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gguf : add tensor shape accessor (#24405)

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* gguf : add tensor shape accessors

* gguf : return tensor shape as const int64_t *

* gguf : remove n_dims accessor, keep only gguf_get_tensor_ne
This commit is contained in:
QuintinShaw
2026-07-13 13:55:15 +03:00
committed by GitHub
parent 91c631b21d
commit ad8d821991
3 changed files with 19 additions and 6 deletions
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ggml/include/gguf.h
+7 -6
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@@ -125,12 +125,13 @@ extern "C" {
// get ith C string from array with given key_id
GGML_API const char * gguf_get_arr_str (const struct gguf_context * ctx, int64_t key_id, size_t i);
GGML_API int64_t gguf_get_n_tensors (const struct gguf_context * ctx);
GGML_API int64_t gguf_find_tensor (const struct gguf_context * ctx, const char * name); // returns -1 if the tensor is not found
GGML_API size_t gguf_get_tensor_offset(const struct gguf_context * ctx, int64_t tensor_id);
GGML_API const char * gguf_get_tensor_name (const struct gguf_context * ctx, int64_t tensor_id);
GGML_API enum ggml_type gguf_get_tensor_type (const struct gguf_context * ctx, int64_t tensor_id);
GGML_API size_t gguf_get_tensor_size (const struct gguf_context * ctx, int64_t tensor_id);
GGML_API int64_t gguf_get_n_tensors (const struct gguf_context * ctx);
GGML_API int64_t gguf_find_tensor (const struct gguf_context * ctx, const char * name); // returns -1 if the tensor is not found
GGML_API size_t gguf_get_tensor_offset(const struct gguf_context * ctx, int64_t tensor_id);
GGML_API const char * gguf_get_tensor_name (const struct gguf_context * ctx, int64_t tensor_id);
GGML_API const int64_t * gguf_get_tensor_ne (const struct gguf_context * ctx, int64_t tensor_id); // returns ne, an array of GGML_MAX_DIMS elements; ne[dim] is 1 for dim >= n_dims
GGML_API enum ggml_type gguf_get_tensor_type (const struct gguf_context * ctx, int64_t tensor_id);
GGML_API size_t gguf_get_tensor_size (const struct gguf_context * ctx, int64_t tensor_id);
// removes key if it exists, returns id that the key had prior to removal (-1 if it didn't exist)
GGML_API int64_t gguf_remove_key(struct gguf_context * ctx, const char * key);
ggml/src/gguf.cpp
+5
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@@ -1186,6 +1186,11 @@ const char * gguf_get_tensor_name(const struct gguf_context * ctx, int64_t tenso
return ctx->info[tensor_id].t.name;
}
const int64_t * gguf_get_tensor_ne(const struct gguf_context * ctx, int64_t tensor_id) {
GGML_ASSERT(tensor_id >= 0 && tensor_id < gguf_get_n_tensors(ctx));
return ctx->info[tensor_id].t.ne;
}
enum ggml_type gguf_get_tensor_type(const struct gguf_context * ctx, int64_t tensor_id) {
GGML_ASSERT(tensor_id >= 0 && tensor_id < gguf_get_n_tensors(ctx));
return ctx->info[tensor_id].t.type;
tests/test-gguf.cpp
+7
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@@ -662,6 +662,13 @@ static bool handcrafted_check_tensors(const gguf_context * gguf_ctx, const unsig
if (gguf_get_tensor_type(gguf_ctx, id) != type) {
ok = false;
}
const int64_t * ne = gguf_get_tensor_ne(gguf_ctx, id);
for (int j = 0; j < GGML_MAX_DIMS; ++j) {
if (ne[j] != shape[j]) {
ok = false;
}
}
} else {
ok = false;
continue;