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sync : ggml (Metal F32 support + reduce ggml-alloc size) (#3192)

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* sync : ggml (Metal F32 support + reduce ggml-alloc size)

ggml-ci

* llama-bench : fix ggml_cpu_has_metal() duplicate function

ggml-ci
This commit is contained in:
Georgi Gerganov 2023-09-15 19:06:03 +03:00 • committed by GitHub
parent 7e50d34be6
commit 8c00b7a6ff
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 193 additions and 90 deletions
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8
examples/llama-bench/llama-bench.cpp
View file

@ -74,14 +74,6 @@ static T stdev(const std::vector<T> & v) {
return stdev;
}
static bool ggml_cpu_has_metal() {
#if defined(GGML_USE_METAL)
return true;
#else
return false;
#endif
}
static std::string get_cpu_info() {
std::string id;
#ifdef __linux__

12
ggml-alloc.c
View file

@ -131,6 +131,10 @@ static bool ggml_allocr_is_own(struct ggml_allocr * alloc, const struct ggml_ten
return ptr >= alloc->data && (char *)ptr < (char *)alloc->data + alloc->max_size;
}
static bool ggml_is_view(struct ggml_tensor * t) {
return t->view_src != NULL;
}
void ggml_allocr_alloc(struct ggml_allocr * alloc, struct ggml_tensor * tensor) {
#ifdef GGML_ALLOCATOR_DEBUG
GGML_ASSERT(!ggml_is_view(tensor)); // views generally get data pointer from one of their sources
@ -338,8 +342,8 @@ static void free_vmem(void * base_addr, size_t size) {
// allocate uncommitted virtual memory to measure the size of the graph
static void alloc_measure_vmem(void ** base_addr, size_t * size) {
// 1TB for 64-bit, 1GB for 32-bit
*size = sizeof(void *) == 4 ? 1ULL<<30 : 1ULL<<40;
// 128GB for 64-bit, 1GB for 32-bit
*size = sizeof(void *) == 4 ? 1ULL<<30 : 1ULL<<37;
do {
*base_addr = alloc_vmem(*size);
if (*base_addr != NULL) {
@ -399,10 +403,6 @@ bool ggml_allocr_is_measure(struct ggml_allocr * alloc) {
//////////// compute graph allocator
static bool ggml_is_view(struct ggml_tensor * t) {
return t->view_src != NULL;
}
static bool ggml_are_same_layout(const struct ggml_tensor * a, const struct ggml_tensor * b) {
if (a->type != b->type) {
return false;

