i00] = GGML_BF16_TO_FP32(src0_ptr[i00]); + } + + quantize_row_q(src0_f32, dst_ptr + id, ne00); + id += rs; + } + id += rs * (ne01 - ir1); + } + } + } else { + GGML_ASSERT(false); // TODO: implement + } + } else { + //printf("%s: this is not optimal - fix me\n", __func__); + + if (dst->type == GGML_TYPE_F32) { + size_t id = 0; + float * dst_ptr = (float *) dst->data; + + for (int i03 = 0; i03 < ne03; i03++) { + for (int i02 = 0; i02 < ne02; i02++) { + id += ne00 * ir0; + for (int i01 = ir0; i01 < ir1; i01++) { + for (int i00 = 0; i00 < ne00; i00++) { + const ggml_bf16_t * src0_ptr = (ggml_bf16_t *) ((char *) src0->data + i00*nb00 + i01*nb01 + i02*nb02 + i03*nb03); + + dst_ptr[id] = GGML_BF16_TO_FP32(*src0_ptr); + id++; + } + } + id += ne00 * (ne01 - ir1); + } + } + } else if (dst->type == GGML_TYPE_BF16) { + size_t id = 0; + ggml_bf16_t * dst_ptr = (ggml_bf16_t *) dst->data; + + for (int i03 = 0; i03 < ne03; i03++) { + for (int i02 = 0; i02 < ne02; i02++) { + id += ne00 * ir0; + for (int i01 = ir0; i01 < ir1; i01++) { + for (int i00 = 0; i00 < ne00; i00++) { + const ggml_bf16_t * src0_ptr = (ggml_bf16_t *) ((char *) src0->data + i00*nb00 + i01*nb01 + i02*nb02 + i03*nb03); + + dst_ptr[id] = *src0_ptr; + id++; + } + } + id += ne00 * (ne01 - ir1); + } + } + } else if (dst->type == GGML_TYPE_F16) { + size_t id = 0; + ggml_fp16_t * dst_ptr = (ggml_fp16_t *) dst->data; + + for (int i03 = 0; i03 < ne03; i03++) { + for (int i02 = 0; i02 < ne02; i02++) { + id += ne00 * ir0; + for (int i01 = ir0; i01 < ir1; i01++) { + for (int i00 = 0; i00 < ne00; i00++) { + const ggml_bf16_t * src0_ptr = (ggml_bf16_t *) ((char *) src0->data + i00*nb00 + i01*nb01 + i02*nb02 + i03*nb03); + + dst_ptr[id] = GGML_FP32_TO_FP16(GGML_BF16_TO_FP32(*src0_ptr)); + id++; + } + } + id += ne00 * (ne01 - ir1); + } + } + } else { + GGML_ASSERT(false); // TODO: implement + } + } + return; + } + + // dst counters + int64_t i10 = 0; + int64_t i11 = 0; + int64_t i12 = 0; + int64_t i13 = 0; + + if (dst->type == GGML_TYPE_BF16) { + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + i10 += ne00 * ir0; + while (i10 >= ne0) { + i10 -= ne0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + for (int64_t i01 = ir0; i01 < ir1; i01++) { + for (int64_t i00 = 0; i00 < ne00; i00++) { + const char * src0_ptr = ((char *) src0->data + i00*nb00 + i01*nb01 + i02*nb02 + i03*nb03); + char * dst_ptr = ((char *) dst->data + i10*nb0 + i11*nb1 + i12*nb2 + i13*nb3); + + memcpy(dst_ptr, src0_ptr, sizeof(ggml_bf16_t)); + + if (++i10 == ne00) { + i10 = 0; + if (++i11 == ne01) { + i11 = 0; + if (++i12 == ne02) { + i12 = 0; + if (++i13 == ne03) { + i13 = 0; + } + } + } + } + } + } + i10 += ne00 * (ne01 - ir1); + while (i10 >= ne0) { + i10 -= ne0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + } + } + } else if (dst->type == GGML_TYPE_F16) { + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + i10 += ne00 * ir0; + while (i10 >= ne0) { + i10 -= ne0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + for (int64_t i01 = ir0; i01 < ir1; i01++) { + for (int64_t i00 = 0; i00 < ne00; i00++) { + const char * src0_ptr = ((char *) src0->data + i00*nb00 + i01*nb01 + i02*nb02 + i03*nb03); + char * dst_ptr = ((char *) dst->data + i10*nb0 + i11*nb1 + i12*nb2 + i13*nb3); + + *(ggml_fp16_t *) dst_ptr = GGML_FP32_TO_FP16(GGML_BF16_TO_FP32(*(const ggml_bf16_t *) src0_ptr)); + + if (++i10 == ne0) { + i10 = 0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + } + } + i10 += ne00 * (ne01 - ir1); + while (i10 >= ne0) { + i10 -= ne0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + } + } + } else if (dst->type == GGML_TYPE_F32) { + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + i10 += ne00 * ir0; + while (i10 >= ne0) { + i10 -= ne0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + for (int64_t i01 = ir0; i01 < ir1; i01++) { + for (int64_t i00 = 0; i00 < ne00; i00++) { + const char * src0_ptr = ((char *) src0->data + i00*nb00 + i01*nb01 + i02*nb02 + i03*nb03); + char * dst_ptr = ((char *) dst->data + i10*nb0 + i11*nb1 + i12*nb2 + i13*nb3); + + *(float *) dst_ptr = GGML_BF16_TO_FP32(*(const ggml_bf16_t *) src0_ptr); + + if (++i10 == ne0) { + i10 = 0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + } + } + i10 += ne00 * (ne01 - ir1); + while (i10 >= ne0) { + i10 -= ne0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + } + } + } else { + GGML_ASSERT(false); // TODO: implement + } +} + +static void ggml_compute_forward_dup_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + GGML_ASSERT(ggml_nelements(dst) == ggml_nelements(src0)); + + GGML_TENSOR_UNARY_OP_LOCALS + + const int ith = params->ith; // thread index + const int nth = params->nth; // number of threads + + if (ggml_is_contiguous(src0) && ggml_is_contiguous(dst) && src0->type == dst->type) { + ggml_compute_forward_dup_same_cont(params, dst); + return; + } + + // parallelize by rows + const int nr = ne01; + // number of rows per thread + const int dr = (nr + nth - 1) / nth; + // row range for this thread + const int ir0 = dr * ith; + const int ir1 = MIN(ir0 + dr, nr); + + if (src0->type == dst->type && + ne00 == ne0 && + nb00 == ggml_type_size(src0->type) && nb0 == ggml_type_size(dst->type)) { + // copy by rows + const size_t rs = ne00*nb00; + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + for (int64_t i01 = ir0; i01 < ir1; i01++) { + memcpy( + ((char *) dst->data + i01*nb1 + i02*nb2 + i03*nb3), + ((char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03), + rs); + } + } + } + return; + } + + if (ggml_is_contiguous(dst)) { + // TODO: simplify + if (nb00 == sizeof(float)) { + if (dst->type == GGML_TYPE_F32) { + size_t id = 0; + const size_t rs = ne00 * nb00; + char * dst_ptr = (char *) dst->data; + + for (int i03 = 0; i03 < ne03; i03++) { + for (int i02 = 0; i02 < ne02; i02++) { + id += rs * ir0; + for (int i01 = ir0; i01 < ir1; i01++) { + const char * src0_ptr = (char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03; + memcpy(dst_ptr + id, src0_ptr, rs); + id += rs; + } + id += rs * (ne01 - ir1); + } + } + } else if (type_traits[dst->type].from_float) { + ggml_from_float_t const quantize_row_q = type_traits[dst->type].from_float; + + size_t id = 0; + size_t rs = nb0 * (ne00 / ggml_blck_size(dst->type)); + char * dst_ptr = (char *) dst->data; + + for (int i03 = 0; i03 < ne03; i03++) { + for (int i02 = 0; i02 < ne02; i02++) { + id += rs * ir0; + for (int i01 = ir0; i01 < ir1; i01++) { + const float * src0_ptr = (float *) ((char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03); + quantize_row_q(src0_ptr, dst_ptr + id, ne00); + id += rs; + } + id += rs * (ne01 - ir1); + } + } + } else { + GGML_ASSERT(false); // TODO: implement + } + } else { + //printf("%s: this is not optimal - fix me\n", __func__); + + if (dst->type == GGML_TYPE_F32) { + size_t id = 0; + float * dst_ptr = (float *) dst->data; + + for (int i03 = 0; i03 < ne03; i03++) { + for (int i02 = 0; i02 < ne02; i02++) { + id += ne00 * ir0; + for (int i01 = ir0; i01 < ir1; i01++) { + for (int i00 = 0; i00 < ne00; i00++) { + const float * src0_ptr = (float *) ((char *) src0->data + i00*nb00 + i01*nb01 + i02*nb02 + i03*nb03); + + dst_ptr[id] = *src0_ptr; + id++; + } + } + id += ne00 * (ne01 - ir1); + } + } + } else if (dst->type == GGML_TYPE_F16) { + size_t id = 0; + ggml_fp16_t * dst_ptr = (ggml_fp16_t *) dst->data; + + for (int i03 = 0; i03 < ne03; i03++) { + for (int i02 = 0; i02 < ne02; i02++) { + id += ne00 * ir0; + for (int i01 = ir0; i01 < ir1; i01++) { + for (int i00 = 0; i00 < ne00; i00++) { + const float * src0_ptr = (float *) ((char *) src0->data + i00*nb00 + i01*nb01 + i02*nb02 + i03*nb03); + + dst_ptr[id] = GGML_FP32_TO_FP16(*src0_ptr); + id++; + } + } + id += ne00 * (ne01 - ir1); + } + } + } else if (dst->type == GGML_TYPE_BF16) { + size_t id = 0; + ggml_bf16_t * dst_ptr = (ggml_bf16_t *) dst->data; + + for (int i03 = 0; i03 < ne03; i03++) { + for (int i02 = 0; i02 < ne02; i02++) { + id += ne00 * ir0; + for (int i01 = ir0; i01 < ir1; i01++) { + for (int i00 = 0; i00 < ne00; i00++) { + const float * src0_ptr = (float *) ((char *) src0->data + i00*nb00 + i01*nb01 + i02*nb02 + i03*nb03); + + dst_ptr[id] = GGML_FP32_TO_BF16(*src0_ptr); + id++; + } + } + id += ne00 * (ne01 - ir1); + } + } + } else { + GGML_ASSERT(false); // TODO: implement + } + } + + return; + } + + // dst counters + + int64_t i10 = 0; + int64_t i11 = 0; + int64_t i12 = 0; + int64_t i13 = 0; + + if (dst->type == GGML_TYPE_F32) { + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + i10 += ne00 * ir0; + while (i10 >= ne0) { + i10 -= ne0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + for (int64_t i01 = ir0; i01 < ir1; i01++) { + for (int64_t i00 = 0; i00 < ne00; i00++) { + const char * src0_ptr = ((char *) src0->data + i00*nb00 + i01*nb01 + i02*nb02 + i03*nb03); + char * dst_ptr = ((char *) dst->data + i10*nb0 + i11*nb1 + i12*nb2 + i13*nb3); + + memcpy(dst_ptr, src0_ptr, sizeof(float)); + + if (++i10 == ne0) { + i10 = 0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + } + } + i10 += ne00 * (ne01 - ir1); + while (i10 >= ne0) { + i10 -= ne0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + } + } + } else if (dst->type == GGML_TYPE_F16) { + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + i10 += ne00 * ir0; + while (i10 >= ne0) { + i10 -= ne0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + for (int64_t i01 = ir0; i01 < ir1; i01++) { + for (int64_t i00 = 0; i00 < ne00; i00++) { + const char * src0_ptr = ((char *) src0->data + i00*nb00 + i01*nb01 + i02*nb02 + i03*nb03); + char * dst_ptr = ((char *) dst->data + i10*nb0 + i11*nb1 + i12*nb2 + i13*nb3); + + *(ggml_fp16_t *) dst_ptr = GGML_FP32_TO_FP16(*(const float *) src0_ptr); + + if (++i10 == ne0) { + i10 = 0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + } + } + i10 += ne00 * (ne01 - ir1); + while (i10 >= ne0) { + i10 -= ne0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + } + } + } else if (dst->type == GGML_TYPE_BF16) { + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + i10 += ne00 * ir0; + while (i10 >= ne0) { + i10 -= ne0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + for (int64_t i01 = ir0; i01 < ir1; i01++) { + for (int64_t i00 = 0; i00 < ne00; i00++) { + const char * src0_ptr = ((char *) src0->data + i00*nb00 + i01*nb01 + i02*nb02 + i03*nb03); + char * dst_ptr = ((char *) dst->data + i10*nb0 + i11*nb1 + i12*nb2 + i13*nb3); + + *(ggml_bf16_t *) dst_ptr = GGML_FP32_TO_BF16(*(const float *) src0_ptr); + + if (++i10 == ne0) { + i10 = 0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + } + } + i10 += ne00 * (ne01 - ir1); + while (i10 >= ne0) { + i10 -= ne0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + } + } + } else { + GGML_ASSERT(false); // TODO: implement + } +} + +// A simplified version of ggml_compute_forward_dup that doesn't do float upcasting, and just plain old memcpy. +static void ggml_compute_forward_dup_bytes( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + GGML_ASSERT(ggml_nelements(dst) == ggml_nelements(src0)); + GGML_ASSERT(src0->type == dst->type); + + if (ggml_is_contiguous(src0) && ggml_is_contiguous(dst)) { + ggml_compute_forward_dup_same_cont(params, dst); + return; + } + + GGML_TENSOR_UNARY_OP_LOCALS; + + const size_t type_size = ggml_type_size(src0->type); + const int ith = params->ith; // thread index + const int nth = params->nth; // number of threads + + + // parallelize by rows + const int nr = ne01; + // number of rows per thread + const int dr = (nr + nth - 1) / nth; + // row range for this thread + const int ir0 = dr * ith; + const int ir1 = MIN(ir0 + dr, nr); + + if (src0->type == dst->type && + ne00 == ne0 && + nb00 == type_size && nb0 == type_size) { + // copy by rows + const size_t rs = ne00 * type_size; + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + for (int64_t i01 = ir0; i01 < ir1; i01++) { + memcpy( + ((char *) dst->data + i01*nb1 + i02*nb2 + i03*nb3), + ((char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03), + rs); + } + } + } + return; + } + + if (ggml_is_contiguous(dst)) { + size_t id = 0; + char * dst_ptr = (char *) dst->data; + const size_t rs = ne00 * type_size; + + if (nb00 == type_size) { + // src0 is contigous on first dimension, copy by rows + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + id += rs * ir0; + for (int64_t i01 = ir0; i01 < ir1; i01++) { + const char * src0_ptr = (char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03; + memcpy(dst_ptr + id, src0_ptr, rs); + id += rs; + } + id += rs * (ne01 - ir1); + } + } + } else { + //printf("%s: this is not optimal - fix me\n", __func__); + + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + id += rs * ir0; + for (int64_t i01 = ir0; i01 < ir1; i01++) { + for (int64_t i00 = 0; i00 < ne00; i00++) { + const char * src0_ptr = (char *) src0->data + i00*nb00 + i01*nb01 + i02*nb02 + i03*nb03; + memcpy(dst_ptr + id, src0_ptr, type_size); + + id += type_size; + } + } + id += rs * (ne01 - ir1); + } + } + } + + return; + } + + // dst counters + + int64_t i10 = 0; + int64_t i11 = 0; + int64_t i12 = 0; + int64_t i13 = 0; + + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + i10 += ne00 * ir0; + while (i10 >= ne0) { + i10 -= ne0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + for (int64_t i01 = ir0; i01 < ir1; i01++) { + for (int64_t i00 = 0; i00 < ne00; i00++) { + const char * src0_ptr = ((char *) src0->data + i00*nb00 + i01*nb01 + i02*nb02 + i03*nb03); + char * dst_ptr = ((char *) dst->data + i10*nb0 + i11*nb1 + i12*nb2 + i13*nb3); + + memcpy(dst_ptr, src0_ptr, type_size); + + if (++i10 == ne0) { + i10 = 0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + } + } + i10 += ne00 * (ne01 - ir1); + while (i10 >= ne0) { + i10 -= ne0; + if (++i11 == ne1) { + i11 = 0; + if (++i12 == ne2) { + i12 = 0; + if (++i13 == ne3) { + i13 = 0; + } + } + } + } + } + } +} + +static void ggml_compute_forward_dup( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (src0->type == dst->type) { + ggml_compute_forward_dup_bytes(params, dst); + return; + } + + switch (src0->type) { + case GGML_TYPE_F16: + { + ggml_compute_forward_dup_f16(params, dst); + } break; + case GGML_TYPE_BF16: + { + ggml_compute_forward_dup_bf16(params, dst); + } break; + case GGML_TYPE_F32: + { + ggml_compute_forward_dup_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_add + +static void ggml_compute_forward_add_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(ggml_can_repeat(src1, src0) && ggml_are_same_shape(src0, dst)); + + const int ith = params->ith; + const int nth = params->nth; + + const int nr = ggml_nrows(src0); + + GGML_TENSOR_BINARY_OP_LOCALS + + GGML_ASSERT( nb0 == sizeof(float)); + GGML_ASSERT(nb00 == sizeof(float)); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + if (nb10 == sizeof(float)) { + for (int ir = ir0; ir < ir1; ++ir) { + // src1 is broadcastable across src0 and dst in i1, i2, i3 + const int64_t i03 = ir/(ne02*ne01); + const int64_t i02 = (ir - i03*ne02*ne01)/ne01; + const int64_t i01 = (ir - i03*ne02*ne01 - i02*ne01); + + const int64_t i13 = i03 % ne13; + const int64_t i12 = i02 % ne12; + const int64_t i11 = i01 % ne11; + const int64_t nr0 = ne00 / ne10; + + float * dst_ptr = (float *) ((char *) dst->data + i03*nb3 + i02*nb2 + i01*nb1 ); + float * src0_ptr = (float *) ((char *) src0->data + i03*nb03 + i02*nb02 + i01*nb01); + float * src1_ptr = (float *) ((char *) src1->data + i13*nb13 + i12*nb12 + i11*nb11); + + for (int64_t r = 0; r < nr0; ++r) { +#ifdef GGML_USE_ACCELERATE + vDSP_vadd(src0_ptr + r*ne10, 1, src1_ptr, 1, dst_ptr + r*ne10, 1, ne10); +#else + ggml_vec_add_f32(ne10, dst_ptr + r*ne10, src0_ptr + r*ne10, src1_ptr); +#endif + } + } + } else { + // src1 is not contiguous + for (int ir = ir0; ir < ir1; ++ir) { + // src1 is broadcastable across src0 and dst in i1, i2, i3 + const int64_t i03 = ir/(ne02*ne01); + const int64_t i02 = (ir - i03*ne02*ne01)/ne01; + const int64_t i01 = (ir - i03*ne02*ne01 - i02*ne01); + + const int64_t i13 = i03 % ne13; + const int64_t i12 = i02 % ne12; + const int64_t i11 = i01 % ne11; + + float * dst_ptr = (float *) ((char *) dst->data + i03*nb3 + i02*nb2 + i01*nb1 ); + float * src0_ptr = (float *) ((char *) src0->data + i03*nb03 + i02*nb02 + i01*nb01); + + for (int64_t i0 = 0; i0 < ne0; ++i0) { + const int64_t i10 = i0 % ne10; + float * src1_ptr = (float *) ((char *) src1->data + i13*nb13 + i12*nb12 + i11*nb11 + i10*nb10); + + dst_ptr[i0] = src0_ptr[i0] + *src1_ptr; + } + } + } +} + +static void ggml_compute_forward_add_f16_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(ggml_are_same_shape(src0, src1) && ggml_are_same_shape(src0, dst)); + + const int ith = params->ith; + const int nth = params->nth; + + const int nr = ggml_nrows(src0); + + GGML_TENSOR_BINARY_OP_LOCALS + + GGML_ASSERT(src0->type == GGML_TYPE_F16); + GGML_ASSERT(src1->type == GGML_TYPE_F32); + + if (dst->type == GGML_TYPE_F32) { + GGML_ASSERT( nb0 == sizeof(float)); + } + else { + GGML_ASSERT(dst->type == GGML_TYPE_F16); + GGML_ASSERT( nb0 == sizeof(ggml_fp16_t)); + } + + GGML_ASSERT(nb00 == sizeof(ggml_fp16_t)); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + if (nb10 == sizeof(float)) { + if (dst->type == GGML_TYPE_F16) { + for (int ir = ir0; ir < ir1; ++ir) { + // src0, src1 and dst are same shape => same indices + const int i3 = ir/(ne2*ne1); + const int i2 = (ir - i3*ne2*ne1)/ne1; + const int i1 = (ir - i3*ne2*ne1 - i2*ne1); + + ggml_fp16_t * dst_ptr = (ggml_fp16_t *) ((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1); + ggml_fp16_t * src0_ptr = (ggml_fp16_t *) ((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01); + float * src1_ptr = (float *) ((char *) src1->data + i3*nb13 + i2*nb12 + i1*nb11); + + for (int i = 0; i < ne0; i++) { + dst_ptr[i] = GGML_FP32_TO_FP16(GGML_FP16_TO_FP32(src0_ptr[i]) + src1_ptr[i]); + } + } + } else { + for (int ir = ir0; ir < ir1; ++ir) { + // src0, src1 and dst are same shape => same indices + const int i3 = ir/(ne2*ne1); + const int i2 = (ir - i3*ne2*ne1)/ne1; + const int i1 = (ir - i3*ne2*ne1 - i2*ne1); + + float * dst_ptr = (float *) ((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1); + ggml_fp16_t * src0_ptr = (ggml_fp16_t *) ((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01); + float * src1_ptr = (float *) ((char *) src1->data + i3*nb13 + i2*nb12 + i1*nb11); + + for (int i = 0; i < ne0; i++) { + dst_ptr[i] = GGML_FP16_TO_FP32(src0_ptr[i]) + src1_ptr[i]; + } + } + } + } + else { + // src1 is not contiguous + GGML_ASSERT(false); + } +} + +static void ggml_compute_forward_add_bf16_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(ggml_are_same_shape(src0, src1) && ggml_are_same_shape(src0, dst)); + + const int ith = params->ith; + const int nth = params->nth; + + const int nr = ggml_nrows(src0); + + GGML_TENSOR_BINARY_OP_LOCALS + + GGML_ASSERT(src0->type == GGML_TYPE_BF16); + GGML_ASSERT(src1->type == GGML_TYPE_F32); + + if (dst->type == GGML_TYPE_F32) { + GGML_ASSERT( nb0 == sizeof(float)); + } + else { + GGML_ASSERT(dst->type == GGML_TYPE_BF16); + GGML_ASSERT( nb0 == sizeof(ggml_bf16_t)); + } + + GGML_ASSERT(nb00 == sizeof(ggml_bf16_t)); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + if (nb10 == sizeof(float)) { + if (dst->type == GGML_TYPE_BF16) { + for (int ir = ir0; ir < ir1; ++ir) { + // src0, src1 and dst are same shape => same indices + const int i3 = ir/(ne2*ne1); + const int i2 = (ir - i3*ne2*ne1)/ne1; + const int i1 = (ir - i3*ne2*ne1 - i2*ne1); + + ggml_bf16_t * dst_ptr = (ggml_bf16_t *) ((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1); + ggml_bf16_t * src0_ptr = (ggml_bf16_t *) ((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01); + float * src1_ptr = (float *) ((char *) src1->data + i3*nb13 + i2*nb12 + i1*nb11); + + for (int i = 0; i < ne0; i++) { + dst_ptr[i] = GGML_FP32_TO_BF16(GGML_BF16_TO_FP32(src0_ptr[i]) + src1_ptr[i]); + } + } + } else { + for (int ir = ir0; ir < ir1; ++ir) { + // src0, src1 and dst are same shape => same indices + const int i3 = ir/(ne2*ne1); + const int i2 = (ir - i3*ne2*ne1)/ne1; + const int i1 = (ir - i3*ne2*ne1 - i2*ne1); + + float * dst_ptr = (float *) ((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1); + ggml_bf16_t * src0_ptr = (ggml_bf16_t *) ((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01); + float * src1_ptr = (float *) ((char *) src1->data + i3*nb13 + i2*nb12 + i1*nb11); + + for (int i = 0; i < ne0; i++) { + dst_ptr[i] = GGML_BF16_TO_FP32(src0_ptr[i]) + src1_ptr[i]; + } + } + } + } + else { + // src1 is not contiguous + GGML_ASSERT(false); + } +} + +static void ggml_compute_forward_add_f16_f16( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(ggml_are_same_shape(src0, src1) && ggml_are_same_shape(src0, dst)); + + const int ith = params->ith; + const int nth = params->nth; + + const int nr = ggml_nrows(src0); + + GGML_TENSOR_BINARY_OP_LOCALS + + GGML_ASSERT(src0->type == GGML_TYPE_F16); + GGML_ASSERT(src1->type == GGML_TYPE_F16); + GGML_ASSERT(dst->type == GGML_TYPE_F16); + + GGML_ASSERT( nb0 == sizeof(ggml_fp16_t)); + GGML_ASSERT(nb00 == sizeof(ggml_fp16_t)); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + if (nb10 == sizeof(ggml_fp16_t)) { + for (int ir = ir0; ir < ir1; ++ir) { + // src0, src1 and dst are same shape => same indices + const int i3 = ir/(ne2*ne1); + const int i2 = (ir - i3*ne2*ne1)/ne1; + const int i1 = (ir - i3*ne2*ne1 - i2*ne1); + + ggml_fp16_t * dst_ptr = (ggml_fp16_t *) ((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1); + ggml_fp16_t * src0_ptr = (ggml_fp16_t *) ((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01); + ggml_fp16_t * src1_ptr = (ggml_fp16_t *) ((char *) src1->data + i3*nb13 + i2*nb12 + i1*nb11); + + for (int i = 0; i < ne0; i++) { + dst_ptr[i] = GGML_FP32_TO_FP16(GGML_FP16_TO_FP32(src0_ptr[i]) + GGML_FP16_TO_FP32(src1_ptr[i])); + } + } + } + else { + // src1 is not contiguous + GGML_ASSERT(false); + } +} + +static void ggml_compute_forward_add_bf16_bf16( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(ggml_are_same_shape(src0, src1) && ggml_are_same_shape(src0, dst)); + + const int ith = params->ith; + const int nth = params->nth; + + const int nr = ggml_nrows(src0); + + GGML_TENSOR_BINARY_OP_LOCALS + + GGML_ASSERT(src0->type == GGML_TYPE_BF16); + GGML_ASSERT(src1->type == GGML_TYPE_BF16); + GGML_ASSERT(dst->type == GGML_TYPE_BF16); + + GGML_ASSERT( nb0 == sizeof(ggml_bf16_t)); + GGML_ASSERT(nb00 == sizeof(ggml_bf16_t)); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + if (nb10 == sizeof(ggml_bf16_t)) { + for (int ir = ir0; ir < ir1; ++ir) { + // src0, src1 and dst are same shape => same indices + const int i3 = ir/(ne2*ne1); + const int i2 = (ir - i3*ne2*ne1)/ne1; + const int i1 = (ir - i3*ne2*ne1 - i2*ne1); + + ggml_bf16_t * dst_ptr = (ggml_bf16_t *) ((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1); + ggml_bf16_t * src0_ptr = (ggml_bf16_t *) ((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01); + ggml_bf16_t * src1_ptr = (ggml_bf16_t *) ((char *) src1->data + i3*nb13 + i2*nb12 + i1*nb11); + + for (int i = 0; i < ne0; i++) { + dst_ptr[i] = GGML_FP32_TO_BF16(GGML_BF16_TO_FP32(src0_ptr[i]) + GGML_BF16_TO_FP32(src1_ptr[i])); + } + } + } + else { + // src1 is not contiguous + GGML_ASSERT(false); + } +} + +static void ggml_compute_forward_add_q_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(ggml_are_same_shape(src0, src1) && ggml_are_same_shape(src0, dst)); + + const int nr = ggml_nrows(src0); + + GGML_TENSOR_BINARY_OP_LOCALS + + const int ith = params->ith; + const int nth = params->nth; + + const enum ggml_type type = src0->type; + const enum ggml_type dtype = dst->type; + ggml_to_float_t const dequantize_row_q = type_traits[type].to_float; + ggml_from_float_t const quantize_row_q = type_traits[dtype].from_float; + + // we don't support permuted src0 or src1 + GGML_ASSERT(nb00 == ggml_type_size(type)); + GGML_ASSERT(nb10 == sizeof(float)); + + // dst cannot be transposed or permuted + GGML_ASSERT(nb0 <= nb1); + GGML_ASSERT(nb1 <= nb2); + GGML_ASSERT(nb2 <= nb3); + + GGML_ASSERT(ggml_is_quantized(src0->type)); + GGML_ASSERT(src1->type == GGML_TYPE_F32); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + float * wdata = (float *) params->wdata + (ne00 + CACHE_LINE_SIZE_F32) * ith; + + for (int ir = ir0; ir < ir1; ++ir) { + // src0 indices + const int i03 = ir/(ne02*ne01); + const int i02 = (ir - i03*ne02*ne01)/ne01; + const int i01 = (ir - i03*ne02*ne01 - i02*ne01); + + // src1 and dst are same shape as src0 => same indices + const int i13 = i03; + const int i12 = i02; + const int i11 = i01; + + const int i3 = i03; + const int i2 = i02; + const int i1 = i01; + + void * src0_row = (void *) ((char *) src0->data + (i01*nb01 + i02*nb02 + i03*nb03)); + float * src1_row = (float *)((char *) src1->data + (i11*nb11 + i12*nb12 + i13*nb13)); + void * dst_row = (void *) ((char *) dst->data + ( i1*nb1 + i2*nb2 + i3*nb3)); + + assert(ne00 % 32 == 0); + + // unquantize row from src0 to temp buffer + dequantize_row_q(src0_row, wdata, ne00); + // add src1 + ggml_vec_acc_f32(ne00, wdata, src1_row); + // quantize row to dst + if (quantize_row_q != NULL) { + quantize_row_q(wdata, dst_row, ne00); + } else { + memcpy(dst_row, wdata, ne0*nb0); + } + } +} + +static void ggml_compute_forward_add( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + if (src1->type == GGML_TYPE_F32) { + ggml_compute_forward_add_f32(params, dst); + } + else { + GGML_ASSERT(false); + } + } break; + case GGML_TYPE_F16: + { + if (src1->type == GGML_TYPE_F16) { + ggml_compute_forward_add_f16_f16(params, dst); + } + else if (src1->type == GGML_TYPE_F32) { + ggml_compute_forward_add_f16_f32(params, dst); + } + else { + GGML_ASSERT(false); + } + } break; + case GGML_TYPE_BF16: + { + if (src1->type == GGML_TYPE_BF16) { + ggml_compute_forward_add_bf16_bf16(params, dst); + } + else if (src1->type == GGML_TYPE_F32) { + ggml_compute_forward_add_bf16_f32(params, dst); + } + else { + GGML_ASSERT(false); + } + } break; + case GGML_TYPE_Q4_0: + case GGML_TYPE_Q4_1: + case GGML_TYPE_Q5_0: + case GGML_TYPE_Q5_1: + case GGML_TYPE_Q8_0: + case GGML_TYPE_Q2_K: + case GGML_TYPE_Q3_K: + case GGML_TYPE_Q4_K: + case GGML_TYPE_Q5_K: + case GGML_TYPE_Q6_K: + case GGML_TYPE_IQ2_XXS: + case GGML_TYPE_IQ2_XS: + case GGML_TYPE_IQ3_XXS: + case GGML_TYPE_IQ1_S: + case GGML_TYPE_IQ1_M: + case GGML_TYPE_IQ1_BN: + case GGML_TYPE_IQ2_BN: + case GGML_TYPE_IQ4_NL: + case GGML_TYPE_IQ4_XS: + case GGML_TYPE_IQ3_S: + case GGML_TYPE_IQ2_S: + case GGML_TYPE_Q4_0_4_4: + case GGML_TYPE_Q4_0_4_8: + case GGML_TYPE_Q4_0_8_8: + { + ggml_compute_forward_add_q_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_add1 + +static void ggml_compute_forward_add1_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(ggml_are_same_shape(src0, dst)); + GGML_ASSERT(ggml_is_scalar(src1)); + + const int ith = params->ith; + const int nth = params->nth; + + const int nr = ggml_nrows(src0); + + GGML_TENSOR_UNARY_OP_LOCALS + + GGML_ASSERT( nb0 == sizeof(float)); + GGML_ASSERT(nb00 == sizeof(float)); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + for (int ir = ir0; ir < ir1; ++ir) { + // src0 and dst are same shape => same indices + const int i3 = ir/(ne2*ne1); + const int i2 = (ir - i3*ne2*ne1)/ne1; + const int i1 = (ir - i3*ne2*ne1 - i2*ne1); + +#ifdef GGML_USE_ACCELERATE + UNUSED(ggml_vec_add1_f32); + + vDSP_vadd( + (float *) ((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01), 1, + (float *) ((char *) src1->data), 0, + (float *) ((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1 ), 1, + ne0); +#else + ggml_vec_add1_f32(ne0, + (float *) ((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1 ), + (float *) ((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01), + *(float *) src1->data); +#endif + } +} + +static void ggml_compute_forward_add1_f16_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(ggml_are_same_shape(src0, dst)); + GGML_ASSERT(ggml_is_scalar(src1)); + + // scalar to add + const float v = *(float *) src1->data; + + const int ith = params->ith; + const int nth = params->nth; + + const int nr = ggml_nrows(src0); + + GGML_TENSOR_UNARY_OP_LOCALS + + GGML_ASSERT(src0->type == GGML_TYPE_F16); + GGML_ASSERT(src1->type == GGML_TYPE_F32); + GGML_ASSERT(dst->type == GGML_TYPE_F16); + + GGML_ASSERT( nb0 == sizeof(ggml_fp16_t)); + GGML_ASSERT(nb00 == sizeof(ggml_fp16_t)); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + for (int ir = ir0; ir < ir1; ++ir) { + // src0 and dst are same shape => same indices + const int i3 = ir/(ne2*ne1); + const int i2 = (ir - i3*ne2*ne1)/ne1; + const int i1 = (ir - i3*ne2*ne1 - i2*ne1); + + ggml_fp16_t * dst_ptr = (ggml_fp16_t *) ((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1 ); + ggml_fp16_t * src0_ptr = (ggml_fp16_t *) ((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01); + for (int i = 0; i < ne0; i++) { + dst_ptr[i] = GGML_FP32_TO_FP16(GGML_FP16_TO_FP32(src0_ptr[i]) + v); + } + } +} + +static void ggml_compute_forward_add1_f16_f16( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(ggml_are_same_shape(src0, dst)); + GGML_ASSERT(ggml_is_scalar(src1)); + + // scalar to add + const float v = GGML_FP16_TO_FP32(*(ggml_fp16_t *) src1->data); + + const int ith = params->ith; + const int nth = params->nth; + + const int nr = ggml_nrows(src0); + + GGML_TENSOR_UNARY_OP_LOCALS + + GGML_ASSERT(src0->type == GGML_TYPE_F16); + GGML_ASSERT(src1->type == GGML_TYPE_F16); + GGML_ASSERT(dst->type == GGML_TYPE_F16); + + GGML_ASSERT( nb0 == sizeof(ggml_fp16_t)); + GGML_ASSERT(nb00 == sizeof(ggml_fp16_t)); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + for (int ir = ir0; ir < ir1; ++ir) { + // src0 and dst are same shape => same indices + const int i3 = ir/(ne2*ne1); + const int i2 = (ir - i3*ne2*ne1)/ne1; + const int i1 = (ir - i3*ne2*ne1 - i2*ne1); + + ggml_fp16_t * dst_ptr = (ggml_fp16_t *) ((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1 ); + ggml_fp16_t * src0_ptr = (ggml_fp16_t *) ((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01); + for (int i = 0; i < ne0; i++) { + dst_ptr[i] = GGML_FP32_TO_FP16(GGML_FP16_TO_FP32(src0_ptr[i]) + v); + } + } +} + +static void ggml_compute_forward_add1_q_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(ggml_are_same_shape(src0, dst)); + GGML_ASSERT(ggml_is_scalar(src1)); + + // scalar to add + const float v = *(float *) src1->data; + + const int ith = params->ith; + const int nth = params->nth; + + const int nr = ggml_nrows(src0); + + GGML_TENSOR_UNARY_OP_LOCALS + + const enum ggml_type type = src0->type; + ggml_to_float_t const dequantize_row_q = type_traits[type].to_float; + ggml_from_float_t const quantize_row_q = type_traits[type].from_float; + + // we don't support permuted src0 + GGML_ASSERT(nb00 == ggml_type_size(type)); + + // dst cannot be transposed or permuted + GGML_ASSERT(nb0 <= nb1); + GGML_ASSERT(nb1 <= nb2); + GGML_ASSERT(nb2 <= nb3); + + GGML_ASSERT(ggml_is_quantized(src0->type)); + GGML_ASSERT(dst->type == src0->type); + GGML_ASSERT(src1->type == GGML_TYPE_F32); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + float * wdata = (float *) params->wdata + (ne0 + CACHE_LINE_SIZE_F32) * ith; + + for (int ir = ir0; ir < ir1; ++ir) { + // src0 and dst are same shape => same indices + const int i3 = ir/(ne2*ne1); + const int i2 = (ir - i3*ne2*ne1)/ne1; + const int i1 = (ir - i3*ne2*ne1 - i2*ne1); + + void * src0_row = (void *) ((char *) src0->data + (i1*nb01 + i2*nb02 + i3*nb03)); + void * dst_row = (void *) ((char *) dst->data + (i1*nb1 + i2*nb2 + i3*nb0 )); + + assert(ne0 % 32 == 0); + + // unquantize row from src0 to temp buffer + dequantize_row_q(src0_row, wdata, ne0); + // add src1 + ggml_vec_acc1_f32(ne0, wdata, v); + // quantize row to dst + quantize_row_q(wdata, dst_row, ne0); + } +} + +static void ggml_compute_forward_add1_bf16_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(ggml_are_same_shape(src0, dst)); + GGML_ASSERT(ggml_is_scalar(src1)); + + // scalar to add + const float v = *(float *) src1->data; + + const int ith = params->ith; + const int nth = params->nth; + + const int nr = ggml_nrows(src0); + + GGML_TENSOR_UNARY_OP_LOCALS + + GGML_ASSERT(src0->type == GGML_TYPE_BF16); + GGML_ASSERT(src1->type == GGML_TYPE_F32); + GGML_ASSERT(dst->type == GGML_TYPE_BF16); + + GGML_ASSERT( nb0 == sizeof(ggml_bf16_t)); + GGML_ASSERT(nb00 == sizeof(ggml_bf16_t)); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + for (int ir = ir0; ir < ir1; ++ir) { + // src0 and dst are same shape => same indices + const int i3 = ir/(ne2*ne1); + const int i2 = (ir - i3*ne2*ne1)/ne1; + const int i1 = (ir - i3*ne2*ne1 - i2*ne1); + + ggml_bf16_t * dst_ptr = (ggml_bf16_t *) ((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1 ); + ggml_bf16_t * src0_ptr = (ggml_bf16_t *) ((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01); + for (int i = 0; i < ne0; i++) { + dst_ptr[i] = GGML_FP32_TO_BF16(GGML_BF16_TO_FP32(src0_ptr[i]) + v); + } + } +} + +static void ggml_compute_forward_add1_bf16_bf16( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(ggml_are_same_shape(src0, dst)); + GGML_ASSERT(ggml_is_scalar(src1)); + + // scalar to add + const float v = GGML_BF16_TO_FP32(*(ggml_bf16_t *) src1->data); + + const int ith = params->ith; + const int nth = params->nth; + + const int nr = ggml_nrows(src0); + + GGML_TENSOR_UNARY_OP_LOCALS + + GGML_ASSERT(src0->type == GGML_TYPE_BF16); + GGML_ASSERT(src1->type == GGML_TYPE_BF16); + GGML_ASSERT(dst->type == GGML_TYPE_BF16); + + GGML_ASSERT( nb0 == sizeof(ggml_bf16_t)); + GGML_ASSERT(nb00 == sizeof(ggml_bf16_t)); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + for (int ir = ir0; ir < ir1; ++ir) { + // src0 and dst are same shape => same indices + const int i3 = ir/(ne2*ne1); + const int i2 = (ir - i3*ne2*ne1)/ne1; + const int i1 = (ir - i3*ne2*ne1 - i2*ne1); + + ggml_bf16_t * dst_ptr = (ggml_bf16_t *) ((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1 ); + ggml_bf16_t * src0_ptr = (ggml_bf16_t *) ((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01); + for (int i = 0; i < ne0; i++) { + dst_ptr[i] = GGML_FP32_TO_BF16(GGML_BF16_TO_FP32(src0_ptr[i]) + v); + } + } +} + +static void ggml_compute_forward_add1( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_add1_f32(params, dst); + } break; + case GGML_TYPE_F16: + { + if (src1->type == GGML_TYPE_F16) { + ggml_compute_forward_add1_f16_f16(params, dst); + } + else if (src1->type == GGML_TYPE_F32) { + ggml_compute_forward_add1_f16_f32(params, dst); + } + else { + GGML_ASSERT(false); + } + } break; + case GGML_TYPE_BF16: + { + if (src1->type == GGML_TYPE_BF16) { + ggml_compute_forward_add1_bf16_bf16(params, dst); + } + else if (src1->type == GGML_TYPE_F32) { + ggml_compute_forward_add1_bf16_f32(params, dst); + } + else { + GGML_ASSERT(false); + } + } break; + case GGML_TYPE_Q4_0: + case GGML_TYPE_Q4_1: + case GGML_TYPE_Q5_0: + case GGML_TYPE_Q5_1: + case GGML_TYPE_Q8_0: + case GGML_TYPE_Q8_1: + case GGML_TYPE_Q2_K: + case GGML_TYPE_Q3_K: + case GGML_TYPE_Q4_K: + case GGML_TYPE_Q5_K: + case GGML_TYPE_Q6_K: + case GGML_TYPE_IQ2_XXS: + case GGML_TYPE_IQ2_XS: + case GGML_TYPE_IQ3_XXS: + case GGML_TYPE_IQ1_S: + case GGML_TYPE_IQ1_M: + case GGML_TYPE_IQ1_BN: + case GGML_TYPE_IQ2_BN: + case GGML_TYPE_IQ4_NL: + case GGML_TYPE_IQ4_XS: + case GGML_TYPE_IQ3_S: + case GGML_TYPE_IQ2_S: + case GGML_TYPE_Q4_0_4_4: + case GGML_TYPE_Q4_0_4_8: + case GGML_TYPE_Q4_0_8_8: + { + ggml_compute_forward_add1_q_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_acc + +static void ggml_compute_forward_acc_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(ggml_are_same_shape(src0, dst)); + GGML_ASSERT(ggml_is_contiguous(dst) && ggml_is_contiguous(src0)); + + // view src0 and dst with these strides and data offset inbytes during acc + // nb0 is implicitly element_size because src0 and dst are contiguous + size_t nb1 = ((int32_t *) dst->op_params)[0]; + size_t nb2 = ((int32_t *) dst->op_params)[1]; + size_t nb3 = ((int32_t *) dst->op_params)[2]; + size_t offset = ((int32_t *) dst->op_params)[3]; + bool inplace = (bool) ((int32_t *) dst->op_params)[4]; + + if (!inplace) { + if (params->ith == 0) { + // memcpy needs to be synchronized across threads to avoid race conditions. + // => do it in INIT phase + memcpy( + ((char *) dst->data), + ((char *) src0->data), + ggml_nbytes(dst)); + } + ggml_barrier(params->shared); + } + + const int ith = params->ith; + const int nth = params->nth; + + const int nr = ggml_nrows(src1); + const int nc = src1->ne[0]; + + GGML_TENSOR_LOCALS(int64_t, ne1, src1, ne) + GGML_TENSOR_LOCALS(size_t, nb1, src1, nb) + + // src0 and dst as viewed during acc + const size_t nb0 = ggml_element_size(src0); + + const size_t nb00 = nb0; + const size_t nb01 = nb1; + const size_t nb02 = nb2; + const size_t nb03 = nb3; + + GGML_ASSERT(offset + (ne10 == 0 ? 0 : ne10-1)*nb0 + (ne11 == 0 ? 0 : ne11-1)*nb1 + (ne12 == 0 ? 0 : ne12-1)*nb2 + (ne13 == 0 ? 0 : ne13-1)*nb3 < ggml_nbytes(dst)); + GGML_ASSERT(offset + (ne10 == 0 ? 0 : ne10-1)*nb00 + (ne11 == 0 ? 0 : ne11-1)*nb01 + (ne12 == 0 ? 0 : ne12-1)*nb02 + (ne13 == 0 ? 