vbatts/llama.cpp
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GGUF: backend support, fixed-width I/O, misc fixes

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This commit is contained in:
Johannes Gäßler 2024-12-03 21:43:57 +01:00
parent cc98896db8
commit b88727009d
5 changed files with 334 additions and 271 deletions
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17
examples/gguf/gguf.cpp
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@ -1,10 +1,8 @@
#include "ggml.h"
#include <cstdio>
#include <cinttypes>
#include <string>
#include <sstream>
#include <fstream>
#include <vector>
#undef MIN
@ -135,9 +133,11 @@ static bool gguf_ex_read_0(const std::string & fname) {
for (int i = 0; i < n_tensors; ++i) {
const char * name = gguf_get_tensor_name (ctx, i);
const size_t size = gguf_get_tensor_size (ctx, i);
// const size_t size = 0;
const size_t offset = gguf_get_tensor_offset(ctx, i);
printf("%s: tensor[%d]: name = %s, offset = %zu\n", __func__, i, name, offset);
printf("%s: tensor[%d]: name = %s, size = %zu, offset = %zu\n", __func__, i, name, size, offset);
}
}
@ -182,9 +182,11 @@ static bool gguf_ex_read_1(const std::string & fname, bool check_data) {
for (int i = 0; i < n_tensors; ++i) {
const char * name = gguf_get_tensor_name (ctx, i);
const size_t size = gguf_get_tensor_size (ctx, i);
// const size_t size = 0;
const size_t offset = gguf_get_tensor_offset(ctx, i);
printf("%s: tensor[%d]: name = %s, offset = %zu\n", __func__, i, name, offset);
printf("%s: tensor[%d]: name = %s, size = %zu, offset = %zu\n", __func__, i, name, size, offset);
}
}
@ -199,7 +201,8 @@ static bool gguf_ex_read_1(const std::string & fname, bool check_data) {
struct ggml_tensor * cur = ggml_get_tensor(ctx_data, name);
printf("%s: tensor[%d]: n_dims = %d, name = %s, data = %p\n", __func__, i, ggml_n_dims(cur), cur->name, cur->data);
printf("%s: tensor[%d]: n_dims = %d, ne = (%d, %d, %d, %d) name = %s, data = %p\n",
__func__, i, ggml_n_dims(cur), int(cur->ne[0]), int(cur->ne[1]), int(cur->ne[2]), int(cur->ne[3]), cur->name, cur->data);
// print first 10 elements
const float * data = (const float *) cur->data;
@ -215,7 +218,7 @@ static bool gguf_ex_read_1(const std::string & fname, bool check_data) {
const float * data = (const float *) cur->data;
for (int j = 0; j < ggml_nelements(cur); ++j) {
if (data[j] != 100 + i) {
fprintf(stderr, "%s: tensor[%d]: data[%d] = %f\n", __func__, i, j, data[j]);
fprintf(stderr, "%s: tensor[%d], data[%d]: found %f, expected %f\n", __func__, i, j, data[j], float(100 + i));
gguf_free(ctx);
return false;
}
@ -245,6 +248,8 @@ int main(int argc, char ** argv) {
check_data = false;
}
srand(123456);
const std::string fname(argv[1]);
const std::string mode (argv[2]);