12
ggml-metal.m
View file

@ -78,6 +78,7 @@ struct ggml_metal_context {
GGML_METAL_DECL_KERNEL(get_rows_q6_K);
GGML_METAL_DECL_KERNEL(rms_norm);
GGML_METAL_DECL_KERNEL(norm);
GGML_METAL_DECL_KERNEL(mul_mat_f32_f32);
GGML_METAL_DECL_KERNEL(mul_mat_f16_f32);
GGML_METAL_DECL_KERNEL(mul_mat_f16_f32_1row);
GGML_METAL_DECL_KERNEL(mul_mat_f16_f32_l4);
@ -89,6 +90,7 @@ struct ggml_metal_context {
GGML_METAL_DECL_KERNEL(mul_mat_q4_K_f32);
GGML_METAL_DECL_KERNEL(mul_mat_q5_K_f32);
GGML_METAL_DECL_KERNEL(mul_mat_q6_K_f32);
GGML_METAL_DECL_KERNEL(mul_mm_f32_f32);
GGML_METAL_DECL_KERNEL(mul_mm_f16_f32);
GGML_METAL_DECL_KERNEL(mul_mm_q4_0_f32);
GGML_METAL_DECL_KERNEL(mul_mm_q4_1_f32);
@ -237,6 +239,7 @@ struct ggml_metal_context * ggml_metal_init(int n_cb) {
GGML_METAL_ADD_KERNEL(get_rows_q6_K);
GGML_METAL_ADD_KERNEL(rms_norm);
GGML_METAL_ADD_KERNEL(norm);
GGML_METAL_ADD_KERNEL(mul_mat_f32_f32);
GGML_METAL_ADD_KERNEL(mul_mat_f16_f32);
GGML_METAL_ADD_KERNEL(mul_mat_f16_f32_1row);
GGML_METAL_ADD_KERNEL(mul_mat_f16_f32_l4);
@ -248,6 +251,7 @@ struct ggml_metal_context * ggml_metal_init(int n_cb) {
GGML_METAL_ADD_KERNEL(mul_mat_q4_K_f32);
GGML_METAL_ADD_KERNEL(mul_mat_q5_K_f32);
GGML_METAL_ADD_KERNEL(mul_mat_q6_K_f32);
GGML_METAL_ADD_KERNEL(mul_mm_f32_f32);
GGML_METAL_ADD_KERNEL(mul_mm_f16_f32);
GGML_METAL_ADD_KERNEL(mul_mm_q4_0_f32);
GGML_METAL_ADD_KERNEL(mul_mm_q8_0_f32);
@ -309,6 +313,7 @@ void ggml_metal_free(struct ggml_metal_context * ctx) {
GGML_METAL_DEL_KERNEL(get_rows_q6_K);
GGML_METAL_DEL_KERNEL(rms_norm);
GGML_METAL_DEL_KERNEL(norm);
GGML_METAL_DEL_KERNEL(mul_mat_f32_f32);
GGML_METAL_DEL_KERNEL(mul_mat_f16_f32);
GGML_METAL_DEL_KERNEL(mul_mat_f16_f32_1row);
GGML_METAL_DEL_KERNEL(mul_mat_f16_f32_l4);
@ -320,6 +325,7 @@ void ggml_metal_free(struct ggml_metal_context * ctx) {
GGML_METAL_DEL_KERNEL(mul_mat_q4_K_f32);
GGML_METAL_DEL_KERNEL(mul_mat_q5_K_f32);
GGML_METAL_DEL_KERNEL(mul_mat_q6_K_f32);
GGML_METAL_DEL_KERNEL(mul_mm_f32_f32);
GGML_METAL_DEL_KERNEL(mul_mm_f16_f32);
GGML_METAL_DEL_KERNEL(mul_mm_q4_0_f32);
GGML_METAL_DEL_KERNEL(mul_mm_q8_0_f32);
@ -885,6 +891,7 @@ void ggml_metal_graph_compute(
ne00%32 == 0 &&
ne11 > 1) {
switch (src0->type) {
case GGML_TYPE_F32: [encoder setComputePipelineState:ctx->pipeline_mul_mm_f32_f32]; break;
case GGML_TYPE_F16: [encoder setComputePipelineState:ctx->pipeline_mul_mm_f16_f32]; break;
case GGML_TYPE_Q4_0: [encoder setComputePipelineState:ctx->pipeline_mul_mm_q4_0_f32]; break;
case GGML_TYPE_Q4_1: [encoder setComputePipelineState:ctx->pipeline_mul_mm_q4_1_f32]; break;
@ -919,6 +926,11 @@ void ggml_metal_graph_compute(
// use custom matrix x vector kernel
switch (src0t) {
case GGML_TYPE_F32:
{
[encoder setComputePipelineState:ctx->pipeline_mul_mat_f32_f32];
nrows = 4;
} break;
case GGML_TYPE_F16:
{
nth0 = 32;

