diff options
Diffstat (limited to 'ggml.c')
| -rw-r--r-- | ggml.c | 1013 |
1 files changed, 1009 insertions, 4 deletions
@@ -213,10 +213,10 @@ inline static void * ggml_aligned_malloc(size_t size) { 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_PRINT("%s: %s (attempted to allocate %6.2f MB)\n", __func__, error_desc, size/(1024.0*1024.0)); return NULL; } + return aligned_memory; } #define GGML_ALIGNED_MALLOC(size) ggml_aligned_malloc(size) @@ -4091,7 +4091,11 @@ size_t ggml_nbytes(const struct ggml_tensor * tensor) { // // is enough, but just in case, adding the second part - return GGML_PAD(MAX(tensor->ne[3]*tensor->nb[3], ggml_nelements(tensor)*ggml_type_size(tensor->type))/ggml_blck_size(tensor->type), GGML_MEM_ALIGN); + return MAX(tensor->ne[3]*tensor->nb[3], (ggml_nelements(tensor)*ggml_type_size(tensor->type))/ggml_blck_size(tensor->type)); +} + +size_t ggml_nbytes_pad(const struct ggml_tensor * tensor) { + return GGML_PAD(ggml_nbytes(tensor), GGML_MEM_ALIGN); } size_t ggml_nbytes_split(const struct ggml_tensor * tensor, int nrows_split) { @@ -9118,6 +9122,8 @@ static void ggml_compute_forward_mul( const struct ggml_tensor * src0, const struct ggml_tensor * src1, struct ggml_tensor * dst) { + GGML_ASSERT(src1->type == GGML_TYPE_F32 && "only f32 src1 supported for now"); + switch (src0->type) { case GGML_TYPE_F32: { @@ -16881,7 +16887,7 @@ void ggml_graph_export(const struct ggml_cgraph * cgraph, const char * fname) { // 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(cgraph->nodes[i]); + size_eval += ggml_nbytes_pad(cgraph->nodes[i]); } // print @@ -18542,6 +18548,1005 @@ size_t ggml_quantize_chunk(enum ggml_type type, const float * src, void * dst, i //////////////////////////////////////////////////////////////////////////////// +struct gguf_str { + uint32_t n; + 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_ARRAY] = 0, // undefined +}; +static_assert(GGUF_TYPE_COUNT == 10, "GGUF_TYPE_COUNT != 10"); + +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", +}; +static_assert(GGUF_TYPE_COUNT == 10, "GGUF_TYPE_COUNT != 10"); + +union gguf_value { + uint8_t uint8; + int8_t int8; + uint16_t uint16; + int16_t int16; + uint32_t uint32; + int32_t int32; + float float32; + bool bool_; + + struct gguf_str str; + + struct { + enum gguf_type type; + + uint32_t n; + void * data; + } arr; +}; + +struct gguf_kv { + struct gguf_str key; + + uint32_t n_bytes; // TODO: is this actually needed? + + enum gguf_type type; + union gguf_value value; +}; + +struct gguf_header { + uint32_t magic; + uint32_t version; + uint32_t n_tensors; + uint32_t n_kv; +}; + +struct gguf_tensor_info { + struct gguf_str name; + + uint32_t n_dims; + uint32_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 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; + + // TODO: how to avoid mallocs for strings? + ok = ok && gguf_fread_el(file, &p->n, sizeof(p->n), offset); p->data = calloc(p->n + 1, 1); + ok = ok && gguf_fread_el(file, p->data, p->n, offset); + + return ok; +} + +struct gguf_context * gguf_init_empty(void) { + struct gguf_context * ctx = GGML_ALIGNED_MALLOC(sizeof(struct gguf_context)); + + ctx->header.magic = GGUF_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 = fopen(fname, "rb"); + if (!file) { + return NULL; + } + + // offset from start of file + size_t offset = 0; + + uint32_t magic = 0; + + // check the magic before making allocations + { + gguf_fread_el(file, &magic, sizeof(magic), &offset); + + if (magic != GGUF_MAGIC) { + fprintf(stderr, "%s: invalid magic number %08x\n", __func__, magic); + fclose(file); + return NULL; + } + } + + bool ok = true; + + struct gguf_context * ctx = GGML_ALIGNED_MALLOC(sizeof(struct gguf_context)); + + // read the header + { + ctx->header.magic = magic; + + 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 (!ok) { + fprintf(stderr, "%s: failed to read header\n", __func__); + fclose(file); + gguf_free(ctx); + return NULL; + } + } + + // read the kv pairs + { + ctx->kv = GGML_ALIGNED_MALLOC(ctx->header.n_kv * sizeof(struct gguf_kv)); + + for (uint32_t i = 0; i < ctx->header.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->n_bytes, sizeof(kv->n_bytes), &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_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_BOOL: + { + kv->value.arr.data = malloc(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: + { + kv->value.arr.data = malloc(kv->value.arr.n * sizeof(struct gguf_str)); + for (uint32_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: + case GGUF_TYPE_COUNT: GGML_ASSERT(false && "invalid type"); break; + }; + } break; + case GGUF_TYPE_COUNT: GGML_ASSERT(false && "invalid type"); + }; + + if (!ok) { + break; + } + } + + if (!ok) { + fprintf(stderr, "%s: failed to read key-value pairs\n", __func__); + fclose(file); + gguf_free(ctx); + return NULL; + } + } + + // read the tensor infos + { + ctx->infos = GGML_ALIGNED_MALLOC(ctx->header.n_tensors * sizeof(struct gguf_tensor_info)); + + for (uint32_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); + 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); + + 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 (uint32_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' number of elements (%" PRId64 ") is not a multiple of block size (%d)\n", + __func__, info->name.data, ne, ggml_blck_size(info->type)); + fclose(file); + gguf_free(ctx); + return NULL; + } + + const size_t size_cur = (ne*ggml_type_size(info->type))/ggml_blck_size(info->type); + + 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); + + struct