0 : ne13-1)*nb03 < ggml_nbytes(src0)); + + GGML_ASSERT(nb10 == sizeof(float)); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + for (int ir = ir0; ir < ir1; ++ir) { + // src0 and dst are viewed with shape of src1 and offset + // => same indices + const int i3 = ir/(ne12*ne11); + const int i2 = (ir - i3*ne12*ne11)/ne11; + const int i1 = (ir - i3*ne12*ne11 - i2*ne11); + +#ifdef GGML_USE_ACCELERATE + vDSP_vadd( + (float *) ((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01 + offset), 1, + (float *) ((char *) src1->data + i3*nb13 + i2*nb12 + i1*nb11), 1, + (float *) ((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1 + offset), 1, nc); +#else + ggml_vec_add_f32(nc, + (float *) ((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1 + offset), + (float *) ((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01 + offset), + (float *) ((char *) src1->data + i3*nb13 + i2*nb12 + i1*nb11)); +#endif + } +} + +static void ggml_compute_forward_acc( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_acc_f32(params, dst); + } break; + case GGML_TYPE_F16: + case GGML_TYPE_BF16: + case GGML_TYPE_Q4_0: + case GGML_TYPE_Q4_1: + case GGML_TYPE_Q5_0: + case GGML_TYPE_Q5_1: + case GGML_TYPE_Q8_0: + case GGML_TYPE_Q8_1: + case GGML_TYPE_Q2_K: + case GGML_TYPE_Q3_K: + case GGML_TYPE_Q4_K: + case GGML_TYPE_Q5_K: + case GGML_TYPE_Q6_K: + case GGML_TYPE_IQ2_XXS: + case GGML_TYPE_IQ2_XS: + case GGML_TYPE_IQ3_XXS: + case GGML_TYPE_IQ1_S: + case GGML_TYPE_IQ1_M: + case GGML_TYPE_IQ1_BN: + case GGML_TYPE_IQ2_BN: + case GGML_TYPE_IQ4_NL: + case GGML_TYPE_IQ4_XS: + case GGML_TYPE_IQ3_S: + case GGML_TYPE_IQ2_S: + case GGML_TYPE_Q4_0_4_4: + case GGML_TYPE_Q4_0_4_8: + case GGML_TYPE_Q4_0_8_8: + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_sub + +static void ggml_compute_forward_sub_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + if (params->ith != 0) { + return; + } + + assert(ggml_are_same_shape(src0, src1) && ggml_are_same_shape(src0, dst)); + + const int nr = ggml_nrows(src0); + + GGML_TENSOR_BINARY_OP_LOCALS + + GGML_ASSERT( nb0 == sizeof(float)); + GGML_ASSERT(nb00 == sizeof(float)); + + if (nb10 == sizeof(float)) { + for (int ir = 0; ir < nr; ++ir) { + // src0, src1 and dst are same shape => same indices + const int i3 = ir/(ne2*ne1); + const int i2 = (ir - i3*ne2*ne1)/ne1; + const int i1 = (ir - i3*ne2*ne1 - i2*ne1); + +#ifdef GGML_USE_ACCELERATE + vDSP_vsub( + (float *) ((char *) src1->data + i3*nb13 + i2*nb12 + i1*nb11), 1, + (float *) ((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01), 1, + (float *) ((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1 ), 1, + ne0); +#else + ggml_vec_sub_f32(ne0, + (float *) ((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1 ), + (float *) ((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01), + (float *) ((char *) src1->data + i3*nb13 + i2*nb12 + i1*nb11)); +#endif + // } + // } + } + } else { + // src1 is not contiguous + for (int ir = 0; ir < nr; ++ir) { + // src0, src1 and dst are same shape => same indices + const int i3 = ir/(ne2*ne1); + const int i2 = (ir - i3*ne2*ne1)/ne1; + const int i1 = (ir - i3*ne2*ne1 - i2*ne1); + + float * dst_ptr = (float *) ((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1 ); + float * src0_ptr = (float *) ((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01); + for (int i0 = 0; i0 < ne0; i0++) { + float * src1_ptr = (float *) ((char *) src1->data + i3*nb13 + i2*nb12 + i1*nb11 + i0*nb10); + + dst_ptr[i0] = src0_ptr[i0] - *src1_ptr; + } + } + } +} + +static void ggml_compute_forward_sub( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_sub_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_mul + +static void ggml_compute_forward_mul_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(ggml_can_repeat(src1, src0) && ggml_are_same_shape(src0, dst)); + + const int ith = params->ith; + const int nth = params->nth; + + if (ggml_nelements(dst->src[1]) == 1 && ggml_is_contiguous(dst->src[0]) && ggml_is_contiguous(dst) && + dst->src[0]->type == GGML_TYPE_F32 && dst->src[1]->type == GGML_TYPE_F32 && dst->type == GGML_TYPE_F32) { + int64_t nelements = ggml_nelements(dst->src[0]); + int64_t n_per_thread = (nelements + nth - 1)/nth; + n_per_thread = MAX(1024, n_per_thread); + int64_t start = n_per_thread*ith; + if (start >= nelements) return; + int64_t end = MIN(nelements, start + n_per_thread); + const float * src = (const float *)dst->src[0]->data + start; + float * res = (float *)dst->data + start; + if (res != src) { + memcpy(res, src, (end - start)*sizeof(float)); + } + ggml_vec_scale_f32(end - start, res, *(const float *)dst->src[1]->data); + return; + } + + const int64_t nr = ggml_nrows(src0); + + GGML_TENSOR_BINARY_OP_LOCALS + + GGML_ASSERT( nb0 == sizeof(float)); + GGML_ASSERT(nb00 == sizeof(float)); + + if (nb10 == sizeof(float)) { + for (int64_t ir = ith; ir < nr; ir += nth) { + // src0 and dst are same shape => same indices + const int64_t i03 = ir/(ne02*ne01); + const int64_t i02 = (ir - i03*ne02*ne01)/ne01; + const int64_t i01 = (ir - i03*ne02*ne01 - i02*ne01); + + const int64_t i13 = i03 % ne13; + const int64_t i12 = i02 % ne12; + const int64_t i11 = i01 % ne11; + const int64_t nr0 = ne00 / ne10; + + float * dst_ptr = (float *) ((char *) dst->data + i03*nb3 + i02*nb2 + i01*nb1 ); + float * src0_ptr = (float *) ((char *) src0->data + i03*nb03 + i02*nb02 + i01*nb01); + float * src1_ptr = (float *) ((char *) src1->data + i13*nb13 + i12*nb12 + i11*nb11); + + for (int64_t r = 0 ; r < nr0; ++r) { +#ifdef GGML_USE_ACCELERATE + UNUSED(ggml_vec_mul_f32); + + vDSP_vmul(src0_ptr + r*ne10, 1, src1_ptr, 1, dst_ptr + r*ne10, 1, ne10); +#else + ggml_vec_mul_f32(ne10, dst_ptr + r*ne10, src0_ptr + r*ne10, src1_ptr); +#endif + } + } + } else { + // src1 is not contiguous + for (int64_t ir = ith; ir < nr; ir += nth) { + // src0 and dst are same shape => same indices + // src1 is broadcastable across src0 and dst in i1, i2, i3 + const int64_t i03 = ir/(ne02*ne01); + const int64_t i02 = (ir - i03*ne02*ne01)/ne01; + const int64_t i01 = (ir - i03*ne02*ne01 - i02*ne01); + + const int64_t i13 = i03 % ne13; + const int64_t i12 = i02 % ne12; + const int64_t i11 = i01 % ne11; + + float * dst_ptr = (float *) ((char *) dst->data + i03*nb3 + i02*nb2 + i01*nb1 ); + float * src0_ptr = (float *) ((char *) src0->data + i03*nb03 + i02*nb02 + i01*nb01); + + for (int64_t i0 = 0; i0 < ne00; ++i0) { + const int64_t i10 = i0 % ne10; + float * src1_ptr = (float *) ((char *) src1->data + i13*nb13 + i12*nb12 + i11*nb11 + i10*nb10); + + dst_ptr[i0] = src0_ptr[i0] * (*src1_ptr); + } + } + } +} + +static void ggml_compute_forward_mul( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(src1->type == GGML_TYPE_F32 && "only f32 src1 supported for now"); + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_mul_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_div + +static void ggml_compute_forward_div_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(ggml_can_repeat(src1, src0) && ggml_are_same_shape(src0, dst)); + + const int ith = params->ith; + const int nth = params->nth; + + const int64_t nr = ggml_nrows(src0); + + GGML_TENSOR_BINARY_OP_LOCALS + + GGML_ASSERT( nb0 == sizeof(float)); + GGML_ASSERT(nb00 == sizeof(float)); + + if (nb10 == sizeof(float)) { + for (int64_t ir = ith; ir < nr; ir += nth) { + // src0 and dst are same shape => same indices + const int64_t i03 = ir/(ne02*ne01); + const int64_t i02 = (ir - i03*ne02*ne01)/ne01; + const int64_t i01 = (ir - i03*ne02*ne01 - i02*ne01); + + const int64_t i13 = i03 % ne13; + const int64_t i12 = i02 % ne12; + const int64_t i11 = i01 % ne11; + const int64_t nr0 = ne00 / ne10; + + float * dst_ptr = (float *) ((char *) dst->data + i03*nb3 + i02*nb2 + i01*nb1 ); + float * src0_ptr = (float *) ((char *) src0->data + i03*nb03 + i02*nb02 + i01*nb01); + float * src1_ptr = (float *) ((char *) src1->data + i13*nb13 + i12*nb12 + i11*nb11); + + for (int64_t r = 0; r < nr0; ++r) { +#ifdef GGML_USE_ACCELERATE + UNUSED(ggml_vec_div_f32); + + vDSP_vdiv(src1_ptr, 1, src0_ptr + r*ne10, 1, dst_ptr + r*ne10, 1, ne10); +#else + ggml_vec_div_f32(ne10, dst_ptr + r*ne10, src0_ptr + r*ne10, src1_ptr); +#endif + } + } + } else { + // src1 is not contiguous + for (int64_t ir = ith; ir < nr; ir += nth) { + // src0 and dst are same shape => same indices + // src1 is broadcastable across src0 and dst in i1, i2, i3 + const int64_t i03 = ir/(ne02*ne01); + const int64_t i02 = (ir - i03*ne02*ne01)/ne01; + const int64_t i01 = (ir - i03*ne02*ne01 - i02*ne01); + + const int64_t i13 = i03 % ne13; + const int64_t i12 = i02 % ne12; + const int64_t i11 = i01 % ne11; + + float * dst_ptr = (float *) ((char *) dst->data + i03*nb3 + i02*nb2 + i01*nb1 ); + float * src0_ptr = (float *) ((char *) src0->data + i03*nb03 + i02*nb02 + i01*nb01); + + for (int64_t i0 = 0; i0 < ne00; ++i0) { + const int64_t i10 = i0 % ne10; + float * src1_ptr = (float *) ((char *) src1->data + i13*nb13 + i12*nb12 + i11*nb11 + i10*nb10); + + dst_ptr[i0] = src0_ptr[i0] / (*src1_ptr); + } + } + } +} + +static void ggml_compute_forward_div( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_div_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_sqr + +static void ggml_compute_forward_sqr_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + assert(ggml_are_same_shape(src0, dst)); + + const int n = ggml_nrows(src0); + const int nc = src0->ne[0]; + + assert( dst->nb[0] == sizeof(float)); + assert(src0->nb[0] == sizeof(float)); + + for (int i = 0; i < n; i++) { + ggml_vec_sqr_f32(nc, + (float *) ((char *) dst->data + i*( dst->nb[1])), + (float *) ((char *) src0->data + i*(src0->nb[1]))); + } +} + +static void ggml_compute_forward_sqr( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_sqr_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_sqrt + +static void ggml_compute_forward_sqrt_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + assert(ggml_are_same_shape(src0, dst)); + + const int n = ggml_nrows(src0); + const int nc = src0->ne[0]; + + assert( dst->nb[0] == sizeof(float)); + assert(src0->nb[0] == sizeof(float)); + + for (int i = 0; i < n; i++) { + ggml_vec_sqrt_f32(nc, + (float *) ((char *) dst->data + i*( dst->nb[1])), + (float *) ((char *) src0->data + i*(src0->nb[1]))); + } +} + +static void ggml_compute_forward_sqrt( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_sqrt_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_log + +static void ggml_compute_forward_log_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + GGML_ASSERT(ggml_are_same_shape(src0, dst)); + + const int n = ggml_nrows(src0); + const int nc = src0->ne[0]; + + GGML_ASSERT( dst->nb[0] == sizeof(float)); + GGML_ASSERT(src0->nb[0] == sizeof(float)); + + for (int i = 0; i < n; i++) { + ggml_vec_log_f32(nc, + (float *) ((char *) dst->data + i*( dst->nb[1])), + (float *) ((char *) src0->data + i*(src0->nb[1]))); + } +} + +static void ggml_compute_forward_log( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_log_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_sum + +static void ggml_compute_forward_sum_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + assert(ggml_is_scalar(dst)); + + + assert(ggml_is_scalar(dst)); + assert(src0->nb[0] == sizeof(float)); + + GGML_TENSOR_LOCALS(int64_t, ne0, src0, ne) + GGML_TENSOR_LOCALS(size_t, nb0, src0, nb) + + ggml_float sum = 0; + ggml_float row_sum = 0; + + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + for (int64_t i01 = 0; i01 < ne01; i01++) { + ggml_vec_sum_f32_ggf(ne00, + &row_sum, + (float *) ((char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03)); + sum += row_sum; + } + } + } + ((float *) dst->data)[0] = sum; +} + +static void ggml_compute_forward_sum_f16( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + assert(ggml_is_scalar(dst)); + + assert(src0->nb[0] == sizeof(ggml_fp16_t)); + + GGML_TENSOR_LOCALS(int64_t, ne0, src0, ne) + GGML_TENSOR_LOCALS(size_t, nb0, src0, nb) + + float sum = 0; + float row_sum = 0; + + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + for (int64_t i01 = 0; i01 < ne01; i01++) { + ggml_vec_sum_f16_ggf(ne00, + &row_sum, + (ggml_fp16_t *) ((char *) src0->data + i01 * nb01 + i02 * nb02 + i03 * nb03)); + sum += row_sum; + } + } + } + ((ggml_fp16_t *) dst->data)[0] = GGML_FP32_TO_FP16(sum); +} + +static void ggml_compute_forward_sum_bf16( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + assert(ggml_is_scalar(dst)); + + assert(src0->nb[0] == sizeof(ggml_bf16_t)); + + GGML_TENSOR_LOCALS(int64_t, ne0, src0, ne) + GGML_TENSOR_LOCALS(size_t, nb0, src0, nb) + + float sum = 0; + float row_sum = 0; + + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + for (int64_t i01 = 0; i01 < ne01; i01++) { + ggml_vec_sum_bf16_ggf(ne00, + &row_sum, + (ggml_bf16_t *) ((char *) src0->data + i01 * nb01 + i02 * nb02 + i03 * nb03)); + sum += row_sum; + } + } + } + ((ggml_bf16_t *) dst->data)[0] = GGML_FP32_TO_BF16(sum); +} + +static void ggml_compute_forward_sum( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_sum_f32(params, dst); + } break; + case GGML_TYPE_F16: + { + ggml_compute_forward_sum_f16(params, dst); + } break; + case GGML_TYPE_BF16: + { + ggml_compute_forward_sum_bf16(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_sum_rows + +static void ggml_compute_forward_sum_rows_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + GGML_ASSERT(src0->nb[0] == sizeof(float)); + GGML_ASSERT(dst->nb[0] == sizeof(float)); + + GGML_TENSOR_UNARY_OP_LOCALS + + GGML_ASSERT(ne0 == 1); + GGML_ASSERT(ne1 == ne01); + GGML_ASSERT(ne2 == ne02); + GGML_ASSERT(ne3 == ne03); + + for (int64_t i3 = 0; i3 < ne03; i3++) { + for (int64_t i2 = 0; i2 < ne02; i2++) { + for (int64_t i1 = 0; i1 < ne01; i1++) { + float * src_row = (float *) ((char *) src0->data + i1*nb01 + i2*nb02 + i3*nb03); + float * dst_row = (float *) ((char *) dst->data + i1*nb1 + i2*nb2 + i3*nb3); + float row_sum = 0; + ggml_vec_sum_f32(ne00, &row_sum, src_row); + dst_row[0] = row_sum; + } + } + } +} + +static void ggml_compute_forward_sum_rows( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_sum_rows_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_mean + +static void ggml_compute_forward_mean_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + assert(src0->nb[0] == sizeof(float)); + + GGML_TENSOR_UNARY_OP_LOCALS + + assert(ne0 == 1); + assert(ne1 == ne01); + assert(ne2 == ne02); + assert(ne3 == ne03); + + UNUSED(ne0); + UNUSED(ne1); + UNUSED(ne2); + UNUSED(ne3); + + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + for (int64_t i01 = 0; i01 < ne01; i01++) { + ggml_vec_sum_f32(ne00, + (float *) ((char *) dst->data + i01*nb1 + i02*nb2 + i03*nb3), + (float *) ((char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03)); + + *(float *) ((char *) dst->data + i01*nb1 + i02*nb2 + i03*nb3) /= (float) ne00; + } + } + } +} + +static void ggml_compute_forward_mean( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_mean_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_argmax + +static void ggml_compute_forward_argmax_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + assert(src0->nb[0] == sizeof(float)); + assert(dst->nb[0] == sizeof(float)); + + const int64_t ne00 = src0->ne[0]; + const int64_t ne01 = src0->ne[1]; + + const size_t nb01 = src0->nb[1]; + const size_t nb0 = dst->nb[0]; + + for (int64_t i1 = 0; i1 < ne01; i1++) { + float * src = (float *) ((char *) src0->data + i1*nb01); + int32_t * dst_ = (int32_t *) ((char *) dst->data + i1*nb0); + int v = 0; + ggml_vec_argmax_f32(ne00, &v, src); + dst_[0] = v; + } +} + +static void ggml_compute_forward_argmax( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_argmax_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_repeat + +static void ggml_compute_forward_repeat_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + GGML_ASSERT(ggml_can_repeat(src0, dst)); + + GGML_TENSOR_UNARY_OP_LOCALS + + // guaranteed to be an integer due to the check in ggml_can_repeat + const int nr0 = (int)(ne0/ne00); + const int nr1 = (int)(ne1/ne01); + const int nr2 = (int)(ne2/ne02); + const int nr3 = (int)(ne3/ne03); + + // TODO: support for transposed / permuted tensors + GGML_ASSERT(nb0 == sizeof(float)); + GGML_ASSERT(nb00 == sizeof(float)); + + // TODO: maybe this is not optimal? + for (int i3 = 0; i3 < nr3; i3++) { + for (int k3 = 0; k3 < ne03; k3++) { + for (int i2 = 0; i2 < nr2; i2++) { + for (int k2 = 0; k2 < ne02; k2++) { + for (int i1 = 0; i1 < nr1; i1++) { + for (int k1 = 0; k1 < ne01; k1++) { + for (int i0 = 0; i0 < nr0; i0++) { + ggml_vec_cpy_f32(ne00, + (float *) ((char *) dst->data + (i3*ne03 + k3)*nb3 + (i2*ne02 + k2)*nb2 + (i1*ne01 + k1)*nb1 + (i0*ne00)*nb0), + (float *) ((char *) src0->data + ( k3)*nb03 + ( k2)*nb02 + ( k1)*nb01)); + } + } + } + } + } + } + } +} + +static void ggml_compute_forward_repeat_f16( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + GGML_ASSERT(ggml_can_repeat(src0, dst)); + + GGML_TENSOR_UNARY_OP_LOCALS + + // guaranteed to be an integer due to the check in ggml_can_repeat + const int nr0 = (int)(ne0/ne00); + const int nr1 = (int)(ne1/ne01); + const int nr2 = (int)(ne2/ne02); + const int nr3 = (int)(ne3/ne03); + + // TODO: support for transposed / permuted tensors + GGML_ASSERT(nb0 == sizeof(ggml_fp16_t)); + GGML_ASSERT(nb00 == sizeof(ggml_fp16_t)); + + // TODO: maybe this is not optimal? + for (int i3 = 0; i3 < nr3; i3++) { + for (int k3 = 0; k3 < ne03; k3++) { + for (int i2 = 0; i2 < nr2; i2++) { + for (int k2 = 0; k2 < ne02; k2++) { + for (int i1 = 0; i1 < nr1; i1++) { + for (int k1 = 0; k1 < ne01; k1++) { + for (int i0 = 0; i0 < nr0; i0++) { + ggml_fp16_t * y = (ggml_fp16_t *) ((char *) dst->data + (i3*ne03 + k3)*nb3 + (i2*ne02 + k2)*nb2 + (i1*ne01 + k1)*nb1 + (i0*ne00)*nb0); + ggml_fp16_t * x = (ggml_fp16_t *) ((char *) src0->data + ( k3)*nb03 + ( k2)*nb02 + ( k1)*nb01); + // ggml_vec_cpy_f16(ne00, y, x) + for (int i = 0; i < ne00; ++i) { + y[i] = x[i]; + } + } + } + } + } + } + } + } +} + +static void ggml_compute_forward_repeat( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F16: + case GGML_TYPE_BF16: + case GGML_TYPE_I16: + { + ggml_compute_forward_repeat_f16(params, dst); + } break; + case GGML_TYPE_F32: + case GGML_TYPE_I32: + { + ggml_compute_forward_repeat_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_repeat_back + +static void ggml_compute_forward_repeat_back_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + GGML_ASSERT(ggml_can_repeat(dst, src0)); + + GGML_TENSOR_UNARY_OP_LOCALS + + // guaranteed to be an integer due to the check in ggml_can_repeat + const int nr0 = (int)(ne00/ne0); + const int nr1 = (int)(ne01/ne1); + const int nr2 = (int)(ne02/ne2); + const int nr3 = (int)(ne03/ne3); + + // TODO: support for transposed / permuted tensors + GGML_ASSERT(nb0 == sizeof(float)); + GGML_ASSERT(nb00 == sizeof(float)); + + if (ggml_is_contiguous(dst)) { + ggml_vec_set_f32(ne0*ne1*ne2*ne3, dst->data, 0); + } else { + for (int k3 = 0; k3 < ne3; k3++) { + for (int k2 = 0; k2 < ne2; k2++) { + for (int k1 = 0; k1 < ne1; k1++) { + ggml_vec_set_f32(ne0, + (float *) ((char *) dst->data + k1*nb1 + k2*nb2 + k3*nb3), + 0); + } + } + } + } + + // TODO: maybe this is not optimal? + for (int i3 = 0; i3 < nr3; i3++) { + for (int k3 = 0; k3 < ne3; k3++) { + for (int i2 = 0; i2 < nr2; i2++) { + for (int k2 = 0; k2 < ne2; k2++) { + for (int i1 = 0; i1 < nr1; i1++) { + for (int k1 = 0; k1 < ne1; k1++) { + for (int i0 = 0; i0 < nr0; i0++) { + ggml_vec_acc_f32(ne0, + (float *) ((char *) dst->data + ( k3)*nb3 + ( k2)*nb2 + ( k1)*nb1), + (float *) ((char *) src0->data + (i3*ne3 + k3)*nb03 + (i2*ne2 + k2)*nb02 + (i1*ne1 + k1)*nb01 + (i0*ne0)*nb00)); + } + } + } + } + } + } + } +} + +static void ggml_compute_forward_repeat_back( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_repeat_back_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_concat + +static void ggml_compute_forward_concat_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(src0->nb[0] == sizeof(float)); + + const int ith = params->ith; + const int nth = params->nth; + + GGML_TENSOR_BINARY_OP_LOCALS + + // TODO: support for transposed / permuted tensors + GGML_ASSERT(nb0 == sizeof(float)); + GGML_ASSERT(nb00 == sizeof(float)); + GGML_ASSERT(nb10 == sizeof(float)); + + const int32_t dim = ggml_get_op_params_i32(dst, 0); + + GGML_ASSERT(dim >= 0 && dim < 4); + + int64_t o[4] = {0, 0, 0, 0}; + o[dim] = src0->ne[dim]; + + const float * x; + + // TODO: smarter multi-theading + for (int i3 = 0; i3 < ne3; i3++) { + for (int i2 = ith; i2 < ne2; i2 += nth) { + for (int i1 = 0; i1 < ne1; i1++) { + for (int i0 = 0; i0 < ne0; i0++) { + if (i0 < ne00 && i1 < ne01 && i2 < ne02 && i3 < ne03) { + x = (const float *) ((const char *)src0->data + (i0 )*nb00 + (i1 )*nb01 + (i2 )*nb02 + (i3 )*nb03); + } else { + x = (const float *) ((const char *)src1->data + (i0 - o[0])*nb10 + (i1 - o[1])*nb11 + (i2 - o[2])*nb12 + (i3 - o[3])*nb13); + } + + float * y = (float *)((char *)dst->data + i0*nb0 + i1*nb1 + i2*nb2 + i3*nb3); + + *y = *x; + } + } + } + } +} + +static void ggml_compute_forward_concat( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + case GGML_TYPE_I32: + { + ggml_compute_forward_concat_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_abs + +static void ggml_compute_forward_abs_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + assert(ggml_is_contiguous_1(src0)); + assert(ggml_is_contiguous_1(dst)); + assert(ggml_are_same_shape(src0, dst)); + + const int n = ggml_nrows(src0); + const int nc = src0->ne[0]; + + for (int i = 0; i < n; i++) { + ggml_vec_abs_f32(nc, + (float *) ((char *) dst->data + i*( dst->nb[1])), + (float *) ((char *) src0->data + i*(src0->nb[1]))); + } +} + +static void ggml_compute_forward_abs( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_abs_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_sgn + +static void ggml_compute_forward_sgn_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + assert(ggml_is_contiguous_1(src0)); + assert(ggml_is_contiguous_1(dst)); + assert(ggml_are_same_shape(src0, dst)); + + const int n = ggml_nrows(src0); + const int nc = src0->ne[0]; + + for (int i = 0; i < n; i++) { + ggml_vec_sgn_f32(nc, + (float *) ((char *) dst->data + i*( dst->nb[1])), + (float *) ((char *) src0->data + i*(src0->nb[1]))); + } +} + +static void ggml_compute_forward_sgn( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_sgn_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_neg + +static void ggml_compute_forward_neg_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + assert(ggml_is_contiguous_1(src0)); + assert(ggml_is_contiguous_1(dst)); + assert(ggml_are_same_shape(src0, dst)); + + const int n = ggml_nrows(src0); + const int nc = src0->ne[0]; + + for (int i = 0; i < n; i++) { + ggml_vec_neg_f32(nc, + (float *) ((char *) dst->data + i*( dst->nb[1])), + (float *) ((char *) src0->data + i*(src0->nb[1]))); + } +} + +static void ggml_compute_forward_neg( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_neg_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_step + +static void ggml_compute_forward_step_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + assert(ggml_is_contiguous_1(src0)); + assert(ggml_is_contiguous_1(dst)); + assert(ggml_are_same_shape(src0, dst)); + + const int n = ggml_nrows(src0); + const int nc = src0->ne[0]; + + for (int i = 0; i < n; i++) { + ggml_vec_step_f32(nc, + (float *) ((char *) dst->data + i*( dst->nb[1])), + (float *) ((char *) src0->data + i*(src0->nb[1]))); + } +} + +static void ggml_compute_forward_step( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_step_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_tanh + +static void ggml_compute_forward_tanh_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + assert(ggml_is_contiguous_1(src0)); + assert(ggml_is_contiguous_1(dst)); + assert(ggml_are_same_shape(src0, dst)); + + const int n = ggml_nrows(src0); + const int nc = src0->ne[0]; + + for (int i = 0; i < n; i++) { + ggml_vec_tanh_f32(nc, + (float *) ((char *) dst->data + i*( dst->nb[1])), + (float *) ((char *) src0->data + i*(src0->nb[1]))); + } +} + +static void ggml_compute_forward_tanh( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_tanh_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_elu + +static void ggml_compute_forward_elu_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + assert(ggml_is_contiguous_1(src0)); + assert(ggml_is_contiguous_1(dst)); + assert(ggml_are_same_shape(src0, dst)); + + const int n = ggml_nrows(src0); + const int nc = src0->ne[0]; + + for (int i = 0; i < n; i++) { + ggml_vec_elu_f32(nc, + (float *) ((char *) dst->data + i*( dst->nb[1])), + (float *) ((char *) src0->data + i*(src0->nb[1]))); + } +} + +static void ggml_compute_forward_elu( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_elu_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_relu + +static void ggml_compute_forward_relu_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + assert(ggml_is_contiguous_1(src0)); + assert(ggml_is_contiguous_1(dst)); + assert(ggml_are_same_shape(src0, dst)); + + const int n = ggml_nrows(src0); + const int nc = src0->ne[0]; + + for (int i = 0; i < n; i++) { + ggml_vec_relu_f32(nc, + (float *) ((char *) dst->data + i*( dst->nb[1])), + (float *) ((char *) src0->data + i*(src0->nb[1]))); + } +} + +static void ggml_compute_forward_relu( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_relu_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_sigmoid + +static void ggml_compute_forward_sigmoid_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + assert(ggml_is_contiguous_1(src0)); + assert(ggml_is_contiguous_1(dst)); + assert(ggml_are_same_shape(src0, dst)); + + const int n = ggml_nrows(src0); + const int nc = src0->ne[0]; + + for (int i = 0; i < n; i++) { + ggml_vec_sigmoid_f32(nc, + (float *) ((char *) dst->data + i*( dst->nb[1])), + (float *) ((char *) src0->data + i*(src0->nb[1]))); + } +} + +static void ggml_compute_forward_sigmoid( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_sigmoid_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_gelu + +static void ggml_compute_forward_gelu_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + assert(ggml_is_contiguous_1(src0)); + assert(ggml_is_contiguous_1(dst)); + assert(ggml_are_same_shape(src0, dst)); + + const int ith = params->ith; + const int nth = params->nth; + + const int nc = src0->ne[0]; + const int nr = ggml_nrows(src0); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + for (int i1 = ir0; i1 < ir1; i1++) { + ggml_vec_gelu_f32(nc, + (float *) ((char *) dst->data + i1*( dst->nb[1])), + (float *) ((char *) src0->data + i1*(src0->nb[1]))); + +#ifndef NDEBUG + for (int k = 0; k < nc; k++) { + const float x = ((float *) ((char *) dst->data + i1*( dst->nb[1])))[k]; + UNUSED(x); + assert(!isnan(x)); + assert(!isinf(x)); + } +#endif + } +} + +static void ggml_compute_forward_gelu( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_gelu_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_gelu_quick + +static void ggml_compute_forward_gelu_quick_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + assert(ggml_is_contiguous_1(src0)); + assert(ggml_is_contiguous_1(dst)); + assert(ggml_are_same_shape(src0, dst)); + + const int ith = params->ith; + const int nth = params->nth; + + const int nc = src0->ne[0]; + const int nr = ggml_nrows(src0); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + for (int i1 = ir0; i1 < ir1; i1++) { + ggml_vec_gelu_quick_f32(nc, + (float *) ((char *) dst->data + i1*( dst->nb[1])), + (float *) ((char *) src0->data + i1*(src0->nb[1]))); + +#ifndef NDEBUG + for (int k = 0; k < nc; k++) { + const float x = ((float *) ((char *) dst->data + i1*( dst->nb[1])))[k]; + UNUSED(x); + assert(!isnan(x)); + assert(!isinf(x)); + } +#endif + } +} + +static void ggml_compute_forward_gelu_quick( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_gelu_quick_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_silu + +static void ggml_compute_forward_silu_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + assert(ggml_is_contiguous_1(src0)); + assert(ggml_is_contiguous_1(dst)); + assert(ggml_are_same_shape(src0, dst)); + + const int ith = params->ith; + const int nth = params->nth; + + const int nc = src0->ne[0]; + const int nr = ggml_nrows(src0); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + for (int i1 = ir0; i1 < ir1; i1++) { + ggml_vec_silu_f32(nc, + (float *) ((char *) dst->data + i1*( dst->nb[1])), + (float *) ((char *) src0->data + i1*(src0->nb[1]))); + +#ifndef NDEBUG + for (int k = 0; k < nc; k++) { + const float x = ((float *) ((char *) dst->data + i1*(dst->nb[1])))[k]; + UNUSED(x); + assert(!isnan(x)); + assert(!isinf(x)); + } +#endif + } +} + +static void ggml_compute_forward_silu( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_silu_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} +// ggml_compute_forward_leaky_relu + +static void ggml_compute_forward_leaky_relu_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + assert(ggml_is_contiguous_1(src0)); + assert(ggml_is_contiguous_1(dst)); + assert(ggml_are_same_shape(src0, dst)); + + const int n = ggml_nrows(src0); + const int nc = src0->ne[0]; + + float negative_slope; + memcpy(&negative_slope, dst->op_params, sizeof(float)); + + assert(dst->nb[0] == sizeof(float)); + assert(src0->nb[0] == sizeof(float)); + + for (int i = 0; i < n; i++) { + ggml_vec_leaky_relu_f32(nc, + (float *) ((char *) dst->data + i*( dst->nb[1])), + (float *) ((char *) src0->data + i*(src0->nb[1])), negative_slope); + } +} + +static void ggml_compute_forward_leaky_relu( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_leaky_relu_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_silu_back + +static void ggml_compute_forward_silu_back_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * grad = dst->src[1]; + + assert(ggml_is_contiguous_1(grad)); + assert(ggml_is_contiguous_1(src0)); + assert(ggml_is_contiguous_1(dst)); + assert(ggml_are_same_shape(src0, dst)); + assert(ggml_are_same_shape(src0, grad)); + + const int ith = params->ith; + const int nth = params->nth; + + const int nc = src0->ne[0]; + const int nr = ggml_nrows(src0); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + for (int i1 = ir0; i1 < ir1; i1++) { + ggml_vec_silu_backward_f32(nc, + (float *) ((char *) dst->data + i1*( dst->nb[1])), + (float *) ((char *) src0->data + i1*(src0->nb[1])), + (float *) ((char *) grad->data + i1*(grad->nb[1]))); + +#ifndef NDEBUG + for (int k = 0; k < nc; k++) { + const float x = ((float *) ((char *) dst->data + i1*( dst->nb[1])))[k]; + UNUSED(x); + assert(!isnan(x)); + assert(!isinf(x)); + } +#endif + } +} + +static void ggml_compute_forward_silu_back( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_silu_back_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + + +static void ggml_compute_forward_hardswish_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + assert(ggml_is_contiguous_1(src0)); + assert(ggml_is_contiguous_1(dst)); + assert(ggml_are_same_shape(src0, dst)); + + const int n = ggml_nrows(src0); + const int nc = src0->ne[0]; + + for (int i = 0; i < n; i++) { + ggml_vec_hardswish_f32(nc, + (float *) ((char *) dst->data + i*( dst->nb[1])), + (float *) ((char *) src0->data + i*(src0->nb[1]))); + } +} +static void ggml_compute_forward_hardswish( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_hardswish_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +static void ggml_compute_forward_hardsigmoid_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + assert(ggml_is_contiguous_1(src0)); + assert(ggml_is_contiguous_1(dst)); + assert(ggml_are_same_shape(src0, dst)); + + const int n = ggml_nrows(src0); + const int nc = src0->ne[0]; + + for (int i = 0; i < n; i++) { + ggml_vec_hardsigmoid_f32(nc, + (float *) ((char *) dst->data + i*( dst->nb[1])), + (float *) ((char *) src0->data + i*(src0->nb[1]))); + } +} + +static void ggml_compute_forward_hardsigmoid( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_hardsigmoid_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + + +// ggml_compute_forward_norm + +static void ggml_compute_forward_norm_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + GGML_ASSERT(ggml_are_same_shape(src0, dst)); + + GGML_ASSERT(src0->nb[0] == sizeof(float)); + + const int ith = params->ith; + const int nth = params->nth; + + GGML_TENSOR_UNARY_OP_LOCALS + + float eps; + memcpy(&eps, dst->op_params, sizeof(float)); + + GGML_ASSERT(eps > 0.0f); + + // TODO: optimize + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + for (int64_t i01 = ith; i01 < ne01; i01 += nth) { + const float * x = (float *) ((char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03); + + ggml_float sum = 0.0; + for (int64_t i00 = 0; i00 < ne00; i00++) { + sum += (ggml_float)x[i00]; + } + + float mean = sum/ne00; + + float * y = (float *) ((char *) dst->data + i01*nb1 + i02*nb2 + i03*nb3); + + ggml_float sum2 = 0.0; + for (int64_t i00 = 0; i00 < ne00; i00++) { + float v = x[i00] - mean; + y[i00] = v; + sum2 += (ggml_float)(v*v); + } + + float variance = sum2/ne00; + const float scale = 1.0f/sqrtf(variance + eps); + + ggml_vec_scale_f32(ne00, y, scale); + } + } + } +} + +static void ggml_compute_forward_norm( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_norm_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_group_rms_norm + +static void ggml_compute_forward_rms_norm_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + GGML_ASSERT(ggml_are_same_shape(src0, dst)); + + GGML_ASSERT(src0->nb[0] == sizeof(float)); + + const int ith = params->ith; + const int nth = params->nth; + + GGML_TENSOR_UNARY_OP_LOCALS + + float eps; + memcpy(&eps, dst->op_params, sizeof(float)); + + GGML_ASSERT(eps > 0.0f); + + // TODO: optimize + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + for (int64_t i01 = ith; i01 < ne01; i01 += nth) { + const float * x = (float *) ((char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03); + + ggml_float sum = 0.0; + for (int64_t i00 = 0; i00 < ne00; i00++) { + sum += (ggml_float)(x[i00] * x[i00]); + } + + const float mean = sum/ne00; + + float * y = (float *) ((char *) dst->data + i01*nb1 + i02*nb2 + i03*nb3); + + memcpy(y, x, ne00 * sizeof(float)); + // for (int i00 = 0; i00 < ne00; i00++) { + // y[i00] = x[i00]; + // } + + const float scale = 1.0f/sqrtf(mean + eps); + + ggml_vec_scale_f32(ne00, y, scale); + } + } + } +} + +static void ggml_compute_forward_rms_norm( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_rms_norm_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +static void ggml_compute_forward_rms_norm_back_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(ggml_are_same_shape(src0, dst) && ggml_are_same_shape(src0, src1)); + + GGML_ASSERT(src0->nb[0] == sizeof(float)); + + const int ith = params->ith; + const int nth = params->nth; + + GGML_TENSOR_BINARY_OP_LOCALS + + float eps; + memcpy(&eps, dst->op_params, sizeof(float)); + + // TODO: optimize + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + for (int64_t i01 = ith; i01 < ne01; i01 += nth) { + // src1 is same shape as src0 => same indices + const int64_t i11 = i01; + const int64_t i12 = i02; + const int64_t i13 = i03; + + const float * x = (float *) ((char *) src0->data + i01*nb01 + i02*nb02 + i03*nb03); + const float * dz = (float *) ((char *) src1->data + i11*nb11 + i12*nb12 + i13*nb13); + + ggml_float sum_xx = 0.0; + ggml_float sum_xdz = 0.0; + + for (int64_t i00 = 0; i00 < ne00; i00++) { + sum_xx += (ggml_float)(x[i00] * x[i00]); + sum_xdz += (ggml_float)(x[i00] * dz[i00]); + } + + //const float mean = (float)(sum_xx)/ne00; + const float mean_eps = (float)(sum_xx)/ne00 + eps; + const float sum_eps = (float)(sum_xx) + eps*ne00; + //const float mean_xdz = (float)(sum_xdz)/ne00; + // we could cache rms from forward pass to improve performance. + // to do this implement ggml_rms and compose ggml_rms_norm using ggml_rms. + //const float rms = sqrtf(mean_eps); + const float rrms = 1.0f / sqrtf(mean_eps); + //const float scale = -rrms/(ne00 * mean_eps); // -1/(n*rms**3) + + { + // z = rms_norm(x) + // + // rms_norm(src0) = + // scale( + // src0, + // div( + // 1, + // sqrt( + // add( + // scale( + // sum( + // sqr( + // src0)), + // (1.0/N)), + // eps)))); + + // postorder: + // ## op args grad + // 00 param src0 grad[#00] + // 01 const 1 + // 02 sqr (#00) grad[#02] + // 03 sum (#02) grad[#03] + // 04 const 1/N + // 05 scale (#03, #04) grad[#05] + // 06 const eps + // 07 add (#05, #06) grad[#07] + // 08 sqrt (#07) grad[#08] + // 09 div (#01,#08) grad[#09] + // 10 scale (#00,#09) grad[#10] + // + // backward pass, given grad[#10] + // #10: scale + // grad[#00] += scale(grad[#10],#09) + // grad[#09] += sum(mul(grad[#10],#00)) + // #09: div + // grad[#08] += neg(mul(grad[#09], div(#09,#08))) + // #08: sqrt + // grad[#07] += mul(grad[#08], div(0.5, #08)) + // #07: add + // grad[#05] += grad[#07] + // #05: scale + // grad[#03] += scale(grad[#05],#04) + // #03: sum + // grad[#02] += repeat(grad[#03], #02) + // #02: + // grad[#00] += scale(mul(#00, grad[#02]), 2.0) + // + // substitute and simplify: + // grad[#00] = scale(grad(#10), #09) + scale(mul(#00, grad[#02]), 2.0) + // grad[#02] = repeat(grad[#03], #02) + // grad[#02] = repeat(scale(grad[#05],#04), #02) + // grad[#02] = repeat(scale(grad[#07],#04), #02) + // grad[#02] = repeat(scale(mul(grad[#08], div(0.5, #08)),#04), #02) + // grad[#02] = repeat(scale(mul(neg(mul(grad[#09], div(#09,#08))), div(0.5, #08)),#04), #02) + // grad[#02] = repeat(scale(mul(neg(mul(sum(mul(grad[#10],#00)), div(#09,#08))), div(0.5, #08)),#04), #02) + // grad[#02] = repeat(-(sum(mul(grad[#10],#00)) * div(#09,#08) * div(0.5, #08) * (1/N)), #02) + // grad[#02] = repeat(-(sum(mul(grad[#10],#00)) * div(div(#01,#08),#08) * div(0.5, #08) * (1/N)), #02) + // grad[#02] = repeat(-(sum(mul(grad[#10],#00)) * div(1,#08*#08) * div(0.5, #08) * (1/N)), #02) + // grad[#02] = repeat(-(sum(mul(grad[#10],#00)) * div(1,#07) * div(0.5, #08) * (1/N)), #02) + // grad[#00] = scale(grad(#10), #09) + scale(mul(#00, grad[#02]), 2.0) + // grad[#00] = scale(grad(#10), #09) + scale(mul(#00, repeat(-(sum(mul(grad[#10],#00)) * div(1,#07) * div(0.5, #08) * (1/N)), #02)), 2.0) + // grad[#00] = scale(grad(#10), #09) + scale(scale(#00, -(sum(mul(grad[#10],#00)) * div(1,#07) * div(0.5, #08) * (1/N))), 2.0) + // grad[#00] = scale(grad(#10), #09) + scale(#00, -(sum(mul(grad[#10],#00)) * div(1,#07) * div(1,#08) * (1/N))) + // grad[#00] = scale(grad(#10), #09) + scale(#00, sum(mul(grad[#10],#00)) * div(1,#07*#08) * (-1/N)) + // grad[#00] = scale(grad(#10), #09) + scale(#00, sum(mul(grad[#10],#00)) * div(1,#07*#08) * (-1/N)) + // grad[#00] = scale(grad(#10), #09) + scale(#00, sum(mul(grad[#10],#00)) * div(1,mean_eps*rms) * (-1/N)) + // grad[#00] = scale(grad(#10), #09) + scale(#00, sum(mul(grad[#10],#00)) * div(-1,rms*N*mean_eps)) + // grad[#00] = scale(grad(#10), #09) + scale(#00, sum(mul(grad[#10],#00)) * div(-1,rms*N*(sum_xx/N+eps))) + // grad[#00] = scale(grad(#10), #09) + scale(#00, sum(mul(grad[#10],#00)) * div(-1,rms*N*sum_xx+rms*N*eps)) + // grad[#00] = scale(dz, rrms) + scale(x, sum(mul(dz,x)) * div(-1,rms*N*mean_eps)) + // grad[#00] = scale(dz, rrms) + scale(x, sum_xdz * div(-1,rms*N*mean_eps)) + // a = b*c + d*e + // a = b*c*f/f + d*e*f/f + // a = (b*c*f + d*e*f)*(1/f) + // a = (b*c*(1/c) + d*e*(1/c))*(1/(1/c)) + // a = (b + d*e/c)*c + // b = dz, c = rrms, d = x, e = sum_xdz * div(-1,rms*N*mean_eps) + // a = (dz + x*sum_xdz * div(-1,rms*N*mean_eps)/rrms)*rrms + // a = (dz + x*sum_xdz * div(-1,rms*N*mean_eps)*rms)*rrms + // a = (dz + x*sum_xdz * div(-rms,rms*N*mean_eps))*rrms + // a = (dz + x*sum_xdz * div(-1,N*mean_eps))*rrms + // a = (dz + x*div(-sum_xdz,N*mean_eps))*rrms + // a = (dz + x*div(-mean_xdz,mean_eps))*rrms + // grad[#00] = scale(dz + scale(x, div(-mean_xdz,mean_eps)),rrms) + // grad[#00] = scale(dz + scale(x, -mean_xdz/mean_eps),rrms) + // dx = scale(dz + scale(x, -mean_xdz/mean_eps),rrms) + } + // dx = scale(dz + scale(x, -mean_xdz/mean_eps),rrms) + // post-order: + // dx := x + // dx := scale(dx,-mean_xdz/mean_eps) + // dx := add(dx, dz) + // dx := scale(dx, rrms) + float * dx = (float *) ((char *) dst->data + i01*nb1 + i02*nb2 + i03*nb3); + + ggml_vec_cpy_f32 (ne00, dx, x); + // ggml_vec_scale_f32(ne00, dx, -mean_xdz/mean_eps); + ggml_vec_scale_f32(ne00, dx, (float)(-sum_xdz)/sum_eps); + ggml_vec_acc_f32 (ne00, dx, dz); + ggml_vec_scale_f32(ne00, dx, rrms); + } + } + } +} + +static void ggml_compute_forward_rms_norm_back( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_rms_norm_back_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_group_norm + +static void ggml_compute_forward_group_norm_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + GGML_ASSERT(ggml_are_same_shape(src0, dst)); + + GGML_ASSERT(src0->nb[0] == sizeof(float)); + + const int ith = params->ith; + const int nth = params->nth; + + GGML_TENSOR_UNARY_OP_LOCALS + + const float eps = 1e-6f; // TODO: make this a parameter + + // TODO: optimize + + int n_channels = src0->ne[2]; + int n_groups = dst->op_params[0]; + int n_channels_per_group = (n_channels + n_groups - 1) / n_groups; + for (int i = ith; i < n_groups; i += nth) { + int start = i * n_channels_per_group; + int end = start + n_channels_per_group; + if (end > n_channels) { + end = n_channels; + } + int step = end - start; + + for (int64_t i03 = 0; i03 < ne03; i03++) { + ggml_float sum = 0.0; + for (int64_t i02 = start; i02 < end; i02++) { + for (int64_t i01 = 0; i01 < ne01; i01++) { + const float * x = (float *)((char *) src0->data + i01 * nb01 + i02 * nb02 + i03 * nb03); + + ggml_float sumr = 0.0; + for (int64_t i00 = 0; i00 < ne00; i00++) { + sumr += (ggml_float)x[i00]; + } + sum += sumr; + } + } + const float mean = sum / (ne00 * ne01 * step); + + ggml_float sum2 = 0.0; + for (int64_t i02 = start; i02 < end; i02++) { + for (int64_t i01 = 0; i01 < ne01; i01++) { + const float * x = (float *)((char *) src0->data + i01 * nb01 + i02 * nb02 + i03 * nb03); + + float * y = (float *)((char *) dst->data + i01 * nb1 + i02 * nb2 + i03 * nb3); + + ggml_float sumr = 0.0; + for (int64_t i00 = 0; i00 < ne00; i00++) { + float v = x[i00] - mean; + y[i00] = v; + sumr += (ggml_float)(v * v); + } + sum2 += sumr; + } + } + const float variance = sum2 / (ne00 * ne01 * step); + const float scale = 1.0f / sqrtf(variance + eps); + + for (int64_t i02 = start; i02 < end; i02++) { + for (int64_t i01 = 0; i01 < ne01; i01++) { + float * y = (float *)((char *) dst->data + i01 * nb1 + i02 * nb2 + i03 * nb3); + ggml_vec_scale_f32(ne00, y, scale); + } + } + } + } +} + +static void ggml_compute_forward_group_norm( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_group_norm_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_mul_mat + +static void ggml_compute_forward_mul_mat_one_chunk( + const struct ggml_compute_params * params, + struct ggml_tensor * dst, + const int64_t num_rows_per_vec_dot, + const int64_t ir0_start, + const int64_t ir0_end, + const int64_t ir1_start, + const int64_t ir1_end) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_TENSOR_BINARY_OP_LOCALS + + const enum ggml_type type = src0->type; + + const bool src1_cont = ggml_is_contiguous(src1); + + ggml_vec_dot_t const vec_dot = type_traits[type].vec_dot; + enum ggml_type const vec_dot_type = type_traits[type].vec_dot_type; + + // broadcast factors + const int64_t r2 = ne12 / ne02; + const int64_t r3 = ne13 / ne03; + + //printf("ir0_start = %6lld, ir0_end = %6lld, ir1_start = %6lld, ir1_end = %6lld\n", ir0_start, ir0_end, ir1_start, ir1_end); + + // threads with no work simply yield (not sure if it helps) + if (ir0_start >= ir0_end || ir1_start >= ir1_end) { + return; + } + + const void * wdata = (src1->type == vec_dot_type) ? src1->data : params->wdata; + const size_t row_size = ggml_row_size(vec_dot_type, ne10); + + assert(ne12 % ne02 == 0); + assert(ne13 % ne03 == 0); + + // block-tiling attempt + const int64_t blck_0 = 16; + const int64_t blck_1 = 16; + + const size_t src1_col_stride = src1_cont || src1->type != vec_dot_type ? row_size : nb11; + + // attempt to reduce false-sharing (does not seem to make a difference) + // 16 * 2, accounting for mmla kernels + float tmp[32]; + + for (int64_t iir1 = ir1_start; iir1 < ir1_end; iir1 += blck_1) { + for (int64_t iir0 = ir0_start; iir0 < ir0_end; iir0 += blck_0) { + for (int64_t ir1 = iir1; ir1 < iir1 + blck_1 && ir1 < ir1_end; ir1 += num_rows_per_vec_dot) { + const int64_t i13 = (ir1 / (ne12 * ne1)); + const int64_t i12 = (ir1 - i13 * ne12 * ne1) / ne1; + const int64_t i11 = (ir1 - i13 * ne12 * ne1 - i12 * ne1); + + // broadcast src0 into src1 + const int64_t i03 = i13 / r3; + const int64_t i02 = i12 / r2; + + const int64_t i1 = i11; + const int64_t i2 = i12; + const int64_t i3 = i13; + + const char * src0_row = (const char*)src0->data + (0 + i02 * nb02 + i03 * nb03); + + // desc: when src1 is not a contiguous memory block we have to calculate the offset using the strides + // if it is, then we have either copied the data to params->wdata and made it contiguous or we are using + // the original src1 data pointer, so we should index using the indices directly + // TODO: this is a bit of a hack, we should probably have a better way to handle this + const char * src1_col = (const char*)wdata + + (src1_cont || src1->type != vec_dot_type + ? (i11 + i12 * ne11 + i13 * ne12 * ne11) * row_size + : (i11 * nb11 + i12 * nb12 + i13 * nb13)); + float * dst_col = (float*)((char*)dst->data + (i1 * nb1 + i2 * nb2 + i3 * nb3)); + + //for (int64_t ir0 = iir0; ir0 < iir0 + blck_0 && ir0 < ir0_end; ++ir0) { + // vec_dot(ne00, &dst_col[ir0], src0_row + ir0*nb01, src1_col); + //} + + for (int64_t ir0 = iir0; ir0 < iir0 + blck_0 && ir0 < ir0_end; ir0 += num_rows_per_vec_dot) { + vec_dot(ne00, &tmp[ir0 - iir0], (num_rows_per_vec_dot > 1 ? 