75
ggml-metal.metal
View file

@ -523,6 +523,79 @@ kernel void kernel_mul_mat_q8_0_f32(
}
}
#define N_F32_F32 4
kernel void kernel_mul_mat_f32_f32(
device const char * src0,
device const char * src1,
device float * dst,
constant int64_t & ne00,
constant int64_t & ne01,
constant int64_t & ne02,
constant uint64_t & nb00,
constant uint64_t & nb01,
constant uint64_t & nb02,
constant int64_t & ne10,
constant int64_t & ne11,
constant int64_t & ne12,
constant uint64_t & nb10,
constant uint64_t & nb11,
constant uint64_t & nb12,
constant int64_t & ne0,
constant int64_t & ne1,
uint3 tgpig[[threadgroup_position_in_grid]],
uint tiisg[[thread_index_in_simdgroup]]) {
const int64_t r0 = tgpig.x;
const int64_t rb = tgpig.y*N_F32_F32;
const int64_t im = tgpig.z;
device const float * x = (device const float *) (src0 + r0*nb01 + im/(ne12/ne02)*nb02);
if (ne00 < 128) {
for (int row = 0; row < N_F32_F32; ++row) {
int r1 = rb + row;
if (r1 >= ne11) {
break;
}
device const float * y = (device const float *) (src1 + r1*nb11 + im*nb12);
float sumf = 0;
for (int i = tiisg; i < ne00; i += 32) {
sumf += (float) x[i] * (float) y[i];
}
float all_sum = simd_sum(sumf);
if (tiisg == 0) {
dst[im*ne1*ne0 + r1*ne0 + r0] = all_sum;
}
}
} else {
device const float4 * x4 = (device const float4 *)x;
for (int row = 0; row < N_F32_F32; ++row) {
int r1 = rb + row;
if (r1 >= ne11) {
break;
}
device const float * y = (device const float *) (src1 + r1*nb11 + im*nb12);
device const float4 * y4 = (device const float4 *) y;
float sumf = 0;
for (int i = tiisg; i < ne00/4; i += 32) {
for (int k = 0; k < 4; ++k) sumf += (float) x4[i][k] * y4[i][k];
}
float all_sum = simd_sum(sumf);
if (tiisg == 0) {
for (int i = 4*(ne00/4); i < ne00; ++i) all_sum += (float) x[i] * y[i];
dst[im*ne1*ne0 + r1*ne0 + r0] = all_sum;
}
}
}
}
kernel void kernel_mul_mat_f16_f32_1row(
device const char * src0,
device const char * src1,
@ -2012,7 +2085,6 @@ void dequantize_q4_K(device const block_q4_K *xb, short il, thread type4x4 & reg
for (int i = 0; i < 16; ++i) {
reg[i/4][i%4] = dl * (q[i] & mask) - ml;
}
}
template <typename type4x4>
@ -2269,6 +2341,7 @@ typedef void (mat_mm_t)(
constant uint & gqa,
threadgroup uchar *, uint3, uint, uint);
template [[host_name("kernel_mul_mm_f32_f32")]] kernel mat_mm_t kernel_mul_mm<float4x4, 1, dequantize_f32>;
template [[host_name("kernel_mul_mm_f16_f32")]] kernel mat_mm_t kernel_mul_mm<half4x4, 1, dequantize_f16>;
template [[host_name("kernel_mul_mm_q4_0_f32")]] kernel mat_mm_t kernel_mul_mm<block_q4_0, 2, dequantize_q4_0>;
template [[host_name("kernel_mul_mm_q4_1_f32")]] kernel mat_mm_t kernel_mul_mm<block_q4_1, 2, dequantize_q4_1>;