ggml_context * ctx_data = *params.ctx; + + struct ggml_tensor * data = NULL; + + if (params.no_alloc == false) { + 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 (uint32_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; + + ggml_set_name(cur, ctx->infos[i].name.data); + + if (!ok) { + break; + } + + // point the data member to the appropriate location in the binary blob using the tensor infos + if (params.no_alloc == false) { + //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 (uint32_t i = 0; i < ctx->header.n_kv; ++i) { + struct gguf_kv * kv = &ctx->kv[i]; + + if (kv->key.data) { + free(kv->key.data); + } + + if (kv->type == GGUF_TYPE_STRING) { + if (kv->value.str.data) { + 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 (uint32_t j = 0; j < kv->value.arr.n; ++j) { + struct gguf_str * str = &((struct gguf_str *) kv->value.arr.data)[j]; + if (str->data) { + free(str->data); + } + } + } + free(kv->value.arr.data); + } + } + } + + GGML_ALIGNED_FREE(ctx->kv); + } + + if (ctx->infos) { + for (uint32_t i = 0; i < ctx->header.n_tensors; ++i) { + struct gguf_tensor_info * info = &ctx->infos[i]; + + if (info->name.data) { + free(info->name.data); + } + } + + GGML_ALIGNED_FREE(ctx->infos); + } + + GGML_ALIGNED_FREE(ctx); +} + +const char * gguf_type_name(enum gguf_type type) { + return GGUF_TYPE_NAME[type]; +} + +int gguf_get_version(struct gguf_context * ctx) { + return ctx->header.version; +} + +size_t gguf_get_alignment(struct gguf_context * ctx) { + return ctx->alignment; +} + +size_t gguf_get_data_offset(struct gguf_context * ctx) { + return ctx->offset; +} + +void * gguf_get_data(struct gguf_context * ctx) { + return ctx->data; +} + +int gguf_get_n_kv(struct gguf_context * ctx) { + return ctx->header.n_kv; +} + +int gguf_find_key(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(struct gguf_context * ctx, int i) { + return ctx->kv[i].key.data; +} + +enum gguf_type gguf_get_kv_type(struct gguf_context * ctx, int i) { + return ctx->kv[i].type; +} + +enum gguf_type gguf_get_arr_type(struct gguf_context * ctx, int i) { + return ctx->kv[i].value.arr.type; +} + +const void * gguf_get_arr_data(struct gguf_context * ctx, int i) { + return ctx->kv[i].value.arr.data; +} + +const char * gguf_get_arr_str(struct gguf_context * ctx, int key_id, int i) { + 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(struct gguf_context * ctx, int i) { + return ctx->kv[i].value.arr.n; +} + +uint8_t gguf_get_val_u8(struct gguf_context * ctx, int i) { + return ctx->kv[i].value.uint8; +} + +int8_t gguf_get_val_i8(struct gguf_context * ctx, int i) { + return ctx->kv[i].value.int8; +} + +uint16_t gguf_get_val_u16(struct gguf_context * ctx, int i) { + return ctx->kv[i].value.uint16; +} + +int16_t gguf_get_val_i16(struct gguf_context * ctx, int i) { + return ctx->kv[i].value.int16; +} + +uint32_t gguf_get_val_u32(struct gguf_context * ctx, int i) { + return ctx->kv[i].value.uint32; +} + +int32_t gguf_get_val_i32(struct gguf_context * ctx, int i) { + return ctx->kv[i].value.int32; +} + +float gguf_get_val_f32(struct gguf_context * ctx, int i) { + return ctx->kv[i].value.float32; +} + +bool gguf_get_val_bool(struct gguf_context * ctx, int i) { + return ctx->kv[i].value.bool_; +} + +const char * gguf_get_val_str (struct gguf_context * ctx, int i) { + return ctx->kv[i].value.str.data; +} + +int gguf_get_n_tensors(struct gguf_context * ctx) { + return ctx->header.n_tensors; +} + +int gguf_find_tensor(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(struct gguf_context * ctx, int i) { + return ctx->infos[i].offset; +} + +char * gguf_get_tensor_name(struct gguf_context * ctx, int i) { + return ctx->infos[i].name.data; +} + +// 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) + 1; + ctx->kv[n_kv].key.data = strdup(key); + ctx->header.n_kv++; + + return 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_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) + 1; + 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 = malloc(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 = malloc(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]) + 1; + 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_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 = malloc(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); + free(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; + case GGUF_TYPE_COUNT: GGML_ASSERT(false && "invalid type"); break; + } + } +} + +void gguf_add_tensor( + struct gguf_context * ctx, + const struct ggml_tensor * tensor) { + 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) + 1; + 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 = tensor->n_dims; + for (int i = 0; i < tensor->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 : malloc(size), + /*buf.size =*/ size, + /*buf.offset =*/ 0, + }; + + return buf; +} + +static void gguf_buf_free(struct gguf_buf buf) { + if (buf.data) { + 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(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_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_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: + case GGUF_TYPE_COUNT: GGML_ASSERT(false && "invalid type"); break; + }; + } break; + case GGUF_TYPE_COUNT: 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(struct gguf_context * ctx, const char * fname, bool only_meta) { + FILE * file = 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(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(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; |