16 : 0), src0_row + ir0 * nb01, (num_rows_per_vec_dot > 1 ? nb01 : 0), src1_col, (num_rows_per_vec_dot > 1 ? src1_col_stride : 0), num_rows_per_vec_dot); + } + + for (int cn = 0; cn < num_rows_per_vec_dot; ++cn) { + memcpy(&dst_col[iir0 + cn * nb1 / nb0], tmp + (cn * 16), (MIN(iir0 + blck_0, ir0_end) - iir0) * sizeof(float)); + } + } + } + } +} + +static void ggml_compute_forward_mul_mat( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_TENSOR_BINARY_OP_LOCALS + + const int ith = params->ith; + const int nth = params->nth; + + const enum ggml_type type = src0->type; + + enum ggml_type const vec_dot_type = type_traits[type].vec_dot_type; + ggml_from_float_t const from_float = type_traits[vec_dot_type].from_float; + ggml_from_float_to_mat_t const from_float_to_mat = type_traits[vec_dot_type].from_float_to_mat; + int64_t const vec_dot_num_rows = type_traits[type].nrows; + int64_t const matmul_num_cols = type_traits[type].ncols; + int64_t const blck_size_interleave = type_traits[type].blck_size_interleave; + ggml_gemv_t const gemv = type_traits[type].gemv; + ggml_gemm_t const gemm = type_traits[type].gemm; + + GGML_ASSERT(ne0 == ne01); + GGML_ASSERT(ne1 == ne11); + GGML_ASSERT(ne2 == ne12); + GGML_ASSERT(ne3 == ne13); + + // we don't support permuted src0 or src1 + GGML_ASSERT(nb00 == ggml_type_size(type)); + GGML_ASSERT(nb10 == ggml_type_size(src1->type)); + + // dst cannot be transposed or permuted + GGML_ASSERT(nb0 == sizeof(float)); + GGML_ASSERT(nb0 <= nb1); + GGML_ASSERT(nb1 <= nb2); + GGML_ASSERT(nb2 <= nb3); + + // nb01 >= nb00 - src0 is not transposed + // compute by src0 rows + +#if GGML_USE_IQK_MULMAT || GGML_USE_LLAMAFILE + // broadcast factors + const int64_t r2 = ne12 / ne02; + const int64_t r3 = ne13 / ne03; +#endif + +#if GGML_USE_IQK_MULMAT + if (dst->type == GGML_TYPE_F32 && (ne12*ne13)%nth == 0) { + int counter = 0; + for (int64_t i13 = 0; i13 < ne13; i13++) { + for (int64_t i12 = 0; i12 < ne12; i12++) { + if (counter++ % nth == ith) { + if (!iqk_mul_mat(ne01, ne11, ne00, + src0->type, (const char *)src0->data + i12/r2*nb02 + i13/r3*nb03, nb01/ggml_type_size(src0->type), + src1->type, (const char *)src1->data + i12*nb12 + i13*nb13, nb11/ggml_type_size(src1->type), + (float *)((char *)dst->data + i12*nb2 + i13*nb3), nb1/ggml_type_size(dst->type), + 0, 1)) goto IQK_MulMat_Not_Available1; + } + } + } + return; + } + if (dst->type == GGML_TYPE_F32) { + for (int64_t i13 = 0; i13 < ne13; i13++) + for (int64_t i12 = 0; i12 < ne12; i12++) + if (!iqk_mul_mat(ne01, ne11, ne00, + src0->type, (const char *)src0->data + i12/r2*nb02 + i13/r3*nb03, nb01/ggml_type_size(src0->type), + src1->type, (const char *)src1->data + i12*nb12 + i13*nb13, nb11/ggml_type_size(src1->type), + (float *)((char *)dst->data + i12*nb2 + i13*nb3), nb1/ggml_type_size(dst->type), + ith, nth)) goto IQK_MulMat_Not_Available1; + return; + } +IQK_MulMat_Not_Available1:; +#endif + +#if GGML_USE_LLAMAFILE + + const bool src1_cont = ggml_is_contiguous(src1); + + if (src1_cont) { + for (int64_t i13 = 0; i13 < ne13; i13++) + for (int64_t i12 = 0; i12 < ne12; i12++) + if (!llamafile_sgemm(ne01, ne11, ne00/ggml_blck_size(src0->type), + (const char *)src0->data + i12/r2*nb02 + i13/r3*nb03, + nb01/ggml_type_size(src0->type), + (const char *)src1->data + i12*nb12 + i13*nb13, + nb11/ggml_type_size(src1->type), + (char *)dst->data + i12*nb2 + i13*nb3, + nb1/ggml_type_size(dst->type), + ith, nth, + src0->type, + src1->type, + dst->type)) + goto UseGgmlGemm1; + return; + } +UseGgmlGemm1:; +#endif + + if (src1->type != vec_dot_type) { + char * wdata = params->wdata; + + const size_t nbw1 = ggml_row_size(vec_dot_type, ne10); + const size_t nbw2 = nbw1*ne11; + const size_t nbw3 = nbw2*ne12; + + assert(params->wsize >= ne13*nbw3); + GGML_ASSERT(src1->type == GGML_TYPE_F32); + + for (int64_t i13 = 0; i13 < ne13; ++i13) { + for (int64_t i12 = 0; i12 < ne12; ++i12) { + int64_t i11_processed = 0; + if ((ggml_n_dims(src1) == 2) && from_float_to_mat && gemm) { + for (int64_t i11 = ith * 4; i11 < ne11 - ne11 % 4; i11 += nth * 4) { + from_float_to_mat((float *)((char *) src1->data + i13*nb13 + i12*nb12 + i11*nb11), + (void *) (wdata + i13*nbw3 + i12*nbw2 + i11*nbw1), + 4, ne10, blck_size_interleave); + } + i11_processed = ne11 - ne11 % 4; + } + for (int64_t i11 = i11_processed + ith; i11 < ne11; i11 += nth) { + from_float((float *)((char *) src1->data + i13*nb13 + i12*nb12 + i11*nb11), + (void *) (wdata + i13*nbw3 + i12*nbw2 + i11*nbw1), + ne10); + } + } + } + } + + if (ith == 0) { + // Every thread starts at ith, so the first unprocessed chunk is nth. This save a bit of coordination right at the start. + atomic_store(¶ms->shared->current_chunk, nth); + } + + ggml_barrier(params->shared); + + const void * wdata = (src1->type == vec_dot_type) ? src1->data : params->wdata; + +#if GGML_USE_IQK_MULMAT + if (src1->type != vec_dot_type && dst->type == GGML_TYPE_F32) { + const size_t row_size = ggml_row_size(vec_dot_type, ne10); + for (int64_t i13 = 0; i13 < ne13; i13++) + for (int64_t i12 = 0; i12 < ne12; i12++) + if (!iqk_mul_mat(ne01, ne11, ne00, + src0->type, (const char *)src0->data + i12/r2*nb02 + i13/r3*nb03, nb01/ggml_type_size(src0->type), + vec_dot_type, (const char *)wdata + (i12*ne11 + i13*ne12*ne11)*row_size, row_size/ggml_type_size(vec_dot_type), + (float *)((char *)dst->data + i12*nb2 + i13*nb3), nb1/ggml_type_size(dst->type), + ith, nth)) goto IQK_MulMat_Not_Available2; + return; + } +IQK_MulMat_Not_Available2:; +#endif + +#if GGML_USE_LLAMAFILE + if (src1->type != vec_dot_type) { + const size_t row_size = ggml_row_size(vec_dot_type, ne10); + + for (int64_t i13 = 0; i13 < ne13; i13++) + for (int64_t i12 = 0; i12 < ne12; i12++) + if (!llamafile_sgemm(ne01, ne11, ne00/ggml_blck_size(src0->type), + (const char *)src0->data + i12/r2*nb02 + i13/r3*nb03, + nb01/ggml_type_size(src0->type), + (const char *)wdata + (i12*ne11 + i13*ne12*ne11)*row_size, + row_size/ggml_type_size(vec_dot_type), + (char *)dst->data + i12*nb2 + i13*nb3, + nb1/ggml_type_size(dst->type), + ith, nth, + src0->type, + vec_dot_type, + dst->type)) + goto UseGgmlGemm2; + return; + } +UseGgmlGemm2:; +#endif + + // This is the size of the first dimension of the result, so we can iterate that way. (see the ASSERT above, these are the same numbers) + const int64_t nr0 = ne0; + + // This is the size of the rest of the dimensions of the result + const int64_t nr1 = ne1 * ne2 * ne3; + + // dot kernels can handle 1 row and col at a time, but mmla kernels can process 2 rows and cols + int64_t num_rows_per_vec_dot = vec_dot_num_rows; + // TODO: currently the mmla kernels support only even numbered rows/cols. + // this check can be removed once they are extended to support odd numbered rows/cols too + if ((nr0 % 2 != 0) || (ne11 % 2 != 0)) { + num_rows_per_vec_dot = 1; + } + + // Now select a reasonable chunk size. + int chunk_size = 16; + + // We need to step up the size if it's small + if (nr0 == 1 || nr1 == 1) { + chunk_size = 64; + } + + // distribute the work across the inner or outer loop based on which one is larger + // The number of chunks in the 0/1 dim. + // CEIL(nr0/chunk_size) + int64_t nchunk0 = (nr0 + chunk_size - 1) / chunk_size; + int64_t nchunk1 = (nr1 + chunk_size - 1) / chunk_size; + + // If the chunking is poor for the number of threads on this setup, scrap the whole plan. Re-chunk it by thread. + // Also, chunking by thread was measured to have perform better on NUMA systems. See https://github.com/ggerganov/llama.cpp/pull/6915 + // In theory, chunking should be just as useful on NUMA and non NUMA systems, but testing disagreed with that. + if (nchunk0 * nchunk1 < nth * 4 || ggml_is_numa()) { + // distribute the thread work across the inner or outer loop based on which one is larger + nchunk0 = nr0 > nr1 ? nth : 1; // parallelize by src0 rows + nchunk1 = nr0 > nr1 ? 1 : nth; // parallelize by src1 rows + } + + // The number of elements in each chunk + const int64_t dr0 = (nr0 + nchunk0 - 1) / nchunk0; + const int64_t dr1 = (nr1 + nchunk1 - 1) / nchunk1; + + if ((ggml_n_dims(src0) == 2) && gemv) { + const void * src1_wdata = (src1->type == vec_dot_type) ? src1->data : params->wdata; + const size_t src1_col_stride = ggml_is_contiguous(src1) || src1->type != vec_dot_type ? ggml_row_size(vec_dot_type, ne10) : nb11; + int64_t src0_start = (ith * ne01) / nth; + int64_t src0_end = ((ith + 1) * ne01) / nth; + src0_start = (src0_start % matmul_num_cols) ? src0_start + matmul_num_cols - (src0_start % matmul_num_cols): src0_start; + src0_end = (src0_end % matmul_num_cols) ? src0_end + matmul_num_cols - (src0_end % matmul_num_cols): src0_end; + if (src0_start >= src0_end) return; + + // If there are more than three rows in src1, use gemm; otherwise, use gemv. + if (gemm && (ne11 > 3)) { + gemm(ne00, (float *)((char *) dst->data) + src0_start, ne01, (const char *) src0->data + src0_start * nb01, + (const char *) src1_wdata, ne11 - ne11 % 4, src0_end - src0_start); + } + for (int iter = gemm ? ne11 - ne11 % 4 : 0; iter < ne11; iter++) { + gemv(ne00, (float *)((char *) dst->data + (iter * nb1)) + src0_start, ne01, + (const char *) src0->data + src0_start * nb01, (const char *) src1_wdata + (src1_col_stride * iter), 1, + src0_end - src0_start); + } + return; + } + + // The first chunk comes from our thread_id, the rest will get auto-assigned. + int current_chunk = ith; + + while (current_chunk < nchunk0 * nchunk1) { + const int64_t ith0 = current_chunk % nchunk0; + const int64_t ith1 = current_chunk / nchunk0; + + const int64_t ir0_start = dr0 * ith0; + const int64_t ir0_end = MIN(ir0_start + dr0, nr0); + + const int64_t ir1_start = dr1 * ith1; + const int64_t ir1_end = MIN(ir1_start + dr1, nr1); + + ggml_compute_forward_mul_mat_one_chunk(params, dst, num_rows_per_vec_dot, ir0_start, ir0_end, ir1_start, ir1_end); + + if (nth >= nchunk0 * nchunk1) { + break; + } + + current_chunk = atomic_fetch_add(¶ms->shared->current_chunk, 1); + } +} + +// ggml_compute_forward_mul_mat_id + +static void ggml_compute_forward_mul_mat_id( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + const struct ggml_tensor * ids = dst->src[2]; + + GGML_TENSOR_BINARY_OP_LOCALS + + const int ith = params->ith; + const int nth = params->nth; + + const enum ggml_type type = src0->type; + + const bool src1_cont = ggml_is_contiguous(src1); + + ggml_vec_dot_t const vec_dot = type_traits[type].vec_dot; + enum ggml_type const vec_dot_type = type_traits[type].vec_dot_type; + ggml_from_float_t const from_float = type_traits[vec_dot_type].from_float; + int64_t const matmul_num_cols = type_traits[type].ncols; + ggml_gemv_t const gemv = type_traits[type].gemv; + + // we don't support permuted src0 or src1 + GGML_ASSERT(nb00 == ggml_type_size(type)); + GGML_ASSERT(nb10 == ggml_type_size(src1->type)); + + // dst cannot be transposed or permuted + GGML_ASSERT(nb0 == sizeof(float)); + GGML_ASSERT(nb0 <= nb1); + GGML_ASSERT(nb1 <= nb2); + GGML_ASSERT(nb2 <= nb3); + + // row groups + const int n_ids = ids->ne[0]; // n_expert_used + const int n_as = ne02; // n_expert + + char * wdata_src1_end = (src1->type == vec_dot_type) ? + (char *) params->wdata : + (char *) params->wdata + GGML_PAD(ggml_row_size(vec_dot_type, ggml_nelements(src1)), sizeof(int64_t)); + + struct mmid_row_mapping { + int32_t i1; + int32_t i2; + }; + + int64_t * matrix_row_counts = (int64_t *) (wdata_src1_end); // [n_as] + struct mmid_row_mapping * matrix_rows = (struct mmid_row_mapping *)(matrix_row_counts + n_as); // [n_as][ne11] + + if (src1->type != vec_dot_type) { + char * wdata = params->wdata; + + const size_t nbw1 = ggml_row_size(vec_dot_type, ne10); + const size_t nbw2 = nbw1*ne11; + const size_t nbw3 = nbw2*ne12; + + assert(params->wsize >= ne13*nbw3); + GGML_ASSERT(src1->type == GGML_TYPE_F32); + + for (int64_t i13 = 0; i13 < ne13; ++i13) { + for (int64_t i12 = 0; i12 < ne12; ++i12) { + for (int64_t i11 = ith; i11 < ne11; i11 += nth) { + from_float((float *)((char *) src1->data + i13*nb13 + i12*nb12 + i11*nb11), + (void *) (wdata + i13*nbw3 + i12*nbw2 + i11*nbw1), + ne10); + } + } + } + } + +#define MMID_MATRIX_ROW(row_id, i1) matrix_rows[(row_id)*ne12 + (i1)] + + if (ith == 0) { + // initialize matrix_row_counts + memset(matrix_row_counts, 0, n_as*sizeof(int64_t)); + + // group rows by src0 matrix + for (int64_t iid1 = 0; iid1 < ids->ne[1]; ++iid1) { + for (int id = 0; id < n_ids; ++id) { + const int32_t i02 = *(const int32_t *) ((const char *) ids->data + iid1*ids->nb[1] + id*ids->nb[0]); + + assert(i02 >= 0 && i02 < n_as); + + MMID_MATRIX_ROW(i02, matrix_row_counts[i02]) = (struct mmid_row_mapping) {id, iid1}; + matrix_row_counts[i02] += 1; + } + } + } + + ggml_barrier(params->shared); + + // compute each matrix multiplication in sequence + for (int cur_a = 0; cur_a < n_as; ++cur_a) { + const int64_t cne1 = matrix_row_counts[cur_a]; + + if (cne1 == 0) { + continue; + } + + const char * src0_cur = (const char *) src0->data + cur_a*nb02; + + const void * wdata = (src1->type == vec_dot_type) ? src1->data : params->wdata; + const size_t row_size = ggml_row_size(vec_dot_type, ne10); + + const int64_t nr0 = ne01; // src0 rows + const int64_t nr1 = cne1; // src1 rows + // +#if GGML_USE_IQK_MULMAT + if (ne13 == 1 && dst->type == GGML_TYPE_F32) { + if (!iqk_mul_mat_moe(nr0, nr1, ne00, ne11, + src0->type, (const char *)src0_cur, nb01/ggml_type_size(src0->type), + vec_dot_type, (const char *)wdata, row_size/ggml_type_size(vec_dot_type), + (float *)dst->data, nb1, nb2, + matrix_rows + cur_a*ne12, ith, nth)) goto IQK_MulMat_Not_Available; + continue; + } +IQK_MulMat_Not_Available:; +#endif + + if (((ggml_n_dims(src0) - 1) == 2) && gemv) { + int64_t src0_cur_start = (ith * ne01) / nth; + int64_t src0_cur_end = ((ith + 1) * ne01) / nth; + src0_cur_start = (src0_cur_start % matmul_num_cols) ? src0_cur_start + matmul_num_cols - (src0_cur_start % matmul_num_cols): src0_cur_start; + src0_cur_end = (src0_cur_end % matmul_num_cols) ? src0_cur_end + matmul_num_cols - (src0_cur_end % matmul_num_cols): src0_cur_end; + if (src0_cur_start >= src0_cur_end) return; + + for (int ir1 = 0; ir1 < nr1; ir1++) { + struct mmid_row_mapping row_mapping = MMID_MATRIX_ROW(cur_a, ir1); + const int id = row_mapping.i1; // selected expert index + + const int64_t i11 = id % ne11; + const int64_t i12 = row_mapping.i2; // row index in src1 + + const int64_t i1 = id; // selected expert index + const int64_t i2 = i12; // row + + const char * src1_col = (const char *) wdata + + (src1_cont || src1->type != vec_dot_type + ? (i11 + i12 * ne11) * row_size + : (i11 * nb11 + i12 * nb12)); + + gemv(ne00, (float *)((char *) dst->data + (i1 * nb1 + i2 * nb2)) + src0_cur_start, ne01, + (const char *) src0_cur + src0_cur_start * nb01, src1_col, 1, src0_cur_end - src0_cur_start); + } + continue; + } + + // distribute the thread work across the inner or outer loop based on which one is larger + + const int64_t nth0 = nr0 > nr1 ? nth : 1; // parallelize by src0 rows + const int64_t nth1 = nr0 > nr1 ? 1 : nth; // parallelize by src1 rows + + const int64_t ith0 = ith % nth0; + const int64_t ith1 = ith / nth0; + + const int64_t dr0 = (nr0 + nth0 - 1)/nth0; + const int64_t dr1 = (nr1 + nth1 - 1)/nth1; + + const int64_t ir010 = dr0*ith0; + const int64_t ir011 = MIN(ir010 + dr0, nr0); + + const int64_t ir110 = dr1*ith1; + const int64_t ir111 = MIN(ir110 + dr1, nr1); + + // threads with no work simply yield (not sure if it helps) + //if (ir010 >= ir011 || ir110 >= ir111) { + // sched_yield(); + // continue; + //} + + // block-tiling attempt + const int64_t blck_0 = 16; + const int64_t blck_1 = 16; + + // attempt to reduce false-sharing (does not seem to make a difference) + float tmp[16]; + + for (int64_t iir1 = ir110; iir1 < ir111; iir1 += blck_1) { + for (int64_t iir0 = ir010; iir0 < ir011; iir0 += blck_0) { + for (int64_t ir1 = iir1; ir1 < iir1 + blck_1 && ir1 < ir111; ++ir1) { + const int64_t _i12 = ir1; // logical row index for this expert + + struct mmid_row_mapping row_mapping = MMID_MATRIX_ROW(cur_a, _i12); + const int id = row_mapping.i1; // selected expert index + + const int64_t i11 = id % ne11; + const int64_t i12 = row_mapping.i2; // row index in src1 + + const int64_t i1 = id; // selected expert index + const int64_t i2 = i12; // row + + // desc: when src1 is not a contiguous memory block we have to calculate the offset using the strides + // if it is, then we have either copied the data to params->wdata and made it contiguous or we are using + // the original src1 data pointer, so we should index using the indices directly + // TODO: this is a bit of a hack, we should probably have a better way to handle this + const char * src1_col = (const char *) wdata + + (src1_cont || src1->type != vec_dot_type + ? (i11 + i12*ne11)*row_size + : (i11*nb11 + i12*nb12)); + + float * dst_col = (float *) ((char *) dst->data + (i1*nb1 + i2*nb2)); + + //for (int64_t ir0 = iir0; ir0 < iir0 + blck_0 && ir0 < ir011; ++ir0) { + // vec_dot(ne00, &dst_col[ir0], src0_row + ir0*nb01, src1_col); + //} + + for (int64_t ir0 = iir0; ir0 < iir0 + blck_0 && ir0 < ir011; ++ir0) { + vec_dot(ne00, &tmp[ir0 - iir0], 0, src0_cur + ir0*nb01, 0, src1_col, 0, 1); + } + + memcpy(&dst_col[iir0], tmp, (MIN(iir0 + blck_0, ir011) - iir0)*sizeof(float)); + } + } + } + } + +#undef MMID_MATRIX_ROW +} + +// ggml_compute_forward_out_prod + +static void ggml_compute_forward_out_prod_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_TENSOR_BINARY_OP_LOCALS + + const int ith = params->ith; + const int nth = params->nth; + + GGML_ASSERT(ne0 == ne00); + GGML_ASSERT(ne1 == ne10); + GGML_ASSERT(ne2 == ne02); + GGML_ASSERT(ne02 == ne12); + GGML_ASSERT(ne3 == ne13); + GGML_ASSERT(ne03 == ne13); + + // we don't support permuted src0 or src1 + GGML_ASSERT(nb00 == sizeof(float)); + + // dst cannot be transposed or permuted + GGML_ASSERT(nb0 == sizeof(float)); + // GGML_ASSERT(nb0 <= nb1); + // GGML_ASSERT(nb1 <= nb2); + // GGML_ASSERT(nb2 <= nb3); + + // nb01 >= nb00 - src0 is not transposed + // compute by src0 rows + + if (ith == 0) { + ggml_vec_set_f32(ne0*ne1*ne2*ne3, dst->data, 0); + } + ggml_barrier(params->shared); + + // dst[:,:,:,:] = 0 + // for i2,i3: + // for i1: + // for i01: + // for i0: + // dst[i0,i1,i2,i3] += src0[i0,i01,i2,i3] * src1[i1,i01,i2,i3] + + // parallelize by last three dimensions + + // total rows in dst + const int64_t nr = ne1*ne2*ne3; + + // rows per thread + const int64_t dr = (nr + nth - 1)/nth; + + // row range for this thread + const int64_t ir0 = dr*ith; + const int64_t ir1 = MIN(ir0 + dr, nr); + + // block-tiling attempt + const int64_t blck_0 = MAX(GGML_VEC_MAD_UNROLL, 32); + const int64_t blck_1 = 16; + + for (int64_t bir = ir0; bir < ir1; bir += blck_1) { + const int64_t bir1 = MIN(bir + blck_1, ir1); + for (int64_t bi01 = 0; bi01 < ne01; bi01 += blck_0) { + const int64_t bne01 = MIN(bi01 + blck_0, ne01); + for (int64_t ir = bir; ir < bir1; ++ir) { + // dst indices + const int64_t i3 = ir/(ne2*ne1); + const int64_t i2 = (ir - i3*ne2*ne1)/ne1; + const int64_t i1 = (ir - i3*ne2*ne1 - i2*ne1); + + const int64_t i02 = i2; + const int64_t i03 = i3; + + //const int64_t i10 = i1; + const int64_t i12 = i2; + const int64_t i13 = i3; + +#if GGML_VEC_MAD_UNROLL > 2 + const int64_t bne01_unroll = bne01 - (bne01 % GGML_VEC_MAD_UNROLL); + for (int64_t i01 = bi01; i01 < bne01_unroll; i01 += GGML_VEC_MAD_UNROLL) { + const int64_t i11 = i01; + + float * s0 = (float *) ((char *) src0->data + ( i01*nb01 + i02*nb02 + i03*nb03)); + float * s1 = (float *) ((char *) src1->data + (i1*nb10 + i11*nb11 + i12*nb12 + i13*nb13)); + float * d = (float *) ((char *) dst->data + ( i1*nb1 + i2*nb2 + i3*nb3)); + + ggml_vec_mad_f32_unroll(ne0, nb01, nb11, d, s0, s1); + } + for (int64_t i01 = bne01_unroll; i01 < bne01; ++i01) { + const int64_t i11 = i01; + + float * s0 = (float *) ((char *) src0->data + ( i01*nb01 + i02*nb02 + i03*nb03)); + float * s1 = (float *) ((char *) src1->data + (i1*nb10 + i11*nb11 + i12*nb12 + i13*nb13)); + float * d = (float *) ((char *) dst->data + ( i1*nb1 + i2*nb2 + i3*nb3)); + + ggml_vec_mad_f32(ne0, d, s0, *s1); + } +#else + for (int64_t i01 = bi01; i01 < bne01; ++i01) { + const int64_t i11 = i01; + + float * s0 = (float *) ((char *) src0->data + ( i01*nb01 + i02*nb02 + i03*nb03)); + float * s1 = (float *) ((char *) src1->data + (i1*nb10 + i11*nb11 + i12*nb12 + i13*nb13)); + float * d = (float *) ((char *) dst->data + ( i1*nb1 + i2*nb2 + i3*nb3)); + + ggml_vec_mad_f32(ne0, d, s0, *s1); + } +#endif + } + } + } +} + +static void ggml_compute_forward_out_prod_q_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_TENSOR_BINARY_OP_LOCALS; + + const int ith = params->ith; + const int nth = params->nth; + + const enum ggml_type type = src0->type; + ggml_to_float_t const dequantize_row_q = type_traits[type].to_float; + + GGML_ASSERT(ne02 == ne12); + GGML_ASSERT(ne03 == ne13); + GGML_ASSERT(ne2 == ne12); + GGML_ASSERT(ne3 == ne13); + + // we don't support permuted src0 dim0 + GGML_ASSERT(nb00 == ggml_type_size(type)); + + // dst dim0 cannot be transposed or permuted + GGML_ASSERT(nb0 == sizeof(float)); + // GGML_ASSERT(nb0 <= nb1); + // GGML_ASSERT(nb1 <= nb2); + // GGML_ASSERT(nb2 <= nb3); + + GGML_ASSERT(ne0 == ne00); + GGML_ASSERT(ne1 == ne10); + GGML_ASSERT(ne2 == ne02); + GGML_ASSERT(ne3 == ne03); + + // nb01 >= nb00 - src0 is not transposed + // compute by src0 rows + + if (ith == 0) { + ggml_vec_set_f32(ne0*ne1*ne2*ne3, dst->data, 0); + } + ggml_barrier(params->shared); + + // parallelize by last three dimensions + + // total rows in dst + const int64_t nr = ne1*ne2*ne3; + + // rows per thread + const int64_t dr = (nr + nth - 1)/nth; + + // row range for this thread + const int64_t ir0 = dr*ith; + const int64_t ir1 = MIN(ir0 + dr, nr); + + // dst[:,:,:,:] = 0 + // for i2,i3: + // for i1: + // for i01: + // for i0: + // dst[i0,i1,i2,i3] += src0[i0,i01,i2,i3] * src1[i1,i01,i2,i3] + + float * wdata = (float *) params->wdata + (ne0 + CACHE_LINE_SIZE_F32) * ith; + + for (int64_t ir = ir0; ir < ir1; ++ir) { + // dst indices + const int64_t i3 = ir/(ne2*ne1); + const int64_t i2 = (ir - i3*ne2*ne1)/ne1; + const int64_t i1 = (ir - i3*ne2*ne1 - i2*ne1); + + const int64_t i02 = i2; + const int64_t i03 = i3; + + //const int64_t i10 = i1; + const int64_t i12 = i2; + const int64_t i13 = i3; + + for (int64_t i01 = 0; i01 < ne01; ++i01) { + const int64_t i11 = i01; + + float * s0 = (float *) ((char *) src0->data + ( i01*nb01 + i02*nb02 + i03*nb03)); + float * s1 = (float *) ((char *) src1->data + (i1*nb10 + i11*nb11 + i12*nb12 + i13*nb13)); + float * d = (float *) ((char *) dst->data + ( i1*nb1 + i2*nb2 + i3*nb3)); + + dequantize_row_q(s0, wdata, ne0); + ggml_vec_mad_f32(ne0, d, wdata, *s1); + } + } +} + +static void ggml_compute_forward_out_prod( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_Q4_0: + case GGML_TYPE_Q4_1: + case GGML_TYPE_Q5_0: + case GGML_TYPE_Q5_1: + case GGML_TYPE_Q8_0: + case GGML_TYPE_Q2_K: + case GGML_TYPE_Q3_K: + case GGML_TYPE_Q4_K: + case GGML_TYPE_Q5_K: + case GGML_TYPE_Q6_K: + case GGML_TYPE_IQ2_XXS: + case GGML_TYPE_IQ2_XS: + case GGML_TYPE_IQ3_XXS: + case GGML_TYPE_IQ1_S: + case GGML_TYPE_IQ1_M: + case GGML_TYPE_IQ1_BN: + case GGML_TYPE_IQ2_BN: + case GGML_TYPE_IQ4_NL: + case GGML_TYPE_IQ4_XS: + case GGML_TYPE_IQ3_S: + case GGML_TYPE_IQ2_S: + case GGML_TYPE_Q4_0_4_4: + case GGML_TYPE_Q4_0_4_8: + case GGML_TYPE_Q4_0_8_8: + { + ggml_compute_forward_out_prod_q_f32(params, dst); + } break; + case GGML_TYPE_F16: + { + GGML_ASSERT(false); // todo + // ggml_compute_forward_out_prod_f16_f32(params, dst); + } break; + case GGML_TYPE_F32: + { + ggml_compute_forward_out_prod_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_scale + +static void ggml_compute_forward_scale_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + GGML_ASSERT(ggml_is_contiguous(src0)); + GGML_ASSERT(ggml_is_contiguous(dst)); + GGML_ASSERT(ggml_are_same_shape(src0, dst)); + + // scale factor + float v; + memcpy(&v, dst->op_params, sizeof(float)); + + const int ith = params->ith; + const int nth = params->nth; + + const int nc = src0->ne[0]; + const int nr = ggml_nrows(src0); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + const size_t nb01 = src0->nb[1]; + + const size_t nb1 = dst->nb[1]; + + for (int i1 = ir0; i1 < ir1; i1++) { + if (dst->data != src0->data) { + // src0 is same shape as dst => same indices + memcpy((char *)dst->data + i1*nb1, (char *)src0->data + i1*nb01, nc * sizeof(float)); + } + ggml_vec_scale_f32(nc, (float *) ((char *) dst->data + i1*nb1), v); + } +} + +static void ggml_compute_forward_scale( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_scale_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_set + +static void ggml_compute_forward_set_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(ggml_are_same_shape(src0, dst)); + GGML_ASSERT(ggml_is_contiguous(dst) && ggml_is_contiguous(src0)); + + // view src0 and dst with these strides and data offset inbytes during set + // nb0 is implicitly element_size because src0 and dst are contiguous + size_t nb1 = ((int32_t *) dst->op_params)[0]; + size_t nb2 = ((int32_t *) dst->op_params)[1]; + size_t nb3 = ((int32_t *) dst->op_params)[2]; + size_t offset = ((int32_t *) dst->op_params)[3]; + bool inplace = (bool) ((int32_t *) dst->op_params)[4]; + + if (!inplace) { + if (params->ith == 0) { + // memcpy needs to be synchronized across threads to avoid race conditions. + // => do it in INIT phase + memcpy( + ((char *) dst->data), + ((char *) src0->data), + ggml_nbytes(dst)); + } + ggml_barrier(params->shared); + } + + const int ith = params->ith; + const int nth = params->nth; + + const int nr = ggml_nrows(src1); + const int nc = src1->ne[0]; + + GGML_TENSOR_LOCALS(int64_t, ne1, src1, ne) + GGML_TENSOR_LOCALS(size_t, nb1, src1, nb) + + // src0 and dst as viewed during set + const size_t nb0 = ggml_element_size(src0); + + const int im0 = (ne10 == 0 ? 0 : ne10-1); + const int im1 = (ne11 == 0 ? 0 : ne11-1); + const int im2 = (ne12 == 0 ? 0 : ne12-1); + const int im3 = (ne13 == 0 ? 0 : ne13-1); + + GGML_ASSERT(offset + im0*nb0 + im1*nb1 + im2*nb2 + im3*nb3 <= ggml_nbytes(dst)); + + GGML_ASSERT(nb10 == sizeof(float)); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + for (int ir = ir0; ir < ir1; ++ir) { + // src0 and dst are viewed with shape of src1 and offset + // => same indices + const int i3 = ir/(ne12*ne11); + const int i2 = (ir - i3*ne12*ne11)/ne11; + const int i1 = (ir - i3*ne12*ne11 - i2*ne11); + + ggml_vec_cpy_f32(nc, + (float *) ((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1 + offset), + (float *) ((char *) src1->data + i3*nb13 + i2*nb12 + i1*nb11)); + } +} + +static void ggml_compute_forward_set( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_set_f32(params, dst); + } break; + case GGML_TYPE_F16: + case GGML_TYPE_BF16: + case GGML_TYPE_Q4_0: + case GGML_TYPE_Q4_1: + case GGML_TYPE_Q5_0: + case GGML_TYPE_Q5_1: + case GGML_TYPE_Q8_0: + case GGML_TYPE_Q8_1: + case GGML_TYPE_Q2_K: + case GGML_TYPE_Q3_K: + case GGML_TYPE_Q4_K: + case GGML_TYPE_Q5_K: + case GGML_TYPE_Q6_K: + case GGML_TYPE_IQ2_XXS: + case GGML_TYPE_IQ2_XS: + case GGML_TYPE_IQ3_XXS: + case GGML_TYPE_IQ1_S: + case GGML_TYPE_IQ1_M: + case GGML_TYPE_IQ1_BN: + case GGML_TYPE_IQ2_BN: + case GGML_TYPE_IQ4_NL: + case GGML_TYPE_IQ4_XS: + case GGML_TYPE_IQ3_S: + case GGML_TYPE_IQ2_S: + case GGML_TYPE_Q4_0_4_4: + case GGML_TYPE_Q4_0_4_8: + case GGML_TYPE_Q4_0_8_8: + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_cpy + +static void ggml_compute_forward_cpy( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + ggml_compute_forward_dup(params, dst); +} + +// ggml_compute_forward_cont + +static void ggml_compute_forward_cont( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + ggml_compute_forward_dup(params, dst); +} + +// ggml_compute_forward_reshape + +static void ggml_compute_forward_reshape( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + // NOP + UNUSED(params); + UNUSED(dst); +} + +// ggml_compute_forward_view + +static void ggml_compute_forward_view( + const struct ggml_compute_params * params, + const struct ggml_tensor * dst) { + // NOP + UNUSED(params); + UNUSED(dst); +} + +// ggml_compute_forward_permute + +static void ggml_compute_forward_permute( + const struct ggml_compute_params * params, + const struct ggml_tensor * dst) { + // NOP + UNUSED(params); + UNUSED(dst); +} + +// ggml_compute_forward_transpose + +static void ggml_compute_forward_transpose( + const struct ggml_compute_params * params, + const struct ggml_tensor * dst) { + // NOP + UNUSED(params); + UNUSED(dst); +} + +// ggml_compute_forward_get_rows + +static void ggml_compute_forward_get_rows_q( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_TENSOR_BINARY_OP_LOCALS + + const int64_t nc = ne00; + const int64_t nr = ggml_nelements(src1); + + const enum ggml_type type = src0->type; + ggml_to_float_t const dequantize_row_q = type_traits[type].to_float; + + assert(ne0 == nc); + assert(ne02 == ne11); + assert(nb00 == ggml_type_size(type)); + assert(ggml_nrows(dst) == nr); + + const int ith = params->ith; + const int nth = params->nth; + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + for (int64_t i = ir0; i < ir1; ++i) { + const int64_t i12 = i/(ne11*ne10); + const int64_t i11 = (i - i12*ne11*ne10)/ne10; + const int64_t i10 = (i - i12*ne11*ne10 - i11*ne10); + const int64_t i01 = *(int32_t *) ((char *) src1->data + i10*nb10 + i11*nb11 + i12*nb12); + + assert(i01 >= 0 && i01 < ne01); + + dequantize_row_q( + (const void *) ((char *) src0->data + i01*nb01 + i11*nb02 + i12*nb03), + (float *) ((char *) dst->data + i10*nb1 + i11*nb2 + i12*nb3), nc); + } +} + +static void ggml_compute_forward_get_rows_f16( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_TENSOR_BINARY_OP_LOCALS + + const int64_t nc = ne00; + const int64_t nr = ggml_nelements(src1); + + assert(ne0 == nc); + assert(ne02 == ne11); + assert(nb00 == sizeof(ggml_fp16_t)); + assert(ggml_nrows(dst) == nr); + + const int ith = params->ith; + const int nth = params->nth; + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + for (int64_t i = ir0; i < ir1; ++i) { + const int64_t i12 = i/(ne11*ne10); + const int64_t i11 = (i - i12*ne11*ne10)/ne10; + const int64_t i10 = (i - i12*ne11*ne10 - i11*ne10); + const int64_t i01 = *(int32_t *) ((char *) src1->data + i10*nb10 + i11*nb11 + i12*nb12); + + assert(i01 >= 0 && i01 < ne01); + + ggml_fp16_to_fp32_row( + (const void *) ((char *) src0->data + i01*nb01 + i11*nb02 + i12*nb03), + (float *) ((char *) dst->data + i10*nb1 + i11*nb2 + i12*nb3), nc); + } +} + +static void ggml_compute_forward_get_rows_bf16( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_TENSOR_BINARY_OP_LOCALS + + const int64_t nc = ne00; + const int64_t nr = ggml_nelements(src1); + + assert(ne0 == nc); + assert(ne02 == ne11); + assert(nb00 == sizeof(ggml_bf16_t)); + assert(ggml_nrows(dst) == nr); + + const int ith = params->ith; + const int nth = params->nth; + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + for (int64_t i = ir0; i < ir1; ++i) { + const int64_t i12 = i/(ne11*ne10); + const int64_t i11 = (i - i12*ne11*ne10)/ne10; + const int64_t i10 = (i - i12*ne11*ne10 - i11*ne10); + const int64_t i01 = *(int32_t *) ((char *) src1->data + i10*nb10 + i11*nb11 + i12*nb12); + + assert(i01 >= 0 && i01 < ne01); + + ggml_bf16_to_fp32_row( + (const void *) ((char *) src0->data + i01*nb01 + i11*nb02 + i12*nb03), + (float *) ((char *) dst->data + i10*nb1 + i11*nb2 + i12*nb3), nc); + } +} + +static void ggml_compute_forward_get_rows_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_TENSOR_BINARY_OP_LOCALS + + const int64_t nc = ne00; + const int64_t nr = ggml_nelements(src1); + + assert(ne0 == nc); + assert(ne02 == ne11); + assert(nb00 == sizeof(float)); + assert(ggml_nrows(dst) == nr); + + const int ith = params->ith; + const int nth = params->nth; + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + for (int64_t i = ir0; i < ir1; ++i) { + const int64_t i12 = i/(ne11*ne10); + const int64_t i11 = (i - i12*ne11*ne10)/ne10; + const int64_t i10 = (i - i12*ne11*ne10 - i11*ne10); + const int64_t i01 = *(int32_t *) ((char *) src1->data + i10*nb10 + i11*nb11 + i12*nb12); + + assert(i01 >= 0 && i01 < ne01); + + ggml_vec_cpy_f32(nc, + (float *) ((char *) dst->data + i10*nb1 + i11*nb2 + i12*nb3), + (float *) ((char *) src0->data + i01*nb01 + i11*nb02 + i12*nb03)); + } +} + +static void ggml_compute_forward_get_rows( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_Q4_0: + case GGML_TYPE_Q4_1: + case GGML_TYPE_Q5_0: + case GGML_TYPE_Q5_1: + case GGML_TYPE_Q8_0: + case GGML_TYPE_Q8_1: + case GGML_TYPE_Q2_K: + case GGML_TYPE_Q3_K: + case GGML_TYPE_Q4_K: + case GGML_TYPE_Q5_K: + case GGML_TYPE_Q6_K: + case GGML_TYPE_IQ2_XXS: + case GGML_TYPE_IQ2_XS: + case GGML_TYPE_IQ3_XXS: + case GGML_TYPE_IQ1_S: + case GGML_TYPE_IQ1_M: + case GGML_TYPE_IQ1_BN: + case GGML_TYPE_IQ2_BN: + case GGML_TYPE_IQ4_NL: + case GGML_TYPE_IQ4_XS: + case GGML_TYPE_IQ3_S: + case GGML_TYPE_IQ2_S: + case GGML_TYPE_Q4_0_4_4: + case GGML_TYPE_Q4_0_4_8: + case GGML_TYPE_Q4_0_8_8: + { + ggml_compute_forward_get_rows_q(params, dst); + } break; + case GGML_TYPE_F16: + { + ggml_compute_forward_get_rows_f16(params, dst); + } break; + case GGML_TYPE_BF16: + { + ggml_compute_forward_get_rows_bf16(params, dst); + } break; + case GGML_TYPE_F32: + case GGML_TYPE_I32: + { + ggml_compute_forward_get_rows_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } + + //static bool first = true; + //printf("ne0 = %d, ne1 = %d, ne2 = %d\n", dst->ne[0], dst->ne[1], dst->ne[2]); + //if (first) { + // first = false; + //} else { + // for (int k = 0; k < dst->ne[1]; ++k) { + // for (int j = 0; j < dst->ne[0]/16; ++j) { + // for (int i = 0; i < 16; ++i) { + // printf("%8.4f ", ((float *) dst->data)[k*dst->ne[0] + j*16 + i]); + // } + // printf("\n"); + // } + // printf("\n"); + // } + // printf("\n"); + // exit(0); + //} +} + +// ggml_compute_forward_get_rows_back + +static void ggml_compute_forward_get_rows_back_f32_f16( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + if (params->ith != 0) { + return; + } + + GGML_ASSERT(ggml_is_contiguous(dst)); + + // ggml_compute_forward_dup_same_cont(params, opt0, dst); + + memset(dst->data, 0, ggml_nbytes(dst)); + + const int nc = src0->ne[0]; + const int nr = ggml_nelements(src1); + + GGML_ASSERT( dst->ne[0] == nc); + GGML_ASSERT(src0->nb[0] == sizeof(ggml_fp16_t)); + + for (int i = 0; i < nr; ++i) { + const int r = ((int32_t *) src1->data)[i]; + + for (int j = 0; j < nc; ++j) { + ggml_fp16_t v = ((ggml_fp16_t *) ((char *) src0->data + i*src0->nb[1]))[j]; + ((float *) ((char *) dst->data + r*dst->nb[1]))[j] += GGML_FP16_TO_FP32(v); + } + } +} + +static void ggml_compute_forward_get_rows_back_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + if (params->ith != 0) { + return; + } + + GGML_ASSERT(ggml_is_contiguous(dst)); + + // ggml_compute_forward_dup_same_cont(params, opt0, dst); + + memset(dst->data, 0, ggml_nbytes(dst)); + + const int nc = src0->ne[0]; + const int nr = ggml_nelements(src1); + + GGML_ASSERT( dst->ne[0] == nc); + GGML_ASSERT(src0->nb[0] == sizeof(float)); + + for (int i = 0; i < nr; ++i) { + const int r = ((int32_t *) src1->data)[i]; + + ggml_vec_add_f32(nc, + (float *) ((char *) dst->data + r*dst->nb[1]), + (float *) ((char *) dst->data + r*dst->nb[1]), + (float *) ((char *) src0->data + i*src0->nb[1])); + } +} + +static void ggml_compute_forward_get_rows_back( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F16: + { + ggml_compute_forward_get_rows_back_f32_f16(params, dst); + } break; + case GGML_TYPE_F32: + { + ggml_compute_forward_get_rows_back_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } + + //static bool first = true; + //printf("ne0 = %d, ne1 = %d, ne2 = %d\n", dst->ne[0], dst->ne[1], dst->ne[2]); + //if (first) { + // first = false; + //} else { + // for (int k = 0; k < dst->ne[1]; ++k) { + // for (int j = 0; j < dst->ne[0]/16; ++j) { + // for (int i = 0; i < 16; ++i) { + // printf("%8.4f ", ((float *) dst->data)[k*dst->ne[0] + j*16 + i]); + // } + // printf("\n"); + // } + // printf("\n"); + // } + // printf("\n"); + // exit(0); + //} +} + +// ggml_compute_forward_diag + +static void ggml_compute_forward_diag_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + // TODO: handle transposed/permuted matrices + + GGML_TENSOR_UNARY_OP_LOCALS + + GGML_ASSERT(ne00 == ne0); + GGML_ASSERT(ne00 == ne1); + GGML_ASSERT(ne01 == 1); + GGML_ASSERT(ne02 == ne2); + GGML_ASSERT(ne03 == ne3); + + GGML_ASSERT(nb00 == sizeof(float)); + GGML_ASSERT(nb0 == sizeof(float)); + + for (int i3 = 0; i3 < ne3; i3++) { + for (int i2 = 0; i2 < ne2; i2++) { + for (int i1 = 0; i1 < ne1; i1++) { + float * d = (float *)((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1); + float * s = (float *)((char *) src0->data + i3*nb03 + i2*nb02); + for (int i0 = 0; i0 < i1; i0++) { + d[i0] = 0; + } + d[i1] = s[i1]; + for (int i0 = i1+1; i0 < ne0; i0++) { + d[i0] = 0; + } + } + } + } +} + +static void ggml_compute_forward_diag( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_diag_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_diag_mask_inf + +static void ggml_compute_forward_diag_mask_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst, + const float value) { + + const struct ggml_tensor * src0 = dst->src[0]; + + const int ith = params->ith; + const int nth = params->nth; + + const int n_past = ((int32_t *) dst->op_params)[0]; + const bool inplace = src0->data == dst->data; + + GGML_ASSERT(n_past >= 0); + + if (!inplace) { + if (ith == 0) { + // memcpy needs to be synchronized across threads to avoid race conditions. + // => do it in INIT phase + GGML_ASSERT(ggml_nelements(dst) == ggml_nelements(src0)); + GGML_ASSERT(ggml_is_contiguous(dst) && ggml_is_contiguous(src0)); + memcpy( + ((char *) dst->data), + ((char *) src0->data), + ggml_nbytes(dst)); + } + ggml_barrier(params->shared); + } + + // TODO: handle transposed/permuted matrices + + const int n = ggml_nrows(src0); + const int nc = src0->ne[0]; + const int nr = src0->ne[1]; + const int nz = n/nr; + + GGML_ASSERT( dst->nb[0] == sizeof(float)); + GGML_ASSERT(src0->nb[0] == sizeof(float)); + + for (int k = 0; k < nz; k++) { + for (int j = ith; j < nr; j += nth) { + for (int i = n_past; i < nc; i++) { + if (i > n_past + j) { + *(float *)((char *) dst->data + k*dst->nb[2] + j*dst->nb[1] + i*dst->nb[0]) = value; + } + } + } + } +} + +static void ggml_compute_forward_diag_mask_inf( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_diag_mask_f32(params, dst, -INFINITY); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +static void ggml_compute_forward_diag_mask_zero( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_diag_mask_f32(params, dst, 0); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_soft_max + +static void ggml_compute_forward_soft_max_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + assert(ggml_is_contiguous(dst)); + assert(ggml_are_same_shape(src0, dst)); + + float scale = 1.0f; + float max_bias = 0.0f; + + memcpy(&scale, (float *) dst->op_params + 0, sizeof(float)); + memcpy(&max_bias, (float *) dst->op_params + 1, sizeof(float)); + + // TODO: handle transposed/permuted matrices + + const int ith = params->ith; + const int nth = params->nth; + + GGML_TENSOR_UNARY_OP_LOCALS + + //const int64_t ne11 = src1 ? src1->ne[1] : 1; + + // TODO: is this supposed to be ceil instead of floor? + // https://huggingface.co/mosaicml/mpt-7b/blob/main/attention.py#L370 + const uint32_t n_head = ne02; + const uint32_t n_head_log2 = 1u << (uint32_t) floor(log2(n_head)); + + const float m0 = powf(2.0f, -(max_bias ) / n_head_log2); + const float m1 = powf(2.0f, -(max_bias / 2.0f) / n_head_log2); + + const int nc = src0->ne[0]; + const int nr = ggml_nrows(src0); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + float * wp = (float *) params->wdata + (nc + CACHE_LINE_SIZE_F32) * ith; + + const bool use_f16 = (src1 && src1->type == GGML_TYPE_F16); + + for (int i1 = ir0; i1 < ir1; i1++) { + // ALiBi + const uint32_t h = (i1/ne01)%ne02; // head + const float slope = (max_bias > 0.0f) ? h < n_head_log2 ? powf(m0, h + 1) : powf(m1, 2*(h - n_head_log2) + 1) : 1.0f; + + float * sp = (float *)((char *) src0->data + i1*src0->nb[1]); + float * dp = (float *)((char *) dst->data + i1*dst->nb[1]); + + // broadcast the mask across rows + ggml_fp16_t * mp_f16 = src1 ? (ggml_fp16_t *)((char *) src1->data) + (i1%ne01)*ne00 : NULL; + float * mp_f32 = src1 ? (float *)((char *) src1->data) + (i1%ne01)*ne00 : NULL; + + ggml_vec_cpy_f32 (nc, wp, sp); + ggml_vec_scale_f32(nc, wp, scale); + if (mp_f32) { + if (use_f16) { + for (int i = 0; i < nc; ++i) { + wp[i] += slope*GGML_FP16_TO_FP32(mp_f16[i]); + } + } else { + for (int i = 0; i < nc; ++i) { + wp[i] += slope*mp_f32[i]; + } + } + } + +#ifndef NDEBUG + for (int i = 0; i < nc; ++i) { + //printf("p[%d] = %f\n", i, p[i]); + assert(!isnan(wp[i])); + } +#endif + + float max = -INFINITY; + ggml_vec_max_f32(nc, &max, wp); + + ggml_float sum = ggml_vec_soft_max_f32(nc, dp, wp, max); + assert(sum > 0.0); + + sum = 1.0/sum; + ggml_vec_scale_f32(nc, dp, sum); + +#ifndef NDEBUG + for (int i = 0; i < nc; ++i) { + assert(!isnan(dp[i])); + assert(!isinf(dp[i])); + } +#endif + } +} + +static void ggml_compute_forward_soft_max( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_soft_max_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + + +// ggml_compute_forward_soft_max_back + +static void ggml_compute_forward_soft_max_back_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(ggml_is_contiguous(src0)); + GGML_ASSERT(ggml_is_contiguous(src1)); + GGML_ASSERT(ggml_is_contiguous(dst)); + GGML_ASSERT(ggml_are_same_shape(src0, dst)); + GGML_ASSERT(ggml_are_same_shape(src1, dst)); + + // TODO: handle transposed/permuted matrices + + const int ith = params->ith; + const int nth = params->nth; + + const int nc = src0->ne[0]; + const int nr = ggml_nrows(src0); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + for (int i1 = ir0; i1 < ir1; i1++) { + float *dy = (float *)((char *) src0->data + i1*src0->nb[1]); + float *y = (float *)((char *) src1->data + i1*src1->nb[1]); + float *dx = (float *)((char *) dst->data + i1*dst->nb[1]); + +#ifndef NDEBUG + for (int i = 0; i < nc; ++i) { + //printf("p[%d] = %f\n", i, p[i]); + assert(!isnan(dy[i])); + assert(!isnan(y[i])); + } +#endif + // Jii = yi - yi*yi + // Jij = -yi*yj + // J = diag(y)-y.T*y + // dx = J * dy + // dxk = sum_i(Jki * dyi) + // dxk = sum_i(-yk*yi * dyi) - (-yk*yk)*dyk + (yk - yk*yk)*dyk + // dxk = sum_i(-yk*yi * dyi) + yk*yk*dyk + yk*dyk - yk*yk*dyk + // dxk = sum_i(-yk*yi * dyi) + yk*dyk + // dxk = -yk * sum_i(yi * dyi) + yk*dyk + // dxk = -yk * dot(y, dy) + yk*dyk + // dxk = yk * (- dot(y, dy) + dyk) + // dxk = yk * (dyk - dot(y, dy)) + // + // post-order: + // dot_y_dy := dot(y, dy) + // dx := dy + // dx := dx - dot_y_dy + // dx := dx * y + + // linear runtime, no additional memory + float dot_y_dy = 0; + ggml_vec_dot_f32 (nc, &dot_y_dy, 0, y, 0, dy, 0, 1); + ggml_vec_cpy_f32 (nc, dx, dy); + ggml_vec_acc1_f32(nc, dx, -dot_y_dy); + ggml_vec_mul_f32 (nc, dx, dx, y); + +#ifndef NDEBUG + for (int i = 0; i < nc; ++i) { + assert(!isnan(dx[i])); + assert(!isinf(dx[i])); + } +#endif + } +} + +static void ggml_compute_forward_soft_max_back( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_soft_max_back_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_clamp + +static void ggml_compute_forward_clamp_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + float min; + float max; + memcpy(&min, (float *) dst->op_params + 0, sizeof(float)); + memcpy(&max, (float *) dst->op_params + 1, sizeof(float)); + + const int ith = params->ith; + const int nth = params->nth; + + const int n = ggml_nrows(src0); + const int nc = src0->ne[0]; + + const size_t nb00 = src0->nb[0]; + const size_t nb01 = src0->nb[1]; + + const size_t nb0 = dst->nb[0]; + const size_t nb1 = dst->nb[1]; + + GGML_ASSERT( nb0 == sizeof(float)); + GGML_ASSERT(nb00 == sizeof(float)); + + for (int j = ith; j < n; j += nth) { + float * dst_ptr = (float *) ((char *) dst->data + j*nb1); + float * src0_ptr = (float *) ((char *) src0->data + j*nb01); + + for (int i = 0; i < nc; i++) { + dst_ptr[i] = MAX(MIN(src0_ptr[i], max), min); + } + } +} + +static void ggml_compute_forward_clamp( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_clamp_f32(params, dst); + } break; + case GGML_TYPE_F16: + case GGML_TYPE_BF16: + case GGML_TYPE_Q4_0: + case GGML_TYPE_Q4_1: + case GGML_TYPE_Q5_0: + case GGML_TYPE_Q5_1: + case GGML_TYPE_Q8_0: + case GGML_TYPE_Q8_1: + case GGML_TYPE_Q2_K: + case GGML_TYPE_Q3_K: + case GGML_TYPE_Q4_K: + case GGML_TYPE_Q5_K: + case GGML_TYPE_Q6_K: + case GGML_TYPE_IQ2_XXS: + case GGML_TYPE_IQ2_XS: + case GGML_TYPE_IQ3_XXS: + case GGML_TYPE_IQ1_S: + case GGML_TYPE_IQ1_M: + case GGML_TYPE_IQ1_BN: + case GGML_TYPE_IQ2_BN: + case GGML_TYPE_IQ4_NL: + case GGML_TYPE_IQ4_XS: + case GGML_TYPE_IQ3_S: + case GGML_TYPE_IQ2_S: + case GGML_TYPE_Q8_K: + case GGML_TYPE_Q8_K64: + case GGML_TYPE_Q4_0_4_4: + case GGML_TYPE_Q4_0_4_8: + case GGML_TYPE_Q4_0_8_8: + case GGML_TYPE_I8: + case GGML_TYPE_I16: + case GGML_TYPE_I32: + case GGML_TYPE_I64: + case GGML_TYPE_F64: + case GGML_TYPE_COUNT: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_rope + +static float rope_yarn_ramp(const float low, const float high, const int i0) { + const float y = (i0 / 2 - low) / MAX(0.001f, high - low); + return 1 - MIN(1, MAX(0, y)); +} + +// YaRN algorithm based on LlamaYaRNScaledRotaryEmbedding.py from https://github.com/jquesnelle/yarn +// MIT licensed. Copyright (c) 2023 Jeffrey Quesnelle and Bowen Peng. +static void rope_yarn( + float theta_extrap, float freq_scale, float corr_dims[2], int64_t i0, float ext_factor, float mscale, + float * cos_theta, float * sin_theta) { + // Get n-d rotational scaling corrected for extrapolation + float theta_interp = freq_scale * theta_extrap; + float theta = theta_interp; + if (ext_factor != 0.0f) { + float ramp_mix = rope_yarn_ramp(corr_dims[0], corr_dims[1], i0) * ext_factor; + theta = theta_interp * (1 - ramp_mix) + theta_extrap * ramp_mix; + + // Get n-d magnitude scaling corrected for interpolation + mscale *= 1.0f + 0.1f * logf(1.0f / freq_scale); + } + *cos_theta = cosf(theta) * mscale; + *sin_theta = sinf(theta) * mscale; +} + +// Apparently solving `n_rot = 2pi * x * base^((2 * max_pos_emb) / n_dims)` for x, we get +// `corr_dim(n_rot) = n_dims * log(max_pos_emb / (n_rot * 2pi)) / (2 * log(base))` +static float ggml_rope_yarn_corr_dim(int n_dims, int n_ctx_orig, float n_rot, float base) { + return n_dims * logf(n_ctx_orig / (n_rot * 2 * (float)M_PI)) / (2 * logf(base)); +} + +static void ggml_rope_cache_init( + float theta_base, float freq_scale, const float * freq_factors, float corr_dims[2], int64_t ne0, float ext_factor, float mscale, + float * cache, float sin_sign, float theta_scale) { + // ref: https://github.com/jquesnelle/yarn/blob/master/scaled_rope/LlamaYaRNScaledRotaryEmbedding.py + float theta = theta_base; + for (int64_t i0 = 0; i0 < ne0; i0 += 2) { + const float ff = freq_factors ? freq_factors[i0/2] : 1.0f; + rope_yarn( + theta/ff, freq_scale, corr_dims, i0, ext_factor, mscale, &cache[i0 + 0], &cache[i0 + 1] + ); + cache[i0 + 1] *= sin_sign; + + theta *= theta_scale; + } +} + +GGML_CALL void ggml_rope_yarn_corr_dims( + int n_dims, int n_ctx_orig, float freq_base, float beta_fast, float beta_slow, float dims[2] +) { + // start and end correction dims + float start = floorf(ggml_rope_yarn_corr_dim(n_dims, n_ctx_orig, beta_fast, freq_base)); + float end = ceilf(ggml_rope_yarn_corr_dim(n_dims, n_ctx_orig, beta_slow, freq_base)); + dims[0] = MAX(0, start); + dims[1] = MIN(n_dims - 1, end); +} + +static void ggml_compute_forward_rope_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst, + const bool forward) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + const struct ggml_tensor * src2 = dst->src[2]; + + float freq_base, freq_scale, ext_factor, attn_factor, beta_fast, beta_slow; + + //const int n_past = ((int32_t *) dst->op_params)[0]; + const int n_dims = ((int32_t *) dst->op_params)[1]; + const int mode = ((int32_t *) dst->op_params)[2]; + //const int n_ctx = ((int32_t *) dst->op_params)[3]; + const int n_ctx_orig = ((int32_t *) dst->op_params)[4]; + + memcpy(&freq_base, (int32_t *) dst->op_params + 5, sizeof(float)); + memcpy(&freq_scale, (int32_t *) dst->op_params + 6, sizeof(float)); + memcpy(&ext_factor, (int32_t *) dst->op_params + 7, sizeof(float)); + memcpy(&attn_factor, (int32_t *) dst->op_params + 8, sizeof(float)); + memcpy(&beta_fast, (int32_t *) dst->op_params + 9, sizeof(float)); + memcpy(&beta_slow, (int32_t *) dst->op_params + 10, sizeof(float)); + + GGML_TENSOR_UNARY_OP_LOCALS + + //printf("ne0: %d, ne1: %d, ne2: %d, ne3: %d\n", ne0, ne1, ne2, ne3); + //printf("n_past = %d, ne2 = %d\n", n_past, ne2); + + GGML_ASSERT(nb00 == sizeof(float)); + + const int ith = params->ith; + const int nth = params->nth; + + const int nr = ggml_nrows(dst); + + GGML_ASSERT(n_dims <= ne0); + GGML_ASSERT(n_dims % 2 == 0); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + // row index used to determine which thread to use + int ir = 0; + + const float theta_scale = powf(freq_base, -2.0f/n_dims); + + float corr_dims[2]; + ggml_rope_yarn_corr_dims(n_dims, n_ctx_orig, freq_base, beta_fast, beta_slow, corr_dims); + + const bool is_neox = mode & 2; + + const float * freq_factors = NULL; + if (src2 != NULL) { + GGML_ASSERT(src2->type == GGML_TYPE_F32); + GGML_ASSERT(src2->ne[0] >= n_dims / 2); + freq_factors = (const float *) src2->data; + } + + // backward process uses inverse rotation by cos and sin. + // cos and sin build a rotation matrix, where the inverse is the transpose. + // this essentially just switches the sign of sin. + const float sin_sign = forward ? 