88
ggml.c
View file

@ -17294,10 +17294,18 @@ static thread_ret_t ggml_graph_compute_thread(void * data) {
} else {
// wait for other threads to finish
const int last = node_n;
do {
//sched_yield();
while (true) {
// TODO: this sched_yield can have significant impact on the performance - either positive or negative
// depending on the workload and the operating system.
// since it is not clear what is the best approach, it should potentially become user-configurable
// ref: https://github.com/ggerganov/ggml/issues/291
#if defined(GGML_USE_ACCELERATE) || defined(GGML_USE_OPENBLAS)
sched_yield();
#endif
node_n = atomic_load(&state->shared->node_n);
} while (node_n == last);
if (node_n != last) break;
};
}
// check if we should stop
@ -18348,7 +18356,7 @@ void ggml_graph_print(const struct ggml_cgraph * cgraph) {
for (int i = 0; i < cgraph->n_leafs; i++) {
struct ggml_tensor * node = cgraph->leafs[i];
GGML_PRINT(" - %3d: [ %5" PRId64 ", %5" PRId64 "] %8s\n",
GGML_PRINT(" - %3d: [ %5" PRId64 ", %5" PRId64 "] %8s %16s\n",
i,
node->ne[0], node->ne[1],
ggml_op_name(node->op),
@ -20111,27 +20119,27 @@ const char * gguf_type_name(enum gguf_type type) {
return GGUF_TYPE_NAME[type];
}
int gguf_get_version(struct gguf_context * ctx) {
int gguf_get_version(const struct gguf_context * ctx) {
return ctx->header.version;
}
size_t gguf_get_alignment(struct gguf_context * ctx) {
size_t gguf_get_alignment(const struct gguf_context * ctx) {
return ctx->alignment;
}
size_t gguf_get_data_offset(struct gguf_context * ctx) {
size_t gguf_get_data_offset(const struct gguf_context * ctx) {
return ctx->offset;
}
void * gguf_get_data(struct gguf_context * ctx) {
void * gguf_get_data(const struct gguf_context * ctx) {
return ctx->data;
}
int gguf_get_n_kv(struct gguf_context * ctx) {
int gguf_get_n_kv(const struct gguf_context * ctx) {
return ctx->header.n_kv;
}
int gguf_find_key(struct gguf_context * ctx, const char * key) {
int gguf_find_key(const struct gguf_context * ctx, const char * key) {
// return -1 if key not found
int keyfound = -1;
@ -20147,85 +20155,85 @@ int gguf_find_key(struct gguf_context * ctx, const char * key) {
return keyfound;
}
const char * gguf_get_key(struct gguf_context * ctx, int i) {
const char * gguf_get_key(const 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) {
enum gguf_type gguf_get_kv_type(const struct gguf_context * ctx, int i) {
return ctx->kv[i].type;
}
enum gguf_type gguf_get_arr_type(struct gguf_context * ctx, int i) {
enum gguf_type gguf_get_arr_type(const 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) {
const void * gguf_get_arr_data(const 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) {
const char * gguf_get_arr_str(const 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) {
int gguf_get_arr_n(const 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) {
uint8_t gguf_get_val_u8(const struct gguf_context * ctx, int i) {
return ctx->kv[i].value.uint8;
}
int8_t gguf_get_val_i8(struct gguf_context * ctx, int i) {
int8_t gguf_get_val_i8(const struct gguf_context * ctx, int i) {
return ctx->kv[i].value.int8;
}
uint16_t gguf_get_val_u16(struct gguf_context * ctx, int i) {
uint16_t gguf_get_val_u16(const struct gguf_context * ctx, int i) {
return ctx->kv[i].value.uint16;
}
int16_t gguf_get_val_i16(struct gguf_context * ctx, int i) {
int16_t gguf_get_val_i16(const struct gguf_context * ctx, int i) {
return ctx->kv[i].value.int16;
}
uint32_t gguf_get_val_u32(struct gguf_context * ctx, int i) {
uint32_t gguf_get_val_u32(const struct gguf_context * ctx, int i) {
return ctx->kv[i].value.uint32;
}
int32_t gguf_get_val_i32(struct gguf_context * ctx, int i) {
int32_t gguf_get_val_i32(const struct gguf_context * ctx, int i) {
return ctx->kv[i].value.int32;
}
float gguf_get_val_f32(struct gguf_context * ctx, int i) {
float gguf_get_val_f32(const struct gguf_context * ctx, int i) {
return ctx->kv[i].value.float32;
}
uint64_t gguf_get_val_u64(struct gguf_context * ctx, int i) {
uint64_t gguf_get_val_u64(const struct gguf_context * ctx, int i) {
return ctx->kv[i].value.uint64;
}
int64_t gguf_get_val_i64(struct gguf_context * ctx, int i) {
int64_t gguf_get_val_i64(const struct gguf_context * ctx, int i) {
return ctx->kv[i].value.int64;
}
double gguf_get_val_f64(struct gguf_context * ctx, int i) {
double gguf_get_val_f64(const struct gguf_context * ctx, int i) {
return ctx->kv[i].value.float64;
}
bool gguf_get_val_bool(struct gguf_context * ctx, int i) {
bool gguf_get_val_bool(const struct gguf_context * ctx, int i) {
return ctx->kv[i].value.bool_;
}
const char * gguf_get_val_str (struct gguf_context * ctx, int i) {
const char * gguf_get_val_str (const struct gguf_context * ctx, int i) {
return ctx->kv[i].value.str.data;
}
int gguf_get_n_tensors(struct gguf_context * ctx) {
int gguf_get_n_tensors(const struct gguf_context * ctx) {
return ctx->header.n_tensors;
}
int gguf_find_tensor(struct gguf_context * ctx, const char * name) {
int gguf_find_tensor(const struct gguf_context * ctx, const char * name) {
// return -1 if tensor not found
int tensorfound = -1;
@ -20241,11 +20249,11 @@ int gguf_find_tensor(struct gguf_context * ctx, const char * name) {
return tensorfound;
}
size_t gguf_get_tensor_offset(struct gguf_context * ctx, int i) {
size_t gguf_get_tensor_offset(const struct gguf_context * ctx, int i) {
return ctx->infos[i].offset;
}
char * gguf_get_tensor_name(struct gguf_context * ctx, int i) {
char * gguf_get_tensor_name(const struct gguf_context * ctx, int i) {
return ctx->infos[i].name.data;
}
@ -20528,7 +20536,7 @@ static void gguf_bwrite_el(struct gguf_buf * buf, const void * val, size_t el_si
buf->offset += el_size;
}
static void gguf_write_to_buf(struct gguf_context * ctx, struct gguf_buf * buf, bool only_meta) {
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));
@ -20643,7 +20651,7 @@ static void gguf_write_to_buf(struct gguf_context * ctx, struct gguf_buf * buf,
}
}
void gguf_write_to_file(struct gguf_context * ctx, const char * fname, bool only_meta) {
void gguf_write_to_file(const 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");
@ -20660,7 +20668,7 @@ void gguf_write_to_file(struct gguf_context * ctx, const char * fname, bool only
fclose(file);
}
size_t gguf_get_meta_size(struct gguf_context * ctx) {
size_t gguf_get_meta_size(const struct gguf_context * ctx) {
// no allocs - only compute size
struct gguf_buf buf = gguf_buf_init(0);
@ -20669,7 +20677,7 @@ size_t gguf_get_meta_size(struct gguf_context * ctx) {
return buf.offset;
}
void gguf_get_meta_data(struct gguf_context * ctx, void * data) {
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);
@ -20745,6 +20753,14 @@ int ggml_cpu_has_arm_fma(void) {
#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;

