diff options
Diffstat (limited to 'ggml-cuda/common.cuh')
| -rw-r--r-- | ggml-cuda/common.cuh | 40 |
1 files changed, 26 insertions, 14 deletions
diff --git a/ggml-cuda/common.cuh b/ggml-cuda/common.cuh index 481065b2..156eba6d 100644 --- a/ggml-cuda/common.cuh +++ b/ggml-cuda/common.cuh @@ -142,6 +142,7 @@ #define CC_PASCAL 600 #define MIN_CC_DP4A 610 // minimum compute capability for __dp4a, an intrinsic for byte-wise dot products #define CC_VOLTA 700 +#define CC_AMPERE 800 #define CC_OFFSET_AMD 1000000 #define CC_RDNA1 (CC_OFFSET_AMD + 1010) #define CC_RDNA2 (CC_OFFSET_AMD + 1030) @@ -271,7 +272,6 @@ static __device__ __forceinline__ float2 warp_reduce_sum(float2 a) { return a; } -#ifdef GGML_CUDA_F16 static __device__ __forceinline__ half2 warp_reduce_sum(half2 a) { #if !(defined(GGML_USE_HIPBLAS) && defined(__HIP_PLATFORM_AMD__)) && __CUDA_ARCH__ >= CC_PASCAL #pragma unroll @@ -284,7 +284,6 @@ static __device__ __forceinline__ half2 warp_reduce_sum(half2 a) { NO_DEVICE_CODE; #endif // !(defined(GGML_USE_HIPBLAS) && defined(__HIP_PLATFORM_AMD__)) && __CUDA_ARCH__ >= CC_PASCAL } -#endif // GGML_CUDA_F16 static __device__ __forceinline__ float warp_reduce_max(float x) { #pragma unroll @@ -294,19 +293,26 @@ static __device__ __forceinline__ float warp_reduce_max(float x) { return x; } -//static __device__ __forceinline__ half2 warp_reduce_max(half2 x) { -//#if !(defined(GGML_USE_HIPBLAS) && defined(__HIP_PLATFORM_AMD__)) && __CUDA_ARCH__ >= CC_PASCAL && CUDART_VERSION >= CUDART_HMAX -//#pragma unroll -// for (int mask = 16; mask > 0; mask >>= 1) { -// x = __hmax2(x, __shfl_xor_sync(0xffffffff, x, mask, 32)); -// } -// return x; -//#else -// GGML_UNUSED(x); -// NO_DEVICE_CODE; -//#endif // !(defined(GGML_USE_HIPBLAS) && defined(__HIP_PLATFORM_AMD__)) && __CUDA_ARCH__ >= CC_PASCAL && CUDART_VERSION >= CUDART_HMAX -//} +static __device__ __forceinline__ half2 warp_reduce_max(half2 x) { +#if !(defined(GGML_USE_HIPBLAS) && defined(__HIP_PLATFORM_AMD__)) && __CUDA_ARCH__ >= CC_PASCAL && CUDART_VERSION >= CUDART_HMAX +#pragma unroll + for (int mask = 16; mask > 0; mask >>= 1) { + x = __hmax2(x, __shfl_xor_sync(0xffffffff, x, mask, 32)); + } + return x; +#else + GGML_UNUSED(x); + NO_DEVICE_CODE; +#endif // !(defined(GGML_USE_HIPBLAS) && defined(__HIP_PLATFORM_AMD__)) && __CUDA_ARCH__ >= CC_PASCAL && CUDART_VERSION >= CUDART_HMAX +} +#if CUDART_VERSION < 12000 +static __device__ __forceinline__ uint32_t __hgt2_mask(const half2 a, const half2 b) { + const uint32_t mask_low = 0x0000FFFF * (float( __low2half(a)) > float( __low2half(b))); + const uint32_t mask_high = 0xFFFF0000 * (float(__high2half(a)) > float(__high2half(b))); + return mask_low | mask_high; +} +#endif // CUDART_VERSION < 12000 #if defined(GGML_USE_HIPBLAS) #define __CUDA_ARCH__ 1300 @@ -391,6 +397,11 @@ static __device__ __forceinline__ int __dp4a(const int a, const int b, int c) { } #endif // defined(GGML_USE_HIPBLAS) +#define FP16_AVAILABLE defined(GGML_USE_HIPBLAS) && defined(__HIP_PLATFORM_AMD__) ? \ + defined(RDNA1) || defined(RDNA2) || defined(RDNA3) : __CUDA_ARCH__ >= CC_PASCAL + +#define FP16_MMA_AVAILABLE !(defined(GGML_USE_HIPBLAS) && defined(__HIP_PLATFORM_AMD__)) && __CUDA_ARCH__ >= CC_VOLTA + // TODO: move to ggml-common.h static const __device__ int8_t kvalues_iq4nl[16] = {-127, -104, -83, -65, -49, -35, -22, -10, 1, 13, 25, 38, 53, 69, 89, 113}; @@ -404,6 +415,7 @@ struct ggml_cuda_device_info { struct cuda_device_info { int cc; // compute capability + int nsm; // number of streaming multiprocessors size_t smpb; // max. shared memory per block bool vmm; // virtual memory support size_t vmm_granularity; // granularity of virtual memory |