1.0f : -1.0f; + + const int32_t * pos = (const int32_t *) src1->data; + + for (int64_t i3 = 0; i3 < ne3; i3++) { + for (int64_t i2 = 0; i2 < ne2; i2++) { + const int64_t p = pos[i2]; + + float * cache = (float *) params->wdata + (ne0 + CACHE_LINE_SIZE_F32)*ith; + ggml_rope_cache_init(p, freq_scale, freq_factors, corr_dims, ne0, ext_factor, attn_factor, cache, sin_sign, theta_scale); + + for (int64_t i1 = 0; i1 < ne1; i1++) { + if (ir++ < ir0) continue; + if (ir > ir1) break; + + if (!is_neox) { + for (int64_t i0 = 0; i0 < n_dims; i0 += 2) { + const float cos_theta = cache[i0 + 0]; + const float sin_theta = cache[i0 + 1]; + + const float * const src = (float *)((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01 + i0*nb00); + float * dst_data = (float *)((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1 + i0*nb0); + + const float x0 = src[0]; + const float x1 = src[1]; + + dst_data[0] = x0*cos_theta - x1*sin_theta; + dst_data[1] = x0*sin_theta + x1*cos_theta; + } + } else { + for (int64_t i0 = 0; i0 < n_dims; i0 += 2) { + const int64_t ic = i0/2; + + const float cos_theta = cache[i0 + 0]; + const float sin_theta = cache[i0 + 1]; + + const float * const src = (float *)((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01 + ic*nb00); + float * dst_data = (float *)((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1 + ic*nb0); + + const float x0 = src[0]; + const float x1 = src[n_dims/2]; + + dst_data[0] = x0*cos_theta - x1*sin_theta; + dst_data[n_dims/2] = x0*sin_theta + x1*cos_theta; + } + } + + for (int64_t i0 = n_dims; i0 < ne0; i0 += 2) { + const float * const src = (float *)((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01 + i0*nb00); + float * dst_data = (float *)((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1 + i0*nb0); + + dst_data[0] = src[0]; + dst_data[1] = src[1]; + } + } + } + } +} + +// TODO: deduplicate f16/f32 code +static void ggml_compute_forward_rope_f16( + const struct ggml_compute_params * params, + struct ggml_tensor * dst, + const bool forward) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + const struct ggml_tensor * src2 = dst->src[2]; + + float freq_base, freq_scale, ext_factor, attn_factor, beta_fast, beta_slow; + + //const int n_past = ((int32_t *) dst->op_params)[0]; + const int n_dims = ((int32_t *) dst->op_params)[1]; + const int mode = ((int32_t *) dst->op_params)[2]; + //const int n_ctx = ((int32_t *) dst->op_params)[3]; + const int n_ctx_orig = ((int32_t *) dst->op_params)[4]; + memcpy(&freq_base, (int32_t *) dst->op_params + 5, sizeof(float)); + memcpy(&freq_scale, (int32_t *) dst->op_params + 6, sizeof(float)); + memcpy(&ext_factor, (int32_t *) dst->op_params + 7, sizeof(float)); + memcpy(&attn_factor, (int32_t *) dst->op_params + 8, sizeof(float)); + memcpy(&beta_fast, (int32_t *) dst->op_params + 9, sizeof(float)); + memcpy(&beta_slow, (int32_t *) dst->op_params + 10, sizeof(float)); + + GGML_TENSOR_UNARY_OP_LOCALS + + //printf("ne0: %d, ne1: %d, ne2: %d, ne3: %d\n", ne0, ne1, ne2, ne3); + //printf("n_past = %d, ne2 = %d\n", n_past, ne2); + + GGML_ASSERT(nb0 == sizeof(ggml_fp16_t)); + + const int ith = params->ith; + const int nth = params->nth; + + const int nr = ggml_nrows(dst); + + GGML_ASSERT(n_dims <= ne0); + GGML_ASSERT(n_dims % 2 == 0); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + // row index used to determine which thread to use + int ir = 0; + + const float theta_scale = powf(freq_base, -2.0f/n_dims); + + float corr_dims[2]; + ggml_rope_yarn_corr_dims(n_dims, n_ctx_orig, freq_base, beta_fast, beta_slow, corr_dims); + + const bool is_neox = mode & 2; + + const float * freq_factors = NULL; + if (src2 != NULL) { + GGML_ASSERT(src2->type == GGML_TYPE_F32); + GGML_ASSERT(src2->ne[0] >= n_dims / 2); + freq_factors = (const float *) src2->data; + } + + // backward process uses inverse rotation by cos and sin. + // cos and sin build a rotation matrix, where the inverse is the transpose. + // this essentially just switches the sign of sin. + const float sin_sign = forward ? 1.0f : -1.0f; + + const int32_t * pos = (const int32_t *) src1->data; + + for (int64_t i3 = 0; i3 < ne3; i3++) { + for (int64_t i2 = 0; i2 < ne2; i2++) { + const int64_t p = pos[i2]; + + float * cache = (float *) params->wdata + (ne0 + CACHE_LINE_SIZE_F32)*ith; + ggml_rope_cache_init(p, freq_scale, freq_factors, corr_dims, ne0, ext_factor, attn_factor, cache, sin_sign, theta_scale); + + for (int64_t i1 = 0; i1 < ne1; i1++) { + if (ir++ < ir0) continue; + if (ir > ir1) break; + + if (!is_neox) { + for (int64_t i0 = 0; i0 < n_dims; i0 += 2) { + const float cos_theta = cache[i0 + 0]; + const float sin_theta = cache[i0 + 1]; + + const ggml_fp16_t * const src = (ggml_fp16_t *)((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01 + i0*nb00); + ggml_fp16_t * dst_data = (ggml_fp16_t *)((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1 + i0*nb0); + + const float x0 = GGML_FP16_TO_FP32(src[0]); + const float x1 = GGML_FP16_TO_FP32(src[1]); + + dst_data[0] = GGML_FP32_TO_FP16(x0*cos_theta - x1*sin_theta); + dst_data[1] = GGML_FP32_TO_FP16(x0*sin_theta + x1*cos_theta); + } + } else { + for (int64_t i0 = 0; i0 < n_dims; i0 += 2) { + const int64_t ic = i0/2; + + const float cos_theta = cache[i0 + 0]; + const float sin_theta = cache[i0 + 1]; + + const ggml_fp16_t * const src = (ggml_fp16_t *)((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01 + ic*nb00); + ggml_fp16_t * dst_data = (ggml_fp16_t *)((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1 + ic*nb0); + + const float x0 = GGML_FP16_TO_FP32(src[0]); + const float x1 = GGML_FP16_TO_FP32(src[n_dims/2]); + + dst_data[0] = GGML_FP32_TO_FP16(x0*cos_theta - x1*sin_theta); + dst_data[n_dims/2] = GGML_FP32_TO_FP16(x0*sin_theta + x1*cos_theta); + } + } + + for (int64_t i0 = n_dims; i0 < ne0; i0 += 2) { + const ggml_fp16_t * const src = (ggml_fp16_t *)((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01 + i0*nb00); + ggml_fp16_t * dst_data = (ggml_fp16_t *)((char *) dst->data + i3*nb3 + i2*nb2 + i1*nb1 + i0*nb0); + + dst_data[0] = src[0]; + dst_data[1] = src[1]; + } + } + } + } +} + +static void ggml_compute_forward_rope( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F16: + { + ggml_compute_forward_rope_f16(params, dst, true); + } break; + case GGML_TYPE_F32: + { + ggml_compute_forward_rope_f32(params, dst, true); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_rope_back + +static void ggml_compute_forward_rope_back( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F16: + { + ggml_compute_forward_rope_f16(params, dst, false); + } break; + case GGML_TYPE_F32: + { + ggml_compute_forward_rope_f32(params, dst, false); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_conv_transpose_1d + +static void ggml_compute_forward_conv_transpose_1d_f16_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(src0->type == GGML_TYPE_F16); + GGML_ASSERT(src1->type == GGML_TYPE_F32); + GGML_ASSERT( dst->type == GGML_TYPE_F32); + + GGML_TENSOR_BINARY_OP_LOCALS + + const int ith = params->ith; + const int nth = params->nth; + + const int nk = ne00*ne01*ne02; + + GGML_ASSERT(nb00 == sizeof(ggml_fp16_t)); + GGML_ASSERT(nb10 == sizeof(float)); + + if (ith == 0) { + memset(params->wdata, 0, params->wsize); + + // permute kernel data (src0) from (K x Cout x Cin) to (Cin x K x Cout) + { + ggml_fp16_t * const wdata = (ggml_fp16_t *) params->wdata + 0; + + for (int64_t i02 = 0; i02 < ne02; i02++) { + for (int64_t i01 = 0; i01 < ne01; i01++) { + const ggml_fp16_t * const src = (ggml_fp16_t *)((char *) src0->data + i02*nb02 + i01*nb01); + ggml_fp16_t * dst_data = wdata + i01*ne00*ne02; + for (int64_t i00 = 0; i00 < ne00; i00++) { + dst_data[i00*ne02 + i02] = src[i00]; + } + } + } + } + + // permute source data (src1) from (L x Cin) to (Cin x L) + { + ggml_fp16_t * const wdata = (ggml_fp16_t *) params->wdata + nk; + ggml_fp16_t * dst_data = wdata; + + for (int64_t i11 = 0; i11 < ne11; i11++) { + const float * const src = (float *)((char *) src1->data + i11*nb11); + for (int64_t i10 = 0; i10 < ne10; i10++) { + dst_data[i10*ne11 + i11] = GGML_FP32_TO_FP16(src[i10]); + } + } + } + + // need to zero dst since we are accumulating into it + memset(dst->data, 0, ggml_nbytes(dst)); + } + ggml_barrier(params->shared); + + const int32_t s0 = ((const int32_t*)(dst->op_params))[0]; + + // total rows in dst + const int nr = ne1; + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + ggml_fp16_t * const wdata = (ggml_fp16_t *) params->wdata + 0; + ggml_fp16_t * const wdata_src = wdata + nk; + + for (int i1 = ir0; i1 < ir1; i1++) { + float * dst_data = (float *)((char *) dst->data + i1*nb1); + ggml_fp16_t * wdata_kernel = wdata + i1*ne02*ne00; + for (int i10 = 0; i10 < ne10; i10++) { + const int i1n = i10*ne11; + for (int i00 = 0; i00 < ne00; i00++) { + float v = 0; + ggml_vec_dot_f16(ne02, &v, 0, + (ggml_fp16_t *) wdata_src + i1n, 0, + (ggml_fp16_t *) wdata_kernel + i00*ne02, 0, 1); + dst_data[i10*s0 + i00] += v; + } + } + } +} + +static void ggml_compute_forward_conv_transpose_1d_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(src0->type == GGML_TYPE_F32); + GGML_ASSERT(src1->type == GGML_TYPE_F32); + GGML_ASSERT( dst->type == GGML_TYPE_F32); + + GGML_TENSOR_BINARY_OP_LOCALS + + const int ith = params->ith; + const int nth = params->nth; + + const int nk = ne00*ne01*ne02; + + GGML_ASSERT(nb00 == sizeof(float)); + GGML_ASSERT(nb10 == sizeof(float)); + + if (ith == 0) { + memset(params->wdata, 0, params->wsize); + + // prepare kernel data (src0) from (K x Cout x Cin) to (Cin x K x Cout) + { + float * const wdata = (float *) params->wdata + 0; + + for (int64_t i02 = 0; i02 < ne02; i02++) { + for (int64_t i01 = 0; i01 < ne01; i01++) { + const float * const src = (float *)((char *) src0->data + i02*nb02 + i01*nb01); + float * dst_data = wdata + i01*ne00*ne02; + for (int64_t i00 = 0; i00 < ne00; i00++) { + dst_data[i00*ne02 + i02] = src[i00]; + } + } + } + } + + // prepare source data (src1) + { + float * const wdata = (float *) params->wdata + nk; + float * dst_data = wdata; + + for (int64_t i11 = 0; i11 < ne11; i11++) { + const float * const src = (float *)((char *) src1->data + i11*nb11); + for (int64_t i10 = 0; i10 < ne10; i10++) { + dst_data[i10*ne11 + i11] = src[i10]; + } + } + } + + // need to zero dst since we are accumulating into it + memset(dst->data, 0, ggml_nbytes(dst)); + } + ggml_barrier(params->shared); + + const int32_t s0 = ((const int32_t*)(dst->op_params))[0]; + + // total rows in dst + const int nr = ne1; + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + float * const wdata = (float *) params->wdata + 0; + float * const wdata_src = wdata + nk; + + for (int i1 = ir0; i1 < ir1; i1++) { + float * dst_data = (float *)((char *) dst->data + i1*nb1); + float * wdata_kernel = wdata + i1*ne02*ne00; + for (int i10 = 0; i10 < ne10; i10++) { + const int i1n = i10*ne11; + for (int i00 = 0; i00 < ne00; i00++) { + float v = 0; + ggml_vec_dot_f32(ne02, &v, 0, + wdata_src + i1n, 0, + wdata_kernel + i00*ne02, 0, 1); + dst_data[i10*s0 + i00] += v; + } + } + } +} + +static void ggml_compute_forward_conv_transpose_1d( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F16: + { + ggml_compute_forward_conv_transpose_1d_f16_f32(params, dst); + } break; + case GGML_TYPE_F32: + { + ggml_compute_forward_conv_transpose_1d_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// src0: kernel [OC, IC, KH, KW] +// src1: image [N, IC, IH, IW] +// dst: result [N, OH, OW, IC*KH*KW] +static void ggml_compute_forward_im2col_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(src0->type == GGML_TYPE_F16); + GGML_ASSERT(src1->type == GGML_TYPE_F32); + GGML_ASSERT( dst->type == GGML_TYPE_F32); + + GGML_TENSOR_BINARY_OP_LOCALS; + + const int32_t s0 = ((const int32_t *)(dst->op_params))[0]; + const int32_t s1 = ((const int32_t *)(dst->op_params))[1]; + const int32_t p0 = ((const int32_t *)(dst->op_params))[2]; + const int32_t p1 = ((const int32_t *)(dst->op_params))[3]; + const int32_t d0 = ((const int32_t *)(dst->op_params))[4]; + const int32_t d1 = ((const int32_t *)(dst->op_params))[5]; + const bool is_2D = ((const int32_t *)(dst->op_params))[6] == 1; + + const int ith = params->ith; + const int nth = params->nth; + + const int64_t N = is_2D ? ne13 : ne12; + const int64_t IC = is_2D ? ne12 : ne11; + const int64_t IH = is_2D ? ne11 : 1; + const int64_t IW = ne10; + + const int64_t KH = is_2D ? ne01 : 1; + const int64_t KW = ne00; + + const int64_t OH = is_2D ? ne2 : 1; + const int64_t OW = ne1; + + int ofs0 = is_2D ? nb13 : nb12; + int ofs1 = is_2D ? nb12 : nb11; + + GGML_ASSERT(nb00 == sizeof(ggml_fp16_t)); + GGML_ASSERT(nb10 == sizeof(float)); + + // im2col: [N, IC, IH, IW] => [N, OH, OW, IC*KH*KW] + { + float * const wdata = (float *) dst->data; + + for (int64_t in = 0; in < N; in++) { + for (int64_t ioh = 0; ioh < OH; ioh++) { // 1 + for (int64_t iow = 0; iow < OW; iow++) { + for (int64_t iic = ith; iic < IC; iic += nth) { + + // micro kernel + float * dst_data = wdata + (in*OH*OW + ioh*OW + iow)*(IC*KH*KW); // [IC, KH, KW] + const float * const src_data = (float *)((char *) src1->data + in*ofs0 + iic*ofs1); // [IH, IW] + + for (int64_t ikh = 0; ikh < KH; ikh++) { // 1 + for (int64_t ikw = 0; ikw < KW; ikw++) { + const int64_t iiw = iow*s0 + ikw*d0 - p0; + const int64_t iih = ioh*s1 + ikh*d1 - p1; + + if (iih < 0 || iih >= IH || iiw < 0 || iiw >= IW) { + dst_data[iic*(KH*KW) + ikh*KW + ikw] = 0; + } else { + dst_data[iic*(KH*KW) + ikh*KW + ikw] = (src_data[iih*IW + iiw]); + } + } + } + } + } + } + } + } +} + + +// src0: kernel [OC, IC, KH, KW] +// src1: image [N, IC, IH, IW] +// dst: result [N, OH, OW, IC*KH*KW] +static void ggml_compute_forward_im2col_f16( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(src0->type == GGML_TYPE_F16); + GGML_ASSERT(src1->type == GGML_TYPE_F32); + GGML_ASSERT( dst->type == GGML_TYPE_F16); + + GGML_TENSOR_BINARY_OP_LOCALS; + + const int32_t s0 = ((const int32_t *)(dst->op_params))[0]; + const int32_t s1 = ((const int32_t *)(dst->op_params))[1]; + const int32_t p0 = ((const int32_t *)(dst->op_params))[2]; + const int32_t p1 = ((const int32_t *)(dst->op_params))[3]; + const int32_t d0 = ((const int32_t *)(dst->op_params))[4]; + const int32_t d1 = ((const int32_t *)(dst->op_params))[5]; + const bool is_2D = ((const int32_t *)(dst->op_params))[6] == 1; + + const int ith = params->ith; + const int nth = params->nth; + + const int64_t N = is_2D ? ne13 : ne12; + const int64_t IC = is_2D ? ne12 : ne11; + const int64_t IH = is_2D ? ne11 : 1; + const int64_t IW = ne10; + + const int64_t KH = is_2D ? ne01 : 1; + const int64_t KW = ne00; + + const int64_t OH = is_2D ? ne2 : 1; + const int64_t OW = ne1; + + int ofs0 = is_2D ? nb13 : nb12; + int ofs1 = is_2D ? nb12 : nb11; + + GGML_ASSERT(nb00 == sizeof(ggml_fp16_t)); + GGML_ASSERT(nb10 == sizeof(float)); + + // im2col: [N, IC, IH, IW] => [N, OH, OW, IC*KH*KW] + { + ggml_fp16_t * const wdata = (ggml_fp16_t *) dst->data; + + for (int64_t in = 0; in < N; in++) { + for (int64_t ioh = 0; ioh < OH; ioh++) { // 1 + for (int64_t iow = 0; iow < OW; iow++) { + for (int64_t iic = ith; iic < IC; iic += nth) { + + // micro kernel + ggml_fp16_t * dst_data = wdata + (in*OH*OW + ioh*OW + iow)*(IC*KH*KW); // [IC, KH, KW] + const float * const src_data = (float *)((char *) src1->data + in*ofs0 + iic*ofs1); // [IH, IW] + + for (int64_t ikh = 0; ikh < KH; ikh++) { // 1 + for (int64_t ikw = 0; ikw < KW; ikw++) { + const int64_t iiw = iow*s0 + ikw*d0 - p0; + const int64_t iih = ioh*s1 + ikh*d1 - p1; + + if (iih < 0 || iih >= IH || iiw < 0 || iiw >= IW) { + dst_data[iic*(KH*KW) + ikh*KW + ikw] = 0; + } else { + dst_data[iic*(KH*KW) + ikh*KW + ikw] = GGML_FP32_TO_FP16(src_data[iih*IW + iiw]); + } + } + } + } + } + } + } + } +} + +static void ggml_compute_forward_im2col( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + switch (dst->type) { + case GGML_TYPE_F16: + { + ggml_compute_forward_im2col_f16(params, dst); + } break; + case GGML_TYPE_F32: + { + ggml_compute_forward_im2col_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + + +// ggml_compute_forward_conv_transpose_2d + +static void ggml_compute_forward_conv_transpose_2d( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(src0->type == GGML_TYPE_F16); + GGML_ASSERT(src1->type == GGML_TYPE_F32); + GGML_ASSERT( dst->type == GGML_TYPE_F32); + + GGML_TENSOR_BINARY_OP_LOCALS + + const int ith = params->ith; + const int nth = params->nth; + + const int nk = ne00*ne01*ne02*ne03; + + GGML_ASSERT(nb00 == sizeof(ggml_fp16_t)); + GGML_ASSERT(nb10 == sizeof(float)); + + if (ith == 0) { + memset(params->wdata, 0, params->wsize); + + // permute kernel data (src0) from (Kw x Kh x Cout x Cin) to (Cin x Kw x Kh x Cout) + { + ggml_fp16_t * const wdata = (ggml_fp16_t *) params->wdata + 0; + + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + const ggml_fp16_t * const src = (ggml_fp16_t *)((char *) src0->data + i03*nb03 + i02*nb02); + ggml_fp16_t * dst_data = wdata + i02*ne01*ne00*ne03; + for (int64_t i01 = 0; i01 < ne01; i01++) { + for (int64_t i00 = 0; i00 < ne00; i00++) { + dst_data[i01*ne00*ne03 + i00*ne03 + i03] = src[i01 * ne00 + i00]; + } + } + } + } + } + + // permute source data (src1) from (Sw x Sh x Cin) to (Cin x Sw x Sh) + { + ggml_fp16_t * const wdata = (ggml_fp16_t *) params->wdata + nk; + for (int i12 = 0; i12 < ne12; i12++) { + for (int i11 = 0; i11 < ne11; i11++) { + const float * const src = (float *)((char *) src1->data + i12*nb12 + i11*nb11); + ggml_fp16_t * dst_data = wdata + i11*ne10*ne12; + for (int i10 = 0; i10 < ne10; i10++) { + dst_data[i10*ne12 + i12] = GGML_FP32_TO_FP16(src[i10]); + } + } + } + } + + memset(dst->data, 0, ggml_nbytes(dst)); + } + ggml_barrier(params->shared); + + const int32_t stride = ggml_get_op_params_i32(dst, 0); + + // total patches in dst + const int np = ne2; + + // patches per thread + const int dp = (np + nth - 1)/nth; + + // patch range for this thread + const int ip0 = dp*ith; + const int ip1 = MIN(ip0 + dp, np); + + ggml_fp16_t * const wdata = (ggml_fp16_t *) params->wdata + 0; + ggml_fp16_t * const wdata_src = wdata + nk; + + for (int i2 = ip0; i2 < ip1; i2++) { // Cout + float * dst_data = (float *)((char *) dst->data + i2*nb2); + ggml_fp16_t * wdata_kernel = wdata + i2*ne01*ne00*ne03; + for (int i11 = 0; i11 < ne11; i11++) { + for (int i10 = 0; i10 < ne10; i10++) { + const int i1n = i11*ne10*ne12 + i10*ne12; + for (int i01 = 0; i01 < ne01; i01++) { + for (int i00 = 0; i00 < ne00; i00++) { + float v = 0; + ggml_vec_dot_f16(ne03, &v, 0, + wdata_src + i1n, 0, + wdata_kernel + i01*ne00*ne03 + i00*ne03, 0, 1); + dst_data[(i11*stride + i01)*ne0 + i10*stride + i00] += v; + } + } + } + } + } +} + +// ggml_compute_forward_pool_1d_sk_p0 + +static void ggml_compute_forward_pool_1d_sk_p0( + const struct ggml_compute_params * params, + const enum ggml_op_pool op, + const int k, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src = dst->src[0]; + + assert(src->type == GGML_TYPE_F32); + + if (params->ith != 0) { + return; + } + + const char * cdata = (const char *)src->data; + const char * const data_end = cdata + ggml_nbytes(src); + float * drow = (float *)dst->data; + + const int64_t rs = dst->ne[0]; + + while (cdata < data_end) { + const float * const srow = (const float *)cdata; + + int j = 0; + + for (int64_t i = 0; i < rs; ++i) { + switch (op) { + case GGML_OP_POOL_AVG: drow[i] = 0; break; + case GGML_OP_POOL_MAX: drow[i] = -FLT_MAX; break; + case GGML_OP_POOL_COUNT: GGML_ASSERT(false); break; + } + for (int ki = 0; ki < k; ++ki) { + switch (op) { + case GGML_OP_POOL_AVG: drow[i] += srow[j]; break; + case GGML_OP_POOL_MAX: if (srow[j] > drow[i]) drow[i] = srow[j]; break; + case GGML_OP_POOL_COUNT: GGML_ASSERT(false); break; + } + ++j; + } + switch (op) { + case GGML_OP_POOL_AVG: drow[i] /= k; break; + case GGML_OP_POOL_MAX: break; + case GGML_OP_POOL_COUNT: GGML_ASSERT(false); break; + } + } + + cdata += src->nb[1]; + drow += rs; + } +} + +// ggml_compute_forward_pool_1d + +static void ggml_compute_forward_pool_1d( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const int32_t * opts = (const int32_t *)dst->op_params; + enum ggml_op_pool op = opts[0]; + const int k0 = opts[1]; + const int s0 = opts[2]; + const int p0 = opts[3]; + GGML_ASSERT(p0 == 0); // padding not supported + GGML_ASSERT(k0 == s0); // only s = k supported + + ggml_compute_forward_pool_1d_sk_p0(params, op, k0, dst); +} + +// ggml_compute_forward_pool_2d + +static void ggml_compute_forward_pool_2d( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src = dst->src[0]; + + GGML_ASSERT(src->type == GGML_TYPE_F32); + + if (params->ith != 0) { + return; + } + + const int32_t * opts = (const int32_t *)dst->op_params; + enum ggml_op_pool op = opts[0]; + const int k0 = opts[1]; + const int k1 = opts[2]; + const int s0 = opts[3]; + const int s1 = opts[4]; + const int p0 = opts[5]; + const int p1 = opts[6]; + const char * cdata = (const char*)src->data; + const char * const data_end = cdata + ggml_nbytes(src); + + const int64_t px = dst->ne[0]; + const int64_t py = dst->ne[1]; + const int64_t pa = px * py; + + float * dplane = (float *)dst->data; + + const int ka = k0 * k1; + const int offset0 = -p0; + const int offset1 = -p1; + + while (cdata < data_end) { + for (int oy = 0; oy < py; ++oy) { + float * const drow = dplane + oy * px; + for (int ox = 0; ox < px; ++ox) { + float * const out = drow + ox; + switch (op) { + case GGML_OP_POOL_AVG: *out = 0; break; + case GGML_OP_POOL_MAX: *out = -FLT_MAX; break; + case GGML_OP_POOL_COUNT: GGML_ASSERT(false); break; + } + + const int ix = offset0 + ox * s0; + const int iy = offset1 + oy * s1; + + for (int ky = 0; ky < k1; ++ky) { + if (iy + ky < 0 || iy + ky >= src->ne[1]) continue; + const float * const srow = (const float *)(cdata + src->nb[1] * (iy + ky)); + for (int kx = 0; kx < k0; ++kx) { + int j = ix + kx; + if (j < 0 || j >= src->ne[0]) continue; + switch (op) { + case GGML_OP_POOL_AVG: *out += srow[j]; break; + case GGML_OP_POOL_MAX: if (srow[j] > *out) *out = srow[j]; break; + case GGML_OP_POOL_COUNT: GGML_ASSERT(false); break; + } + } + } + switch (op) { + case GGML_OP_POOL_AVG: *out /= ka; break; + case GGML_OP_POOL_MAX: break; + case GGML_OP_POOL_COUNT: GGML_ASSERT(false); break; + } + } + } + + cdata += src->nb[2]; + dplane += pa; + } +} + +// ggml_compute_forward_upscale + +static void ggml_compute_forward_upscale_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + GGML_ASSERT(src0->type == GGML_TYPE_F32); + + const int ith = params->ith; + const int nth = params->nth; + + GGML_TENSOR_UNARY_OP_LOCALS + + const float sf0 = (float)ne0/src0->ne[0]; + const float sf1 = (float)ne1/src0->ne[1]; + const float sf2 = (float)ne2/src0->ne[2]; + const float sf3 = (float)ne3/src0->ne[3]; + + // TODO: optimize + + for (int64_t i3 = 0; i3 < ne3; i3++) { + const int64_t i03 = i3 / sf3; + for (int64_t i2 = ith; i2 < ne2; i2 += nth) { + const int64_t i02 = i2 / sf2; + for (int64_t i1 = 0; i1 < ne1; i1++) { + const int64_t i01 = i1 / sf1; + for (int64_t i0 = 0; i0 < ne0; i0++) { + const int64_t i00 = i0 / sf0; + + const float * x = (float *)((char *) src0->data + i00*nb00 + i01*nb01 + i02*nb02 + i03*nb03); + float * y = (float *)((char *) dst->data + i0*nb0 + i1*nb1 + i2*nb2 + i3*nb3); + + *y = *x; + } + } + } + } +} + +static void ggml_compute_forward_upscale( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_upscale_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + + +// ggml_compute_forward_pad + +static void ggml_compute_forward_pad_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + GGML_ASSERT(src0->nb[0] == sizeof(float)); + GGML_ASSERT( dst->nb[0] == sizeof(float)); + + const int ith = params->ith; + const int nth = params->nth; + + GGML_TENSOR_UNARY_OP_LOCALS + + float * dst_ptr = (float *) dst->data; + + // TODO: optimize + + for (int64_t i2 = 0; i2 < ne2; ++i2) { + for (int64_t i1 = ith; i1 < ne1; i1 += nth) { + for (int64_t i0 = 0; i0 < ne0; ++i0) { + for (int64_t i3 = 0; i3 < ne3; ++i3) { + const int64_t dst_idx = i3*(ne0*ne1*ne2) + i2*(ne0*ne1) + i1*ne0 + i0; + + const float * src_ptr = (const float *)((char *) src0->data + i3*nb03 + i2*nb02 + i1*nb01 + i0*nb00); + + if (i0 < ne00 && i1 < ne01 && i2 < ne02 && i3 < ne03) { + dst_ptr[dst_idx] = *src_ptr; + } else { + dst_ptr[dst_idx] = 0; + } + } + } + } + } +} + +static void ggml_compute_forward_pad( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_pad_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + + +// ggml_compute_forward_arange + +static void ggml_compute_forward_arange_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + GGML_ASSERT(dst->nb[0] == sizeof(float)); + + const int ith = params->ith; + const int nth = params->nth; + + const float start = ggml_get_op_params_f32(dst, 0); + const float stop = ggml_get_op_params_f32(dst, 1); + const float step = ggml_get_op_params_f32(dst, 2); + + const int64_t steps = (int64_t) ceilf((stop - start) / step); + + GGML_ASSERT(ggml_nelements(dst) == steps); + + for (int64_t i = ith; i < steps; i+= nth) { + float value = start + step * i; + ((float *)dst->data)[i] = value; + } +} + +static void ggml_compute_forward_arange( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + switch (dst->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_arange_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +static void ggml_compute_forward_timestep_embedding_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + GGML_ASSERT(src0->nb[0] == sizeof(float)); + + const int ith = params->ith; + const int nth = params->nth; + + GGML_TENSOR_UNARY_OP_LOCALS + + const int dim = ggml_get_op_params_i32(dst, 0); + const int max_period = ggml_get_op_params_i32(dst, 1); + + int half = dim / 2; + + for (int64_t i = 0; i < ne00; i++) { + float * embed_data = (float *)((char *) dst->data + i*nb1); + for (int64_t j = ith; j < half; j += nth) { + float timestep = ((float *)src0->data)[i]; + float freq = (float)expf(-logf(max_period) * j / half); + float arg = timestep * freq; + embed_data[j] = cosf(arg); + embed_data[j + half] = sinf(arg); + } + if (dim % 2 != 0 && ith == 0) { + embed_data[dim] = 0.f; + } + } +} + +static void ggml_compute_forward_timestep_embedding( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_timestep_embedding_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_argsort + +static void ggml_compute_forward_argsort_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + GGML_TENSOR_UNARY_OP_LOCALS + + GGML_ASSERT(nb0 == sizeof(float)); + + const int ith = params->ith; + const int nth = params->nth; + + const int64_t nr = ggml_nrows(src0); + + enum ggml_sort_order order = (enum ggml_sort_order) ggml_get_op_params_i32(dst, 0); + + for (int64_t i = ith; i < nr; i += nth) { + int32_t * dst_data = (int32_t *)((char *) dst->data + i*nb1); + const float * src_data = (float *)((char *) src0->data + i*nb01); + + for (int64_t j = 0; j < ne0; j++) { + dst_data[j] = j; + } + + // C doesn't have a functional sort, so we do a bubble sort instead + for (int64_t j = 0; j < ne0; j++) { + for (int64_t k = j + 1; k < ne0; k++) { + if ((order == GGML_SORT_ORDER_ASC && src_data[dst_data[j]] > src_data[dst_data[k]]) || + (order == GGML_SORT_ORDER_DESC && src_data[dst_data[j]] < src_data[dst_data[k]])) { + int32_t tmp = dst_data[j]; + dst_data[j] = dst_data[k]; + dst_data[k] = tmp; + } + } + } + } +} + +static void ggml_compute_forward_argsort( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_argsort_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_flash_attn_ext + +static void ggml_compute_forward_flash_attn_ext_f16( + const struct ggml_compute_params * params, + const struct ggml_tensor * q, + const struct ggml_tensor * k, + const struct ggml_tensor * v, + const struct ggml_tensor * mask, + struct ggml_tensor * dst) { + + GGML_TENSOR_LOCALS(int64_t, neq, q, ne) + GGML_TENSOR_LOCALS(size_t, nbq, q, nb) + GGML_TENSOR_LOCALS(int64_t, nek, k, ne) + GGML_TENSOR_LOCALS(size_t, nbk, k, nb) + GGML_TENSOR_LOCALS(int64_t, nev, v, ne) + GGML_TENSOR_LOCALS(size_t, nbv, v, nb) + GGML_TENSOR_LOCALS(int64_t, ne, dst, ne) + GGML_TENSOR_LOCALS(size_t, nb, dst, nb) + + const int ith = params->ith; + const int nth = params->nth; + + const int64_t D = neq0; + const int64_t N = neq1; + + GGML_ASSERT(ne0 == D); + GGML_ASSERT(ne2 == N); + + // input tensor rows must be contiguous + GGML_ASSERT(nbq0 == ggml_type_size(q->type)); + GGML_ASSERT(nbk0 == ggml_type_size(k->type)); + GGML_ASSERT(nbv0 == ggml_type_size(v->type)); + + GGML_ASSERT(neq0 == D); + GGML_ASSERT(nek0 == D); + GGML_ASSERT(nev0 == D); + + GGML_ASSERT(neq1 == N); + GGML_ASSERT(nev0 == D); + + // dst cannot be transposed or permuted + GGML_ASSERT(nb0 == sizeof(float)); + GGML_ASSERT(nb0 <= nb1); + GGML_ASSERT(nb1 <= nb2); + GGML_ASSERT(nb2 <= nb3); + + // broadcast factors + const int64_t rk2 = neq2/nek2; + const int64_t rk3 = neq3/nek3; + + const int64_t rv2 = neq2/nev2; + const int64_t rv3 = neq3/nev3; + + // parallelize by q rows using ggml_vec_dot_f32 + + // total rows in q + const int nr = neq1*neq2*neq3; + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + float scale = 1.0f; + float max_bias = 0.0f; + + memcpy(&scale, (float *) dst->op_params + 0, sizeof(float)); + memcpy(&max_bias, (float *) dst->op_params + 1, sizeof(float)); + + const uint32_t n_head = neq2; + const uint32_t n_head_log2 = 1u << (uint32_t) floor(log2(n_head)); + + const float m0 = powf(2.0f, -(max_bias ) / n_head_log2); + const float m1 = powf(2.0f, -(max_bias / 2.0f) / n_head_log2); + + enum ggml_type const k_vec_dot_type = type_traits[k->type].vec_dot_type; + ggml_from_float_t const q_to_vec_dot = type_traits[k_vec_dot_type].from_float; + ggml_vec_dot_t const kq_vec_dot = type_traits[k->type].vec_dot; + ggml_to_float_t const v_to_float = type_traits[v->type].to_float; + + // loop over n_batch and n_head + for (int ir = ir0; ir < ir1; ++ir) { + // q indices + const int iq3 = ir/(neq2*neq1); + const int iq2 = (ir - iq3*neq2*neq1)/neq1; + const int iq1 = (ir - iq3*neq2*neq1 - iq2*neq1); + + const uint32_t h = iq2; // head index + const float slope = (max_bias > 0.0f) ? h < n_head_log2 ? powf(m0, h + 1) : powf(m1, 2*(h - n_head_log2) + 1) : 1.0f; + + float S = 0.0f; // sum + float M = -INFINITY; // maximum KQ value + + float * VKQ32 = (float *) params->wdata + ith*(3*D + CACHE_LINE_SIZE_F32); // FP32 VKQ accumulator + float * V32 = (VKQ32 + 1*D); // (temporary) FP32 V buffer + ggml_fp16_t * VKQ16 = (ggml_fp16_t *) (VKQ32 + 1*D); // (temporary) FP16 VKQ accumulator + ggml_fp16_t * Q_q = (ggml_fp16_t *) (VKQ32 + 2*D); // (temporary) buffer for Q converted to quantized/FP16 + + if (v->type == GGML_TYPE_F16) { + memset(VKQ16, 0, D*sizeof(ggml_fp16_t)); + } else { + memset(VKQ32, 0, D*sizeof(float)); + } + + const ggml_fp16_t * mp = mask ? (ggml_fp16_t *)((char *) mask->data + iq1*mask->nb[1]) : NULL; + + // k indices + const int ik3 = iq3 / rk3; + const int ik2 = iq2 / rk2; + + // v indices + const int iv3 = iq3 / rv3; + const int iv2 = iq2 / rv2; + + const float * pq = (const float *) ((char *) q->data + (iq1*nbq1 + iq2*nbq2 + iq3*nbq3)); + q_to_vec_dot(pq, Q_q, D); + + // online softmax / attention + // loop over n_kv and n_head_kv + // ref: https://arxiv.org/pdf/2112.05682.pdf + for (int64_t ic = 0; ic < nek1; ++ic) { + const float mv = mp ? slope*GGML_FP16_TO_FP32(mp[ic]) : 0.0f; + if (mv == -INFINITY) { + continue; + } + + float s; // KQ value + + const char * k_data = (const char *) k->data + ( ic*nbk1 + ik2*nbk2 + ik3*nbk3); + kq_vec_dot(D, &s, 0, k_data, 0, Q_q, 0, 1); + + s = s*scale + mv; // scale KQ value and apply mask + + const float Mold = M; + + float ms = 1.0f; // upon new higher max val, scale VKQ and KQ sum with this value + float vs = 1.0f; // post-softmax KQ value, expf(s - M) + + const char * v_data = ((const char *) v->data + (ic*nbv1 + iv2*nbv2 + iv3*nbv3)); + + if (v->type== GGML_TYPE_F16) { + if (s > M) { + // s is new maximum, ms < 1.0f, vs == expf(s - s) == 1.0f + M = s; + ms = expf(Mold - M); + + // V = V*expf(Mold - M) + ggml_vec_scale_f16(D, VKQ16, ms); + } else { + // no new maximum, ms == 1.0f, vs != 1.0f + vs = expf(s - M); + } + + // V += v*expf(s - M) + ggml_vec_mad_f16(D, VKQ16, (const ggml_fp16_t *) v_data, vs); + } else { + if (s > M) { + // s is new maximum, ms < 1.0f, vs == expf(s - s) == 1.0f + M = s; + ms = expf(Mold - M); + + // V = V*expf(Mold - M) + ggml_vec_scale_f32(D, VKQ32, ms); + } else { + // no new maximum, ms == 1.0f, vs != 1.0f + vs = expf(s - M); + } + + v_to_float(v_data, V32, D); + + // V += v*expf(s - M) + ggml_vec_mad_f32(D, VKQ32, V32, vs); + } + + S = S*ms + vs; // scale and increment sum with partial sum + } + + if (v->type == GGML_TYPE_F16) { + for (int64_t d = 0; d < D; ++d) { + VKQ32[d] = GGML_FP16_TO_FP32(VKQ16[d]); + } + } + + // V /= S + const float S_inv = 1.0f/S; + ggml_vec_scale_f32(D, VKQ32, S_inv); + + // dst indices + const int i1 = iq1; + const int i2 = iq2; + const int i3 = iq3; + + // original + //memcpy((char *) dst->data + (i1*nb1 + i2*nb2 + i3*nb3), V, nev0*sizeof(float)); + + // permute(0, 2, 1, 3) + memcpy((char *) dst->data + (i3*ne2*ne1 + i2 + i1*ne1)*nb1, VKQ32, nb1); + } +} + +static void ggml_compute_forward_flash_attn_ext( + const struct ggml_compute_params * params, + const struct ggml_tensor * q, + const struct ggml_tensor * k, + const struct ggml_tensor * v, + const struct ggml_tensor * mask, + struct ggml_tensor * dst) { + switch (dst->op_params[2]) { + case GGML_PREC_DEFAULT: + case GGML_PREC_F32: + { + // uses F32 accumulators + ggml_compute_forward_flash_attn_ext_f16(params, q, k, v, mask, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_flash_attn_back + +static void ggml_compute_forward_flash_attn_back_f32( + const struct ggml_compute_params * params, + const bool masked, + struct ggml_tensor * dst) { + + const struct ggml_tensor * q = dst->src[0]; + const struct ggml_tensor * k = dst->src[1]; + const struct ggml_tensor * v = dst->src[2]; + const struct ggml_tensor * d = dst->src[3]; + + GGML_TENSOR_LOCALS(int64_t, neq, q, ne) + GGML_TENSOR_LOCALS(size_t, nbq, q, nb) + GGML_TENSOR_LOCALS(int64_t, nek, k, ne) + GGML_TENSOR_LOCALS(size_t, nbk, k, nb) + GGML_TENSOR_LOCALS(int64_t, nev, v, ne) + GGML_TENSOR_LOCALS(size_t, nbv, v, nb) + GGML_TENSOR_LOCALS(int64_t, ned, d, ne) + GGML_TENSOR_LOCALS(size_t, nbd, d, nb) + GGML_TENSOR_LOCALS(int64_t, ne, dst, ne) + GGML_TENSOR_LOCALS(size_t, nb, dst, nb) + + const int ith = params->ith; + const int nth = params->nth; + + const int64_t D = neq0; + const int64_t N = neq1; + const int64_t P = nek1 - N; + const int64_t M = P + N; + + const int Mup = ggml_up(M, GGML_SOFT_MAX_UNROLL); + const int mxDM = MAX(D, Mup); + + // GGML_ASSERT(ne0 == D); + // GGML_ASSERT(ne1 == N); + GGML_ASSERT(P >= 0); + + GGML_ASSERT(nbq0 == sizeof(float)); + GGML_ASSERT(nbk0 == sizeof(float)); + GGML_ASSERT(nbv0 == sizeof(float)); + + GGML_ASSERT(neq0 == D); + GGML_ASSERT(nek0 == D); + GGML_ASSERT(nev1 == D); + GGML_ASSERT(ned0 == D); + + GGML_ASSERT(neq1 == N); + GGML_ASSERT(nek1 == N + P); + GGML_ASSERT(nev1 == D); + GGML_ASSERT(ned1 == N); + + // dst cannot be transposed or permuted + GGML_ASSERT(nb0 == sizeof(float)); + GGML_ASSERT(nb0 <= nb1); + GGML_ASSERT(nb1 <= nb2); + GGML_ASSERT(nb2 <= nb3); + + if (ith == 0) { + memset(dst->data, 0, nb0*ne0*ne1*ne2*ne3); + } + ggml_barrier(params->shared); + + const int64_t elem_q = ggml_nelements(q); + const int64_t elem_k = ggml_nelements(k); + + enum ggml_type result_type = dst->type; + GGML_ASSERT(ggml_blck_size(result_type) == 1); + const size_t tsize = ggml_type_size(result_type); + + const size_t offs_q = 0; + const size_t offs_k = offs_q + GGML_PAD(elem_q * tsize, GGML_MEM_ALIGN); + const size_t offs_v = offs_k + GGML_PAD(elem_k * tsize, GGML_MEM_ALIGN); + + void * grad_q = (char *) dst->data; + void * grad_k = (char *) dst->data + offs_k; + void * grad_v = (char *) dst->data + offs_v; + + const size_t nbgq1 = nb0*neq0; + const size_t nbgq2 = nb0*neq0*neq1; + const size_t nbgq3 = nb0*neq0*neq1*neq2; + + const size_t nbgk1 = nb0*nek0; + const size_t nbgk2 = nb0*nek0*nek1; + const size_t nbgk3 = nb0*nek0*nek1*neq2; + + const size_t nbgv1 = nb0*nev0; + const size_t nbgv2 = nb0*nev0*nev1; + const size_t nbgv3 = nb0*nev0*nev1*neq2; + + // parallelize by k rows using ggml_vec_dot_f32 + + // total rows in k + const int nr = nek2*nek3; + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + const float scale = 1.0f/sqrtf(D); + + //printf("P=%d N=%d D=%d ir0=%d ir1=%d scale = %f\n", P, N, D, ir0, ir1, scale); + + // how often k2 (and v2) is repeated in q2 + int nrep = neq2/nek2; + + for (int ir = ir0; ir < ir1; ++ir) { + // q indices + const int ik3 = ir/(nek2); + const int ik2 = ir - ik3*nek2; + + const int iq3 = ik3; + const int id3 = ik3; + const int iv3 = ik3; + const int iv2 = ik2; + + for (int irep = 0; irep < nrep; ++irep) { + const int iq2 = ik2 + irep*nek2; + const int id2 = iq2; + + // (ik2 + irep*nek2) % nek2 == ik2 + for (int iq1 = 0; iq1 < neq1; ++iq1) { + const int id1 = iq1; + + // not sure about CACHE_LINE_SIZE_F32.. + // - maybe it must not be multiplied by 2 and excluded from .. in SM 1*(..) offset? + float * S = (float *) params->wdata + ith*2*(mxDM + CACHE_LINE_SIZE_F32) + 0*(mxDM+CACHE_LINE_SIZE_F32); + float * SM = (float *) params->wdata + ith*2*(mxDM + CACHE_LINE_SIZE_F32) + 1*(mxDM+CACHE_LINE_SIZE_F32); + + for (int i = M; i < Mup; ++i) { + S[i] = -INFINITY; + } + + const int64_t masked_begin = masked ? (P + iq1 + 1) : M; + for (int64_t ic = 0; ic < masked_begin; ++ic) { + // k indices + const int ik1 = ic; + + // S indices + const int i1 = ik1; + + ggml_vec_dot_f32(neq0, + S + i1, 0, + (float *) ((char *) k->data + (ik1*nbk1 + ik2*nbk2 + ik3*nbk3)), 0, + (float *) ((char *) q->data + (iq1*nbq1 + iq2*nbq2 + iq3*nbq3)), 0, 1); + } + + // scale + ggml_vec_scale_f32(masked_begin, S, scale); + + for (int64_t i = masked_begin; i < M; i++) { + S[i] = -INFINITY; + } + + // softmax + // exclude known -INF S[..] values from max and loop + // dont forget to set their SM values to zero + { + float max = -INFINITY; + ggml_vec_max_f32(masked_begin, &max, S); + + ggml_float sum = 0.0; + { +#ifdef GGML_SOFT_MAX_ACCELERATE + max = -max; + vDSP_vsadd(SM, 1, &max, SM, 1, Mup); + vvexpf(SM, SM, &Mup); + ggml_vec_sum_f32(Mup, &sum, SM); +#else + sum = ggml_vec_soft_max_f32(Mup, SM, S, max); +#endif + } + + assert(sum > 0.0); + + sum = 1.0/sum; + ggml_vec_scale_f32(masked_begin, SM, sum); + + } + + // step-by-step explanation + { + // forward-process shape grads from backward process + // parallel_for ik2,ik3: + // for irep: + // iq2 = ik2 + irep*nek2 + // k[:D,:M,:,:] [D,M,:,:] grad[k][:D,:M,ik2,ik3] += grad[kcur] + // q[:D,:N,:,:] [D,N,:,:] grad[q][:D,iq1,iq2,iq3] += grad[qcur] + // v[:M,:D,:,:] [M,D,:,:] grad[v][:M,:D,iv2,iv3] += grad[vcur] + // for iq1: + // kcur = k[:D,:M,ik2,ik3] [D,M,1,1] grad[kcur] = grad[S1].T @ qcur + // qcur = q[:D,iq1,iq2,iq3] [D,1,1,1] grad[qcur] = grad[S1] @ kcur + // vcur = v[:M,:D,iv2,iv3] [M,D,1,1] grad[vcur] = grad[S5].T @ S4 + // S0 = -Inf [D,1,1,1] + // ~S1[i] = dot(kcur[:D,i], qcur) + // S1 = qcur @ kcur.T [M,1,1,1] grad[S1] = grad[S2] * scale + // S2 = S1 * scale [M,1,1,1] grad[S2] = diag_mask_zero(grad[S3], P) + // S3 = diag_mask_inf(S2, P) [M,1,1,1] grad[S3] = S4 * (grad[S4] - dot(S4, grad[S4])) + // S4 = softmax(S3) [M,1,1,1] grad[S4] = grad[S5] @ vcur + // ~S5[i] = dot(vcur[:,i], S4) + // S5 = S4 @ vcur.T [D,1,1,1] grad[S5] = d[:D,id1,id2,id3] + // ~dst[i,iq1,iq2,iq3] = S5[i] ^ + // dst[:D,iq1,iq2,iq3] = S5 | grad[dst[:D,iq1,iq2,iq3]] = d[:D,id1,id2,id3] + // dst backward-/ grad[dst] = d + // + // output gradients with their dependencies: + // + // grad[kcur] = grad[S1].T @ qcur + // grad[S1] = diag_mask_zero(grad[S3], P) * scale + // grad[S3] = S4 * (grad[S4] - dot(S4, grad[S4])) + // grad[S4] = grad[S5] @ vcur + // grad[S4] = d[:D,id1,id2,id3] @ vcur + // grad[qcur] = grad[S1] @ kcur + // grad[vcur] = grad[S5].T @ S4 + // grad[vcur] = d[:D,id1,id2,id3].T @ S4 + // + // in post-order: + // + // S1 = qcur @ kcur.T + // S2 = S1 * scale + // S3 = diag_mask_inf(S2, P) + // S4 = softmax(S3) + // grad[S4] = d[:D,id1,id2,id3] @ vcur + // grad[S3] = S4 * (grad[S4] - dot(S4, grad[S4])) + // grad[S1] = diag_mask_zero(grad[S3], P) * scale + // grad[qcur] = grad[S1] @ kcur + // grad[kcur] = grad[S1].T @ qcur + // grad[vcur] = d[:D,id1,id2,id3].T @ S4 + // + // using less variables (SM=S4): + // + // S = diag_mask_inf(qcur @ kcur.T * scale, P) + // SM = softmax(S) + // S = d[:D,iq1,iq2,iq3] @ vcur + // dot_SM_gradSM = dot(SM, S) + // S = SM * (S - dot(SM, S)) + // S = diag_mask_zero(S, P) * scale + // + // grad[q][:D,iq1,iq2,iq3] += S @ kcur + // grad[k][:D,:M,ik2,ik3] += S.T @ qcur + // grad[v][:M,:D,iv2,iv3] += d[:D,id1,id2,id3].T @ SM + } + + // S = gradSM = d[:D,id1,id2,id3] @ vcur[:,:,iv2,iv3] + // S = d[:D,id1,id2,id3] @ vcur[:,:,iv2,iv3] + // for ic: + // S[:M] += vcur[:M,ic,iv2,iv3] * d[ic,id1,id2,id3] + // exclude known future zero S[..] values from operation + ggml_vec_set_f32(masked_begin, S, 0); + for (int64_t ic = 0; ic < D; ++ic) { + ggml_vec_mad_f32(masked_begin, + S, + (float *) ((char *) v->data + ( ic*nbv1 + iv2*nbv2 + iv3*nbv3)), + *(float *) ((char *) d->data + (ic*nbd0 + id1*nbd1 + id2*nbd2 + id3*nbd3))); + } + + // S = SM * (S - dot(SM, S)) + float dot_SM_gradSM = 0; + ggml_vec_dot_f32 (masked_begin, &dot_SM_gradSM, 0, SM, 0, S, 0, 1); + ggml_vec_acc1_f32(M, S, -dot_SM_gradSM); + ggml_vec_mul_f32 (masked_begin, S, S, SM); + + // S = diag_mask_zero(S, P) * scale + // already done by above ggml_vec_set_f32 + + // exclude known zero S[..] values from operation + ggml_vec_scale_f32(masked_begin, S, scale); + + // S shape [M,1] + // SM shape [M,1] + // kcur shape [D,M] + // qcur shape [D,1] + // vcur shape [M,D] + + // grad[q][:D,iq1,iq2,iq3] += S @ kcur + // grad[q][:D,iq1,iq2,iq3] += shape[M,1] @ shape[D,M] + // for ic: + // grad[q][:D,iq1,iq2,iq3] += S[ic] * kcur[:D,ic,ik2,ik3] + // exclude known zero S[..] values from loop + for (int64_t ic = 0; ic < masked_begin; ++ic) { + ggml_vec_mad_f32(D, + (float *) ((char *) grad_q + (iq1*nbgq1 + iq2*nbgq2 + iq3*nbgq3)), + (float *) ((char *) k->data + (ic*nbk1 + ik2*nbk2 + ik3*nbk3)), + S[ic]); + } + + // grad[k][:D,:M,iq2,iq3] += S.T @ qcur + // for ic: + // grad[k][:D,ic,iq2,iq3] += S.T[0,ic] * qcur[:D,0] + // grad[k][:D,ic,iq2,iq3] += S[ic] * qcur[:D,0] + // exclude known zero S[..] values from loop + for (int64_t ic = 0; ic < masked_begin; ++ic) { + ggml_vec_mad_f32(D, + (float *) ((char *) grad_k + (ic*nbgk1 + ik2*nbgk2 + ik3*nbgk3)), + (float *) ((char *) q->data + (iq1*nbq1 + iq2*nbq2 + iq3*nbq3)), + S[ic]); + } + + // grad[v][:M,:D,iv2,iv3] += d[:D,id1,id2,id3].T @ SM + // for ic: + // grad[v][:M,ic,iv2,iv3] += d[:D,id1,id2,id3].T[0,ic] * SM[:M] + // grad[v][:M,ic,iv2,iv3] += d[ic,id1,id2,id3] * SM[:M] + // exclude known zero SM[..] values from mad + for (int64_t ic = 0; ic < D; ++ic) { + ggml_vec_mad_f32(masked_begin, + (float *) ((char *) grad_v + ( ic*nbgv1 + iv2*nbgv2 + iv3*nbgv3)), + SM, + *(float *) ((char *) d->data + (ic*nbd0 + id1*nbd1 + id2*nbd2 + id3*nbd3))); + } + } + } + } +} + +static void ggml_compute_forward_flash_attn_back( + const struct ggml_compute_params * params, + const bool masked, + struct ggml_tensor * dst) { + + const struct ggml_tensor * q = dst->src[0]; + + switch (q->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_flash_attn_back_f32(params, masked, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_ssm_conv + +static void ggml_compute_forward_ssm_conv_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + const struct ggml_tensor * src0 = dst->src[0]; // conv_state + const struct ggml_tensor * src1 = dst->src[1]; // x + const struct ggml_tensor * src2 = dst->src[2]; // conv1d.weight + const struct ggml_tensor * src3 = dst->src[3]; // state_seq + + const int ith = params->ith; + const int nth = params->nth; + + const int nc = src2->ne[0]; // d_conv + const int nr = src0->ne[1]; // d_inner + const int n_t = src1->ne[1]; // n_tokens + const int n_kv = src0->ne[2]; // max number of sequences in the batch + + GGML_ASSERT((nr*n_t) + (nc*nr*n_kv) == ggml_nelements(dst)); + GGML_ASSERT(src0->nb[0] == sizeof(float)); + GGML_ASSERT(src1->nb[0] == sizeof(float)); + GGML_ASSERT(src2->nb[0] == sizeof(float)); + GGML_ASSERT(src3->nb[0] == sizeof(int32_t)); + GGML_ASSERT(src0->nb[1] == src0->ne[0]*sizeof(float)); + // for use with the destination state offset between sequences + GGML_ASSERT(src2->nb[2] == src2->ne[1]*src2->ne[0]*sizeof(float)); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + const int ir = ir1 - ir0; + + if (n_kv > 1) { + // multiple sequences means it's hard to know when it's the first time a state is read, + // so copy them all over to the destination, just to be sure. + for (int i3 = 0; i3 < n_kv; ++i3) { + float * s0 = (float *) ((char *) src0->data + ir0*(src0->nb[1]) + i3*(src0->nb[2])); + float * s = (float *) ((char *) dst->data + ir0*(src2->nb[1]) + i3*(src2->nb[2]) + nr*n_t*sizeof(float)); + // can't use memcpy because of d_conv vs d_conv - 1 + for (int i1 = 0; i1 < ir; ++i1) { + for (int i0 = 0; i0 < nc - 1; ++i0) { + // copy s0 to last (d_conv - 1) columns of s + s[1 + i0 + i1*nc] = s0[i0 + i1*(nc - 1)]; + } + } + } + } + + for (int i2 = 0; i2 < n_t; ++i2) { + int32_t * sq = (int32_t *) ((char *) src3->data + i2*(src3->nb[1])); // {n_kv, n_tokens} + float * x = (float *) ((char *) dst->data + ir0*sizeof(float) + i2*(nr*sizeof(float))); // {d_inner, n_tokens} + float * s = (float *) ((char *) dst->data + ir0*(src2->nb[1]) + sq[0]*(src2->nb[2]) + nr*n_t*sizeof(float)); // {d_conv, d_inner, n_kv} + float * s0; // {d_conv - 1, d_inner, n_kv} + float * x0 = (float *) ((char *) src1->data + ir0*(src1->nb[0]) + i2*(src1->nb[1])); // {d_inner, n_tokens} + float * c = (float *) ((char *) src2->data + ir0*(src2->nb[1])); // {d_conv, d_inner} + int ne0s0; + + GGML_ASSERT(0 <= sq[0] && sq[0] < n_kv); + + // avoid needing to copy the state for the first token + if (i2 == 0) { + s0 = (float *) ((char *) src0->data + ir0*(src0->nb[1]) + sq[0]*(src0->nb[2])); // {d_conv - 1, d_inner, n_kv} + ne0s0 = src0->ne[0]; + } else { + // the source is the last (d_conv - 1) columns of the destination + s0 = s + 1; + ne0s0 = nc; + } + + // d_inner + for (int i1 = 0; i1 < ir; ++i1) { + // shift state left + for (int i0 = 0; i0 < nc - 1; ++i0) { + s[i0 + i1*nc] = s0[i0 + i1*ne0s0]; + } + // insert x on the last column + s[(nc - 1) + i1*nc] = x0[i1]; + } + + // handle copies when there are multiple output states + for (int i3 = 1; i3 < n_kv; ++i3) { + int32_t seq = sq[i3]; + if (0 <= seq && seq < n_kv) { + float * s1 = s + (seq - sq[0])*nc*nr; + memcpy(s1, s, nc*ir*sizeof(float)); + } else { + // stop at negative or too big seq_ids + break; + } + } + + // it seems a little faster when this is separate from the state shift + for (int i1 = 0; i1 < ir; ++i1) { + // rowwise dot product + float sumf = 0.0f; + for (int i0 = 0; i0 < nc; ++i0) { + int i = i0 + i1*nc; + sumf += s[i] * c[i]; + } + x[i1] = sumf; + } + } +} + +static void ggml_compute_forward_ssm_conv( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + switch (dst->src[0]->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_ssm_conv_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_ssm_scan + +static void ggml_compute_forward_ssm_scan_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + const struct ggml_tensor * src0 = dst->src[0]; // s + const struct ggml_tensor * src1 = dst->src[1]; // x + const struct ggml_tensor * src2 = dst->src[2]; // dt + const struct ggml_tensor * src3 = dst->src[3]; // A + const struct ggml_tensor * src4 = dst->src[4]; // B + const struct ggml_tensor * src5 = dst->src[5]; // C + const struct ggml_tensor * src6 = dst->src[6]; // sq + + const int ith = params->ith; + const int nth = params->nth; + + const int64_t nc = src0->ne[0]; // d_state + const int64_t nr = src0->ne[1]; // d_inner + const int64_t n_t = src1->ne[1]; // number of tokens in the batch + const int64_t n_kv = src0->ne[2]; // max number of sequences in the batch + + GGML_ASSERT(ggml_nelements(src1) + ggml_nelements(src0) == ggml_nelements(dst)); + GGML_ASSERT(src0->nb[0] == sizeof(float)); + GGML_ASSERT(src1->nb[0] == sizeof(float)); + GGML_ASSERT(src2->nb[0] == sizeof(float)); + GGML_ASSERT(src3->nb[0] == sizeof(float)); + GGML_ASSERT(src4->nb[0] == sizeof(float)); + GGML_ASSERT(src5->nb[0] == sizeof(float)); + // required for the dot product between s and C, and when copying the states + GGML_ASSERT(src0->nb[1] == src0->ne[0]*sizeof(float)); + // required for per-sequence offsets for states + GGML_ASSERT(src0->nb[2] == src0->ne[0]*src0->ne[1]*sizeof(float)); + // required to get correct offset for state destination (i.e. src1->nb[2]) + GGML_ASSERT(src1->nb[2] == src1->ne[0]*src1->ne[1]*sizeof(float)); + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + const int ir = ir1 - ir0; + + if (n_kv > 1) { + // it's hard to know if the source states have already been copied + // when there are multiple, so copy them already. + for (int i3 = 0; i3 < n_kv; ++i3) { + float * s0 = (float *) ((char *) src0->data + ir0*(src0->nb[1]) + i3*(src0->nb[2])); + float * s = (float *) ((char *) dst->data + ir0*(src0->nb[1]) + i3*(src0->nb[2]) + src1->nb[2]); + memcpy(s, s0, nc*ir*sizeof(float)); + } + } + + for (int i2 = 0; i2 < n_t; ++i2) { + int32_t * sq = (int32_t *) ((char *) src6->data + i2*(src6->nb[1])); // {n_kv, n_tokens} + float * y = (float *) ((char *) dst->data + ir0*(src1->nb[0]) + i2*(src1->nb[1])); // {d_inner, n_tokens} + float * s = (float *) ((char *) dst->data + ir0*(src0->nb[1]) + sq[0]*(src0->nb[2]) + src1->nb[2]); // {d_state, d_inner, n_kv} + float * s0; + float * x = (float *) ((char *) src1->data + ir0*(src1->nb[0]) + i2*(src1->nb[1])); // {d_inner, n_tokens} + float * dt = (float *) ((char *) src2->data + ir0*(src2->nb[0]) + i2*(src2->nb[1])); // {d_inner, n_tokens} + float * A = (float *) ((char *) src3->data + ir0*(src3->nb[1])); // {d_state, d_inner} + float * B = (float *) ((char *) src4->data + i2*(src4->nb[1])); // {d_state, n_tokens} + float * C = (float *) ((char *) src5->data + i2*(src5->nb[1])); // {d_state, n_tokens} + + GGML_ASSERT(0 <= sq[0] && sq[0] < n_kv); + + // avoid needing to copy the state for the first token + if (i2 == 0) { + s0 = (float *) ((char *) src0->data + ir0*(src0->nb[1]) + sq[0]*(src0->nb[2])); // {d_state, d_inner, n_kv} + } else { + // otherwise the source is the same as the destination + s0 = s; + } + + // d_inner + for (int i1 = 0; i1 < ir; ++i1) { + // ref: https://github.com/state-spaces/mamba/blob/34076d664838588a3c97727b263478ab9f621a07/mamba_ssm/ops/triton/selective_state_update.py#L78 + float dt_soft_plus = dt[i1] <= 20.0f ? log1pf(expf(dt[i1])) : dt[i1]; + float x_dt = x[i1] * dt_soft_plus; + float sumf = 0.0f; + // d_state + for (int i0 = 0; i0 < nc; ++i0) { + int i = i0 + i1*nc; + // state = prev_state * dA + dB * x + float state = (s0[i] * expf(dt_soft_plus * A[i])) + (B[i0] * x_dt); + // y = rowwise_dotprod(state, C) + sumf += state * C[i0]; + s[i] = state; + } + y[i1] = sumf; + } + + // handle copies when there are multiple output states + for (int i3 = 1; i3 < n_kv; ++i3) { + int32_t seq = sq[i3]; + if (0 <= seq && seq < n_kv) { + float * s1 = s + (seq - sq[0])*nc*nr; + memcpy(s1, s, nc*ir*sizeof(float)); + } else { + // stop at negative or too big seq_ids + break; + } + } + } +} + +static void ggml_compute_forward_ssm_scan( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + switch (dst->src[0]->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_ssm_scan_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_win_part + +static void ggml_compute_forward_win_part_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + UNUSED(params); + + const struct ggml_tensor * src0 = dst->src[0]; + + GGML_TENSOR_LOCALS(int64_t, ne0, src0, ne) + GGML_TENSOR_LOCALS(int64_t, ne, dst, ne) + + const int32_t nep0 = ((const int32_t *)(dst->op_params))[0]; + const int32_t nep1 = ((const int32_t *)(dst->op_params))[1]; + const int32_t w = ((const int32_t *)(dst->op_params))[2]; + + assert(ne00 == ne0); + assert(ne3 == nep0*nep1); + + // TODO: optimize / multi-thread + for (int py = 0; py < nep1; ++py) { + for (int px = 0; px < nep0; ++px) { + const int64_t i3 = py*nep0 + px; + for (int64_t i2 = 0; i2 < ne2; ++i2) { + for (int64_t i1 = 0; i1 < ne1; ++i1) { + for (int64_t i0 = 0; i0 < ne0; ++i0) { + const int64_t i02 = py*w + i2; + const int64_t i01 = px*w + i1; + const int64_t i00 = i0; + + const int64_t i = i3*ne2*ne1*ne0 + i2*ne1*ne0 + i1*ne0 + i0; + const int64_t j = i02*ne01*ne00 + i01*ne00 + i00; + + if (py*w + i2 >= ne02 || px*w + i1 >= ne01) { + ((float *) dst->data)[i] = 0.0f; + } else { + ((float *) dst->data)[i] = ((float *) src0->data)[j]; + } + } + } + } + } + } +} + +static void ggml_compute_forward_win_part( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_win_part_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_win_unpart + +static void ggml_compute_forward_win_unpart_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + UNUSED(params); + + const struct ggml_tensor * src0 = dst->src[0]; + + GGML_TENSOR_LOCALS(int64_t, ne0, src0, ne) + GGML_TENSOR_LOCALS(int64_t, ne, dst, ne) + + const int32_t w = ((const int32_t *)(dst->op_params))[0]; + + // padding + const int px = (w - ne1%w)%w; + //const int py = (w - ne2%w)%w; + + const int npx = (px + ne1)/w; + //const int npy = (py + ne2)/w; + + assert(ne0 == ne00); + + // TODO: optimize / multi-thread + for (int64_t i2 = 0; i2 < ne2; ++i2) { + for (int64_t i1 = 0; i1 < ne1; ++i1) { + for (int64_t i0 = 0; i0 < ne0; ++i0) { + const int ip2 = i2/w; + const int ip1 = i1/w; + + const int64_t i02 = i2%w; + const int64_t i01 = i1%w; + const int64_t i00 = i0; + + const int64_t i = (ip2*npx + ip1)*ne02*ne01*ne00 + i02*ne01*ne00 + i01*ne00 + i00; + const int64_t j = i2*ne1*ne0 + i1*ne0 + i0; + + ((float *) dst->data)[j] = ((float *) src0->data)[i]; + } + } + } +} + +static void ggml_compute_forward_win_unpart( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_win_unpart_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +//gmml_compute_forward_unary + +static void ggml_compute_forward_unary( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const enum ggml_unary_op op = ggml_get_unary_op(dst); + + switch (op) { + case GGML_UNARY_OP_ABS: + { + ggml_compute_forward_abs(params, dst); + } break; + case GGML_UNARY_OP_SGN: + { + ggml_compute_forward_sgn(params, dst); + } break; + case GGML_UNARY_OP_NEG: + { + ggml_compute_forward_neg(params, dst); + } break; + case GGML_UNARY_OP_STEP: + { + ggml_compute_forward_step(params, dst); + } break; + case GGML_UNARY_OP_TANH: + { + ggml_compute_forward_tanh(params, dst); + } break; + case GGML_UNARY_OP_ELU: + { + ggml_compute_forward_elu(params, dst); + } break; + case GGML_UNARY_OP_RELU: + { + ggml_compute_forward_relu(params, dst); + } break; + case GGML_UNARY_OP_SIGMOID: + { + ggml_compute_forward_sigmoid(params, dst); + } break; + case GGML_UNARY_OP_GELU: + { + ggml_compute_forward_gelu(params, dst); + } break; + case GGML_UNARY_OP_GELU_QUICK: + { + ggml_compute_forward_gelu_quick(params, dst); + } break; + case GGML_UNARY_OP_SILU: + { + ggml_compute_forward_silu(params, dst); + } break; + case GGML_UNARY_OP_HARDSWISH: + { + ggml_compute_forward_hardswish(params, dst); + } break; + case GGML_UNARY_OP_HARDSIGMOID: + { + ggml_compute_forward_hardsigmoid(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_get_rel_pos + +static void ggml_compute_forward_get_rel_pos_f16( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + UNUSED(params); + + const struct ggml_tensor * src0 = dst->src[0]; + + // ref: https://github.com/facebookresearch/segment-anything/blob/main/segment_anything/modeling/image_encoder.py#L292-L322 + + GGML_TENSOR_UNARY_OP_LOCALS + + const int64_t w = ne1; + + ggml_fp16_t * src0_data = (ggml_fp16_t *) src0->data; + ggml_fp16_t * dst_data = (ggml_fp16_t *) dst->data; + + for (int64_t i2 = 0; i2 < ne2; ++i2) { + for (int64_t i1 = 0; i1 < ne1; ++i1) { + const int64_t pos = (w - i1 - 1) + i2; + for (int64_t i0 = 0; i0 < ne0; ++i0) { + dst_data[i2*ne1*ne0 + i1*ne0 + i0] = src0_data[pos*ne00 + i0]; + } + } + } +} + +static void ggml_compute_forward_get_rel_pos( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F16: + case GGML_TYPE_BF16: + { + ggml_compute_forward_get_rel_pos_f16(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_add_rel_pos + +static void ggml_compute_forward_add_rel_pos_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + const struct ggml_tensor * src2 = dst->src[2]; + + const bool inplace = (bool) ((int32_t *) dst->op_params)[0]; + if (!inplace) { + if (params->ith == 0) { + memcpy((char *) dst->data, (char *) src0->data, ggml_nbytes(dst)); + } + ggml_barrier(params->shared); + } + // ref: https://github.com/facebookresearch/segment-anything/blob/main/segment_anything/modeling/image_encoder.py#L357-L359 + + float * src1_data = (float *) src1->data; + float * src2_data = (float *) src2->data; + float * dst_data = (float *) dst->data; + + const int64_t ne10 = src1->ne[0]; + const int64_t ne11 = src1->ne[1]; + const int64_t ne12 = src1->ne[2]; + const int64_t ne13 = src1->ne[3]; + + const int ith = params->ith; + const int nth = params->nth; + + // total patches in dst + const int np = ne13; + + // patches per thread + const int dp = (np + nth - 1)/nth; + + // patch range for this thread + const int ip0 = dp*ith; + const int ip1 = MIN(ip0 + dp, np); + + for (int64_t i13 = ip0; i13 < ip1; ++i13) { + for (int64_t i12 = 0; i12 < ne12; ++i12) { + for (int64_t i11 = 0; i11 < ne11; ++i11) { + const int64_t jp1 = i13*ne12*ne11*ne10 + i12*ne11*ne10 + i11*ne10; + for (int64_t i10 = 0; i10 < ne10; ++i10) { + const int64_t jp0 = jp1 + i10; + const float src1_e = src1_data[jp0]; + const float src2_e = src2_data[jp0]; + + const int64_t jdh = jp0 * ne10; + const int64_t jdw = jdh - (ne10 - 1) * i10; + + for (int64_t j = 0; j < ne10; ++j) { + dst_data[jdh + j ] += src2_e; + dst_data[jdw + j*ne10] += src1_e; + } + } + } + } + } +} + +static void ggml_compute_forward_add_rel_pos( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_add_rel_pos_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_map_unary + +static void ggml_compute_forward_map_unary_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst, + const ggml_unary_op_f32_t fun) { + + const struct ggml_tensor * src0 = dst->src[0]; + + if (params->ith != 0) { + return; + } + + assert(ggml_is_contiguous_1(src0)); + assert(ggml_is_contiguous_1(dst)); + assert(ggml_are_same_shape(src0, dst)); + + const int n = ggml_nrows(src0); + const int nc = src0->ne[0]; + + for (int i = 0; i < n; i++) { + fun(nc, + (float *) ((char *) dst->data + i*( dst->nb[1])), + (float *) ((char *) src0->data + i*(src0->nb[1]))); + } +} + +static void ggml_compute_forward_map_unary( + const struct ggml_compute_params * params, + struct ggml_tensor * dst, + const ggml_unary_op_f32_t fun) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_map_unary_f32(params, dst, fun); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_map_binary + +static void ggml_compute_forward_map_binary_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst, + const ggml_binary_op_f32_t fun) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + if (params->ith != 0) { + return; + } + + assert(ggml_is_contiguous_1(src0)); + assert(ggml_is_contiguous_1(src1)); + assert(ggml_is_contiguous_1(dst)); + assert(ggml_are_same_shape(src0, src1) && ggml_are_same_shape(src0, dst)); + + const int n = ggml_nrows(src0); + const int nc = src0->ne[0]; + + for (int i = 0; i < n; i++) { + fun(nc, + (float *) ((char *) dst->data + i*( dst->nb[1])), + (float *) ((char *) src0->data + i*(src0->nb[1])), + (float *) ((char *) src1->data + i*(src1->nb[1]))); + } +} + +static void ggml_compute_forward_map_binary( + const struct ggml_compute_params * params, + struct ggml_tensor * dst, + const ggml_binary_op_f32_t fun) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_map_binary_f32(params, dst, fun); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_map_custom1 + +static void ggml_compute_forward_map_custom1_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst, + const ggml_custom1_op_f32_t fun) { + + const struct ggml_tensor * a = dst->src[0]; + + if (params->ith != 0) { + return; + } + + fun(dst, a); +} + +// ggml_compute_forward_map_custom2 + +static void ggml_compute_forward_map_custom2_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst, + const ggml_custom2_op_f32_t fun) { + + const struct ggml_tensor * a = dst->src[0]; + const struct ggml_tensor * b = dst->src[1]; + + if (params->ith != 0) { + return; + } + + fun(dst, a, b); +} + +// ggml_compute_forward_map_custom3 + +static void ggml_compute_forward_map_custom3_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst, + const ggml_custom3_op_f32_t fun) { + + const struct ggml_tensor * a = dst->src[0]; + const struct ggml_tensor * b = dst->src[1]; + const struct ggml_tensor * c = dst->src[1]; + + if (params->ith != 0) { + return; + } + + fun(dst, a, b, c); +} + +// ggml_compute_forward_map_custom1 + +static void ggml_compute_forward_map_custom1( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * a = dst->src[0]; + + struct ggml_map_custom1_op_params p; + memcpy(&p, dst->op_params, sizeof(p)); + + p.fun(dst, a, params->ith, params->nth, p.userdata); +} + +// ggml_compute_forward_map_custom2 + +static void ggml_compute_forward_map_custom2( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * a = dst->src[0]; + const struct ggml_tensor * b = dst->src[1]; + + struct ggml_map_custom2_op_params p; + memcpy(&p, dst->op_params, sizeof(p)); + + p.fun(dst, a, b, params->ith, params->nth, p.userdata); +} + +// ggml_compute_forward_map_custom3 + +static void ggml_compute_forward_map_custom3( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * a = dst->src[0]; + const struct ggml_tensor * b = dst->src[1]; + const struct ggml_tensor * c = dst->src[2]; + + struct ggml_map_custom3_op_params p; + memcpy(&p, dst->op_params, sizeof(p)); + + p.fun(dst, a, b, c, params->ith, params->nth, p.userdata); +} + +// ggml_compute_forward_cross_entropy_loss + +static void ggml_compute_forward_cross_entropy_loss_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_ASSERT(ggml_is_contiguous(src0)); + GGML_ASSERT(ggml_is_contiguous(src1)); + GGML_ASSERT(ggml_is_scalar(dst)); + GGML_ASSERT(ggml_are_same_shape(src0, src1)); + + const int ith = params->ith; + const int nth = params->nth; + + float * sums = (float *) params->wdata; + + // TODO: handle transposed/permuted matrices + const int nc = src0->ne[0]; + const int nr = ggml_nrows(src0); + + GGML_ASSERT(params->wsize >= sizeof(float) * (nth + nth * nc)); + + if (ith == 0) { + memset(sums, 0, sizeof(float) * (nth + nth * nc)); + } + ggml_barrier(params->shared); + + const double eps = 1e-9; + + // rows per thread + const int dr = (nr + nth - 1)/nth; + + // row range for this thread + const int ir0 = dr*ith; + const int ir1 = MIN(ir0 + dr, nr); + + for (int i1 = ir0; i1 < ir1; i1++) { + float * s0 = (float *)((char *) src0->data + i1*src0->nb[1]); + float * s1 = (float *)((char *) src1->data + i1*src1->nb[1]); + float * st = ((float *) params->wdata) + nth + ith*nc; + +#ifndef NDEBUG + for (int i = 0; i < nc; ++i) { + //printf("p[%d] = %f\n", i, p[i]); + assert(!isnan(s0[i])); + assert(!isnan(s1[i])); + } +#endif + + // soft_max + float max = -INFINITY; + ggml_vec_max_f32(nc, &max, s0); + ggml_float sum = ggml_vec_soft_max_f32(nc, st, s0, max); + assert(sum > 0.0); + sum = (1.0 - eps) / sum; + + // avoid log(0) by rescaling from [0..1] to [eps..1] + ggml_vec_scale_f32(nc, st, sum); + ggml_vec_add1_f32(nc, st, st, eps); + ggml_vec_log_f32(nc, st, st); + ggml_vec_mul_f32(nc, st, st, s1); + + float st_sum = 0; + ggml_vec_sum_f32(nc, &st_sum, st); + sums[ith] += st_sum; + +#ifndef NDEBUG + for (int i = 0; i < nc; ++i) { + assert(!isnan(st[i])); + assert(!isinf(st[i])); + } +#endif + } + ggml_barrier(params->shared); + + if (ith == 0) { + float * dp = (float *) dst->data; + ggml_vec_sum_f32(nth, dp, sums); + dp[0] *= -1.0f / (float) nr; + } +} + +static void ggml_compute_forward_cross_entropy_loss( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_cross_entropy_loss_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +// ggml_compute_forward_cross_entropy_loss_back + +static void ggml_compute_forward_cross_entropy_loss_back_f32( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + const struct ggml_tensor * opt0 = dst->src[2]; + + GGML_ASSERT(ggml_is_contiguous(dst)); + GGML_ASSERT(ggml_is_contiguous(src0)); + GGML_ASSERT(ggml_is_contiguous(src1)); + GGML_ASSERT(ggml_is_contiguous(opt0)); + GGML_ASSERT(ggml_are_same_shape(src0, src1) && ggml_are_same_shape(src0, dst)); + + const int64_t ith = params->ith; + const int64_t nth = params->nth; + + const double eps = 1e-9; + + // TODO: handle transposed/permuted matrices + const int64_t nc = src0->ne[0]; + const int64_t nr = ggml_nrows(src0); + + // rows per thread + const int64_t dr = (nr + nth - 1)/nth; + + // row range for this thread + const int64_t ir0 = dr*ith; + const int64_t ir1 = MIN(ir0 + dr, nr); + + float * d = (float *) opt0->data; + + for (int64_t i1 = ir0; i1 < ir1; i1++) { + float * ds0 = (float *)((char *) dst->data + i1*dst->nb[1]); + float * s0 = (float *)((char *) src0->data + i1*src0->nb[1]); + float * s1 = (float *)((char *) src1->data + i1*src1->nb[1]); + +#ifndef NDEBUG + for (int i = 0; i < nc; ++i) { + //printf("p[%d] = %f\n", i, p[i]); + assert(!isnan(s0[i])); + assert(!isnan(s1[i])); + } +#endif + + // soft_max + float max = -INFINITY; + ggml_vec_max_f32(nc, &max, s0); + ggml_float sum = ggml_vec_soft_max_f32(nc, ds0, s0, max); + assert(sum > 0.0); + sum = (1.0 - eps) / sum; + + // grad(src0) = (softmax(src0) - src1) * grad(cross_entropy_loss(src0, src1)) / nr + ggml_vec_scale_f32(nc, ds0, sum); + ggml_vec_add1_f32(nc, ds0, ds0, eps); + ggml_vec_sub_f32(nc, ds0, ds0, s1); + ggml_vec_scale_f32(nc, ds0, d[0] / (float) nr); + +#ifndef NDEBUG + for (int i = 0; i < nc; ++i) { + assert(!isnan(ds0[i])); + assert(!isinf(ds0[i])); + } +#endif + } +} + +static void ggml_compute_forward_cross_entropy_loss_back( + const struct ggml_compute_params * params, + struct ggml_tensor * dst) { + + const struct ggml_tensor * src0 = dst->src[0]; + + switch (src0->type) { + case GGML_TYPE_F32: + { + ggml_compute_forward_cross_entropy_loss_back_f32(params, dst); + } break; + default: + { + GGML_ASSERT(false); + } break; + } +} + +///////////////////////////////// + +static void ggml_compute_forward(struct ggml_compute_params * params, struct ggml_tensor * tensor) { + GGML_ASSERT(params); + + if (tensor->op == GGML_OP_NONE || ggml_is_empty(tensor)) { + return; + } + + switch (tensor->op) { + case GGML_OP_DUP: + { + ggml_compute_forward_dup(params, tensor); + } break; + case GGML_OP_ADD: + { + ggml_compute_forward_add(params, tensor); + } break; + case GGML_OP_ADD1: + { + ggml_compute_forward_add1(params, tensor); + } break; + case GGML_OP_ACC: + { + ggml_compute_forward_acc(params, tensor); + } break; + case GGML_OP_SUB: + { + ggml_compute_forward_sub(params, tensor); + } break; + case GGML_OP_MUL: + { + ggml_compute_forward_mul(params, tensor); + } break; + case GGML_OP_DIV: + { + ggml_compute_forward_div(params, tensor); + } break; + case GGML_OP_SQR: + { + ggml_compute_forward_sqr(params, tensor); + } break; + case GGML_OP_SQRT: + { + ggml_compute_forward_sqrt(params, tensor); + } break; + case GGML_OP_LOG: + { + ggml_compute_forward_log(params, tensor); + } break; + case GGML_OP_SUM: + { + ggml_compute_forward_sum(params, tensor); + } break; + case GGML_OP_SUM_ROWS: + { + ggml_compute_forward_sum_rows(params, tensor); + } break; + case GGML_OP_MEAN: + { + ggml_compute_forward_mean(params, tensor); + } break; + case GGML_OP_ARGMAX: + { + ggml_compute_forward_argmax(params, tensor); + } break; + case GGML_OP_REPEAT: + { + ggml_compute_forward_repeat(params, tensor); + } break; + case GGML_OP_REPEAT_BACK: + { + ggml_compute_forward_repeat_back(params, tensor); + } break; + case GGML_OP_CONCAT: + { + ggml_compute_forward_concat(params, tensor); + } break; + case GGML_OP_SILU_BACK: + { + ggml_compute_forward_silu_back(params, tensor); + } break; + case GGML_OP_NORM: + { + ggml_compute_forward_norm(params, tensor); + } break; + case GGML_OP_RMS_NORM: + { + ggml_compute_forward_rms_norm(params, tensor); + } break; + case GGML_OP_RMS_NORM_BACK: + { + ggml_compute_forward_rms_norm_back(params, tensor); + } break; + case GGML_OP_GROUP_NORM: + { + ggml_compute_forward_group_norm(params, tensor); + } break; + case GGML_OP_MUL_MAT: + { + ggml_compute_forward_mul_mat(params, tensor); + } break; + case GGML_OP_MUL_MAT_ID: + { + ggml_compute_forward_mul_mat_id(params, tensor); + } break; + case GGML_OP_OUT_PROD: + { + ggml_compute_forward_out_prod(params, tensor); + } break; + case GGML_OP_SCALE: + { + ggml_compute_forward_scale(params, tensor); + } break; + case GGML_OP_SET: + { + ggml_compute_forward_set(params, tensor); + } break; + case GGML_OP_CPY: + { + ggml_compute_forward_cpy(params, tensor); + } break; + case GGML_OP_CONT: + { + ggml_compute_forward_cont(params, tensor); + } break; + case GGML_OP_RESHAPE: + { + ggml_compute_forward_reshape(params, tensor); + } break; + case GGML_OP_VIEW: + { + ggml_compute_forward_view(params, tensor); + } break; + case GGML_OP_PERMUTE: + { + ggml_compute_forward_permute(params, tensor); + } break; + case GGML_OP_TRANSPOSE: + { + ggml_compute_forward_transpose(params, tensor); + } break; + case GGML_OP_GET_ROWS: + { + ggml_compute_forward_get_rows(params, tensor); + } break; + case GGML_OP_GET_ROWS_BACK: + { + ggml_compute_forward_get_rows_back(params, tensor); + } break; + case GGML_OP_DIAG: + { + ggml_compute_forward_diag(params, tensor); + } break; + case GGML_OP_DIAG_MASK_INF: + { + ggml_compute_forward_diag_mask_inf(params, tensor); + } break; + case GGML_OP_DIAG_MASK_ZERO: + { + ggml_compute_forward_diag_mask_zero(params, tensor); + } break; + case GGML_OP_SOFT_MAX: + { + ggml_compute_forward_soft_max(params, tensor); + } break; + case GGML_OP_SOFT_MAX_BACK: + { + ggml_compute_forward_soft_max_back(params, tensor); + } break; + case GGML_OP_ROPE: + { + ggml_compute_forward_rope(params, tensor); + } break; + case GGML_OP_ROPE_BACK: + { + ggml_compute_forward_rope_back(params, tensor); + } break; + case GGML_OP_CLAMP: + { + ggml_compute_forward_clamp(params, tensor); + } break; + case GGML_OP_CONV_TRANSPOSE_1D: + { + ggml_compute_forward_conv_transpose_1d(params, tensor); + } break; + case GGML_OP_IM2COL: + { + ggml_compute_forward_im2col(params, tensor); + } break; + case GGML_OP_CONV_TRANSPOSE_2D: + { + ggml_compute_forward_conv_transpose_2d(params, tensor); + } break; + case GGML_OP_POOL_1D: + { + ggml_compute_forward_pool_1d(params, tensor); + } break; + case GGML_OP_POOL_2D: + { + ggml_compute_forward_pool_2d(params, tensor); + } break; + case GGML_OP_UPSCALE: + { + ggml_compute_forward_upscale(params, tensor); + } break; + case GGML_OP_PAD: + { + ggml_compute_forward_pad(params, tensor); + } break; + case GGML_OP_ARANGE: + { + ggml_compute_forward_arange(params, tensor); + } break; + case GGML_OP_TIMESTEP_EMBEDDING: + { + ggml_compute_forward_timestep_embedding(params, tensor); + } break; + case GGML_OP_ARGSORT: + { + ggml_compute_forward_argsort(params, tensor); + } break; + case GGML_OP_LEAKY_RELU: + { + ggml_compute_forward_leaky_relu(params, tensor); + } break; + case GGML_OP_FLASH_ATTN_EXT: + { + ggml_compute_forward_flash_attn_ext(params, tensor->src[0], tensor->src[1], tensor->src[2], tensor->src[3], tensor); + } break; + case GGML_OP_FLASH_ATTN_BACK: + { + int32_t t = ggml_get_op_params_i32(tensor, 0); + GGML_ASSERT(t == 0 || t == 1); + bool masked = t != 0; + ggml_compute_forward_flash_attn_back(params, masked, tensor); + } break; + case GGML_OP_SSM_CONV: + { + ggml_compute_forward_ssm_conv(params, tensor); + } break; + case GGML_OP_SSM_SCAN: + { + ggml_compute_forward_ssm_scan(params, tensor); + } break; + case GGML_OP_WIN_PART: + { + ggml_compute_forward_win_part(params, tensor); + } break; + case GGML_OP_WIN_UNPART: + { + ggml_compute_forward_win_unpart(params, tensor); + } break; + case GGML_OP_UNARY: + { + ggml_compute_forward_unary(params, tensor); + } break; + case GGML_OP_GET_REL_POS: + { + ggml_compute_forward_get_rel_pos(params, tensor); + } break; + case GGML_OP_ADD_REL_POS: + { + ggml_compute_forward_add_rel_pos(params, tensor); + } break; + case GGML_OP_MAP_UNARY: + { + ggml_unary_op_f32_t fun; + memcpy(&fun, tensor->op_params, sizeof(fun)); + ggml_compute_forward_map_unary(params, tensor, fun); + } + break; + case GGML_OP_MAP_BINARY: + { + ggml_binary_op_f32_t fun; + memcpy(&fun, tensor->op_params, sizeof(fun)); + ggml_compute_forward_map_binary(params, tensor, fun); + } + break; + case GGML_OP_MAP_CUSTOM1_F32: + { + ggml_custom1_op_f32_t fun; + memcpy(&fun, tensor->op_params, sizeof(fun)); + ggml_compute_forward_map_custom1_f32(params, tensor, fun); + } + break; + case GGML_OP_MAP_CUSTOM2_F32: + { + ggml_custom2_op_f32_t fun; + memcpy(&fun, tensor->op_params, sizeof(fun)); + ggml_compute_forward_map_custom2_f32(params, tensor, fun); + } + break; + case GGML_OP_MAP_CUSTOM3_F32: + { + ggml_custom3_op_f32_t fun; + memcpy(&fun, tensor->op_params, sizeof(fun)); + ggml_compute_forward_map_custom3_f32(params, tensor, fun); + } + break; + case GGML_OP_MAP_CUSTOM1: + { + ggml_compute_forward_map_custom1(params, tensor); + } + break; + case GGML_OP_MAP_CUSTOM2: + { + ggml_compute_forward_map_custom2(params, tensor); + } + break; + case GGML_OP_MAP_CUSTOM3: + { + ggml_compute_forward_map_custom3(params, tensor); + } + break; + case GGML_OP_CROSS_ENTROPY_LOSS: + { + ggml_compute_forward_cross_entropy_loss(params, tensor); + } + break; + case GGML_OP_CROSS_ENTROPY_LOSS_BACK: + { + ggml_compute_forward_cross_entropy_loss_back(params, tensor); + } + break; + case GGML_OP_NONE: + { + // nop + } break; + case GGML_OP_COUNT: + { + GGML_ASSERT(false); + } break; + } +} + +//////////////////////////////////////////////////////////////////////////////// + +static size_t ggml_hash_size(size_t min_sz) { + // next primes after powers of two + static const size_t primes[] = { + 2, 3, 5, 11, 17, 37, 67, 131, 257, 521, 1031, + 2053, 4099, 8209, 16411, 32771, 65537, 131101, + 262147, 524309, 1048583, 2097169, 4194319, 8388617, + 16777259, 33554467, 67108879, 134217757, 268435459, + 536870923, 1073741827, 2147483659 + }; + static const size_t n_primes = sizeof(primes)/sizeof(primes[0]); + + // find the smallest prime that is larger or equal to min_sz + size_t l = 0; + size_t r = n_primes; + while (l < r) { + size_t m = (l + r)/2; + if (primes[m] < min_sz) { + l = m + 1; + } else { + r = m; + } + } + size_t sz = l < n_primes ? primes[l] : min_sz | 1; + return sz; +} + +static size_t ggml_hash(const void * p) { + return (size_t)p; +} + +size_t ggml_hash_find(const struct ggml_hash_set hash_set, struct ggml_tensor * key) { + size_t h = ggml_hash(key) % hash_set.size; + + // linear probing + size_t i = h; + while (hash_set.keys[i] != NULL && hash_set.keys[i] != key) { + i = (i + 1) % hash_set.size; + if (i == h) { + // visited all hash table entries -> not found + return GGML_HASHTABLE_FULL; + } + } + return i; +} + +bool ggml_hash_contains(struct ggml_hash_set hash_set, struct ggml_tensor * key) { + size_t i = ggml_hash_find(hash_set, key); + return i != GGML_HASHTABLE_FULL && hash_set.keys[i] == key; +} + +size_t ggml_hash_insert(struct ggml_hash_set hash_set, struct ggml_tensor * key) { + size_t i = ggml_hash_find(hash_set, key); + + GGML_ASSERT(i != GGML_HASHTABLE_FULL); + + if (hash_set.keys[i] == key) { + return GGML_HASHTABLE_ALREADY_EXISTS; + } + + // insert + GGML_ASSERT(hash_set.keys[i] == NULL); + hash_set.keys[i] = key; + return i; +} + +size_t ggml_hash_find_or_insert(struct ggml_hash_set hash_set, struct ggml_tensor * key) { + size_t i = ggml_hash_find(hash_set, key); + + GGML_ASSERT(i != GGML_HASHTABLE_FULL); + + hash_set.keys[i] = key; + return i; +} + +struct ggml_hash_set ggml_hash_set_new(size_t size) { + size = ggml_hash_size(size); + struct ggml_hash_set result; + result.size = size; + result.keys = GGML_MALLOC(sizeof(struct ggml_tensor *) * size); + memset(result.keys, 0, sizeof(struct ggml_tensor *) * size); + return result; +} + +static void ggml_hash_set_free(struct ggml_hash_set hash_set) { + GGML_FREE(hash_set.keys); +} + +struct hash_map { + struct ggml_hash_set set; + struct ggml_tensor ** vals; +}; + +static struct hash_map * ggml_new_hash_map(size_t size) { + struct hash_map * result = GGML_MALLOC(sizeof(struct hash_map)); + result->set = ggml_hash_set_new(size); + result->vals = GGML_MALLOC(sizeof(struct ggml_tensor *) * result->set.size); + memset(result->vals, 0, sizeof(struct ggml_tensor *) * result->set.size); + return result; +} + +static void ggml_hash_map_free(struct hash_map * map) { + ggml_hash_set_free(map->set); + GGML_FREE(map->vals); + GGML_FREE(map); +} + +// gradient checkpointing + +static struct ggml_tensor * ggml_recompute_graph_node( + struct ggml_context * ctx, + struct ggml_cgraph * graph, + struct hash_map * replacements, + struct ggml_tensor * node) { + + if (node == NULL) { + return NULL; + } + + if (node->flags & GGML_TENSOR_FLAG_PARAM) { + return node; + } + + if (!ggml_hash_contains(graph->visited_hash_table, node)) { + return node; + } + + int count_children = 0; + for (int k = 0; k < GGML_MAX_SRC; ++k) { + if (node->src[k]) { + ++count_children; + } + } + + if (count_children == 0) { + return node; + } + + size_t i = ggml_hash_find(replacements->set, node); + GGML_ASSERT(i != GGML_HASHTABLE_FULL); // assert that not full + if (replacements->set.keys[i] == node) { + return replacements->vals[i]; + } + + struct ggml_tensor * clone = ggml_new_tensor(ctx, node->type, GGML_MAX_DIMS, node->ne); + + // insert clone into replacements + GGML_ASSERT(replacements->set.keys[i] == NULL); // assert that we don't overwrite + replacements->set.keys[i] = node; + replacements->vals[i] = clone; + + clone->op = node->op; + clone->grad = node->grad; + clone->flags = node->flags; + clone->extra = node->extra; + for (int k = 0; k < GGML_MAX_DIMS; ++k) { + clone->nb[k] = node->nb[k]; + } + for (int k = 0; k < GGML_MAX_SRC; ++k) { + clone->src[k] = ggml_recompute_graph_node(ctx, graph, replacements, node->src[k]); + } + if (node->view_src != NULL) { + clone->data = (node->view_src->data == NULL) + ? NULL // view_src not yet allocated + : (char *) node->view_src->data // view_src already allocated + + node->view_offs; + clone->view_src = node->view_src; + clone->view_offs = node->view_offs; + } + + GGML_ASSERT(sizeof(node->op_params) == sizeof(int32_t) * (GGML_MAX_OP_PARAMS / sizeof(int32_t))); + GGML_ASSERT(sizeof(node->name) == GGML_MAX_NAME); + memcpy(clone->op_params, node->op_params, sizeof(node->op_params)); + ggml_format_name(clone, "%s (clone)", ggml_get_name(node)); + + return clone; +} + +void ggml_build_backward_gradient_checkpointing( + struct ggml_context * ctx, + struct ggml_cgraph * gf, + struct ggml_cgraph * gb, + struct ggml_cgraph * gb_tmp, + struct ggml_tensor * * checkpoints, + int n_checkpoints) { + ggml_graph_cpy(gf, gb_tmp); + ggml_build_backward_expand(ctx, gf, gb_tmp, true); + + if (n_checkpoints <= 0) { + ggml_graph_cpy(gb_tmp, gb); + return; + } + + struct hash_map * replacements = ggml_new_hash_map(gf->n_nodes + gf->n_leafs + n_checkpoints); + + // insert checkpoints in replacements + for (int i = 0; i < n_checkpoints; ++i) { + size_t k = ggml_hash_find(replacements->set, checkpoints[i]); + GGML_ASSERT(k != GGML_HASHTABLE_FULL); // assert that not full + GGML_ASSERT(replacements->set.keys[k] == NULL); // assert that we don't overwrite + replacements->set.keys[k] = checkpoints[i]; + replacements->vals[k] = checkpoints[i]; + } + + ggml_graph_cpy(gf, gb); + // rewrite gb_tmp->nodes[gf->n_nodes:gb_tmp->n_nodes], + // replacing references to gb_tmp->nodes[0:gf->n_nodes] ( == gf->nodes[0:gf->n_nodes]), + // by recomputing them from checkpoints + for (int i = gf->n_nodes; i<gb_tmp->n_nodes; ++i) { + struct ggml_tensor * node = gb_tmp->nodes[i]; + for (int k = 0; k < GGML_MAX_SRC; ++k) { + // insert new tensors recomputing src, reusing already made replacements, + // remember replacements: remember new tensors with mapping from corresponding gf nodes + // recurse for input tensors, + // unless (i.e. terminating when) input tensors are replacements (like checkpoints) + node->src[k] = ggml_recompute_graph_node(ctx, gf, replacements, node->src[k]); + } + // insert rewritten backward node with replacements made into resulting backward graph gb + ggml_build_forward_expand(gb, node); + } + + ggml_hash_map_free(replacements); +} + +// functions to change gradients considering the case that input a might be initial gradient with zero value + +static struct ggml_tensor * ggml_add_or_set(struct ggml_context * ctx, struct ggml_tensor * a, struct ggml_tensor * b, struct ggml_hash_set zero_table) { + if (ggml_hash_contains(zero_table, a)) { + return b; + } else { + return ggml_add_impl(ctx, a, b, false); + } +} + +static struct ggml_tensor * ggml_acc_or_set(struct ggml_context * ctx, struct ggml_tensor * a, struct ggml_tensor * b, size_t nb1, size_t nb2, size_t nb3, size_t offset, struct ggml_hash_set zero_table) { + if (ggml_hash_contains(zero_table, a)) { + struct ggml_tensor * a_zero = ggml_scale(ctx, a, 0.0f); + return ggml_acc_impl(ctx, a_zero, b, nb1, nb2, nb3, offset, false); + } else { + return ggml_acc_impl(ctx, a, b, nb1, nb2, nb3, offset, false); + } +} + +static struct ggml_tensor * ggml_add1_or_set(struct ggml_context * ctx, struct ggml_tensor * a, struct ggml_tensor * b, struct ggml_hash_set zero_table) { + if (ggml_hash_contains(zero_table, a)) { + return ggml_repeat(ctx, b, a); + } else { + return ggml_add1_impl(ctx, a, b, false); + } +} + +static struct ggml_tensor * ggml_sub_or_set(struct ggml_context * ctx, struct ggml_tensor * a, struct ggml_tensor * b, struct ggml_hash_set zero_table) { + if (ggml_hash_contains(zero_table, a)) { + return ggml_neg(ctx, b); + } else { + return ggml_sub_impl(ctx, a, b, false); + } +} + +static void ggml_compute_backward(struct ggml_context * ctx, struct ggml_tensor * tensor, struct