74
ggml.h
View file

@ -195,6 +195,14 @@
# define GGML_DEPRECATED(func, hint) func
#endif
#ifndef __GNUC__
# define GGML_ATTRIBUTE_FORMAT(...)
#elif defined(__MINGW32__)
# define GGML_ATTRIBUTE_FORMAT(...) __attribute__((format(gnu_printf, __VA_ARGS__)))
#else
# define GGML_ATTRIBUTE_FORMAT(...) __attribute__((format(printf, __VA_ARGS__)))
#endif
#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
@ -270,7 +278,7 @@ extern "C" {
#if defined(__ARM_NEON) && defined(__CUDACC__)
typedef half ggml_fp16_t;
#elif defined(__ARM_NEON) && !defined(_MSC_VER)
#elif defined(__ARM_NEON)
typedef __fp16 ggml_fp16_t;
#else
typedef uint16_t ggml_fp16_t;
@ -685,6 +693,7 @@ extern "C" {
GGML_API const char * ggml_get_name (const struct ggml_tensor * tensor);
GGML_API struct ggml_tensor * ggml_set_name ( struct ggml_tensor * tensor, const char * name);
GGML_ATTRIBUTE_FORMAT(2, 3)
GGML_API struct ggml_tensor * ggml_format_name( struct ggml_tensor * tensor, const char * fmt, ...);
//
@ -1866,39 +1875,39 @@ extern "C" {
GGML_API const char * gguf_type_name(enum gguf_type type);
GGML_API int gguf_get_version (struct gguf_context * ctx);
GGML_API size_t gguf_get_alignment (struct gguf_context * ctx);
GGML_API size_t gguf_get_data_offset(struct gguf_context * ctx);
GGML_API void * gguf_get_data (struct gguf_context * ctx);
GGML_API int gguf_get_version (const struct gguf_context * ctx);
GGML_API size_t gguf_get_alignment (const struct gguf_context * ctx);
GGML_API size_t gguf_get_data_offset(const struct gguf_context * ctx);
GGML_API void * gguf_get_data (const struct gguf_context * ctx);
GGML_API int gguf_get_n_kv(struct gguf_context * ctx);
GGML_API int gguf_find_key(struct gguf_context * ctx, const char * key);
GGML_API const char * gguf_get_key (struct gguf_context * ctx, int i);
GGML_API int gguf_get_n_kv(const struct gguf_context * ctx);
GGML_API int gguf_find_key(const struct gguf_context * ctx, const char * key);
GGML_API const char * gguf_get_key (const struct gguf_context * ctx, int i);
GGML_API enum gguf_type gguf_get_kv_type (struct gguf_context * ctx, int i);
GGML_API enum gguf_type gguf_get_arr_type(struct gguf_context * ctx, int i);
GGML_API enum gguf_type gguf_get_kv_type (const struct gguf_context * ctx, int i);
GGML_API enum gguf_type gguf_get_arr_type(const struct gguf_context * ctx, int i);
// results are undefined if the wrong type is used for the key
GGML_API uint8_t gguf_get_val_u8 (struct gguf_context * ctx, int i);
GGML_API int8_t gguf_get_val_i8 (struct gguf_context * ctx, int i);
GGML_API uint16_t gguf_get_val_u16 (struct gguf_context * ctx, int i);
GGML_API int16_t gguf_get_val_i16 (struct gguf_context * ctx, int i);
GGML_API uint32_t gguf_get_val_u32 (struct gguf_context * ctx, int i);
GGML_API int32_t gguf_get_val_i32 (struct gguf_context * ctx, int i);
GGML_API float gguf_get_val_f32 (struct gguf_context * ctx, int i);
GGML_API uint64_t gguf_get_val_u64 (struct gguf_context * ctx, int i);
GGML_API int64_t gguf_get_val_i64 (struct gguf_context * ctx, int i);
GGML_API double gguf_get_val_f64 (struct gguf_context * ctx, int i);
GGML_API bool gguf_get_val_bool(struct gguf_context * ctx, int i);