ggml_hash_set zero_table) { + struct ggml_tensor * src0 = tensor->src[0]; + struct ggml_tensor * src1 = tensor->src[1]; + struct ggml_tensor * src2 = tensor->src[2]; + + switch (tensor->op) { + case GGML_OP_DUP: + { + if (src0->grad) { + src0->grad = ggml_add_or_set(ctx, src0->grad, tensor->grad, zero_table); + } + } break; + case GGML_OP_ADD: + { + if (src0->grad) { + src0->grad = ggml_add_or_set(ctx, src0->grad, tensor->grad, zero_table); + } + if (src1->grad) { + src1->grad = ggml_add_or_set(ctx, src1->grad, tensor->grad, zero_table); + } + } break; + case GGML_OP_ADD1: + { + if (src0->grad) { + src0->grad = ggml_add_or_set(ctx, src0->grad, tensor->grad, zero_table); + } + if (src1->grad) { + src1->grad = ggml_add_or_set(ctx, + src1->grad, + ggml_mean(ctx, tensor->grad), // TODO: should probably be sum instead of mean + zero_table); + } + } break; + case GGML_OP_ACC: + { + if (src0->grad) { + src0->grad = ggml_add_or_set(ctx, src0->grad, tensor->grad, zero_table); + } + if (src1->grad) { + const size_t nb1 = ((int32_t *) tensor->op_params)[0]; + const size_t nb2 = ((int32_t *) tensor->op_params)[1]; + const size_t nb3 = ((int32_t *) tensor->op_params)[2]; + const size_t offset = ((int32_t *) tensor->op_params)[3]; + + struct ggml_tensor * tensor_grad_view = ggml_view_4d(ctx, + tensor->grad, + src1->grad->ne[0], + src1->grad->ne[1], + src1->grad->ne[2], + src1->grad->ne[3], + nb1, nb2, nb3, offset); + + src1->grad = + ggml_add_or_set(ctx, + src1->grad, + ggml_reshape(ctx, + ggml_cont(ctx, tensor_grad_view), + src1->grad), + zero_table); + } + } break; + case GGML_OP_SUB: + { + if (src0->grad) { + src0->grad = ggml_add_or_set(ctx, src0->grad, tensor->grad, zero_table); + } + if (src1->grad) { + src1->grad = ggml_sub_or_set(ctx, src1->grad, tensor->grad, zero_table); + } + } break; + case GGML_OP_MUL: + { + if (src0->grad) { + src0->grad = + ggml_add_or_set(ctx, + src0->grad, + ggml_mul(ctx, src1, tensor->grad), + zero_table); + } + if (src1->grad) { + src1->grad = + ggml_add_or_set(ctx, + src1->grad, + ggml_mul(ctx, src0, tensor->grad), + zero_table); + } + } break; + case GGML_OP_DIV: + { + if (src0->grad) { + src0->grad = + ggml_add_or_set(ctx, + src0->grad, + ggml_div(ctx, tensor->grad, src1), + zero_table); + } + if (src1->grad) { + src1->grad = + ggml_sub_or_set(ctx, + src1->grad, + ggml_mul(ctx, + tensor->grad, + ggml_div(ctx, tensor, src1)), + zero_table); + } + } break; + case GGML_OP_SQR: + { + if (src0->grad) { + src0->grad = + ggml_add_or_set(ctx, + src0->grad, + ggml_scale(ctx, + ggml_mul(ctx, src0, tensor->grad), + 2.0f), + zero_table); + } + } break; + case GGML_OP_SQRT: + { + if (src0->grad) { + src0->grad = + ggml_add_or_set(ctx, + src0->grad, + ggml_scale(ctx, + ggml_div(ctx, + tensor->grad, + tensor), + 0.5f), + zero_table); + } + } break; + case GGML_OP_LOG: + { + if (src0->grad) { + src0->grad = + ggml_add_or_set(ctx, + src0->grad, + ggml_div(ctx, + tensor->grad, + src0), + zero_table); + } + } break; + case GGML_OP_SUM: + { + if (src0->grad) { + src0->grad = + ggml_add1_or_set(ctx, + src0->grad, + tensor->grad, + zero_table); + } + } break; + case GGML_OP_SUM_ROWS: + { + if (src0->grad) { + src0->grad = + ggml_add_or_set(ctx, + src0->grad, + ggml_repeat(ctx, + tensor->grad, + src0->grad), + zero_table); + } + } break; + case GGML_OP_MEAN: + case GGML_OP_ARGMAX: + { + GGML_ASSERT(false); // TODO: implement + } break; + case GGML_OP_REPEAT: + { + // necessary for llama + if (src0->grad) { + src0->grad = ggml_add_or_set(ctx, + src0->grad, + ggml_repeat_back(ctx, tensor->grad, src0->grad), + zero_table); + } + } break; + case GGML_OP_REPEAT_BACK: + { + if (src0->grad) { + // TODO: test this + src0->grad = ggml_add_or_set(ctx, + src0->grad, + ggml_repeat(ctx, tensor->grad, src0->grad), + zero_table); + } + } break; + case GGML_OP_CONCAT: + { + GGML_ASSERT(false); // TODO: implement + } break; + case GGML_OP_SILU_BACK: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_NORM: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_RMS_NORM: + { + // necessary for llama + if (src0->grad) { + float eps; + memcpy(&eps, tensor->op_params, sizeof(float)); + + src0->grad = ggml_add_or_set(ctx, + src0->grad, + ggml_rms_norm_back(ctx, src0, tensor->grad, eps), + zero_table); + } + } break; + case GGML_OP_RMS_NORM_BACK: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_GROUP_NORM: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_MUL_MAT: + { + // https://cs231n.github.io/optimization-2/#staged + // # forward pass + // s0 = np.random.randn(5, 10) + // s1 = np.random.randn(10, 3) + // t = s0.dot(s1) + + // # now suppose we had the gradient on t from above in the circuit + // dt = np.random.randn(*t.shape) # same shape as t + // ds0 = dt.dot(s1.T) #.T gives the transpose of the matrix + // ds1 = t.T.dot(dt) + + // tensor.shape [m,p,qq,rr] + // src0.shape [n,m,q1,r1] + // src1.shape [n,p,qq,rr] + + // necessary for llama + if (src0->grad) { + struct ggml_tensor * s1_tg = + ggml_out_prod(ctx, // [n,m,qq,rr] + src1, // [n,p,qq,rr] + tensor->grad); // [m,p,qq,rr] + const int64_t qq = s1_tg->ne[2]; + const int64_t rr = s1_tg->ne[3]; + const int64_t q1 = src0->ne[2]; + const int64_t r1 = src0->ne[3]; + const bool ne2_broadcasted = qq > q1; + const bool ne3_broadcasted = rr > r1; + if (ne2_broadcasted || ne3_broadcasted) { + // sum broadcast repetitions of s1_tg into shape of src0 + s1_tg = ggml_repeat_back(ctx, s1_tg, src0); + } + src0->grad = + ggml_add_or_set(ctx, + src0->grad, // [n,m,q1,r1] + s1_tg, // [n,m,q1,r1] + zero_table); + } + if (src1->grad) { + src1->grad = + ggml_add_or_set(ctx, + src1->grad, // [n,p,qq,rr] + // ggml_mul_mat(ctx, // [n,p,qq,rr] + // ggml_cont(ctx, // [m,n,q1,r1] + // ggml_transpose(ctx, src0)), // [m,n,q1,r1] + // tensor->grad), // [m,p,qq,rr] + + // // when src0 is bigger than tensor->grad (this is mostly the case in llama), + // // avoid transpose of src0, rather transpose smaller tensor->grad + // // and then use ggml_out_prod + ggml_out_prod(ctx, // [n,p,qq,rr] + src0, // [n,m,q1,r1] + ggml_transpose(ctx, // [p,m,qq,rr] + tensor->grad)), // [m,p,qq,rr] + zero_table); + } + } break; + case GGML_OP_MUL_MAT_ID: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_OUT_PROD: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_SCALE: + { + // necessary for llama + if (src0->grad) { + float s; + memcpy(&s, tensor->op_params, sizeof(float)); + + src0->grad = + ggml_add_or_set(ctx, + src0->grad, + ggml_scale_impl(ctx, tensor->grad, s, false), + zero_table); + } + } break; + case GGML_OP_SET: + { + const size_t nb1 = ((int32_t *) tensor->op_params)[0]; + const size_t nb2 = ((int32_t *) tensor->op_params)[1]; + const size_t nb3 = ((int32_t *) tensor->op_params)[2]; + const size_t offset = ((int32_t *) tensor->op_params)[3]; + + struct ggml_tensor * tensor_grad_view = NULL; + + if (src0->grad || src1->grad) { + GGML_ASSERT(src0->type == tensor->type); + GGML_ASSERT(tensor->grad->type == tensor->type); + GGML_ASSERT(tensor->grad->type == src1->grad->type); + + tensor_grad_view = ggml_view_4d(ctx, + tensor->grad, + src1->grad->ne[0], + src1->grad->ne[1], + src1->grad->ne[2], + src1->grad->ne[3], + nb1, nb2, nb3, offset); + } + + if (src0->grad) { + src0->grad = ggml_add_or_set(ctx, + src0->grad, + ggml_acc_impl(ctx, + tensor->grad, + ggml_neg(ctx, tensor_grad_view), + nb1, nb2, nb3, offset, false), + zero_table); + } + + if (src1->grad) { + src1->grad = + ggml_add_or_set(ctx, + src1->grad, + ggml_reshape(ctx, + ggml_cont(ctx, tensor_grad_view), + src1->grad), + zero_table); + } + } break; + case GGML_OP_CPY: + { + // necessary for llama + // cpy overwrites value of src1 by src0 and returns view(src1) + // the overwriting is mathematically equivalent to: + // tensor = src0 * 1 + src1 * 0 + if (src0->grad) { + // dsrc0 = dtensor * 1 + src0->grad = ggml_add_or_set(ctx, src0->grad, tensor->grad, zero_table); + } + if (src1->grad) { + // dsrc1 = dtensor * 0 -> noop + } + } break; + case GGML_OP_CONT: + { + // same as cpy + if (src0->grad) { + GGML_ASSERT(ggml_is_contiguous(src0->grad)); + GGML_ASSERT(ggml_is_contiguous(tensor->grad)); + src0->grad = ggml_add_or_set(ctx, src0->grad, tensor->grad, zero_table); + } + } break; + case GGML_OP_RESHAPE: + { + // necessary for llama + if (src0->grad) { + src0->grad = + ggml_add_or_set(ctx, src0->grad, + ggml_reshape(ctx, + ggml_is_contiguous(tensor->grad) + ? tensor->grad + : ggml_cont(ctx, tensor->grad), + src0->grad), + zero_table); + } + } break; + case GGML_OP_VIEW: + { + // necessary for llama + if (src0->grad) { + size_t offset; + + memcpy(&offset, tensor->op_params, sizeof(offset)); + + size_t nb1 = tensor->nb[1]; + size_t nb2 = tensor->nb[2]; + size_t nb3 = tensor->nb[3]; + + if (src0->type != src0->grad->type) { + // gradient is typically F32, but src0 could be other type + size_t ng = ggml_element_size(src0->grad); + size_t n0 = ggml_element_size(src0); + GGML_ASSERT(offset % n0 == 0); + GGML_ASSERT(nb1 % n0 == 0); + GGML_ASSERT(nb2 % n0 == 0); + GGML_ASSERT(nb3 % n0 == 0); + offset = (offset / n0) * ng; + nb1 = (nb1 / n0) * ng; + nb2 = (nb2 / n0) * ng; + nb3 = (nb3 / n0) * ng; + } + + src0->grad = ggml_acc_or_set(ctx, src0->grad, tensor->grad, nb1, nb2, nb3, offset, zero_table); + } + } break; + case GGML_OP_PERMUTE: + { + // necessary for llama + if (src0->grad) { + int32_t * axes = (int32_t *) tensor->op_params; + int axis0 = axes[0] & 0x3; + int axis1 = axes[1] & 0x3; + int axis2 = axes[2] & 0x3; + int axis3 = axes[3] & 0x3; + int axes_backward[4] = {0,0,0,0}; + axes_backward[axis0] = 0; + axes_backward[axis1] = 1; + axes_backward[axis2] = 2; + axes_backward[axis3] = 3; + src0->grad = + ggml_add_or_set(ctx, src0->grad, + ggml_permute(ctx, + tensor->grad, + axes_backward[0], + axes_backward[1], + axes_backward[2], + axes_backward[3]), + zero_table); + } + } break; + case GGML_OP_TRANSPOSE: + { + // necessary for llama + if (src0->grad) { + src0->grad = + ggml_add_or_set(ctx, src0->grad, + ggml_transpose(ctx, tensor->grad), + zero_table); + } + } break; + case GGML_OP_GET_ROWS: + { + // necessary for llama (only for tokenizer) + if (src0->grad) { + src0->grad = + ggml_add_or_set(ctx, src0->grad, + // last ggml_get_rows_back argument src0->grad is only + // necessary to setup correct output shape + ggml_get_rows_back(ctx, tensor->grad, src1, src0->grad), + zero_table); + } + if (src1->grad) { + // noop + } + } break; + case GGML_OP_GET_ROWS_BACK: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_DIAG: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_DIAG_MASK_INF: + { + // necessary for llama + if (src0->grad) { + const int n_past = ((int32_t *) tensor->op_params)[0]; + src0->grad = + ggml_add_or_set(ctx, src0->grad, + /* ggml_diag_mask_inf_impl() shouldn't be here */ + /* ref: https://github.com/ggerganov/llama.cpp/pull/4203#discussion_r1412377992 */ + ggml_diag_mask_zero_impl(ctx, tensor->grad, n_past, false), + zero_table); + } + } break; + case GGML_OP_DIAG_MASK_ZERO: + { + // necessary for llama + if (src0->grad) { + const int n_past = ((int32_t *) tensor->op_params)[0]; + src0->grad = + ggml_add_or_set(ctx, src0->grad, + ggml_diag_mask_zero_impl(ctx, tensor->grad, n_past, false), + zero_table); + } + } break; + case GGML_OP_SOFT_MAX: + { + // necessary for llama + if (src0->grad) { + src0->grad = + ggml_add_or_set(ctx, src0->grad, + ggml_soft_max_back(ctx, tensor->grad, tensor), + zero_table); + } + + } break; + case GGML_OP_SOFT_MAX_BACK: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_ROPE: + { + // necessary for llama + if (src0->grad) { + //const int n_past = ((int32_t *) tensor->op_params)[0]; + const int n_dims = ((int32_t *) tensor->op_params)[1]; + const int mode = ((int32_t *) tensor->op_params)[2]; + //const int n_ctx = ((int32_t *) tensor->op_params)[3]; + const int n_ctx_orig = ((int32_t *) tensor->op_params)[4]; + float freq_base, freq_scale, ext_factor, attn_factor, beta_fast, beta_slow; + + memcpy(&freq_base, (int32_t *) tensor->op_params + 5, sizeof(float)); + memcpy(&freq_scale, (int32_t *) tensor->op_params + 6, sizeof(float)); + memcpy(&ext_factor, (int32_t *) tensor->op_params + 7, sizeof(float)); + memcpy(&attn_factor, (int32_t *) tensor->op_params + 8, sizeof(float)); + memcpy(&beta_fast, (int32_t *) tensor->op_params + 9, sizeof(float)); + memcpy(&beta_slow, (int32_t *) tensor->op_params + 10, sizeof(float)); + + src0->grad = ggml_add_or_set(ctx, + src0->grad, + ggml_rope_back(ctx, + tensor->grad, + src1, + src2, + n_dims, + mode, + n_ctx_orig, + freq_base, + freq_scale, + ext_factor, + attn_factor, + beta_fast, + beta_slow), + zero_table); + } + } break; + case GGML_OP_ROPE_BACK: + { + if (src0->grad) { + //const int n_past = ((int32_t *) tensor->op_params)[0]; + const int n_dims = ((int32_t *) tensor->op_params)[1]; + const int mode = ((int32_t *) tensor->op_params)[2]; + //const int n_ctx = ((int32_t *) tensor->op_params)[3]; + const int n_ctx_orig = ((int32_t *) tensor->op_params)[4]; + float freq_base, freq_scale, ext_factor, attn_factor, beta_fast, beta_slow; + + memcpy(&freq_base, (int32_t *) tensor->op_params + 5, sizeof(float)); + memcpy(&freq_scale, (int32_t *) tensor->op_params + 6, sizeof(float)); + memcpy(&ext_factor, (int32_t *) tensor->op_params + 7, sizeof(float)); + memcpy(&attn_factor, (int32_t *) tensor->op_params + 8, sizeof(float)); + memcpy(&beta_fast, (int32_t *) tensor->op_params + 9, sizeof(float)); + memcpy(&beta_slow, (int32_t *) tensor->op_params + 10, sizeof(float)); + + src0->grad = ggml_add_or_set(ctx, + src0->grad, + ggml_rope_impl(ctx, + tensor->grad, + src1, + src2, + n_dims, + mode, + n_ctx_orig, + freq_base, + freq_scale, + ext_factor, + attn_factor, + beta_fast, + beta_slow, + false), + zero_table); + } + } break; + case GGML_OP_CLAMP: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_CONV_TRANSPOSE_1D: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_IM2COL: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_CONV_TRANSPOSE_2D: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_POOL_1D: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_POOL_2D: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_UPSCALE: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_PAD: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_ARANGE: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_TIMESTEP_EMBEDDING: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_ARGSORT: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_LEAKY_RELU: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_FLASH_ATTN_EXT: + { + struct ggml_tensor * flash_grad = NULL; + if (src0->grad || src1->grad || tensor->src[2]->grad) { + int32_t t = ggml_get_op_params_i32(tensor, 0); + GGML_ASSERT(t == 0 || t == 1); + bool masked = t != 0; + flash_grad = + ggml_flash_attn_back(ctx, + src0, + src1, + tensor->src[2], + tensor->grad, + masked); + } + + const int64_t elem_q = ggml_nelements(src0); + const int64_t elem_k = ggml_nelements(src1); + const int64_t elem_v = ggml_nelements(src2); + + enum ggml_type result_type = flash_grad->type; + GGML_ASSERT(ggml_blck_size(result_type) == 1); + const size_t tsize = ggml_type_size(result_type); + + const size_t offs_q = 0; + const size_t offs_k = offs_q + GGML_PAD(elem_q * tsize, GGML_MEM_ALIGN); + const size_t offs_v = offs_k + GGML_PAD(elem_k * tsize, GGML_MEM_ALIGN); + + if (src0->grad) { + struct ggml_tensor * view_q = ggml_view_1d(ctx, flash_grad, elem_q, offs_q); + struct ggml_tensor * grad_q = ggml_reshape(ctx, view_q, src0); + src0->grad = ggml_add_or_set(ctx, + src0->grad, + grad_q, + zero_table); + } + if (src1->grad) { + struct ggml_tensor * view_k = ggml_view_1d(ctx, flash_grad, elem_k, offs_k); + struct ggml_tensor * grad_k = ggml_reshape(ctx, view_k, src1); + src1->grad = ggml_add_or_set(ctx, + src1->grad, + grad_k, + zero_table); + } + if (src2->grad) { + struct ggml_tensor * view_v = ggml_view_1d(ctx, flash_grad, elem_v, offs_v); + struct ggml_tensor * grad_v = ggml_reshape(ctx, view_v, src2); + src2->grad = ggml_add_or_set(ctx, + src2->grad, + grad_v, + zero_table); + } + } break; + case GGML_OP_FLASH_ATTN_BACK: + { + GGML_ASSERT(false); // not supported + } break; + case GGML_OP_SSM_CONV: + case GGML_OP_SSM_SCAN: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_OP_WIN_PART: + case GGML_OP_WIN_UNPART: + case GGML_OP_UNARY: + { + switch (ggml_get_unary_op(tensor)) { + case GGML_UNARY_OP_ABS: + { + if (src0->grad) { + src0->grad = + ggml_add_or_set(ctx, + src0->grad, + ggml_mul(ctx, + ggml_sgn(ctx, src0), + tensor->grad), + zero_table); + } + } break; + case GGML_UNARY_OP_SGN: + { + if (src0->grad) { + // noop + } + } break; + case GGML_UNARY_OP_NEG: + { + if (src0->grad) { + src0->grad = ggml_sub_or_set(ctx, src0->grad, tensor->grad, zero_table); + } + } break; + case GGML_UNARY_OP_STEP: + { + if (src0->grad) { + // noop + } + } break; + case GGML_UNARY_OP_TANH: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_UNARY_OP_ELU: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_UNARY_OP_RELU: + { + if (src0->grad) { + src0->grad = ggml_add_or_set(ctx, + src0->grad, + ggml_mul(ctx, + ggml_step(ctx, src0), + tensor->grad), + zero_table); + } + } break; + case GGML_UNARY_OP_SIGMOID: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_UNARY_OP_GELU: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_UNARY_OP_GELU_QUICK: + { + GGML_ASSERT(false); // TODO: not implemented + } break; + case GGML_UNARY_OP_SILU: + { + // necessary for llama + if (src0->grad) { + src0->grad = ggml_add_or_set(ctx, + src0->grad, + ggml_silu_back(ctx, src0, tensor->grad), + zero_table); + } + } break; + default: + GGML_ASSERT(false); + } + } break; + case GGML_OP_GET_REL_POS: + case GGML_OP_ADD_REL_POS: + case GGML_OP_MAP_UNARY: + case GGML_OP_MAP_BINARY: + case GGML_OP_MAP_CUSTOM1_F32: + case GGML_OP_MAP_CUSTOM2_F32: + case GGML_OP_MAP_CUSTOM3_F32: + case GGML_OP_MAP_CUSTOM1: + case GGML_OP_MAP_CUSTOM2: + case GGML_OP_MAP_CUSTOM3: + { + GGML_ASSERT(false); // not supported + } break; + case GGML_OP_CROSS_ENTROPY_LOSS: + { + if (src0->grad) { + src0->grad = ggml_add_or_set(ctx, + src0->grad, + ggml_cross_entropy_loss_back(ctx, + src0, + src1, + tensor->grad), + zero_table); + } + } break; + case GGML_OP_CROSS_ENTROPY_LOSS_BACK: + { + GGML_ASSERT(false); // not supported + } break; + case GGML_OP_NONE: + { + // nop + } break; + case GGML_OP_COUNT: + { + GGML_ASSERT(false); + } break; + } + + for (int i = 0; i < GGML_MAX_SRC; ++i) { + if (tensor->src[i] && tensor->src[i]->grad) { + GGML_ASSERT(ggml_are_same_shape(tensor->src[i], tensor->src[i]->grad)); + } + } +} + +static void ggml_visit_parents(struct ggml_cgraph * cgraph, struct ggml_tensor * node) { + if (node->grad == NULL) { + // this usually happens when we generate intermediate nodes from constants in the backward pass + // it can also happen during forward pass, if the user performs computations with constants + if (node->op != GGML_OP_NONE) { + //GGML_PRINT_DEBUG("%s: warning: node %p has no grad, but op %d\n", __func__, (void *) node, node->op); + } + } + + // check if already visited + if (ggml_hash_insert(cgraph->visited_hash_table, node) == GGML_HASHTABLE_ALREADY_EXISTS) { + return; + } + + for (int i = 0; i < GGML_MAX_SRC; ++i) { + const int k = + (cgraph->order == GGML_CGRAPH_EVAL_ORDER_LEFT_TO_RIGHT) ? i : + (cgraph->order == GGML_CGRAPH_EVAL_ORDER_RIGHT_TO_LEFT) ? (GGML_MAX_SRC-1-i) : + /* unknown order, just fall back to using i*/ i; + if (node->src[k]) { + ggml_visit_parents(cgraph, node->src[k]); + } + } + + if (node->op == GGML_OP_NONE && node->grad == NULL) { + // reached a leaf node, not part of the gradient graph (e.g. a constant) + GGML_ASSERT(cgraph->n_leafs < cgraph->size); + + if (strlen(node->name) == 0) { + ggml_format_name(node, "leaf_%d", cgraph->n_leafs); + } + + cgraph->leafs[cgraph->n_leafs] = node; + cgraph->n_leafs++; + } else { + GGML_ASSERT(cgraph->n_nodes < cgraph->size); + + if (strlen(node->name) == 0) { + ggml_format_name(node, "node_%d", cgraph->n_nodes); + } + + cgraph->nodes[cgraph->n_nodes] = node; + if (cgraph->grads) { + cgraph->grads[cgraph->n_nodes] = node->grad; + } + cgraph->n_nodes++; + } +} + +static void ggml_build_forward_impl(struct ggml_cgraph * cgraph, struct ggml_tensor * tensor, bool expand) { + if (!expand) { + // TODO: this branch isn't accessible anymore, maybe move this to ggml_build_forward_expand + ggml_graph_clear(cgraph); + } + + const int n0 = cgraph->n_nodes; + UNUSED(n0); + + ggml_visit_parents(cgraph, tensor); + + const int n_new = cgraph->n_nodes - n0; + GGML_PRINT_DEBUG("%s: visited %d new nodes\n", __func__, n_new); + + if (n_new > 0) { + // the last added node should always be starting point + GGML_ASSERT(cgraph->nodes[cgraph->n_nodes - 1] == tensor); + } +} + +void ggml_build_forward_expand(struct ggml_cgraph * cgraph, struct ggml_tensor * tensor) { + ggml_build_forward_impl(cgraph, tensor, true); +} + +void ggml_build_backward_expand(struct ggml_context * ctx, struct ggml_cgraph * gf, struct ggml_cgraph * gb, bool keep) { + GGML_ASSERT(gf->n_nodes > 0); + + // if we are keeping the gradient graph, we have to detach the gradient nodes from the original graph + if (keep) { + for (int i = 0; i < gf->n_nodes; i++) { + struct ggml_tensor * node = gf->nodes[i]; + + if (node->grad) { + node->grad = ggml_dup_tensor(ctx, node); + gf->grads[i] = node->grad; + } + } + } + + // remember original gradients which start with zero values + struct ggml_hash_set zero_table = ggml_hash_set_new(gf->size); + for (int i = 0; i < gf->n_nodes; i++) { + if (gf->grads[i]) { + ggml_hash_insert(zero_table, gf->grads[i]); + } + } + + for (int i = gf->n_nodes - 1; i >= 0; i--) { + struct ggml_tensor * node = gf->nodes[i]; + + // inplace operations to add gradients are not created by ggml_compute_backward + // use allocator to automatically make inplace operations + if (node->grad) { + ggml_compute_backward(ctx, node, zero_table); + } + } + + for (int i = 0; i < gf->n_nodes; i++) { + struct ggml_tensor * node = gf->nodes[i]; + + if (node->flags & GGML_TENSOR_FLAG_PARAM) { + GGML_PRINT_DEBUG("%s: found root node %p\n", __func__, (void *) node); + ggml_build_forward_expand(gb, node->grad); + } + } + + ggml_hash_set_free(zero_table); +} + +static size_t ggml_graph_nbytes(size_t size, bool grads) { + size_t nbytes = sizeof(struct ggml_cgraph); + nbytes += size * sizeof(struct ggml_tensor *) * 2; // leafs + nodes + if (grads) { + nbytes += size * sizeof(struct ggml_tensor *); // grads + } + nbytes += ggml_hash_size(size * 2) * sizeof(struct ggml_tensor *); // hash set + return nbytes; +} + +size_t ggml_graph_overhead_custom(size_t size, bool grads) { + return GGML_OBJECT_SIZE + GGML_PAD(ggml_graph_nbytes(size, grads), GGML_MEM_ALIGN); +} + +size_t ggml_graph_overhead(void) { + return ggml_graph_overhead_custom(GGML_DEFAULT_GRAPH_SIZE, false); +} + +struct ggml_cgraph * ggml_new_graph_custom(struct ggml_context * ctx, size_t size, bool grads) { + const size_t obj_size = ggml_graph_nbytes(size, grads); + struct ggml_object * obj = ggml_new_object(ctx, GGML_OBJECT_TYPE_GRAPH, obj_size); + struct ggml_cgraph * cgraph = (struct ggml_cgraph *) ((char *) ctx->mem_buffer + obj->offs); + + struct ggml_tensor ** data_start = (struct ggml_tensor **) (cgraph + 1); + + size_t hash_size = ggml_hash_size(size * 2); + struct ggml_tensor ** nodes_ptr = data_start; + struct ggml_tensor ** leafs_ptr = nodes_ptr + size; + struct ggml_tensor ** hash_keys_ptr = leafs_ptr + size; + struct ggml_tensor ** grads_ptr = grads ? hash_keys_ptr + hash_size : NULL; + + // check that we allocated the correct amount of memory + assert(obj_size == (size_t) ( + (grads ? (char *)(grads_ptr + size) : (char *)(hash_keys_ptr + hash_size)) - (char *)cgraph)); + + memset(hash_keys_ptr, 0, hash_size * sizeof(struct ggml_tensor *)); + + *cgraph = (struct ggml_cgraph) { + /*.size =*/ size, + /*.n_nodes =*/ 0, + /*.n_leafs =*/ 0, + /*.nodes =*/ nodes_ptr, + /*.grads =*/ grads_ptr, + /*.leafs =*/ leafs_ptr, + /*.hash_table =*/ { hash_size, hash_keys_ptr }, + /*.order =*/ GGML_CGRAPH_EVAL_ORDER_LEFT_TO_RIGHT, + }; + + return cgraph; +} + +struct ggml_cgraph * ggml_new_graph(struct ggml_context * ctx) { + return ggml_new_graph_custom(ctx, GGML_DEFAULT_GRAPH_SIZE, false); +} + +struct ggml_cgraph ggml_graph_view(struct ggml_cgraph * cgraph0, int i0, int i1) { + struct ggml_cgraph cgraph = { + /*.size =*/ 0, + /*.n_nodes =*/ i1 - i0, + /*.n_leafs =*/ 0, + /*.nodes =*/ cgraph0->nodes + i0, + /*.grads =*/ cgraph0->grads ? cgraph0->grads + i0 : NULL, + /*.leafs =*/ NULL, + /*.hash_table =*/ { 0, NULL }, + /*.order =*/ cgraph0->order, + }; + + return cgraph; +} + +void ggml_graph_cpy(struct ggml_cgraph * src, struct ggml_cgraph * dst) { + GGML_ASSERT(dst->size >= src->n_leafs); + GGML_ASSERT(dst->size >= src->n_nodes); + GGML_ASSERT(dst->visited_hash_table.size >= src->visited_hash_table.size); + + dst->n_leafs = src->n_leafs; + dst->n_nodes = src->n_nodes; + dst->order = src->order; + + for (int i = 0; i < src->n_leafs; ++i) { + dst->leafs[i] = src->leafs[i]; + } + + for (int i = 0; i < src->n_nodes; ++i) { + dst->nodes[i] = src->nodes[i]; + } + + if (src->grads) { + GGML_ASSERT(dst->grads != NULL); + for (int i = 0; i < src->n_nodes; ++i) { + dst->grads[i] = src->grads[i]; + } + } + + for (size_t i = 0; i < src->visited_hash_table.size; ++i) { + if (src->visited_hash_table.keys[i]) { + ggml_hash_insert(dst->visited_hash_table, src->visited_hash_table.keys[i]); + } + } +} + +struct ggml_cgraph * ggml_graph_dup(struct ggml_context * ctx, struct ggml_cgraph * cgraph) { + struct ggml_cgraph * result = ggml_new_graph_custom(ctx, cgraph->size, cgraph->grads != NULL); + ggml_graph_cpy(cgraph, result); + return result; +} + +void ggml_graph_reset(struct ggml_cgraph * cgraph) { + GGML_ASSERT(cgraph->grads != NULL); + + for (int i = 0; i < cgraph->n_nodes; i++) { + struct ggml_tensor * grad = cgraph->grads[i]; + + if (grad) { + ggml_set_zero(grad); + } + } +} + +void ggml_graph_clear(struct ggml_cgraph * cgraph) { + cgraph->n_leafs = 0; + cgraph->n_nodes = 0; + memset(cgraph->visited_hash_table.keys, 0, cgraph->visited_hash_table.size * sizeof(struct ggml_tensor *)); +} + +// +// thread data +// +// synchronization is done via busy loops +// I tried using spin locks, but not sure how to use them correctly - the things I tried were slower than busy loops +// + +#ifdef __APPLE__ + +//#include <os/lock.h> +// +//typedef os_unfair_lock ggml_lock_t; +// +//#define ggml_lock_init(x) UNUSED(x) +//#define ggml_lock_destroy(x) UNUSED(x) +//#define ggml_lock_lock os_unfair_lock_lock +//#define ggml_lock_unlock os_unfair_lock_unlock +// +//#define GGML_LOCK_INITIALIZER OS_UNFAIR_LOCK_INIT + +typedef int ggml_lock_t; + +#define ggml_lock_init(x) UNUSED(x) +#define ggml_lock_destroy(x) UNUSED(x) +#define ggml_lock_lock(x) UNUSED(x) +#define ggml_lock_unlock(x) UNUSED(x) + +#define GGML_LOCK_INITIALIZER 0 + +#define ggml_thread_create pthread_create +#define ggml_thread_join pthread_join + +#else + +//typedef pthread_spinlock_t ggml_lock_t; + +//#define ggml_lock_init(x) pthread_spin_init(x, PTHREAD_PROCESS_PRIVATE) +//#define ggml_lock_destroy pthread_spin_destroy +//#define ggml_lock_lock pthread_spin_lock +//#define ggml_lock_unlock pthread_spin_unlock + +typedef int ggml_lock_t; + +#define ggml_lock_init(x) UNUSED(x) +#define ggml_lock_destroy(x) UNUSED(x) +#if defined(__x86_64__) || (defined(_MSC_VER) && defined(_M_AMD64)) +#define ggml_lock_lock(x) _mm_pause() +#else +#define ggml_lock_lock(x) UNUSED(x) +#endif +#define ggml_lock_unlock(x) UNUSED(x) + +#define GGML_LOCK_INITIALIZER 0 + +#define ggml_thread_create pthread_create +#define ggml_thread_join pthread_join + +#endif + +// Android's libc implementation "bionic" does not support setting affinity +#if defined(__gnu_linux__) +static void set_numa_thread_affinity(int thread_n) { + if (!ggml_is_numa()) { + return; + } + + int node_num; + int rv; + size_t setsize = CPU_ALLOC_SIZE(g_state.numa.total_cpus); + + switch(g_state.numa.numa_strategy) { + case GGML_NUMA_STRATEGY_DISTRIBUTE: + // run thread on node_num thread_n / (threads per node) + node_num = thread_n % g_state.numa.n_nodes; + break; + case GGML_NUMA_STRATEGY_ISOLATE: + // run thread on current_node + node_num = g_state.numa.current_node; + break; + case GGML_NUMA_STRATEGY_NUMACTL: + // use the cpuset that numactl gave us + rv = pthread_setaffinity_np(pthread_self(), setsize, &g_state.numa.cpuset); + if (rv) { + fprintf(stderr, "warning: pthread_setaffinity_np() failed: %s\n",strerror(rv)); + } + return; + default: + return; + } + + struct ggml_numa_node * node = &g_state.numa.nodes[node_num]; + + cpu_set_t * cpus = CPU_ALLOC(g_state.numa.total_cpus); + CPU_ZERO_S(setsize, cpus); + for (size_t i = 0; i < node->n_cpus; ++i) { + CPU_SET_S(node->cpus[i], setsize, cpus); + } + + rv = pthread_setaffinity_np(pthread_self(), setsize, cpus); + if (rv) { + fprintf(stderr, "warning: pthread_setaffinity_np() failed: %s\n", strerror(rv)); + } + + CPU_FREE(cpus); +} + +static void clear_numa_thread_affinity(void) { + if (!ggml_is_numa()) { + return; + } + + size_t setsize = CPU_ALLOC_SIZE(g_state.numa.total_cpus); + + cpu_set_t * cpus = CPU_ALLOC(g_state.numa.total_cpus); + CPU_ZERO_S(setsize, cpus); + for (unsigned i = 0; i < g_state.numa.total_cpus; ++i) { + CPU_SET_S(i, setsize, cpus); + } + + int rv = pthread_setaffinity_np(pthread_self(), setsize, cpus); + if (rv) { + fprintf(stderr, "warning: pthread_setaffinity_np() failed: %s\n", strerror(rv)); + } + + CPU_FREE(cpus); +} +#else +// TODO: Windows etc. +// (the linux implementation may also work on BSD, someone should test) +static void set_numa_thread_affinity(int thread_n) { UNUSED(thread_n); } +static void clear_numa_thread_affinity(void) {} +#endif + +static int ggml_get_n_tasks(struct ggml_tensor * node, int n_threads) { + int n_tasks = 0; + + if (ggml_is_empty(node)) { + // no need to multi-thread a no-op + n_tasks = 1; + return n_tasks; + } + + switch (node->op) { + case GGML_OP_CPY: + case GGML_OP_DUP: + case GGML_OP_CONT: + case GGML_OP_ADD: + case GGML_OP_ADD1: + case GGML_OP_ACC: + { + n_tasks = n_threads; + } break; + case GGML_OP_SUB: + case GGML_OP_SQR: + case GGML_OP_SQRT: + case GGML_OP_LOG: + case GGML_OP_SUM: + case GGML_OP_SUM_ROWS: + case GGML_OP_MEAN: + case GGML_OP_ARGMAX: + case GGML_OP_REPEAT: + case GGML_OP_REPEAT_BACK: + case GGML_OP_LEAKY_RELU: + { + n_tasks = 1; + } break; + case GGML_OP_UNARY: + switch (ggml_get_unary_op(node)) { + case GGML_UNARY_OP_ABS: + case GGML_UNARY_OP_SGN: + case GGML_UNARY_OP_NEG: + case GGML_UNARY_OP_STEP: + case GGML_UNARY_OP_TANH: + case GGML_UNARY_OP_ELU: + case GGML_UNARY_OP_RELU: + case GGML_UNARY_OP_SIGMOID: + case GGML_UNARY_OP_HARDSWISH: + case GGML_UNARY_OP_HARDSIGMOID: + { + n_tasks = 1; + } break; + + case GGML_UNARY_OP_GELU: + case GGML_UNARY_OP_GELU_QUICK: + case GGML_UNARY_OP_SILU: + { + n_tasks = n_threads; + } break; + default: + GGML_ASSERT(false); + } + break; + case GGML_OP_SILU_BACK: + case GGML_OP_MUL: + case GGML_OP_DIV: + case GGML_OP_NORM: + case GGML_OP_RMS_NORM: + case GGML_OP_RMS_NORM_BACK: + case GGML_OP_GROUP_NORM: + case GGML_OP_CONCAT: + case GGML_OP_MUL_MAT: + case GGML_OP_MUL_MAT_ID: + case GGML_OP_OUT_PROD: + { + n_tasks = n_threads; + } break; + case GGML_OP_GET_ROWS: + { + // FIXME: get_rows can use additional threads, but the cost of launching additional threads + // decreases performance with GPU offloading + //n_tasks = n_threads; + n_tasks = 1; + } break; + case GGML_OP_SET: + case GGML_OP_RESHAPE: + case GGML_OP_VIEW: + case GGML_OP_PERMUTE: + case GGML_OP_TRANSPOSE: + case GGML_OP_GET_ROWS_BACK: + case GGML_OP_DIAG: + { + n_tasks = 1; + } break; + case GGML_OP_DIAG_MASK_ZERO: + case GGML_OP_DIAG_MASK_INF: + case GGML_OP_SOFT_MAX_BACK: + case GGML_OP_ROPE: + case GGML_OP_ROPE_BACK: + case GGML_OP_ADD_REL_POS: + { + n_tasks = n_threads; + } break; + case GGML_OP_CLAMP: + { + n_tasks = 1; //TODO + } break; + case GGML_OP_SCALE: + case GGML_OP_SOFT_MAX: + { + n_tasks = MIN(n_threads, ggml_nrows(node->src[0])); + } break; + case GGML_OP_IM2COL: + case GGML_OP_CONV_TRANSPOSE_1D: + case GGML_OP_CONV_TRANSPOSE_2D: + { + n_tasks = n_threads; + } break; + case GGML_OP_POOL_1D: + case GGML_OP_POOL_2D: + { + n_tasks = 1; + } break; + case GGML_OP_UPSCALE: + case GGML_OP_PAD: + case GGML_OP_ARANGE: + case GGML_OP_TIMESTEP_EMBEDDING: + case GGML_OP_ARGSORT: + case GGML_OP_FLASH_ATTN_EXT: + case GGML_OP_FLASH_ATTN_BACK: + case GGML_OP_SSM_CONV: + case GGML_OP_SSM_SCAN: + { + n_tasks = n_threads; + } break; + case GGML_OP_WIN_PART: + case GGML_OP_WIN_UNPART: + case GGML_OP_GET_REL_POS: + case GGML_OP_MAP_UNARY: + case GGML_OP_MAP_BINARY: + case GGML_OP_MAP_CUSTOM1_F32: + case GGML_OP_MAP_CUSTOM2_F32: + case GGML_OP_MAP_CUSTOM3_F32: + { + n_tasks = 1; + } break; + case GGML_OP_MAP_CUSTOM1: + { + struct ggml_map_custom1_op_params p; + memcpy(&p, node->op_params, sizeof(p)); + if (p.n_tasks == GGML_N_TASKS_MAX) { + n_tasks = n_threads; + } else { + n_tasks = MIN(p.n_tasks, n_threads); + } + } break; + case GGML_OP_MAP_CUSTOM2: + { + struct ggml_map_custom2_op_params p; + memcpy(&p, node->op_params, sizeof(p)); + if (p.n_tasks == GGML_N_TASKS_MAX) { + n_tasks = n_threads; + } else { + n_tasks = MIN(p.n_tasks, n_threads); + } + } break; + case GGML_OP_MAP_CUSTOM3: + { + struct ggml_map_custom3_op_params p; + memcpy(&p, node->op_params, sizeof(p)); + if (p.n_tasks == GGML_N_TASKS_MAX) { + n_tasks = n_threads; + } else { + n_tasks = MIN(p.n_tasks, n_threads); + } + } break; + case GGML_OP_CROSS_ENTROPY_LOSS: + case GGML_OP_CROSS_ENTROPY_LOSS_BACK: + { + n_tasks = n_threads; + } break; + case GGML_OP_NONE: + { + n_tasks = 1; + } break; + case GGML_OP_COUNT: + { + GGML_ASSERT(false); + } break; + default: + { + fprintf(stderr, "%s: op not implemented: ", __func__); + if (node->op < GGML_OP_COUNT) { + fprintf(stderr, "%s\n", ggml_op_name(node->op)); + } else { + fprintf(stderr, "%d\n", node->op); + } + GGML_ASSERT(false); + } break; + } + + assert(n_tasks > 0); + + return n_tasks; +} + +struct ggml_cplan ggml_graph_plan(const struct ggml_cgraph * cgraph, int n_threads) { + if (n_threads <= 0) { + n_threads = GGML_DEFAULT_N_THREADS; + } + + size_t work_size = 0; + + struct ggml_cplan cplan; + memset(&cplan, 0, sizeof(struct ggml_cplan)); + + int max_tasks = 1; + + // thread scheduling for the different operations + work buffer size estimation + for (int i = 0; i < cgraph->n_nodes; i++) { + struct ggml_tensor * node = cgraph->nodes[i]; + + const int n_tasks = ggml_get_n_tasks(node, n_threads); + + max_tasks = MAX(max_tasks, n_tasks); + + size_t cur = 0; + + switch (node->op) { + case GGML_OP_CPY: + case GGML_OP_DUP: + { + if (ggml_is_quantized(node->type) || + // F16 -> BF16 and BF16 -> F16 copies go through intermediate F32 + (node->src[0]->type == GGML_TYPE_F16 && node->src[1] && node->src[1]->type == GGML_TYPE_BF16) || + (node->src[0]->type == GGML_TYPE_BF16 && node->src[1] && node->src[1]->type == GGML_TYPE_F16)) { + cur = ggml_type_size(GGML_TYPE_F32) * node->ne[0] * n_tasks; + } + } break; + case GGML_OP_ADD: + case GGML_OP_ADD1: + { + if (ggml_is_quantized(node->src[0]->type)) { + cur = ggml_type_size(GGML_TYPE_F32) * node->src[0]->ne[0] * n_tasks; + } + } break; + case GGML_OP_ACC: + { + if (ggml_is_quantized(node->src[0]->type)) { + cur = ggml_type_size(GGML_TYPE_F32) * node->src[1]->ne[0] * n_tasks; + } + } break; + case GGML_OP_MUL_MAT: + { + const enum ggml_type vec_dot_type = type_traits[node->src[0]->type].vec_dot_type; + + if (node->src[1]->type != vec_dot_type) { + cur = ggml_row_size(vec_dot_type, ggml_nelements(node->src[1])); + } + } break; + case GGML_OP_MUL_MAT_ID: + { + cur = 0; + const struct ggml_tensor * src0 = node->src[0]; + const struct ggml_tensor * src1 = node->src[1]; + const enum ggml_type vec_dot_type = type_traits[src0->type].vec_dot_type; + if (src1->type != vec_dot_type) { + cur += ggml_row_size(vec_dot_type, ggml_nelements(src1)); + } + const int n_as = src0->ne[2]; + cur += GGML_PAD(cur, sizeof(int64_t)); // align + cur += n_as * sizeof(int64_t); // matrix_row_counts + cur += n_as * src1->ne[2] * sizeof(int64_t); // matrix_rows + } break; + case GGML_OP_OUT_PROD: + { + if (ggml_is_quantized(node->src[0]->type)) { + cur = ggml_type_size(GGML_TYPE_F32) * node->src[0]->ne[0] * n_tasks; + } + } break; + case GGML_OP_SOFT_MAX: + case GGML_OP_ROPE: + { + cur = ggml_type_size(GGML_TYPE_F32) * node->ne[0] * n_tasks; + } break; + case GGML_OP_CONV_TRANSPOSE_1D: + { + GGML_ASSERT(node->src[0]->ne[3] == 1); + GGML_ASSERT(node->src[1]->ne[2] == 1); + GGML_ASSERT(node->src[1]->ne[3] == 1); + + const int64_t ne00 = node->src[0]->ne[0]; // K + const int64_t ne01 = node->src[0]->ne[1]; // Cout + const int64_t ne02 = node->src[0]->ne[2]; // Cin + + const int64_t ne10 = node->src[1]->ne[0]; // L + const int64_t ne11 = node->src[1]->ne[1]; // Cin + + if ((node->src[0]->type == GGML_TYPE_F16 || + node->src[0]->type == GGML_TYPE_BF16) && + node->src[1]->type == GGML_TYPE_F32) { + cur += sizeof(ggml_fp16_t)*ne00*ne01*ne02; + cur += sizeof(ggml_fp16_t)*ne10*ne11; + } else if (node->src[0]->type == GGML_TYPE_F32 && + node->src[1]->type == GGML_TYPE_F32) { + cur += sizeof(float)*ne00*ne01*ne02; + cur += sizeof(float)*ne10*ne11; + } else { + GGML_ASSERT(false); + } + } break; + case GGML_OP_CONV_TRANSPOSE_2D: + { + const int64_t ne00 = node->src[0]->ne[0]; // W + const int64_t ne01 = node->src[0]->ne[1]; // H + const int64_t ne02 = node->src[0]->ne[2]; // Channels Out + const int64_t ne03 = node->src[0]->ne[3]; // Channels In + + const int64_t ne10 = node->src[1]->ne[0]; // W + const int64_t ne11 = node->src[1]->ne[1]; // H + const int64_t ne12 = node->src[1]->ne[2]; // Channels In + + cur += sizeof(ggml_fp16_t)*ne00*ne01*ne02*ne03; + cur += sizeof(ggml_fp16_t)*ne10*ne11*ne12; + } break; + case GGML_OP_FLASH_ATTN_EXT: + { + const int64_t ne00 = node->src[0]->ne[0]; // D + + cur = 3*sizeof(float)*ne00*n_tasks; // 3x head size/thread + } break; + case GGML_OP_FLASH_ATTN_BACK: + { + const int64_t D = node->src[0]->ne[0]; + const int64_t ne11 = ggml_up(node->src[1]->ne[1], GGML_SOFT_MAX_UNROLL); + const int64_t mxDn = MAX(D, ne11) * 2; // *2 because of S and SM in ggml_compute_forward_flash_attn_back + if (node->src[1]->type == GGML_TYPE_F32) { + cur = sizeof(float)*mxDn*n_tasks; // TODO: this can become (n_tasks-1) + cur += sizeof(float)*mxDn*n_tasks; // this is overestimated by x2 + } else if (node->src[1]->type == GGML_TYPE_F16) { + cur = sizeof(float)*mxDn*n_tasks; // TODO: this can become (n_tasks-1) + cur += sizeof(float)*mxDn*n_tasks; // this is overestimated by x2 + } else if (node->src[1]->type == GGML_TYPE_BF16) { + cur = sizeof(float)*mxDn*n_tasks; // TODO: this can become (n_tasks-1) + cur += sizeof(float)*mxDn*n_tasks; // this is overestimated by x2 + } + } break; + + case GGML_OP_CROSS_ENTROPY_LOSS: + { + cur = ggml_type_size(node->type)*(n_tasks + node->src[0]->ne[0]*n_tasks); + } break; + case GGML_OP_COUNT: + { + GGML_ASSERT(false); + } break; + default: + break; + } + + work_size = MAX(work_size, cur); + } + + if (work_size > 0) { + work_size += CACHE_LINE_SIZE*(n_threads - 1); + } + + cplan.n_threads = MIN(max_tasks, n_threads); + cplan.work_size = work_size; + cplan.work_data = NULL; + + return cplan; +} + +static thread_ret_t ggml_graph_compute_thread(void * data) { + struct ggml_compute_state * state = (struct ggml_compute_state *) data; + + const struct ggml_cgraph * cgraph = state->shared->cgraph; + const struct ggml_cplan * cplan = state->shared->cplan; + + set_numa_thread_affinity(state->ith); + + struct ggml_compute_params params = { + /*.ith =*/ state->ith, + /*.nth =*/ state->shared->n_threads, + /*.wsize =*/ cplan->work_size, + /*.wdata =*/ cplan->work_data, + /*.shared=*/ state->shared, + }; + + for (int node_n = 0; node_n < cgraph->n_nodes; node_n++) { + struct ggml_tensor * node = cgraph->nodes[node_n]; + + ggml_compute_forward(¶ms, node); + + if (state->ith == 0 && cplan->abort_callback && cplan->abort_callback(cplan->abort_callback_data)) { + state->shared->ec = GGML_STATUS_ABORTED; + } + + ggml_barrier(state->shared); + + if (state->shared->ec != GGML_STATUS_SUCCESS) { + break; + } + } + + return 0; +} + +enum ggml_status ggml_graph_compute(struct ggml_cgraph * cgraph, struct ggml_cplan * cplan) { + GGML_ASSERT(cplan); + GGML_ASSERT(cplan->n_threads > 0); + GGML_ASSERT(cplan->work_size == 0 || cplan->work_data != NULL); + + int n_threads = cplan->n_threads; + + struct ggml_compute_state_shared state_shared = { + /*.cgraph =*/ cgraph, + /*.cgraph_plan =*/ cplan, + /*.n_threads =*/ n_threads, + /*.n_barrier =*/ 0, + /*.n_barrier_passed =*/ 0, + /*.abort_callback =*/ NULL, + /*.abort_callback_data =*/ NULL, + /*.current_chunk =*/ 0, + /*.ec =*/ GGML_STATUS_SUCCESS, + }; + +#ifdef GGML_USE_OPENMP + if (n_threads > 1) { + #pragma omp parallel num_threads(n_threads) + { + #pragma omp single + { + // update the number of threads from the actual number of threads that we got from OpenMP + n_threads = omp_get_num_threads(); + state_shared.n_threads = n_threads; + } + + struct ggml_compute_state worker = { + .thrd = 0, + .ith = omp_get_thread_num(), + .shared = &state_shared, + }; + ggml_graph_compute_thread(&worker); + } + } else { + struct ggml_compute_state worker = { + .thrd = 0, + .ith = 0, + .shared = &state_shared, + }; + ggml_graph_compute_thread(&worker); + } +#else + struct ggml_compute_state * workers = alloca(sizeof(struct ggml_compute_state)*n_threads); + + for (int j = 0; j < n_threads; ++j) { + workers[j] = (struct ggml_compute_state) { + .thrd = 0, + .ith = j, + .shared = &state_shared, + }; + } + + // create thread pool + for (int j = 1; j < n_threads; ++j) { + const int rc = ggml_thread_create(&workers[j].thrd, NULL, ggml_graph_compute_thread, &workers[j]); + GGML_ASSERT(rc == 0); + UNUSED(rc); + } + + // this is a work thread too + ggml_graph_compute_thread(&workers[0]); + + // join or kill thread pool + if (n_threads > 1) { + for (int j = 1; j < n_threads; j++) { + const int rc = ggml_thread_join(workers[j].thrd, NULL); + GGML_ASSERT(rc == 0); + UNUSED(rc); + } + } +#endif + + // don't leave affinity set on the main thread + clear_numa_thread_affinity(); + + return state_shared.ec; +} + +enum ggml_status ggml_graph_compute_with_ctx(struct ggml_context * ctx, struct ggml_cgraph * cgraph, int n_threads) { + struct ggml_cplan cplan = ggml_graph_plan(cgraph, n_threads); + + struct ggml_object * obj = ggml_new_object(ctx, GGML_OBJECT_TYPE_WORK_BUFFER, cplan.work_size); + + cplan.work_data = (uint8_t *)ctx->mem_buffer + obj->offs; + + return ggml_graph_compute(cgraph, &cplan); +} + +struct ggml_tensor * ggml_graph_get_tensor(struct ggml_cgraph * cgraph, const char * name) { + for (int i = 0; i < cgraph->n_leafs; i++) { + struct ggml_tensor * leaf = cgraph->leafs[i]; + + if (strcmp(leaf->name, name) == 0) { + return leaf; + } + } + + for (int i = 0; i < cgraph->n_nodes; i++) { + struct ggml_tensor * node = cgraph->nodes[i]; + + if (strcmp(node->name, name) == 0) { + return node; + } + } + + return NULL; +} + +static void ggml_graph_export_leaf(const struct ggml_tensor * tensor, FILE * fout) { + const int64_t * ne = tensor->ne; + const size_t * nb = tensor->nb; + + fprintf(fout, "%-6s %-12s %8d %" PRId64 " %" PRId64 " %" PRId64 " %" PRId64 " %16zu %16zu %16zu %16zu %16p %32s\n", + ggml_type_name(tensor->type), + ggml_op_name (tensor->op), + ggml_n_dims(tensor), + ne[0], ne[1], ne[2], ne[3], + nb[0], nb[1], nb[2], nb[3], + tensor->data, + tensor->name); +} + +static void ggml_graph_export_node(const struct ggml_tensor * tensor, const char * arg, FILE * fout) { + const int64_t * ne = tensor->ne; + const size_t * nb = tensor->nb; + + fprintf(fout, "%-6s %-6s %-12s %8d %" PRId64 " %" PRId64 " %" PRId64 " %" PRId64 " %16zu %16zu %16zu %16zu %16p %32s\n", + arg, + ggml_type_name(tensor->type), + ggml_op_name (tensor->op), + ggml_n_dims(tensor), + ne[0], ne[1], ne[2], ne[3], + nb[0], nb[1], nb[2], nb[3], + tensor->data, + tensor->name); +} + +void ggml_graph_export(const struct ggml_cgraph * cgraph, const char * fname) { + uint64_t size_eval = 0; + + // compute size of intermediate results + // TODO: does not take into account scratch buffers !!!! + for (int i = 0; i < cgraph->n_nodes; ++i) { + size_eval += ggml_nbytes_pad(cgraph->nodes[i]); + } + + // print + { + FILE * fout = stdout; + + fprintf(fout, "\n"); + fprintf(fout, "%-16s %8x\n", "magic", GGML_FILE_MAGIC); + fprintf(fout, "%-16s %8d\n", "version", GGML_FILE_VERSION); + fprintf(fout, "%-16s %8d\n", "leafs", cgraph->n_leafs); + fprintf(fout, "%-16s %8d\n", "nodes", cgraph->n_nodes); + fprintf(fout, "%-16s %" PRIu64 "\n", "eval", size_eval); + + // header + fprintf(fout, "\n"); + fprintf(fout, "%-6s %-12s %8s %8s %8s %8s %8s %16s %16s %16s %16s %16s %16s\n", + "TYPE", "OP", "NDIMS", "NE0", "NE1", "NE2", "NE3", "NB0", "NB1", "NB2", "NB3", "DATA", "NAME"); + + for (int i = 0; i < cgraph->n_leafs; ++i) { + ggml_graph_export_leaf(cgraph->leafs[i], fout); + + GGML_ASSERT(cgraph->leafs[i]->op == GGML_OP_NONE); + GGML_ASSERT(cgraph->leafs[i]->src[0] == NULL); + GGML_ASSERT(cgraph->leafs[i]->src[1] == NULL); + } + + // header + fprintf(fout, "\n"); + fprintf(fout, "%-6s %-6s %-12s %8s %8s %8s %8s %8s %16s %16s %16s %16s %8s %16s %16s\n", + "ARG", "TYPE", "OP", "NDIMS", "NE0", "NE1", "NE2", "NE3", "NB0", "NB1", "NB2", "NB3", "NTASKS", "DATA", "NAME"); + + for (int i = 0; i < cgraph->n_nodes; ++i) { + ggml_graph_export_node(cgraph->nodes[i], "DST", fout); + + for (int j = 0; j < GGML_MAX_SRC; ++j) { + if (cgraph->nodes[i]->src[j]) { + ggml_graph_export_node(cgraph->nodes[i]->src[j], "SRC", fout); + } + } + + fprintf(fout, "\n"); + } + + fprintf(fout, "\n"); + } + + // write binary data + { + FILE * fout = ggml_fopen(fname, "wb"); + + if (!fout) { + fprintf(stderr, "%s: failed to open %s: %s\n", __func__, fname, strerror(errno)); + return; + } + + // header + { + const uint32_t magic = GGML_FILE_MAGIC; + const uint32_t version = GGML_FILE_VERSION; + const uint32_t n_leafs = cgraph->n_leafs; + const uint32_t n_nodes = cgraph->n_nodes; + + fwrite(&magic, sizeof(uint32_t), 1, fout); + fwrite(&version, sizeof(uint32_t), 1, fout); + fwrite(&n_leafs, sizeof(uint32_t), 1, fout); + fwrite(&n_nodes, sizeof(uint32_t), 1, fout); + fwrite(&size_eval, sizeof(uint64_t), 1, fout); + } + + // leafs + { + for (int i = 0; i < cgraph->n_leafs; ++i) { + const struct ggml_tensor * tensor = cgraph->leafs[i]; + + const uint32_t type = tensor->type; + const uint32_t op = tensor->op; + + fwrite(&type, sizeof(uint32_t), 1, fout); + fwrite(&op, sizeof(uint32_t), 1, fout); + + for (int j = 0; j < GGML_MAX_DIMS; ++j) { + const uint64_t ne = tensor->ne[j]; + const uint64_t nb = tensor->nb[j]; + + fwrite(&ne, sizeof(uint64_t), 1, fout); + fwrite(&nb, sizeof(uint64_t), 1, fout); + } + + fwrite(tensor->name, sizeof(char), GGML_MAX_NAME, fout); + fwrite(tensor->op_params, sizeof(char), GGML_MAX_OP_PARAMS, fout); + + // dump the data + // TODO: pad this to 32 byte boundary + { + const size_t size = ggml_nbytes(tensor); + + fwrite(tensor->data, sizeof(char), size, fout); + } + } + } + + // nodes + { + for (int i = 0; i < cgraph->n_nodes; ++i) { + const struct ggml_tensor * tensor = cgraph->nodes[i]; + + const uint32_t type = tensor->type; + const uint32_t op = tensor->op; + + fwrite(&type, sizeof(uint32_t), 1, fout); + fwrite(&op, sizeof(uint32_t), 1, fout); + + for (int j = 0; j < GGML_MAX_DIMS; ++j) { + const uint64_t ne = tensor->ne[j]; + const uint64_t nb = tensor->nb[j]; + + fwrite(&ne, sizeof(uint64_t), 1, fout); + fwrite(&nb, sizeof(uint64_t), 1, fout); + } + + fwrite(tensor->name, sizeof(char), GGML_MAX_NAME, fout); + fwrite(tensor->op_params, sizeof(char), GGML_MAX_OP_PARAMS, fout); + + // output the op arguments + { + struct ggml_tensor * args[GGML_MAX_SRC] = { NULL }; + + for (int j = 0; j < GGML_MAX_SRC; ++j) { + args[j] = tensor->src[j]; + } + + for (int j = 0; j < GGML_MAX_SRC; ++j) { + if (args[j]) { + int32_t idx = -1; + + // check if leaf + { + for (int k = 0; k < cgraph->n_leafs; ++k) { + if (args[j] == cgraph->leafs[k]) { + idx = k; + break; + } + } + } + + // check if node + if (idx == -1) { + for (int k = 0; k < cgraph->n_nodes; ++k) { + if (args[j] == cgraph->nodes[k]) { + idx = cgraph->n_leafs + k; + break; + } + } + } + + if (idx == -1) { + fprintf(stderr, "%s: failed to find tensor, arg = %d, node = %d\n", __func__, j, i); + fclose(fout); + return; + } + + fwrite(&idx, sizeof(int32_t), 1, fout); + } else { + const int32_t nul = -1; + + fwrite(&nul, sizeof(int32_t), 1, fout); + } + } + } + } + } + + fclose(fout); + } +} + +struct ggml_cgraph * ggml_graph_import(const char * fname, struct ggml_context ** ctx_data, struct ggml_context ** ctx_eval) { + assert(*ctx_data == NULL); + assert(*ctx_eval == NULL); + + struct ggml_cgraph * result = NULL; + + struct ggml_tensor * data = NULL; + + // read file into data + { + FILE * fin = ggml_fopen(fname, "rb"); + if (!fin) { + fprintf(stderr, "%s: failed to open %s: %s\n", __func__, fname, strerror(errno)); + return result; + } + + size_t fsize = 0; + + fseek(fin, 0, SEEK_END); + fsize = ftell(fin); + fseek(fin, 0, SEEK_SET); + + // create the data context + { + const size_t overhead = 1*ggml_tensor_overhead(); + + struct ggml_init_params params = { + .mem_size = fsize + overhead, + .mem_buffer = NULL, + .no_alloc = false, + }; + + *ctx_data = ggml_init(params); + + if (!*ctx_data) { + fprintf(stderr, "%s: failed to create ggml context\n", __func__); + fclose(fin); + return result; + } + } + + data = ggml_new_tensor_1d(*ctx_data, GGML_TYPE_I8, fsize); + + { + const size_t ret = fread(data->data, sizeof(char), fsize, fin); + if (ret != fsize) { + fprintf(stderr, "%s: failed to read %s\n", __func__, fname); + fclose(fin); + return result; + } + } + + fclose(fin); + } + + // populate result + { + char * ptr = (char *) data->data; + + const uint32_t magic = *(const uint32_t *) ptr; ptr += sizeof(magic); + + if (magic != GGML_FILE_MAGIC) { + fprintf(stderr, "%s: invalid magic number, got %08x\n", __func__, magic); + return result; + } + + const uint32_t version = *(const uint32_t *) ptr; ptr += sizeof(version); + + if (version != GGML_FILE_VERSION) { + fprintf(stderr, "%s: invalid version number\n", __func__); + return result; + } + + const uint32_t n_leafs = *(const uint32_t *) ptr; ptr += sizeof(n_leafs); + const uint32_t n_nodes = *(const uint32_t *) ptr; ptr += sizeof(n_nodes); + const uint64_t size_eval = *(const uint64_t *) ptr; ptr += sizeof(size_eval); + const int graph_size = MAX(n_leafs, n_nodes); + + // create the data context + { + const size_t overhead = (n_leafs + n_nodes)*ggml_tensor_overhead() + ggml_graph_overhead_custom(graph_size, false); + + struct ggml_init_params params = { + .mem_size = size_eval + overhead, + .mem_buffer = NULL, + .no_alloc = true, + }; + + *ctx_eval = ggml_init(params); + + if (!*ctx_eval) { + fprintf(stderr, "%s: failed to create ggml context\n", __func__); + return result; + } + } + + result = ggml_new_graph_custom(*ctx_eval, graph_size, false); + + result->n_leafs = n_leafs; + result->n_nodes = n_nodes; + + + // leafs + { + uint32_t type; + uint32_t op; + + for (uint32_t i = 0; i < n_leafs; ++i) { + type = *(const uint32_t *) ptr; ptr += sizeof(type); + op = *(const uint32_t *) ptr; ptr += sizeof(op); + + int64_t ne[GGML_MAX_DIMS]; + size_t nb[GGML_MAX_DIMS]; + + for (int j = 0; j < GGML_MAX_DIMS; ++j) { + uint64_t ne_cur; + uint64_t nb_cur; + + ne_cur = *(const uint64_t *) ptr; ptr += sizeof(ne_cur); + nb_cur = *(const uint64_t *) ptr; ptr += sizeof(nb_cur); + + ne[j] = ne_cur; + nb[j] = nb_cur; + } + + struct ggml_tensor * tensor = ggml_new_tensor(*ctx_eval, (enum ggml_type) type, GGML_MAX_DIMS, ne); + + tensor->op = (enum ggml_op) op; + + memcpy(tensor->name, ptr, GGML_MAX_NAME); ptr += GGML_MAX_NAME; + memcpy(tensor->op_params, ptr, GGML_MAX_OP_PARAMS); ptr += GGML_MAX_OP_PARAMS; + + tensor->data = (void *) ptr; + + for (int j = 0; j < GGML_MAX_DIMS; ++j) { + tensor->nb[j] = nb[j]; + } + + result->leafs[i] = tensor; + + ptr += ggml_nbytes(tensor); + + fprintf(stderr, "%s: loaded leaf %u: '%16s', %9zu bytes\n", __func__, i, tensor->name, ggml_nbytes(tensor)); + } + } + + ggml_set_no_alloc(*ctx_eval, false); + + // nodes + { + uint32_t type; + uint32_t op; + + for (uint32_t i = 0; i < n_nodes; ++i) { + type = *(const uint32_t *) ptr; ptr += sizeof(type); + op = *(const uint32_t *) ptr; ptr += sizeof(op); + + enum ggml_op eop = (enum ggml_op) op; + + int64_t ne[GGML_MAX_DIMS]; + size_t nb[GGML_MAX_DIMS]; + + for (int j = 0; j < GGML_MAX_DIMS; ++j) { + uint64_t ne_cur; + uint64_t nb_cur; + + ne_cur = *(const uint64_t *) ptr; ptr += sizeof(ne_cur); + nb_cur = *(const uint64_t *) ptr; ptr += sizeof(nb_cur); + + ne[j] = ne_cur; + nb[j] = nb_cur; + } + + const char * ptr_name = ptr; ptr += GGML_MAX_NAME; + const char * ptr_op_params = ptr; ptr += GGML_MAX_OP_PARAMS; + + const int32_t * ptr_arg_idx = (const int32_t *) ptr; ptr += GGML_MAX_SRC*sizeof(int32_t); + + struct ggml_tensor * args[GGML_MAX_SRC] = { NULL }; + + // parse args + for (int j = 0; j < GGML_MAX_SRC; ++j) { + const int32_t arg_idx = ptr_arg_idx[j]; + + if (arg_idx == -1) { + continue; + } + + if (arg_idx < result->n_leafs) { + args[j] = result->leafs[arg_idx]; + } else { + args[j] = result->nodes[arg_idx - result->n_leafs]; + } + } + + // create the tensor + // "view" operations are handled differently + // TODO: handle inplace ops - currently a copy is always made + + struct ggml_tensor * tensor = NULL; + + switch (eop) { + // TODO: implement other view ops + case GGML_OP_RESHAPE: + { + tensor = ggml_reshape_4d(*ctx_eval, args[0], ne[0], ne[1], ne[2], ne[3]); + } break; + case GGML_OP_VIEW: + { + tensor = ggml_view_4d(*ctx_eval, args[0], ne[0], ne[1], ne[2], ne[3], 0, 0, 0, 0); + + size_t offs; + memcpy(&offs, ptr_op_params, sizeof(offs)); + + tensor->data = ((char *) tensor->data) + offs; + } break; + case GGML_OP_TRANSPOSE: + { + tensor = ggml_transpose(*ctx_eval, args[0]); + } break; + case GGML_OP_PERMUTE: + { + tensor = ggml_view_4d(*ctx_eval, args[0], ne[0], ne[1], ne[2], ne[3], 0, 0, 0, 0); + } break; + default: + { + tensor = ggml_new_tensor(*ctx_eval, (enum ggml_type) type, GGML_MAX_DIMS, ne); + + tensor->op = eop; + } break; + } + + memcpy(tensor->name, ptr_name, GGML_MAX_NAME); + memcpy(tensor->op_params, ptr_op_params, GGML_MAX_OP_PARAMS); + + for (int j = 0; j < GGML_MAX_DIMS; ++j) { + tensor->nb[j] = nb[j]; + } + + for (int j = 0; j < GGML_MAX_SRC; ++j) { + tensor->src[j] = args[j]; + } + + result->nodes[i] = tensor; + + fprintf(stderr, "%s: loaded node %u: '%16s', %9zu bytes\n", __func__, i, tensor->name, ggml_nbytes(tensor)); + } + } + } + + return result; +} + +void ggml_graph_print(const struct ggml_cgraph * cgraph) { + GGML_PRINT("=== GRAPH ===\n"); + + GGML_PRINT("n_nodes = %d\n", cgraph->n_nodes); + for (int i = 0; i < cgraph->n_nodes; i++) { + struct ggml_tensor * node = cgraph->nodes[i]; + + GGML_PRINT(" - %3d: [ %5" PRId64 ", %5" PRId64 ", %5" PRId64 "] %16s %s\n", + i, + node->ne[0], node->ne[1], node->ne[2], + ggml_op_name(node->op), (node->flags & GGML_TENSOR_FLAG_PARAM) ? "x" : node->grad ? "g" : " "); + } + + GGML_PRINT("n_leafs = %d\n", cgraph->n_leafs); + for (int i = 0; i < cgraph->n_leafs; i++) { + struct ggml_tensor * node = cgraph->leafs[i]; + + GGML_PRINT(" - %3d: [ %5" PRId64 ", %5" PRId64 "] %8s %16s\n", + i, + node->ne[0], node->ne[1], + ggml_op_name(node->op), + ggml_get_name(node)); + } + + GGML_PRINT("========================================\n"); +} + +// check if node is part of the graph +static bool ggml_graph_find(const struct ggml_cgraph * cgraph, const struct ggml_tensor * node) { + if (cgraph == NULL) { + return true; + } + + for (int i = 0; i < cgraph->n_nodes; i++) { + if (cgraph->nodes[i] == node) { + return true; + } + } + + return false; +} + +static struct ggml_tensor * ggml_graph_get_parent(const struct ggml_cgraph * cgraph, const struct ggml_tensor * node) { + for (int i = 0; i < cgraph->n_nodes; i++) { + struct ggml_tensor * parent = cgraph->nodes[i]; + + if (parent->grad == node) { + return parent; + } + } + + return NULL; +} + +static void ggml_graph_dump_dot_node_edge(FILE * fp, const struct ggml_cgraph * gb, struct ggml_tensor * node, struct ggml_tensor * parent, const char * label) { + struct ggml_tensor * gparent = ggml_graph_get_parent(gb, node); + struct ggml_tensor * gparent0 = ggml_graph_get_parent(gb, parent); + fprintf(fp, " \"%p\":%s -> \"%p\":%s [ arrowhead = %s; style = %s; label = \"%s\"; ]\n", + gparent0 ? (void *) gparent0 : (void *) parent, + gparent0 ? "g" : "x", + gparent ? (void *) gparent : (void *) node, + gparent ? "g" : "x", + gparent ? "empty" : "vee", + gparent ? "dashed" : "solid", + label); +} + +static void ggml_graph_dump_dot_leaf_edge(FILE * fp, struct ggml_tensor * node, struct ggml_tensor * parent, const char * label) { + fprintf(fp, " \"%p\":%s -> \"%p\":%s [ label = \"%s\"; ]\n", + (void *) parent, "x", + (void *) node, "x", + label); +} + +void ggml_graph_dump_dot(const struct ggml_cgraph * gb, const struct ggml_cgraph * gf, const char * filename) { + char color[16]; + + FILE * fp = ggml_fopen(filename, "w"); + GGML_ASSERT(fp); + + fprintf(fp, "digraph G {\n"); + fprintf(fp, " newrank = true;\n"); + fprintf(fp, " rankdir = TB;\n"); + + for (int i = 0; i < gb->n_nodes; i++) { + struct ggml_tensor * node = gb->nodes[i]; + + if (ggml_graph_get_parent(gb, node) != NULL) { + continue; + } + + if (node->flags & GGML_TENSOR_FLAG_PARAM) { + snprintf(color, sizeof(color), "yellow"); + } else if (node->grad) { + if (ggml_graph_find(gf, node)) { + snprintf(color, sizeof(color), "green"); + } else { + snprintf(color, sizeof(color), "lightblue"); + } + } else { + snprintf(color, sizeof(color), "white"); + } + + fprintf(fp, " \"%p\" [ " + "style = filled; fillcolor = %s; shape = record; " + "label=\"", + (void *) node, color); + + if (strlen(node->name) > 0) { + fprintf(fp, "%s (%s)|", node->name, ggml_type_name(node->type)); + } else { + fprintf(fp, "(%s)|", ggml_type_name(node->type)); + } + + if (ggml_is_matrix(node)) { + fprintf(fp, "%d [%" PRId64 ", %" PRId64 "] | <x>%s", i, node->ne[0], node->ne[1], ggml_op_symbol(node->op)); + } else { + fprintf(fp, "%d [%" PRId64 ", %" PRId64 ", %" PRId64 "] | <x>%s", i, node->ne[0], node->ne[1], node->ne[2], ggml_op_symbol(node->op)); + } + + if (node->grad) { + fprintf(fp, " | <g>%s\"; ]\n", ggml_op_symbol(node->grad->op)); + } else { + fprintf(fp, "\"; ]\n"); + } + } + + for (int i = 0; i < gb->n_leafs; i++) { + struct ggml_tensor * node = gb->leafs[i]; + + snprintf(color, sizeof(color), "pink"); + + fprintf(fp, " \"%p\" [ " + "style = filled; fillcolor = %s; shape = record; " + "label=\"<x>", + (void *) node, color); + + if (strlen(node->name) > 0) { + fprintf(fp, "%s (%s)|", node->name, ggml_type_name(node->type)); + } else { + fprintf(fp, "(%s)|", ggml_type_name(node->type)); + } + + fprintf(fp, "CONST %d [%" PRId64 ", %" PRId64 "]", i, node->ne[0], node->ne[1]); + if (ggml_nelements(node) < 5 && node->data != NULL) { + fprintf(fp, " | ("); + for (int j = 0; j < ggml_nelements(node); j++) { + if (node->type == GGML_TYPE_I8 || node->type == GGML_TYPE_I16 || node->type == GGML_TYPE_I32) { + fprintf(fp, "%d", ggml_get_i32_1d(node, j)); + } + else if (node->type == GGML_TYPE_F32 || + node->type == GGML_TYPE_F16 || + node->type == GGML_TYPE_BF16) { + fprintf(fp, "%.1e", (double)ggml_get_f32_1d(node, j)); + } + else { + fprintf(fp, "#"); + } + if (j < ggml_nelements(node) - 1) { + fprintf(fp, ", "); + } + } + fprintf(fp, ")"); + } + fprintf(fp, "\"; ]\n"); + } + + for (int i = 0; i < gb->n_nodes; i++) { + struct ggml_tensor * node = gb->nodes[i]; + + for (int j = 0; j < GGML_MAX_SRC; j++) { + if (node->src[j]) { + char label[16]; + snprintf(label, sizeof(label), "src %d", j); + ggml_graph_dump_dot_node_edge(fp, gb, node, node->src[j], label); + } + } + } + + for (int i = 0; i < gb->n_leafs; i++) { + struct ggml_tensor * node = gb->leafs[i]; + + for (int j = 0; j < GGML_MAX_SRC; j++) { + if (node->src[j]) { + char label[16]; + snprintf(label, sizeof(label), "src %d", j); + ggml_graph_dump_dot_leaf_edge(fp, node, node->src[j], label); + } + } + } + + fprintf(fp, "}\n"); + + fclose(fp); + + GGML_PRINT("%s: dot -Tpng %s -o %s.png && open %s.png\n", __func__, filename, filename, filename); +} + +//////////////////////////////////////////////////////////////////////////////// + +static void ggml_opt_set_params(int np, struct ggml_tensor * const ps[], const float * x) { + int i = 0; + for (int p = 0; p < np; ++p) { + const int64_t ne = ggml_nelements(ps[p]) ; + // TODO: add function to set tensor from array + for (int64_t j = 0; j < ne; ++j) { + ggml_set_f32_1d(ps[p], j, x[i++]); + } + } +} + +static void ggml_opt_get_params(int np, struct ggml_tensor * const ps[], float * x) { + int i = 0; + for (int p = 0; p < np; ++p) { + const int64_t ne = ggml_nelements(ps[p]) ; + // TODO: add function to get all elements at once + for (int64_t j = 0; j < ne; ++j) { + x[i++] = ggml_get_f32_1d(ps[p], j); + } + } +} + +static void ggml_opt_get_grad(int np, struct ggml_tensor * const ps[], float * g) { + int64_t i = 0; + for (int p = 0; p < np; ++p) { + const int64_t ne = ggml_nelements(ps[p]) ; + // TODO: add function to get all elements at once + for (int64_t j = 0; j < ne; ++j) { + g[i++] = ggml_get_f32_1d(ps[p]->grad, j); + } + } +} + +static void ggml_opt_acc_grad(int np, struct ggml_tensor * const ps[], float * g, float scale) { + int64_t i = 0; + for (int p = 0; p < np; ++p) { + const int64_t ne = ggml_nelements(ps[p]) ; + // TODO: add function to get all elements at once + for (int64_t j = 0; j < ne; ++j) { + g[i++] += ggml_get_f32_1d(ps[p]->grad, j) * scale; + } + } +} + +// +// Using AdamW - ref: https://arxiv.org/pdf/1711.05101v3.pdf +// +// (Original Adam - ref: https://arxiv.org/pdf/1412.6980.pdf) +// + +static enum ggml_opt_result ggml_opt_adam( + struct ggml_context * ctx, + struct ggml_opt_context * opt, + struct ggml_opt_params params, + struct ggml_tensor * f, + struct ggml_cgraph * gf, + struct ggml_cgraph * gb, + ggml_opt_callback callback, + void * callback_data) { + GGML_ASSERT(ggml_is_scalar(f)); + + // these will store the parameters we want to optimize + struct ggml_tensor * ps[GGML_MAX_PARAMS]; + + int np = 0; + int64_t nx = 0; + for (int i = 0; i < gf->n_nodes; ++i) { + if (gf->nodes[i]->flags & GGML_TENSOR_FLAG_PARAM) { + GGML_PRINT_DEBUG("found param %d: grad->op = %d\n", np, gf->nodes[i]->grad->op); + + GGML_ASSERT(np < GGML_MAX_PARAMS); + + ps[np++] = gf->nodes[i]; + nx += ggml_nelements(gf->nodes[i]); + } + } + + if ((opt->params.type != params.type) || (opt->nx != nx) || (opt->params.past != params.past)) { + int iter = opt->iter; + ggml_opt_init(opt->ctx, opt, params, nx); + opt->iter = iter; + } + + // constants + float sched = params.adam.sched; + const float alpha = params.adam.alpha; + const float decay = params.adam.decay * alpha; + const float beta1 = params.adam.beta1; + const float beta2 = params.adam.beta2; + const float eps = params.adam.eps; + const float gclip = params.adam.gclip; + const int decay_min_ndim = params.adam.decay_min_ndim; + const int n_accum = MAX(1, params.n_gradient_accumulation); + const float accum_norm = 1.0f / (float) n_accum; + + float * g = opt->adam.g->data; // gradients + float * m = opt->adam.m->data; // first moment + float * v = opt->adam.v->data; // second moment + + float * pf = params.past > 0 ? opt->adam.pf->data : NULL; // past function values + + struct ggml_cplan cplan = ggml_graph_plan(gb, params.n_threads); + struct ggml_object * obj = ggml_new_object(ctx, GGML_OBJECT_TYPE_WORK_BUFFER, cplan.work_size); + cplan.work_data = (uint8_t *)ctx->mem_buffer + obj->offs; + + bool cancel = false; + + // compute the function value + float fx = 0; + ggml_set_zero(opt->adam.g); + for (int accum_step = 0; accum_step < n_accum; ++accum_step) { + if (callback) { + callback(callback_data, accum_step, &sched, &cancel); + if (cancel) { + return GGML_OPT_RESULT_CANCEL; + } + } + // ggml_graph_reset (gf); + ggml_set_f32 (f->grad, 1.0f); + ggml_graph_compute(gb, &cplan); + ggml_opt_acc_grad(np, ps, g, accum_norm); + fx += ggml_get_f32_1d(f, 0); + } + fx *= accum_norm; + + opt->adam.fx_prev = fx; + opt->adam.fx_best = opt->adam.fx_prev; + if (pf) { + pf[opt->iter % params.past] = opt->adam.fx_prev; + } + + opt->loss_before = opt->adam.fx_prev; + opt->loss_after = opt->adam.fx_prev; + + // initialize + if (opt->just_initialized) { + opt->adam.n_no_improvement = 0; + opt->just_initialized = false; + } + + float * fx_best = &opt->adam.fx_best; + float * fx_prev = &opt->adam.fx_prev; + int * n_no_improvement = &opt->adam.n_no_improvement; + + int iter0 = opt->iter; + + // run the optimizer + for (int t = 0; t < params.adam.n_iter; ++t) { + opt->iter = iter0 + t + 1; + GGML_PRINT_DEBUG ("=== iter %d ===\n", t); + + GGML_PRINT_DEBUG ("f = %10.6f\n", ggml_get_f32_1d(f, 0)); + GGML_PRINT_DEBUG_5("df/dx0 = %10.6f\n", ggml_get_f32_1d(ps[0]->grad, 0)); + GGML_PRINT_DEBUG_5("df/dx1 = %10.6f\n", ggml_get_f32_1d(ps[1]->grad, 0)); + + for (int i = 0; i < np; ++i) { + GGML_PRINT_DEBUG("param %d: %10.6f, g = %10.6f\n", i, + ggml_get_f32_1d(ps[i], 0), ggml_get_f32_1d(ps[i]->grad, 0)); + } + + const int64_t t_start_wall = ggml_time_us(); + const int64_t t_start_cpu = ggml_cycles(); + UNUSED(t_start_wall); + UNUSED(t_start_cpu); + + { + float gnorm = 1.0f; + if (gclip > 0.0f) { + // gradient clipping + ggml_float sum = 0.0; + for (int64_t i = 0; i < nx; ++i) { + sum += (ggml_float)(g[i]*g[i]); + } + ggml_float norm = sqrt(sum); + if (norm > (ggml_float) gclip) { + gnorm = (float) ((ggml_float) gclip / norm); + } + } + const float beta1h = alpha*sched/(1.0f - powf(beta1, opt->iter)); + const float beta2h = 1.0f/(1.0f - powf(beta2, opt->iter)); + int64_t i = 0; + for (int p = 0; p < np; ++p) { + const int64_t ne = ggml_nelements(ps[p]); + const float p_decay = ((ggml_n_dims(ps[p]) >= decay_min_ndim) ? decay : 0.0f) * sched; + for (int64_t j = 0; j < ne; ++j) { + float x = ggml_get_f32_1d(ps[p], j); + float g_ = g[i]*gnorm; + m[i] = m[i]*beta1 + g_*(1.0f - beta1); + v[i] = v[i]*beta2 + g_*g_*(1.0f - beta2); + float mh = m[i]*beta1h; + float vh = v[i]*beta2h; + vh = sqrtf(vh) + eps; + x = x*(1.0f - p_decay) - mh/vh; + ggml_set_f32_1d(ps[p], j, x); + ++i; + } + } + } + + fx = 0; + ggml_set_zero(opt->adam.g); + for (int accum_step = 0; accum_step < n_accum; ++accum_step) { + if (callback) { + callback(callback_data, accum_step, &sched, &cancel); + if (cancel) { + return GGML_OPT_RESULT_CANCEL;; + } + } + // ggml_graph_reset (gf); + ggml_set_f32 (f->grad, 1.0f); + ggml_graph_compute(gb, &cplan); + ggml_opt_acc_grad(np, ps, g, accum_norm); + fx += ggml_get_f32_1d(f, 0); + } + fx *= accum_norm; + + opt->loss_after = fx; + + // check convergence + if (fabsf(fx - fx_prev[0])/fx < params.adam.eps_f) { + GGML_PRINT_DEBUG("converged\n"); + + return GGML_OPT_RESULT_OK; + } + + // delta-based convergence test + if (pf != NULL) { + // need at least params.past iterations to start checking for convergence + if (params.past <= iter0 + t) { + const float rate = (pf[(iter0 + t)%params.past] - fx)/fx; + + if (fabsf(rate) < params.delta) { + return GGML_OPT_RESULT_OK; + } + } + + pf[(iter0 + t)%params.past] = fx; + } + + // check for improvement + if (params.max_no_improvement > 0) { + if (fx_best[0] > fx) { + fx_best[0] = fx; + n_no_improvement[0] = 0; + } else { + ++n_no_improvement[0]; + + if (n_no_improvement[0] >= params.max_no_improvement) { + return GGML_OPT_RESULT_OK; + } + } + } + + fx_prev[0] = fx; + + { + const int64_t t_end_cpu = ggml_cycles(); + GGML_PRINT_DEBUG("time iter: %5.3f s\n", ((float)(t_end_cpu - t_start_cpu))/CLOCKS_PER_SEC); + UNUSED(t_end_cpu); + + const int64_t t_end_wall = ggml_time_us(); + GGML_PRINT_DEBUG("wall time iter: %5.3f s\n", (t_end_wall - t_start_wall)/1e6); + UNUSED(t_end_wall); + } + } + + return GGML_OPT_RESULT_DID_NOT_CONVERGE; +} + +// +// L-BFGS +// +// the L-BFGS implementation below is based on the following implementation: +// +// https://github.com/chokkan/liblbfgs +// + +struct ggml_lbfgs_iteration_data { + float alpha; + float ys; + float * s; + float * y; +}; + +static enum ggml_opt_result linesearch_backtracking( + const struct ggml_opt_params * params, + int nx, + float * x, + float * fx, + float * g, + float * d, + float * step, + const float * xp, + struct ggml_tensor * f, + struct ggml_cgraph * gb, + struct ggml_cplan * cplan, + const int np, + struct ggml_tensor * ps[], + bool * cancel, + ggml_opt_callback callback, + void * callback_data) { + int count = 0; + + float width = 0.0f; + float dg = 0.0f; + float finit = 0.0f; + float dginit = 0.0f; + float dgtest = 0.0f; + + const float dec = 0.5f; + const float inc = 2.1f; + + const int n_accum = MAX(1, params->n_gradient_accumulation); + const float accum_norm = 1.0f / (float) n_accum; + + if (*step <= 0.f) { + return GGML_LINESEARCH_INVALID_PARAMETERS; + } + + // compute the initial gradient in the search direction + ggml_vec_dot_f32(nx, &dginit, 0, g, 0, d, 0, 1); + + // make sure that d points to a descent direction + if (0 < dginit) { + return GGML_LINESEARCH_FAIL; + } + + // initialize local variables + finit = *fx; + dgtest = params->lbfgs.ftol*dginit; + + while (true) { + ggml_vec_cpy_f32(nx, x, xp); + ggml_vec_mad_f32(nx, x, d, *step); + + // evaluate the function and gradient values + { + ggml_opt_set_params(np, ps, x); + + *fx = 0; + memset(g, 0, sizeof(float)*nx); + for (int accum_step = 0; accum_step < n_accum; ++accum_step) { + if (callback) { + // LBFG-S does not support learning rate -> ignore learning schedule + float sched = 0; + callback(callback_data, accum_step, &sched, cancel); + if (*cancel) { + return GGML_OPT_RESULT_CANCEL; + } + } + // ggml_graph_reset (gf); + ggml_set_f32 (f->grad, 1.0f); + ggml_graph_compute(gb, cplan); + ggml_opt_acc_grad(np, ps, g, accum_norm); + *fx += ggml_get_f32_1d(f, 0); + } + *fx *= accum_norm; + + } + + ++count; + + if (*fx > finit + (*step)*dgtest) { + width = dec; + } else { + // Armijo condition is satisfied + if (params->lbfgs.linesearch == GGML_LINESEARCH_BACKTRACKING_ARMIJO) { + return count; + } + + ggml_vec_dot_f32(nx, &dg, 0, g, 0, d, 0, 1); + + // check the Wolfe condition + if (dg < params->lbfgs.wolfe * dginit) { + width = inc; + } else { + if(params->lbfgs.linesearch == GGML_LINESEARCH_BACKTRACKING_WOLFE) { + // regular Wolfe conditions + return count; + } + + if(dg > -params->lbfgs.wolfe*dginit) { + width = dec; + } else { + // strong Wolfe condition (GGML_LINESEARCH_BACKTRACKING_STRONG_WOLFE) + return count; + } + } + } + + if (*step < params->lbfgs.min_step) { + return GGML_LINESEARCH_MINIMUM_STEP; + } + if (*step > params->lbfgs.max_step) { + return GGML_LINESEARCH_MAXIMUM_STEP; + } + if (params->lbfgs.max_linesearch <= count) { + return GGML_LINESEARCH_MAXIMUM_ITERATIONS; + } + + (*step) *= width; + } + + GGML_ASSERT(false && "line search failed"); + + return GGML_LINESEARCH_FAIL; +} + +static enum ggml_opt_result ggml_opt_lbfgs( + struct ggml_context * ctx, + struct ggml_opt_context * opt, + struct ggml_opt_params params, + struct ggml_tensor * f, + struct ggml_cgraph * gf, + struct ggml_cgraph * gb, + ggml_opt_callback callback, + void * callback_data) { + if (params.lbfgs.linesearch == GGML_LINESEARCH_BACKTRACKING_WOLFE || + params.lbfgs.linesearch == GGML_LINESEARCH_BACKTRACKING_STRONG_WOLFE) { + if (params.lbfgs.wolfe <= params.lbfgs.ftol || 1.f <= params.lbfgs.wolfe) { + return GGML_OPT_RESULT_INVALID_WOLFE; + } + } + + const int m = params.lbfgs.m; + + // these will store the parameters we want to optimize + struct ggml_tensor * ps[GGML_MAX_PARAMS]; + + int np = 0; + int nx = 0; + for (int i = 0; i < gf->n_nodes; ++i) { + if (gf->nodes[i]->flags & GGML_TENSOR_FLAG_PARAM) { + GGML_PRINT_DEBUG("found param %d: grad->op = %d\n", np, gf->nodes[i]->grad->op); + + GGML_ASSERT(np < GGML_MAX_PARAMS); + + ps[np++] = gf->nodes[i]; + nx += ggml_nelements(gf->nodes[i]); + } + } + + if ((opt->params.type != params.type) || (opt->nx != nx) || (opt->params.past != params.past) || (opt->params.lbfgs.m != params.lbfgs.m)) { + int iter = opt->iter; + ggml_opt_init(ctx, opt, params, nx); + opt->iter = iter; + } + + struct ggml_cplan cplan = ggml_graph_plan(gb, params.n_threads); + struct ggml_object * obj = ggml_new_object(ctx, GGML_OBJECT_TYPE_WORK_BUFFER, cplan.work_size); + cplan.work_data = (uint8_t *)ctx->mem_buffer + obj->offs; + + float * x = opt->lbfgs.x->data; // current parameters + float * xp = opt->lbfgs.xp->data; // previous parameters + float * g = opt->lbfgs.g->data; // current gradient + float * gp = opt->lbfgs.gp->data; // previous gradient + float * d = opt->lbfgs.d->data; // search direction + + float * pf = params.past > 0 ? opt->lbfgs.pf->data : NULL; // past function values + + const int n_accum = MAX(1, params.n_gradient_accumulation); + const float accum_norm = 1.0f / (float) n_accum; + + float fx = 0.0f; // cost function value + float xnorm = 0.0f; // ||x|| + float gnorm = 0.0f; // ||g|| + + // initialize x from the graph nodes + ggml_opt_get_params(np, ps, x); + + // the L-BFGS memory + float * lm_alpha = opt->lbfgs.lmal->data; + float * lm_ys = opt->lbfgs.lmys->data; + float * lm_s = opt->lbfgs.lms->data; + float * lm_y = opt->lbfgs.lmy->data; + + bool cancel = false; + + // evaluate the function value and its gradient + { + ggml_opt_set_params(np, ps, x); + + fx = 0; + memset(g, 0, sizeof(float)*nx); + for (int accum_step = 0; accum_step < n_accum; ++accum_step) { + if (callback) { + // LBFG-S does not support learning rate -> ignore learning schedule + float sched = 0; + callback(callback_data, accum_step, &sched, &cancel); + if (cancel) { + return GGML_OPT_RESULT_CANCEL; + } + } + // ggml_graph_reset (gf); + ggml_set_f32 (f->grad, 1.0f); + ggml_graph_compute(gb, &cplan); + ggml_opt_acc_grad(np, ps, g, accum_norm); + fx += ggml_get_f32_1d(f, 0); + } + fx *= accum_norm; + + opt->loss_before = fx; + opt->loss_after = fx; + } + + // search direction = -gradient + ggml_vec_neg_f32(nx, d, g); + + // ||x||, ||g|| + ggml_vec_norm_f32(nx, &xnorm, x); + ggml_vec_norm_f32(nx, &gnorm, g); + + if (xnorm < 1.0f) { + xnorm = 1.0f; + } + + // already optimized + if (gnorm/xnorm <= params.lbfgs.eps) { + return GGML_OPT_RESULT_OK; + } + + if (opt->just_initialized) { + if (pf) { + pf[0] = fx; + } + opt->lbfgs.fx_best = fx; + + // initial step + ggml_vec_norm_inv_f32(nx, &opt->lbfgs.step, d); + opt->lbfgs.j = 0; + opt->lbfgs.k = 1; + opt->lbfgs.end = 0; + opt->lbfgs.n_no_improvement = 0; + opt->just_initialized = false; + } + + float * fx_best = &opt->lbfgs.fx_best; + float * step = &opt->lbfgs.step; + int * j = &opt->lbfgs.j; + int * k = &opt->lbfgs.k; + int * end = &opt->lbfgs.end; + int * n_no_improvement = &opt->lbfgs.n_no_improvement; + + int ls = 0; + int bound = 0; + + float ys = 0.0f; + float yy = 0.0f; + float beta = 0.0f; + + int it = 0; + + while (true) { + // store the current position and gradient vectors + ggml_vec_cpy_f32(nx, xp, x); + ggml_vec_cpy_f32(nx, gp, g); + + // TODO: instead of passing &cancel here, use the return code of the linesearch + // to determine if the optimization should be cancelled + // this is a simple change, but not doing this atm, since I don't have a nice + // way to test and don't want to break something with so many changes lined up + ls = linesearch_backtracking(¶ms, nx, x, &fx, g, d, step, xp, f, gb, &cplan, np, ps, &cancel, callback, callback_data); + if (cancel) { + return GGML_OPT_RESULT_CANCEL; + } + + if (ls < 0) { + // linesearch failed - go back to the previous point and return + ggml_vec_cpy_f32(nx, x, xp); + ggml_vec_cpy_f32(nx, g, gp); + + return ls; + } + + opt->loss_after = fx; + + ggml_vec_norm_f32(nx, &xnorm, x); + ggml_vec_norm_f32(nx, &gnorm, g); + + GGML_PRINT_DEBUG("f = %10.6f\n", ggml_get_f32_1d(f, 0)); + + if (xnorm < 1.0f) { + xnorm = 1.0f; + } + if (gnorm/xnorm <= params.lbfgs.eps) { + // converged + return GGML_OPT_RESULT_OK; + } + + // delta-based convergence test + if (pf != NULL) { + // need at least params.past iterations to start checking for convergence + if (params.past <= k[0]) { + const float rate = (pf[k[0]%params.past] - fx)/fx; + + if (fabsf(rate) < params.delta) { + return GGML_OPT_RESULT_OK; + } + } + + pf[k[0]%params.past] = fx; + } + + // check for improvement + if (params.max_no_improvement > 0) { + if (fx < fx_best[0]) { + fx_best[0] = fx; + n_no_improvement[0] = 0; + } else { + n_no_improvement[0]++; + + if (n_no_improvement[0] >= params.max_no_improvement) { + return GGML_OPT_RESULT_OK; + } + } + } + + if (params.lbfgs.n_iter != 0 && params.lbfgs.n_iter < it + 1) { + // reached the maximum number of iterations + return GGML_OPT_RESULT_DID_NOT_CONVERGE; + } + + // update vectors s and y: + // s_{k+1} = x_{k+1} - x_{k} = \step * d_{k}. + // y_{k+1} = g_{k+1} - g_{k}. + // + ggml_vec_sub_f32(nx, &lm_s[end[0]*nx], x, xp); + ggml_vec_sub_f32(nx, &lm_y[end[0]*nx], g, gp); + + // compute scalars ys and yy: + // ys = y^t \cdot s -> 1 / \rho. + // yy = y^t \cdot y. + // + ggml_vec_dot_f32(nx, &ys, 0, &lm_y[end[0]*nx], 0, &lm_s[end[0]*nx], 0, 1); + ggml_vec_dot_f32(nx, &yy, 0, &lm_y[end[0]*nx], 0, &lm_y[end[0]*nx], 0, 1); + + lm_ys[end[0]] = ys; + + // find new search direction + // ref: https://en.wikipedia.org/wiki/Limited-memory_BFGS + + bound = (m <= k[0]) ? m : k[0]; + k[0]++; + it++; + end[0] = (end[0] + 1)%m; + + // initialize search direction with -g + ggml_vec_neg_f32(nx, d, g); + + j[0] = end[0]; + for (int i = 0; i < bound; ++i) { + j[0] = (j[0] + m - 1) % m; + // \alpha_{j} = \rho_{j} s^{t}_{j} \cdot q_{k+1} + ggml_vec_dot_f32(nx, &lm_alpha[j[0]], 0, &lm_s[j[0]*nx], 0, d, 0, 1); + lm_alpha[j[0]] /= lm_ys[j[0]]; + // q_{i} = q_{i+1} - \alpha_{i} y_{i} + ggml_vec_mad_f32(nx, d, &lm_y[j[0]*nx], -lm_alpha[j[0]]); + } + + ggml_vec_scale_f32(nx, d, ys/yy); + + for (int i = 0; i < bound; ++i) { + // \beta_{j} = \rho_{j} y^t_{j} \cdot \gamma_{i} + ggml_vec_dot_f32(nx, &beta, 0, &lm_y[j[0]*nx], 0, d, 0, 1); + beta /= lm_ys[j[0]]; + // \gamma_{i+1} = \gamma_{i} + (\alpha_{j} - \beta_{j}) s_{j} + ggml_vec_mad_f32(nx, d, &lm_s[j[0]*nx], lm_alpha[j[0]] - beta); + j[0] = (j[0] + 1)%m; + } + + step[0] = 1.0; + } + + GGML_ASSERT(false && "lbfgs failed"); + + return GGML_OPT_RESULT_DID_NOT_CONVERGE; +} + +struct ggml_opt_params ggml_opt_default_params(enum ggml_opt_type type) { + struct ggml_opt_params result; + + switch (type) { + case GGML_OPT_TYPE_ADAM: + { + result = (struct ggml_opt_params) { + .type = GGML_OPT_TYPE_ADAM, + .graph_size = GGML_DEFAULT_GRAPH_SIZE, + .n_threads = 1, // FIXME: GGML_DEFAULT_N_THREADS ? + .past = 0, + .delta = 1e-5f, + + .max_no_improvement = 100, + + .print_forward_graph = true, + .print_backward_graph = true, + + .n_gradient_accumulation = 1, + + .adam = { + .n_iter = 10000, + .sched = 1.000f, + .decay = 0.0f, + .decay_min_ndim = 2, + .alpha = 0.001f, + .beta1 = 0.9f, + .beta2 = 0.999f, + .eps = 1e-8f, + .eps_f = 1e-5f, + .eps_g = 1e-3f, + .gclip = 0.0f, + }, + }; + } break; + case GGML_OPT_TYPE_LBFGS: + { + result = (struct ggml_opt_params) { + .type = GGML_OPT_TYPE_LBFGS, + .graph_size = GGML_DEFAULT_GRAPH_SIZE, + .n_threads = 1, + .past = 0, + .delta = 1e-5f, + + .max_no_improvement = 0, + + .print_forward_graph = true, + .print_backward_graph = true, + + .n_gradient_accumulation = 1, + + .lbfgs = { + .m = 6, + .n_iter = 100, + .max_linesearch = 20, + + .eps = 1e-5f, + .ftol = 1e-4f, + .wolfe = 0.9f, + .min_step = 1e-20f, + .max_step = 1e+20f, + + .linesearch = GGML_LINESEARCH_DEFAULT, + }, + }; + } break; + } + + return result; +} + +GGML_API void ggml_opt_init( + struct ggml_context * ctx, + struct ggml_opt_context * opt, + struct ggml_opt_params params, + int64_t nx) { + opt->ctx = ctx; + opt->params = params; + opt->iter = 0; + opt->nx = nx; + opt->just_initialized = true; + if (opt->ctx == NULL) { + struct ggml_init_params ctx_opt_params; + if (opt->params.type == GGML_OPT_TYPE_ADAM) { + ctx_opt_params.mem_size = GGML_MEM_ALIGN*3 + ggml_tensor_overhead()*3 + ggml_type_size(GGML_TYPE_F32)*nx*3; + if (opt->params.past > 0) { + ctx_opt_params.mem_size += GGML_MEM_ALIGN + ggml_tensor_overhead() + ggml_type_size(GGML_TYPE_F32)*opt->params.past; + } + } else if (opt->params.type == GGML_OPT_TYPE_LBFGS) { + ctx_opt_params.mem_size = GGML_MEM_ALIGN*9 + ggml_tensor_overhead()*9 + ggml_type_size(GGML_TYPE_F32)*(nx*5 + opt->params.lbfgs.m*2 + nx*opt->params.lbfgs.m*2); + if (opt->params.past > 0) { + ctx_opt_params.mem_size += GGML_MEM_ALIGN + ggml_tensor_overhead() + ggml_type_size(GGML_TYPE_F32)*opt->params.past; + } + } + ctx_opt_params.mem_buffer = NULL; + ctx_opt_params.no_alloc = false; + + opt->ctx = ggml_init(ctx_opt_params); + } + switch (opt->params.type) { + case GGML_OPT_TYPE_ADAM: + { + opt->adam.g = ggml_new_tensor_1d(opt->ctx, GGML_TYPE_F32, nx); + opt->adam.m = ggml_new_tensor_1d(opt->ctx, GGML_TYPE_F32, nx); + opt->adam.v = ggml_new_tensor_1d(opt->ctx, GGML_TYPE_F32, nx); + opt->adam.pf = params.past > 0 + ? ggml_new_tensor_1d(opt->ctx, GGML_TYPE_F32, params.past) + : NULL; + ggml_set_zero(opt->adam.m); + ggml_set_zero(opt->adam.v); + if (opt->adam.pf) { + ggml_set_zero(opt->adam.pf); + } + } break; + case GGML_OPT_TYPE_LBFGS: + { + opt->lbfgs.x = ggml_new_tensor_1d(opt->ctx, GGML_TYPE_F32, nx); + opt->lbfgs.xp = ggml_new_tensor_1d(opt->ctx, GGML_TYPE_F32, nx); + opt->lbfgs.g = ggml_new_tensor_1d(opt->ctx, GGML_TYPE_F32, nx); + opt->lbfgs.gp = ggml_new_tensor_1d(opt->ctx, GGML_TYPE_F32, nx); + opt->lbfgs.d = ggml_new_tensor_1d(opt->ctx, GGML_TYPE_F32, nx); + opt->lbfgs.pf = params.past > 0 + ? ggml_new_tensor_1d(opt->ctx, GGML_TYPE_F32, params.past) + : NULL; + opt->lbfgs.lmal = ggml_new_tensor_1d(opt->ctx, GGML_TYPE_F32, params.lbfgs.m); + opt->lbfgs.lmys = ggml_new_tensor_1d(opt->ctx, GGML_TYPE_F32, params.lbfgs.m); + opt->lbfgs.lms = ggml_new_tensor_2d(opt->ctx, GGML_TYPE_F32, nx, params.lbfgs.m); + opt->lbfgs.lmy = ggml_new_tensor_2d(opt->ctx, GGML_TYPE_F32, nx, params.lbfgs.m); + ggml_set_zero(opt->lbfgs.x); + ggml_set_zero(opt->lbfgs.xp); + ggml_set_zero(opt->lbfgs.g); + ggml_set_zero(opt->lbfgs.gp); + ggml_set_zero(opt->lbfgs.d); + if (opt->lbfgs.pf) { + ggml_set_zero(opt->lbfgs.pf); + } + ggml_set_zero(opt->lbfgs.lmal); + ggml_set_zero(opt->lbfgs.lmys); + ggml_set_zero(opt->lbfgs.lms); + ggml_set_zero(opt->lbfgs.lmy); + } break; + } +} + +enum ggml_opt_result ggml_opt( + struct ggml_context * ctx, + struct ggml_opt_params params, + struct ggml_tensor * f) { + bool free_ctx = false; + if (ctx == NULL) { + struct ggml_init_params params_ctx = { + .mem_size = 16*1024*1024, + .mem_buffer = NULL, + .no_alloc = false, + }; + + ctx = ggml_init(params_ctx); + if (ctx == NULL) { + return GGML_OPT_RESULT_NO_CONTEXT; + } + + free_ctx = true; + } + + enum ggml_opt_result result = GGML_OPT_RESULT_OK; + + struct ggml_opt_context * opt = (struct ggml_opt_context *) alloca(sizeof(struct ggml_opt_context)); + + ggml_opt_init(ctx, opt, params, 0); + result = ggml_opt_resume(ctx, opt, f); + + if (free_ctx) { + ggml_free(ctx); + } + + return result; +} + +enum ggml_opt_result ggml_opt_resume( + struct ggml_context * ctx, + struct ggml_opt_context * opt, + struct ggml_tensor * f) { + + // build forward + backward compute graphs + struct ggml_cgraph * gf = ggml_new_graph_custom(ctx, opt->params.graph_size, true); + ggml_build_forward_expand(gf, f); + + struct ggml_cgraph * gb = ggml_graph_dup(ctx, gf); + ggml_build_backward_expand(ctx, gf, gb, true); + + return ggml_opt_resume_g(ctx, opt, f, gf, gb, NULL, NULL); +} + +enum ggml_opt_result ggml_opt_resume_g( + struct ggml_context * ctx, + struct ggml_opt_context * opt, + struct ggml_tensor * f, + struct ggml_cgraph * gf, + struct ggml_cgraph * gb, + ggml_opt_callback callback, + void * callback_data) { + + // build forward + backward compute graphs + enum ggml_opt_result result = GGML_OPT_RESULT_OK; + + switch (opt->params.type) { + case GGML_OPT_TYPE_ADAM: + { + result = ggml_opt_adam(ctx, opt, opt->params, f, gf, gb, callback, callback_data); + } break; + case GGML_OPT_TYPE_LBFGS: + { + result = ggml_opt_lbfgs(ctx, opt, opt->params, f, gf, gb, callback, callback_data); + } break; + } + + if (opt->params.print_forward_graph) { + ggml_graph_print (gf); + ggml_graph_dump_dot(gf, NULL, "opt-forward.dot"); + } + + if (opt->params.print_backward_graph) { + ggml_graph_print (gb); + ggml_graph_dump_dot(gb, gf, "opt-backward.dot"); + } + + return result; +} + +//////////////////////////////////////////////////////////////////////////////// + +void ggml_set_input(struct ggml_tensor * tensor) { + tensor->flags |= GGML_TENSOR_FLAG_INPUT; +} + +void ggml_set_output(struct ggml_tensor * tensor) { + tensor->flags |= GGML_TENSOR_FLAG_OUTPUT; +} + +//////////////////////////////////////////////////////////////////////////////// + +void ggml_quantize_init(enum ggml_type type) { + ggml_critical_section_start(); + + switch (type) { + case GGML_TYPE_IQ2_XXS: + case GGML_TYPE_IQ2_XS: + case GGML_TYPE_IQ2_S: + case GGML_TYPE_IQ1_S: + case GGML_TYPE_IQ1_M: iq2xs_init_impl(type); break; + case GGML_TYPE_IQ3_XXS: iq3xs_init_impl(256); break; + case GGML_TYPE_IQ3_S: iq3xs_init_impl(512); break; + default: // nothing + break; + } + + ggml_critical_section_end(); +} + +void ggml_quantize_free(void) { + ggml_critical_section_start(); + + iq2xs_free_impl(GGML_TYPE_IQ2_XXS); + iq2xs_free_impl(GGML_TYPE_IQ2_XS); + iq2xs_free_impl(GGML_TYPE_IQ1_S); + iq3xs_free_impl(256); + + ggml_critical_section_end(); +} + +bool ggml_quantize_requires_imatrix(enum ggml_type type) { + return + type == GGML_TYPE_IQ2_XXS || + type == GGML_TYPE_IQ2_XS || + type == GGML_TYPE_IQ1_S;// || + //type == GGML_TYPE_IQ1_M; +} + +size_t ggml_quantize_chunk( + enum ggml_type type, + const float * src, + void * dst, + int64_t start, + int64_t nrows, + int64_t n_per_row, + const float * imatrix) { + const int64_t n = (int64_t) nrows * n_per_row; + + if (ggml_quantize_requires_imatrix(type)) { + GGML_ASSERT(imatrix != NULL); + } + + GGML_ASSERT(start % type_traits[type].blck_size == 0); + GGML_ASSERT(start % n_per_row == 0); + + ggml_quantize_init(type); // this is noop if already initialized + + const size_t start_row = start / n_per_row; + const size_t row_size = ggml_row_size(type, n_per_row); + + size_t result = 0; + + switch (type) { + case GGML_TYPE_Q4_0: result = quantize_q4_0(src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_Q4_1: result = quantize_q4_1(src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_Q5_0: result = quantize_q5_0(src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_Q5_1: result = quantize_q5_1(src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_Q8_0: result = quantize_q8_0(src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_Q2_K: result = quantize_q2_K(src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_Q3_K: result = quantize_q3_K(src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_Q4_K: result = quantize_q4_K(src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_Q5_K: result = quantize_q5_K(src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_Q6_K: result = quantize_q6_K(src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_IQ2_XXS: result = quantize_iq2_xxs(src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_IQ2_XS: result = quantize_iq2_xs (src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_IQ3_XXS: result = quantize_iq3_xxs(src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_IQ3_S: result = quantize_iq3_s (src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_IQ2_S: result = quantize_iq2_s (src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_IQ1_S: result = quantize_iq1_s (src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_IQ1_M: result = quantize_iq1_m (src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_IQ1_BN: result = quantize_iq1_bn (src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_IQ2_BN: result = quantize_iq2_bn (src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_IQ4_NL: result = quantize_iq4_nl (src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_IQ4_XS: result = quantize_iq4_xs (src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_Q4_0_4_4: result = quantize_q4_0_4x4(src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_Q4_0_4_8: result = quantize_q4_0_4x8(src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_Q4_0_8_8: result = quantize_q4_0_8x8(src + start, (char *) dst + start_row * row_size, nrows, n_per_row, imatrix); break; + case GGML_TYPE_F16: + { + size_t elemsize = sizeof(ggml_fp16_t); + ggml_fp32_to_fp16_row(src + start, (ggml_fp16_t *)dst + start, n); + result = n * elemsize; + } break; + case GGML_TYPE_BF16: + { + size_t elemsize = sizeof(ggml_bf16_t); + ggml_fp32_to_bf16_row(src + start, (ggml_bf16_t *)dst + start, n); + result = n * elemsize; + } break; + case GGML_TYPE_F32: + { + size_t elemsize = sizeof(float); + result = n * elemsize; + memcpy((uint8_t *)dst + start * elemsize, src + start, result); + } break; + default: + assert(false); + } + + GGML_ASSERT(result == nrows * row_size); + + return result; +} + +//////////////////////////////////////////////////////////////////////////////// + +struct gguf_str { + uint64_t n; // GGUFv2 + char * data; +}; + +static const size_t GGUF_TYPE_SIZE[GGUF_TYPE_COUNT] = { + [GGUF_TYPE_UINT8] = sizeof(uint8_t), + [GGUF_TYPE_INT8] = sizeof(int8_t), + [GGUF_TYPE_UINT16] = sizeof(uint16_t), + [GGUF_TYPE_INT16] = sizeof(int16_t), + [GGUF_TYPE_UINT32] = sizeof(uint32_t), + [GGUF_TYPE_INT32] = sizeof(int32_t), + [GGUF_TYPE_FLOAT32] = sizeof(float), + [GGUF_TYPE_BOOL] = sizeof(bool), + [GGUF_TYPE_STRING] = sizeof(struct gguf_str), + [GGUF_TYPE_UINT64] = sizeof(uint64_t), + [GGUF_TYPE_INT64] = sizeof(int64_t), + [GGUF_TYPE_FLOAT64] = sizeof(double), + [GGUF_TYPE_ARRAY] = 0, // undefined +}; +static_assert(GGUF_TYPE_COUNT == 13, "GGUF_TYPE_COUNT != 13"); + +static const char * GGUF_TYPE_NAME[GGUF_TYPE_COUNT] = { + [GGUF_TYPE_UINT8] = "u8", + [GGUF_TYPE_INT8] = "i8", + [GGUF_TYPE_UINT16] = "u16", + [GGUF_TYPE_INT16] = "i16", + [GGUF_TYPE_UINT32] = "u32", + [GGUF_TYPE_INT32] = "i32", + [GGUF_TYPE_FLOAT32] = "f32", + [GGUF_TYPE_BOOL] = "bool", + [GGUF_TYPE_STRING] = "str", + [GGUF_TYPE_ARRAY] = "arr", + [GGUF_TYPE_UINT64] = "u64", + [GGUF_TYPE_INT64] = "i64", + [GGUF_TYPE_FLOAT64] = "f64", +}; +static_assert(GGUF_TYPE_COUNT == 13, "GGUF_TYPE_COUNT != 13"); + +union gguf_value { + uint8_t uint8; + int8_t int8; + uint16_t uint16; + int16_t int16; + uint32_t uint32; + int32_t int32; + float float32; + uint64_t uint64; + int64_t int64; + double float64; + bool bool_; + + struct gguf_str str; + + struct { + enum gguf_type type; + + uint64_t n; // GGUFv2 + void * data; + } arr; +}; + +struct gguf_kv { + struct gguf_str key; + + enum gguf_type type; + union gguf_value value; +}; + +struct gguf_header { + char magic[4]; + + uint32_t version; + uint64_t n_tensors; // GGUFv2 + uint64_t n_kv; // GGUFv2 +}; + +struct gguf_tensor_info { + struct gguf_str name; + + uint32_t n_dims; + uint64_t ne[GGML_MAX_DIMS]; + + enum ggml_type type; + + uint64_t offset; // offset from start of `data`, must be a multiple of `ALIGNMENT` + + // for writing API + const void * data; + size_t size; +}; + +struct gguf_context { + struct gguf_header header; + + struct gguf_kv * kv; + struct gguf_tensor_info * infos; + + size_t alignment; + size_t offset; // offset of `data` from beginning of file + size_t size; // size of `data` in bytes + + //uint8_t * padding; + void * data; +}; + +static size_t gguf_type_size(enum gguf_type type) { + GGML_ASSERT(0 <= type && type < GGUF_TYPE_COUNT); + return GGUF_TYPE_SIZE[type]; +} + +static void gguf_tensor_info_sanitize(struct gguf_tensor_info * info) { + GGML_ASSERT(info->n_dims <= GGML_MAX_DIMS); + GGML_ASSERT(0 <= info->type && info->type < GGML_TYPE_COUNT); + + for (uint32_t i = 0; i < info->n_dims; ++i) { + GGML_ASSERT(info->ne[i] > 0); + } + + // prevent overflow for total number of elements + GGML_ASSERT(INT64_MAX/info->ne[1] > info->ne[0]); + GGML_ASSERT(INT64_MAX/info->ne[2] > info->ne[0]*info->ne[1]); + GGML_ASSERT(INT64_MAX/info->ne[3] > info->ne[0]*info->ne[1]*info->ne[2]); +} + +static bool gguf_fread_el(FILE * file, void * dst, size_t size, size_t * offset) { + const size_t n = fread(dst, 1, size, file); + *offset += n; + return n == size; +} + +static bool gguf_fread_str(FILE * file, struct gguf_str * p, size_t * offset) { + p->n = 0; + p->data = NULL; + + bool ok = true; + + ok = ok && gguf_fread_el(file, &p->n, sizeof(p->n), offset); + + // early exit if string length is invalid, prevents from integer overflow + if (p->n == SIZE_MAX) { + fprintf(stderr, "%s: invalid string length (%" PRIu64 ")\n", __func__, p->n); + return false; + } + + p->data = GGML_CALLOC(p->n + 1, 1); + + ok = ok && gguf_fread_el(file, p->data, p->n, offset); + + return ok; +} + +static void gguf_free_kv(struct gguf_kv * kv) { + if (kv->key.data) { + GGML_FREE(kv->key.data); + } + + if (kv->type == GGUF_TYPE_STRING) { + if (kv->value.str.data) { + GGML_FREE(kv->value.str.data); + } + } + + if (kv->type == GGUF_TYPE_ARRAY) { + if (kv->value.arr.data) { + if (kv->value.arr.type == GGUF_TYPE_STRING) { + for (uint64_t j = 0; j < kv->value.arr.n; ++j) { + struct gguf_str * str = &((struct gguf_str *) kv->value.arr.data)[j]; + if (str->data) { + GGML_FREE(str->data); + } + } + } + GGML_FREE(kv->value.arr.data); + } + } +} + +struct gguf_context * gguf_init_empty(void) { + struct gguf_context * ctx = GGML_CALLOC(1, sizeof(struct gguf_context)); + + memcpy(ctx->header.magic, GGUF_MAGIC, sizeof(ctx->header.magic)); + ctx->header.version = GGUF_VERSION; + ctx->header.n_tensors = 0; + ctx->header.n_kv = 0; + + ctx->kv = NULL; + ctx->infos = NULL; + + ctx->alignment = GGUF_DEFAULT_ALIGNMENT; + ctx->offset = 0; + ctx->size = 0; + + ctx->data = NULL; + + return ctx; +} + +struct gguf_context * gguf_init_from_file(const char * fname, struct gguf_init_params params) { + FILE * file = ggml_fopen(fname, "rb"); + if (!file) { + fprintf(stderr, "%s: failed to open '%s': '%s'\n", __func__, fname, strerror(errno)); + return NULL; + } + + // offset from start of file + size_t offset = 0; + + char magic[4]; + + // check the magic before making allocations + { + gguf_fread_el(file, &magic, sizeof(magic), &offset); + + for (uint32_t i = 0; i < sizeof(magic); i++) { + if (magic[i] != GGUF_MAGIC[i]) { + fprintf(stderr, "%s: invalid magic characters '%c%c%c%c'\n", __func__, magic[0], magic[1], magic[2], magic[3]); + fclose(file); + return NULL; + } + } + } + + bool ok = true; + + struct gguf_context * ctx = GGML_CALLOC(1, sizeof(struct gguf_context)); + + // read the header + { + strncpy(ctx->header.magic, magic, 4); + + ctx->kv = NULL; + ctx->infos = NULL; + ctx->data = NULL; + + ok = ok && gguf_fread_el(file, &ctx->header.version, sizeof(ctx->header.version), &offset); + ok = ok && gguf_fread_el(file, &ctx->header.n_tensors, sizeof(ctx->header.n_tensors), &offset); + ok = ok && gguf_fread_el(file, &ctx->header.n_kv, sizeof(ctx->header.n_kv), &offset); + + if (ctx->header.version == 1) { + fprintf(stderr, "%s: GGUFv1 is no longer supported. please use a more up-to-date version\n", __func__); + fclose(file); + gguf_free(ctx); + return NULL; + } + + // sanity-checks to prevent from integer/buffer overflows + + ok = ok && (ctx->header.n_tensors < (SIZE_MAX/2)/sizeof(struct gguf_tensor_info)); + ok = ok && (ctx->header.n_tensors < (SIZE_MAX/2)/ggml_tensor_overhead()); + ok = ok && (ctx->header.n_kv < (SIZE_MAX/2)/sizeof(struct gguf_kv)); + + if (!ok) { + fprintf(stderr, "%s: failed to read header\n", __func__); + fclose(file); + gguf_free(ctx); + return NULL; + } + } + + // read the kv pairs + { + const uint64_t n_kv = ctx->header.n_kv; + + // header.n_kv will hold the actual value of pairs that were successfully read in the loop below + ctx->header.n_kv = 0; + ctx->kv = GGML_CALLOC(n_kv, sizeof(struct gguf_kv)); + + for (uint64_t i = 0; i < n_kv; ++i) { + struct gguf_kv * kv = &ctx->kv[i]; + + //fprintf(stderr, "%s: reading kv %d\n", __func__, i); + + ok = ok && gguf_fread_str(file, &kv->key, &offset); + ok = ok && gguf_fread_el (file, &kv->type, sizeof(kv->type), &offset); + + //fprintf(stderr, "%s: reading kv with key %s\n", __func__, kv->key.data); + + switch (kv->type) { + case GGUF_TYPE_UINT8: ok = ok && gguf_fread_el (file, &kv->value.uint8, sizeof(kv->value.uint8), &offset); break; + case GGUF_TYPE_INT8: ok = ok && gguf_fread_el (file, &kv->value.int8, sizeof(kv->value.int8), &offset); break; + case GGUF_TYPE_UINT16: ok = ok && gguf_fread_el (file, &kv->value.uint16, sizeof(kv->value.uint16), &offset); break; + case GGUF_TYPE_INT16: ok = ok && gguf_fread_el (file, &kv->value.int16, sizeof(kv->value.int16), &offset); break; + case GGUF_TYPE_UINT32: ok = ok && gguf_fread_el (file, &kv->value.uint32, sizeof(kv->value.uint32), &offset); break; + case GGUF_TYPE_INT32: ok = ok && gguf_fread_el (file, &kv->value.int32, sizeof(kv->value.int32), &offset); break; + case GGUF_TYPE_FLOAT32: ok = ok && gguf_fread_el (file, &kv->value.float32, sizeof(kv->value.float32), &offset); break; + case GGUF_TYPE_UINT64: ok = ok && gguf_fread_el (file, &kv->value.uint64, sizeof(kv->value.uint64), &offset); break; + case GGUF_TYPE_INT64: ok = ok && gguf_fread_el (file, &kv->value.int64, sizeof(kv->value.int64), &offset); break; + case GGUF_TYPE_FLOAT64: ok = ok && gguf_fread_el (file, &kv->value.float64, sizeof(kv->value.float64), &offset); break; + case GGUF_TYPE_BOOL: ok = ok && gguf_fread_el (file, &kv->value.bool_, sizeof(kv->value.bool_), &offset); break; + case GGUF_TYPE_STRING: ok = ok && gguf_fread_str(file, &kv->value.str, &offset); break; + case GGUF_TYPE_ARRAY: + { + ok = ok && gguf_fread_el(file, &kv->value.arr.type, sizeof(kv->value.arr.type), &offset); + ok = ok && gguf_fread_el(file, &kv->value.arr.n, sizeof(kv->value.arr.n), &offset); + + switch (kv->value.arr.type) { + case GGUF_TYPE_UINT8: + case GGUF_TYPE_INT8: + case GGUF_TYPE_UINT16: + case GGUF_TYPE_INT16: + case GGUF_TYPE_UINT32: + case GGUF_TYPE_INT32: + case GGUF_TYPE_FLOAT32: + case GGUF_TYPE_UINT64: + case GGUF_TYPE_INT64: + case GGUF_TYPE_FLOAT64: + case GGUF_TYPE_BOOL: + { + // prevent from integer overflow in the malloc below + if (kv->value.arr.n >= SIZE_MAX/gguf_type_size(kv->value.arr.type)) { + fprintf(stderr, "%s: array size is too large (%" PRIu64 ")\n", __func__, kv->value.arr.n); + fclose(file); + gguf_free(ctx); + return NULL; + } + + kv->value.arr.data = GGML_CALLOC(kv->value.arr.n, gguf_type_size(kv->value.arr.type)); + + ok = ok && gguf_fread_el(file, kv->value.arr.data, kv->value.arr.n * gguf_type_size(kv->value.arr.type), &offset); + } break; + case GGUF_TYPE_STRING: + { + // prevent from integer overflow in the malloc below + if (kv->value.arr.n >= SIZE_MAX/sizeof(struct gguf_str)) { + fprintf(stderr, "%s: array size is too large (%" PRIu64 ")\n", __func__, kv->value.arr.n); + fclose(file); + gguf_free(ctx); + return NULL; + } + + kv->value.arr.data = GGML_CALLOC(kv->value.arr.n, sizeof(struct gguf_str)); + + for (uint64_t j = 0; j < kv->value.arr.n; ++j) { + ok = ok && gguf_fread_str(file, &((struct gguf_str *) kv->value.arr.data)[j], &offset); + } + } break; + case GGUF_TYPE_ARRAY: + default: GGML_ASSERT(false && "invalid type"); break; + } + } break; + default: GGML_ASSERT(false && "invalid type"); + } + + if (!ok) { + break; + } + + ctx->header.n_kv++; + } + + if (!ok) { + fprintf(stderr, "%s: failed to read key-value pairs\n", __func__); + fclose(file); + gguf_free(ctx); + return NULL; + } + } + + // read the tensor infos + if (ctx->header.n_tensors > 0) { + ctx->infos = GGML_CALLOC(ctx->header.n_tensors, sizeof(struct gguf_tensor_info)); + + for (uint64_t i = 0; i < ctx->header.n_tensors; ++i) { + struct gguf_tensor_info * info = &ctx->infos[i]; + + for (int j = 0; j < GGML_MAX_DIMS; ++j) { + info->ne[j] = 1; + } + + ok = ok && gguf_fread_str(file, &info->name, &offset); + ok = ok && gguf_fread_el (file, &info->n_dims, sizeof(info->n_dims), &offset); + + ok = ok && (info->n_dims <= GGML_MAX_DIMS); + + for (uint32_t j = 0; j < info->n_dims; ++j) { + ok = ok && gguf_fread_el(file, &info->ne[j], sizeof(info->ne[j]), &offset); + } + + ok = ok && gguf_fread_el (file, &info->type, sizeof(info->type), &offset); + ok = ok && gguf_fread_el (file, &info->offset, sizeof(info->offset), &offset); + + // TODO: return an error instead of crashing with GGML_ASSERT + gguf_tensor_info_sanitize(info); + + // make sure there is no duplicated tensor names + for (uint64_t j = 0; j < i && ok; ++j) { + if (strcmp(info->name.data, ctx->infos[j].name.data) == 0) { + fprintf(stderr, "%s: duplicated tensor name %s\n", __func__, info->name.data); + ok = false; + } + } + + if (!ok) { + fprintf(stderr, "%s: failed to read tensor info\n", __func__); + fclose(file); + gguf_free(ctx); + return NULL; + } + } + } + + ctx->alignment = GGUF_DEFAULT_ALIGNMENT; + + int alignment_idx = gguf_find_key(ctx, "general.alignment"); + if (alignment_idx != -1) { + ctx->alignment = gguf_get_val_u32(ctx, alignment_idx); + } + + // we require the data section to be aligned, so take into account any padding + { + const size_t offset_pad = offset % ctx->alignment; + + if (offset_pad != 0) { + offset += ctx->alignment - offset_pad; + fseek(file, offset, SEEK_SET); + } + } + + // store the current file offset - this is where the data section starts + ctx->offset = offset; + + // compute the total size of the data section, taking into account the alignment + { + ctx->size = 0; + for (uint64_t i = 0; i < ctx->header.n_tensors; ++i) { + struct gguf_tensor_info * info = &ctx->infos[i]; + + const int64_t ne = + (int64_t) info->ne[0] * + (int64_t) info->ne[1] * + (int64_t) info->ne[2] * + (int64_t) info->ne[3]; + + if (ne % ggml_blck_size(info->type) != 0) { + fprintf(stderr, "%s: tensor '%s' of type %d (%s) number of elements (%" PRId64 ") is not a multiple of block size (%" PRId64 ")\n", + __func__, info->name.data, (int) info->type, ggml_type_name(info->type), ne, ggml_blck_size(info->type)); + fclose(file); + gguf_free(ctx); + return NULL; + } + + const size_t size_cur = ggml_row_size(info->type, ne); + + ctx->size += GGML_PAD(size_cur, ctx->alignment); + } + } + + // load the tensor data only if requested + if (params.ctx != NULL) { + // if the provided gguf_context is no_alloc, then we create "empty" tensors and do not read the binary blob + // otherwise, we load the binary blob into the created ggml_context as well, and point the "data" members of + // the ggml_tensor structs to the appropriate locations in the binary blob + + // compute the exact size needed for the new ggml_context + const size_t mem_size = + params.no_alloc ? + (ctx->header.n_tensors )*ggml_tensor_overhead() : + (ctx->header.n_tensors + 1)*ggml_tensor_overhead() + ctx->size; + + struct ggml_init_params pdata = { + .mem_size = mem_size, + .mem_buffer = NULL, + .no_alloc = params.no_alloc, + }; + + *params.ctx = ggml_init(pdata); + if (*params.ctx == NULL) { + fprintf(stderr, "%s: failed to initialize context\n", __func__); + fclose(file); + gguf_free(ctx); + return NULL; + } + + struct ggml_context * ctx_data = *params.ctx; + + struct ggml_tensor * data = NULL; + + if (!params.no_alloc) { + data = ggml_new_tensor_1d(ctx_data, GGML_TYPE_I8, ctx->size); + + ok = ok && data != NULL; + + // read the binary blob with the tensor data + ok = ok && gguf_fread_el(file, data->data, ctx->size, &offset); + + if (!ok) { + fprintf(stderr, "%s: failed to read tensor data\n", __func__); + fclose(file); + ggml_free(ctx_data); + gguf_free(ctx); + return NULL; + } + + ctx->data = data->data; + } + + ggml_set_no_alloc(ctx_data, true); + + // create the tensors + for (uint64_t i = 0; i < ctx->header.n_tensors; ++i) { + const int64_t ne[GGML_MAX_DIMS] = { + ctx->infos[i].ne[0], + ctx->infos[i].ne[1], + ctx->infos[i].ne[2], + ctx->infos[i].ne[3], + }; + + struct ggml_tensor * cur = ggml_new_tensor(ctx_data, ctx->infos[i].type, ctx->infos[i].n_dims, ne); + + ok = ok && cur != NULL; + + if (!ok) { + break; + } + + ggml_set_name(cur, ctx->infos[i].name.data); + + // point the data member to the appropriate location in the binary blob using the tensor infos + if (!params.no_alloc) { + //cur->data = (char *) data->data + ctx->infos[i].offset - ctx->offset; // offset from start of file + cur->data = (char *) data->data + ctx->infos[i].offset; // offset from data + } + } + + if (!ok) { + fprintf(stderr, "%s: failed to read the tensor data\n", __func__); + fclose(file); + ggml_free(ctx_data); + gguf_free(ctx); + return NULL; + } + + ggml_set_no_alloc(ctx_data, params.no_alloc); + } + + fclose(file); + + return ctx; +} + +void gguf_free(struct gguf_context * ctx) { + if (ctx == NULL) { + return; + } + + if (ctx->kv) { + // free string memory - not great.. + for (uint64_t i = 0; i < ctx->header.n_kv; ++i) { + gguf_free_kv(&ctx->kv[i]); + } + + GGML_FREE(ctx->kv); + } + + if (ctx->infos) { + for (uint64_t i = 0; i < ctx->header.n_tensors; ++i) { + struct gguf_tensor_info * info = &ctx->infos[i]; + + if (info->name.data) { + GGML_FREE(info->name.data); + } + } + + GGML_FREE(ctx->infos); + } + + GGML_FREE(ctx); +} + +const char * gguf_type_name(enum gguf_type type) { + return GGUF_TYPE_NAME[type]; +} + +int gguf_get_version(const struct gguf_context * ctx) { + return ctx->header.version; +} + +size_t gguf_get_alignment(const struct gguf_context * ctx) { + return ctx->alignment; +} + +size_t gguf_get_data_offset(const struct gguf_context * ctx) { + return ctx->offset; +} + +void * gguf_get_data(const struct gguf_context * ctx) { + return ctx->data; +} + +int gguf_get_n_kv(const struct gguf_context * ctx) { + return ctx->header.n_kv; +} + +int gguf_find_key(const struct gguf_context * ctx, const char * key) { + // return -1 if key not found + int keyfound = -1; + + const int n_kv = gguf_get_n_kv(ctx); + + for (int i = 0; i < n_kv; ++i) { + if (strcmp(key, gguf_get_key(ctx, i)) == 0) { + keyfound = i; + break; + } + } + + return keyfound; +} + +const char * gguf_get_key(const struct gguf_context * ctx, int key_id) { + GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx)); + return ctx->kv[key_id].key.data; +} + +enum gguf_type gguf_get_kv_type(const struct gguf_context * ctx, int key_id) { + GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx)); + return ctx->kv[key_id].type; +} + +enum gguf_type gguf_get_arr_type(const struct gguf_context * ctx, int key_id) { + GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx)); + GGML_ASSERT(ctx->kv[key_id].type == GGUF_TYPE_ARRAY); + return ctx->kv[key_id].value.arr.type; +} + +const void * gguf_get_arr_data(const struct gguf_context * ctx, int key_id) { + GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx)); + GGML_ASSERT(ctx->kv[key_id].type == GGUF_TYPE_ARRAY); + return ctx->kv[key_id].value.arr.data; +} + +const char * gguf_get_arr_str(const struct gguf_context * ctx, int key_id, int i) { + GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx)); + GGML_ASSERT(ctx->kv[key_id].type == GGUF_TYPE_ARRAY); + struct gguf_kv * kv = &ctx->kv[key_id]; + struct gguf_str * str = &((struct gguf_str *) kv->value.arr.data)[i]; + return str->data; +} + +int gguf_get_arr_n(const struct gguf_context * ctx, int key_id) { + GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx)); + GGML_ASSERT(ctx->kv[key_id].type == GGUF_TYPE_ARRAY); + return ctx->kv[key_id].value.arr.n; +} + +uint8_t gguf_get_val_u8(const struct gguf_context * ctx, int key_id) { + GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx)); + GGML_ASSERT(ctx->kv[key_id].type == GGUF_TYPE_UINT8); + return ctx->kv[key_id].value.uint8; +} + +int8_t gguf_get_val_i8(const struct gguf_context * ctx, int key_id) { + GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx)); + GGML_ASSERT(ctx->kv[key_id].type == GGUF_TYPE_INT8); + return ctx->kv[key_id].value.int8; +} + +uint16_t gguf_get_val_u16(const struct gguf_context * ctx, int key_id) { + GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx)); + GGML_ASSERT(ctx->kv[key_id].type == GGUF_TYPE_UINT16); + return ctx->kv[key_id].value.uint16; +} + +int16_t gguf_get_val_i16(const struct gguf_context * ctx, int key_id) { + GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx)); + GGML_ASSERT(ctx->kv[key_id].type == GGUF_TYPE_INT16); + return ctx->kv[key_id].value.int16; +} + +uint32_t gguf_get_val_u32(const struct gguf_context * ctx, int key_id) { + GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx)); + GGML_ASSERT(ctx->kv[key_id].type == GGUF_TYPE_UINT32); + return ctx->kv[key_id].value.uint32; +} + +int32_t gguf_get_val_i32(const struct gguf_context * ctx, int key_id) { + GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx)); + GGML_ASSERT(ctx->kv[key_id].type == GGUF_TYPE_INT32); + return ctx->kv[key_id].value.int32; +} + +float gguf_get_val_f32(const struct gguf_context * ctx, int key_id) { + GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx)); + GGML_ASSERT(ctx->kv[key_id].type == GGUF_TYPE_FLOAT32); + return ctx->kv[key_id].value.float32; +} + +uint64_t gguf_get_val_u64(const struct gguf_context * ctx, int key_id) { + GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx)); + GGML_ASSERT(ctx->kv[key_id].type == GGUF_TYPE_UINT64); + return ctx->kv[key_id].value.uint64; +} + +int64_t gguf_get_val_i64(const struct gguf_context * ctx, int key_id) { + GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx)); + GGML_ASSERT(ctx->kv[key_id].type == GGUF_TYPE_INT64); + return ctx->kv[key_id].value.int64; +} + +double gguf_get_val_f64(const struct gguf_context * ctx, int key_id) { + GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx)); + GGML_ASSERT(ctx->kv[key_id].type == GGUF_TYPE_FLOAT64); + return ctx->kv[key_id].value.float64; +} + +bool gguf_get_val_bool(const struct gguf_context * ctx, int key_id) { + GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx)); + GGML_ASSERT(ctx->kv[key_id].type == GGUF_TYPE_BOOL); + return ctx->kv[key_id].value.bool_; +} + +const char * gguf_get_val_str(const struct gguf_context * ctx, int key_id) { + GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx)); + GGML_ASSERT(ctx->kv[key_id].type == GGUF_TYPE_STRING); + return ctx->kv[key_id].value.str.data; +} + +const void * gguf_get_val_data(const struct gguf_context * ctx, int key_id) { + GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx)); + GGML_ASSERT(ctx->kv[key_id].type != GGUF_TYPE_ARRAY); + GGML_ASSERT(ctx->kv[key_id].type != GGUF_TYPE_STRING); + return &ctx->kv[key_id].value; +} + +int gguf_get_n_tensors(const struct gguf_context * ctx) { + return ctx->header.n_tensors; +} + +int gguf_find_tensor(const struct gguf_context * ctx, const char * name) { + // return -1 if tensor not found + int tensorfound = -1; + + const int n_tensors = gguf_get_n_tensors(ctx); + + for (int i = 0; i < n_tensors; ++i) { + if (strcmp(name, gguf_get_tensor_name(ctx, i)) == 0) { + tensorfound = i; + break; + } + } + + return tensorfound; +} + +size_t gguf_get_tensor_offset(const struct gguf_context * ctx, int i) { + return ctx->infos[i].offset; +} + +char * gguf_get_tensor_name(const struct gguf_context * ctx, int i) { + return ctx->infos[i].name.data; +} + +enum ggml_type gguf_get_tensor_type(const struct gguf_context * ctx, int i) { + return ctx->infos[i].type; +} + +// returns the index +static int gguf_get_or_add_key(struct gguf_context * ctx, const char * key) { + const int idx = gguf_find_key(ctx, key); + if (idx >= 0) { + return idx; + } + + const int n_kv = gguf_get_n_kv(ctx); + + ctx->kv = realloc(ctx->kv, (n_kv + 1) * sizeof(struct gguf_kv)); + ctx->kv[n_kv].key.n = strlen(key); + ctx->kv[n_kv].key.data = strdup(key); + ctx->header.n_kv++; + + return n_kv; +} + +void gguf_remove_key(struct gguf_context * ctx, const char * key) { + const int idx = gguf_find_key(ctx, key); + if (idx >= 0) { + const int n_kv = gguf_get_n_kv(ctx); + gguf_free_kv(&ctx->kv[idx]); + for (int i = idx; i < n_kv-1; ++i) { + ctx->kv[i] = ctx->kv[i+1]; + } + ctx->kv = realloc(ctx->kv, (n_kv - 1) * sizeof(struct gguf_kv)); + ctx->header.n_kv--; + } +} + +void gguf_set_val_u8(struct gguf_context * ctx, const char * key, uint8_t val) { + const int idx = gguf_get_or_add_key(ctx, key); + + ctx->kv[idx].type = GGUF_TYPE_UINT8; + ctx->kv[idx].value.uint8 = val; +} + +void gguf_set_val_i8(struct gguf_context * ctx, const char * key, int8_t val) { + const int idx = gguf_get_or_add_key(ctx, key); + + ctx->kv[idx].type = GGUF_TYPE_INT8; + ctx->kv[idx].value.int8 = val; +} + +void gguf_set_val_u16(struct gguf_context * ctx, const char * key, uint16_t val) { + const int idx = gguf_get_or_add_key(ctx, key); + + ctx->kv[idx].type = GGUF_TYPE_UINT16; + ctx->kv[idx].value.uint16 = val; +} + +void gguf_set_val_i16(struct gguf_context * ctx, const char * key, int16_t val) { + const int idx = gguf_get_or_add_key(ctx, key); + + ctx->kv[idx].type = GGUF_TYPE_INT16; + ctx->kv[idx].value.int16 = val; +} + +void gguf_set_val_u32(struct gguf_context * ctx, const char * key, uint32_t val) { + const int idx = gguf_get_or_add_key(ctx, key); + + ctx->kv[idx].type = GGUF_TYPE_UINT32; + ctx->kv[idx].value.uint32 = val; +} + +void gguf_set_val_i32(struct gguf_context * ctx, const char * key, int32_t val) { + const int idx = gguf_get_or_add_key(ctx, key); + + ctx->kv[idx].type = GGUF_TYPE_INT32; + ctx->kv[idx].value.int32 = val; +} + +void gguf_set_val_f32(struct gguf_context * ctx, const char * key, float val) { + const int idx = gguf_get_or_add_key(ctx, key); + + ctx->kv[idx].type = GGUF_TYPE_FLOAT32; + ctx->kv[idx].value.float32 = val; +} + +void gguf_set_val_u64(struct gguf_context * ctx, const char * key, uint64_t val) { + const int idx = gguf_get_or_add_key(ctx, key); + + ctx->kv[idx].type = GGUF_TYPE_UINT64; + ctx->kv[idx].value.uint64 = val; +} + +void gguf_set_val_i64(struct gguf_context * ctx, const char * key, int64_t val) { + const int idx = gguf_get_or_add_key(ctx, key); + + ctx->kv[idx].type = GGUF_TYPE_INT64; + ctx->kv[idx].value.int64 = val; +} + +void gguf_set_val_f64(struct gguf_context * ctx, const char * key, double val) { + const int idx = gguf_get_or_add_key(ctx, key); + + ctx->kv[idx].type = GGUF_TYPE_FLOAT64; + ctx->kv[idx].value.float64 = val; +} + +void gguf_set_val_bool(struct gguf_context * ctx, const char * key, bool val) { + const int idx = gguf_get_or_add_key(ctx, key); + + ctx->kv[idx].type = GGUF_TYPE_BOOL; + ctx->kv[idx].value.bool_ = val; +} + +void gguf_set_val_str(struct gguf_context * ctx, const char * key, const char * val) { + const int idx = gguf_get_or_add_key(ctx, key); + + ctx->kv[idx].type = GGUF_TYPE_STRING; + ctx->kv[idx].value.str.n = strlen(val); + ctx->kv[idx].value.str.data = strdup(val); +} + +void gguf_set_arr_data(struct gguf_context * ctx, const char * key, enum gguf_type type, const void * data, int n) { + const int idx = gguf_get_or_add_key(ctx, key); + + ctx->kv[idx].type = GGUF_TYPE_ARRAY; + ctx->kv[idx].value.arr.type = type; + ctx->kv[idx].value.arr.n = n; + ctx->kv[idx].value.arr.data = GGML_CALLOC(n, gguf_type_size(type)); + memcpy(ctx->kv[idx].value.arr.data, data, n*gguf_type_size(type)); +} + +void gguf_set_arr_str(struct gguf_context * ctx, const char * key, const char ** data, int n) { + const int idx = gguf_get_or_add_key(ctx, key); + + ctx->kv[idx].type = GGUF_TYPE_ARRAY; + ctx->kv[idx].value.arr.type = GGUF_TYPE_STRING; + ctx->kv[idx].value.arr.n = n; + ctx->kv[idx].value.arr.data = GGML_CALLOC(n, sizeof(struct gguf_str)); + for (int i = 0; i < n; i++) { + struct gguf_str * str = &((struct gguf_str *)ctx->kv[idx].value.arr.data)[i]; + str->n = strlen(data[i]); + str->data = strdup(data[i]); + } +} + +// set or add KV pairs from another context +void gguf_set_kv(struct gguf_context * ctx, struct gguf_context * src) { + for (uint32_t i = 0; i < src->header.n_kv; i++) { + switch (src->kv[i].type) { + case GGUF_TYPE_UINT8: gguf_set_val_u8 (ctx, src->kv[i].key.data, src->kv[i].value.uint8); break; + case GGUF_TYPE_INT8: gguf_set_val_i8 (ctx, src->kv[i].key.data, src->kv[i].value.int8); break; + case GGUF_TYPE_UINT16: gguf_set_val_u16 (ctx, src->kv[i].key.data, src->kv[i].value.uint16); break; + case GGUF_TYPE_INT16: gguf_set_val_i16 (ctx, src->kv[i].key.data, src->kv[i].value.int16); break; + case GGUF_TYPE_UINT32: gguf_set_val_u32 (ctx, src->kv[i].key.data, src->kv[i].value.uint32); break; + case GGUF_TYPE_INT32: gguf_set_val_i32 (ctx, src->kv[i].key.data, src->kv[i].value.int32); break; + case GGUF_TYPE_FLOAT32: gguf_set_val_f32 (ctx, src->kv[i].key.data, src->kv[i].value.float32); break; + case GGUF_TYPE_UINT64: gguf_set_val_u64 (ctx, src->kv[i].key.data, src->kv[i].value.uint64); break; + case GGUF_TYPE_INT64: gguf_set_val_i64 (ctx, src->kv[i].key.data, src->kv[i].value.int64); break; + case GGUF_TYPE_FLOAT64: gguf_set_val_f64 (ctx, src->kv[i].key.data, src->kv[i].value.float64); break; + case GGUF_TYPE_BOOL: gguf_set_val_bool(ctx, src->kv[i].key.data, src->kv[i].value.bool_); break; + case GGUF_TYPE_STRING: gguf_set_val_str (ctx, src->kv[i].key.data, src->kv[i].value.str.data); break; + case GGUF_TYPE_ARRAY: + { + if (src->kv[i].value.arr.type == GGUF_TYPE_STRING) { + const char ** data = GGML_CALLOC(src->kv[i].value.arr.n, sizeof(char *)); + for (uint32_t j = 0; j < src->kv[i].value.arr.n; j++) { + data[j] = ((struct gguf_str *)src->kv[i].value.arr.data)[j].data; + } + gguf_set_arr_str(ctx, src->kv[i].key.data, data, src->kv[i].value.arr.n); + GGML_FREE((void *)data); + } else if (src->kv[i].value.arr.type == GGUF_TYPE_ARRAY) { + GGML_ASSERT(false && "nested arrays not supported"); + } else { + gguf_set_arr_data(ctx, src->kv[i].key.data, src->kv[i].value.arr.type, src->kv[i].value.arr.data, src->kv[i].value.arr.n); + } + } break; + default: GGML_ASSERT(false && "invalid type"); break; + } + } +} + +void gguf_add_tensor( + struct gguf_context * ctx, + const struct ggml_tensor * tensor) { + if (gguf_find_tensor(ctx, tensor->name) != -1) { + GGML_ASSERT(false && "duplicated tensor name"); + } + + const int idx = ctx->header.n_tensors; + ctx->infos = realloc(ctx->infos, (idx + 1)*sizeof(struct gguf_tensor_info)); + + ctx->infos[idx].name.n = strlen(tensor->name); + ctx->infos[idx].name.data = strdup(tensor->name); + + for (int i = 0; i < GGML_MAX_DIMS; ++i) { + ctx->infos[idx].ne[i] = 1; + } + + ctx->infos[idx].n_dims = ggml_n_dims(tensor); + for (uint32_t i = 0; i < ctx->infos[idx].n_dims; i++) { + ctx->infos[idx].ne[i] = tensor->ne[i]; + } + + ctx->infos[idx].type = tensor->type; + ctx->infos[idx].offset = 0; + ctx->infos[idx].data = tensor->data; + ctx->infos[idx].size = ggml_nbytes(tensor); + + if (ctx->header.n_tensors > 0) { + ctx->infos[idx].offset = ctx->infos[idx - 1].offset + GGML_PAD(ctx->infos[idx - 1].size, ctx->alignment); + } + + ctx->header.n_tensors++; +} + +void gguf_set_tensor_type(struct gguf_context * ctx, const char * name, enum ggml_type type) { + const int idx = gguf_find_tensor(ctx, name); + if (idx < 0) { + GGML_ASSERT(false && "tensor not found"); + } + + ctx->infos[idx].type = type; +} + +void gguf_set_tensor_data(struct gguf_context * ctx, const char * name, const void * data, size_t size) { + const int idx = gguf_find_tensor(ctx, name); + if (idx < 0) { + GGML_ASSERT(false && "tensor not found"); + } + + ctx->infos[idx].data = data; + ctx->infos[idx].size = size; + + // update offsets + for (uint32_t i = idx + 1; i < ctx->header.n_tensors; ++i) { + ctx->infos[i].offset = ctx->infos[i - 1].offset + GGML_PAD(ctx->infos[i - 1].size, ctx->alignment); + } +} + +//static void gguf_fwrite_str(FILE * file, const struct gguf_str * val) { +// fwrite(&val->n, sizeof(val->n), 1, file); +// fwrite(val->data, sizeof(char), val->n, file); +//} +// +//static void gguf_fwrite_el(FILE * file, const void * val, size_t size) { +// fwrite(val, sizeof(char), size, file); +//} + +struct gguf_buf { + void * data; + size_t size; + size_t offset; +}; + +static struct gguf_buf gguf_buf_init(size_t size) { + struct gguf_buf buf = { + /*buf.data =*/ size == 0 ? NULL : GGML_CALLOC(1, size), + /*buf.size =*/ size, + /*buf.offset =*/ 0, + }; + + return buf; +} + +static void gguf_buf_free(struct gguf_buf buf) { + if (buf.data) { + GGML_FREE(buf.data); + } +} + +static void gguf_buf_grow(struct gguf_buf * buf, size_t size) { + if (buf->offset + size > buf->size) { + buf->size = 1.5*(buf->offset + size); + if (buf->data) { + buf->data = realloc(buf->data, buf->size); + } + } +} + +static void gguf_bwrite_str(struct gguf_buf * buf, const struct gguf_str * val) { + gguf_buf_grow(buf, sizeof(val->n) + val->n); + + if (buf->data) { + memcpy((char *) buf->data + buf->offset, &val->n, sizeof(val->n)); + } + buf->offset += sizeof(val->n); + + if (buf->data) { + memcpy((char *) buf->data + buf->offset, val->data, val->n); + } + buf->offset += val->n; +} + +static void gguf_bwrite_el(struct gguf_buf * buf, const void * val, size_t el_size) { + gguf_buf_grow(buf, el_size); + + if (buf->data) { + memcpy((char *) buf->data + buf->offset, val, el_size); + } + buf->offset += el_size; +} + +static void gguf_write_to_buf(const struct gguf_context * ctx, struct gguf_buf * buf, bool only_meta) { + // write header + gguf_bwrite_el(buf, &ctx->header.magic, sizeof(ctx->header.magic)); + gguf_bwrite_el(buf, &ctx->header.version, sizeof(ctx->header.version)); + gguf_bwrite_el(buf, &ctx->header.n_tensors, sizeof(ctx->header.n_tensors)); + gguf_bwrite_el(buf, &ctx->header.n_kv, sizeof(ctx->header.n_kv)); + + // write key-value pairs + for (uint32_t i = 0; i < ctx->header.n_kv; ++i) { + struct gguf_kv * kv = &ctx->kv[i]; + + gguf_bwrite_str(buf, &kv->key); + gguf_bwrite_el (buf, &kv->type, sizeof(kv->type)); + + switch (kv->type) { + case GGUF_TYPE_UINT8: gguf_bwrite_el( buf, &kv->value.uint8, sizeof(kv->value.uint8) ); break; + case GGUF_TYPE_INT8: gguf_bwrite_el (buf, &kv->value.int8, sizeof(kv->value.int8) ); break; + case GGUF_TYPE_UINT16: gguf_bwrite_el (buf, &kv->value.uint16, sizeof(kv->value.uint16) ); break; + case GGUF_TYPE_INT16: gguf_bwrite_el (buf, &kv->value.int16, sizeof(kv->value.int16) ); break; + case GGUF_TYPE_UINT32: gguf_bwrite_el (buf, &kv->value.uint32, sizeof(kv->value.uint32) ); break; + case GGUF_TYPE_INT32: gguf_bwrite_el (buf, &kv->value.int32, sizeof(kv->value.int32) ); break; + case GGUF_TYPE_FLOAT32: gguf_bwrite_el (buf, &kv->value.float32, sizeof(kv->value.float32)); break; + case GGUF_TYPE_UINT64: gguf_bwrite_el (buf, &kv->value.uint64, sizeof(kv->value.uint64) ); break; + case GGUF_TYPE_INT64: gguf_bwrite_el (buf, &kv->value.int64, sizeof(kv->value.int64) ); break; + case GGUF_TYPE_FLOAT64: gguf_bwrite_el (buf, &kv->value.float64, sizeof(kv->value.float64)); break; + case GGUF_TYPE_BOOL: gguf_bwrite_el (buf, &kv->value.bool_, sizeof(kv->value.bool_) ); break; + case GGUF_TYPE_STRING: gguf_bwrite_str(buf, &kv->value.str ); break; + case GGUF_TYPE_ARRAY: + { + gguf_bwrite_el(buf, &kv->value.arr.type, sizeof(kv->value.arr.type)); + gguf_bwrite_el(buf, &kv->value.arr.n, sizeof(kv->value.arr.n) ); + + switch (kv->value.arr.type) { + case GGUF_TYPE_UINT8: + case GGUF_TYPE_INT8: + case GGUF_TYPE_UINT16: + case GGUF_TYPE_INT16: + case GGUF_TYPE_UINT32: + case GGUF_TYPE_INT32: + case GGUF_TYPE_FLOAT32: + case GGUF_TYPE_UINT64: + case GGUF_TYPE_INT64: + case GGUF_TYPE_FLOAT64: + case GGUF_TYPE_BOOL: + { + gguf_bwrite_el(buf, kv->value.arr.data, kv->value.arr.n * gguf_type_size(kv->value.arr.type)); + } break; + case GGUF_TYPE_STRING: + { + for (uint32_t j = 0; j < kv->value.arr.n; ++j) { + gguf_bwrite_str(buf, &((struct gguf_str *) kv->value.arr.data)[j]); + } + } break; + case GGUF_TYPE_ARRAY: + default: GGML_ASSERT(false && "invalid type"); break; + } + } break; + default: GGML_ASSERT(false && "invalid type"); + } + } + + // write tensor infos + for (uint32_t i = 0; i < ctx->header.n_tensors; ++i) { + struct gguf_tensor_info * info = &ctx->infos[i]; + + gguf_bwrite_str(buf, &info->name); + gguf_bwrite_el (buf, &info->n_dims, sizeof(info->n_dims)); + for (uint32_t j = 0; j < info->n_dims; ++j) { + gguf_bwrite_el(buf, &info->ne[j], sizeof(info->ne[j])); + } + gguf_bwrite_el(buf, &info->type, sizeof(info->type)); + gguf_bwrite_el(buf, &info->offset, sizeof(info->offset)); + } + + // we require the data section to be aligned, so take into account any padding + { + const size_t offset = buf->offset; + const size_t offset_pad = GGML_PAD(offset, ctx->alignment); + + if (offset_pad != offset) { + uint8_t pad = 0; + for (size_t i = 0; i < offset_pad - offset; ++i) { + gguf_bwrite_el(buf, &pad, sizeof(pad)); + } + } + } + + if (only_meta) { + return; + } + + size_t offset = 0; + + // write tensor data + for (uint32_t i = 0; i < ctx->header.n_tensors; ++i) { + struct gguf_tensor_info * info = &ctx->infos[i]; + + const size_t size = info->size; + const size_t size_pad = GGML_PAD(size, ctx->alignment); + + gguf_bwrite_el(buf, info->data, size); + + if (size_pad != size) { + uint8_t pad = 0; + for (size_t j = 0; j < size_pad - size; ++j) { + gguf_bwrite_el(buf, &pad, sizeof(pad)); + } + } + + GGML_ASSERT(offset == info->offset); + + offset += size_pad; + } +} + +void gguf_write_to_file(const struct gguf_context * ctx, const char * fname, bool only_meta) { + FILE * file = ggml_fopen(fname, "wb"); + if (!file) { + GGML_ASSERT(false && "failed to open file for writing"); + } + + struct gguf_buf buf = gguf_buf_init(16*1024); + + gguf_write_to_buf(ctx, &buf, only_meta); + + fwrite(buf.data, 1, buf.offset, file); + + gguf_buf_free(buf); + + fclose(file); +} + +size_t gguf_get_meta_size(const struct gguf_context * ctx) { + // no allocs - only compute size + struct gguf_buf buf = gguf_buf_init(0); + + gguf_write_to_buf(ctx, &buf, true); + + return buf.offset; +} + +void gguf_get_meta_data(const struct gguf_context * ctx, void * data) { + struct gguf_buf buf = gguf_buf_init(16*1024); + + gguf_write_to_buf(ctx, &buf, true); + + memcpy(data, buf.data, buf.offset); + + gguf_buf_free(buf); +} + +//////////////////////////////////////////////////////////////////////////////// + +int ggml_cpu_has_avx(void) { +#if defined(__AVX__) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_avx_vnni(void) { +#if defined(__AVXVNNI__) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_avx2(void) { +#if defined(__AVX2__) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_avx512(void) { +#if defined(__AVX512F__) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_avx512_vbmi(void) { +#if defined(__AVX512VBMI__) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_avx512_vnni(void) { +#if defined(__AVX512VNNI__) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_avx512_bf16(void) { +#if defined(__AVX512BF16__) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_fma(void) { +#if defined(__FMA__) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_neon(void) { +#if defined(__ARM_NEON) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_sve(void) { +#if defined(__ARM_FEATURE_SVE) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_arm_fma(void) { +#if defined(__ARM_FEATURE_FMA) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_metal(void) { +#if defined(GGML_USE_METAL) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_f16c(void) { +#if defined(__F16C__) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_fp16_va(void) { +#if defined(__ARM_FEATURE_FP16_VECTOR_ARITHMETIC) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_wasm_simd(void) { +#if defined(__wasm_simd128__) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_blas(void) { +#if defined(GGML_USE_BLAS) || defined(GGML_USE_CUDA) || defined(GGML_USE_VULKAN) || defined(GGML_USE_SYCL) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_cuda(void) { +#if defined(GGML_USE_CUDA) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_vulkan(void) { +#if defined(GGML_USE_VULKAN) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_kompute(void) { +#if defined(GGML_USE_KOMPUTE) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_sycl(void) { +#if defined(GGML_USE_SYCL) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_rpc(void) { +#if defined(GGML_USE_RPC) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_cann(void) { +#if defined(GGML_USE_CANN) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_llamafile(void) { +#if defined(GGML_USE_LLAMAFILE) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_gpublas(void) { + return ggml_cpu_has_cuda() || ggml_cpu_has_vulkan() || ggml_cpu_has_kompute() || ggml_cpu_has_sycl(); +} + +int ggml_cpu_has_sse3(void) { +#if defined(__SSE3__) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_ssse3(void) { +#if defined(__SSSE3__) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_vsx(void) { +#if defined(__POWER9_VECTOR__) + return 1; +#else + return 0; +#endif +} + +int ggml_cpu_has_matmul_int8(void) { +#if defined(__ARM_FEATURE_MATMUL_INT8) + return 1; +#else + return 0; +#endif +} + +//////////////////////////////////////////////////////////////////////////////// |