GGML_API const char * gguf_get_val_str (struct gguf_context * ctx, int i);
GGML_API int gguf_get_arr_n (struct gguf_context * ctx, int i);
GGML_API const void * gguf_get_arr_data(struct gguf_context * ctx, int i);
GGML_API const char * gguf_get_arr_str (struct gguf_context * ctx, int key_id, int i);
GGML_API uint8_t gguf_get_val_u8 (const struct gguf_context * ctx, int i);
GGML_API int8_t gguf_get_val_i8 (const struct gguf_context * ctx, int i);
GGML_API uint16_t gguf_get_val_u16 (const struct gguf_context * ctx, int i);
GGML_API int16_t gguf_get_val_i16 (const struct gguf_context * ctx, int i);
GGML_API uint32_t gguf_get_val_u32 (const struct gguf_context * ctx, int i);
GGML_API int32_t gguf_get_val_i32 (const struct gguf_context * ctx, int i);
GGML_API float gguf_get_val_f32 (const struct gguf_context * ctx, int i);
GGML_API uint64_t gguf_get_val_u64 (const struct gguf_context * ctx, int i);
GGML_API int64_t gguf_get_val_i64 (const struct gguf_context * ctx, int i);
GGML_API double gguf_get_val_f64 (const struct gguf_context * ctx, int i);
GGML_API bool gguf_get_val_bool(const struct gguf_context * ctx, int i);
GGML_API const char * gguf_get_val_str (const struct gguf_context * ctx, int i);
GGML_API int gguf_get_arr_n (const struct gguf_context * ctx, int i);
GGML_API const void * gguf_get_arr_data(const struct gguf_context * ctx, int i);
GGML_API const char * gguf_get_arr_str (const struct gguf_context * ctx, int key_id, int i);
GGML_API int gguf_get_n_tensors (struct gguf_context * ctx);
GGML_API int gguf_find_tensor (struct gguf_context * ctx, const char * name);
GGML_API size_t gguf_get_tensor_offset(struct gguf_context * ctx, int i);
GGML_API char * gguf_get_tensor_name (struct gguf_context * ctx, int i);
GGML_API int gguf_get_n_tensors (const struct gguf_context * ctx);
GGML_API int gguf_find_tensor (const struct gguf_context * ctx, const char * name);
GGML_API size_t gguf_get_tensor_offset(const struct gguf_context * ctx, int i);
GGML_API char * gguf_get_tensor_name (const struct gguf_context * ctx, int i);
// overrides existing values or adds a new one
GGML_API void gguf_set_val_u8 (struct gguf_context * ctx, const char * key, uint8_t val);
@ -1943,11 +1952,11 @@ extern "C" {
//
// write the entire context to a binary file
GGML_API void gguf_write_to_file(struct gguf_context * ctx, const char * fname, bool only_meta);
GGML_API void gguf_write_to_file(const struct gguf_context * ctx, const char * fname, bool only_meta);
// get the size in bytes of the meta data (header, kv pairs, tensor info) including padding
GGML_API size_t gguf_get_meta_size(struct gguf_context * ctx);
GGML_API void gguf_get_meta_data(struct gguf_context * ctx, void * data);
GGML_API size_t gguf_get_meta_size(const struct gguf_context * ctx);
GGML_API void gguf_get_meta_data(const struct gguf_context * ctx, void * data);
//
// system info
@ -1961,6 +1970,7 @@ extern "C" {
GGML_API int ggml_cpu_has_fma (void);
GGML_API int ggml_cpu_has_neon (void);
GGML_API int ggml_cpu_has_arm_fma (void);
GGML_API int ggml_cpu_has_metal (void);
GGML_API int ggml_cpu_has_f16c (void);
GGML_API int ggml_cpu_has_fp16_va (void);
GGML_API int ggml_cpu_has_wasm_simd (void);