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move file magic/version to header, print expected version (#319)

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Mack Straight 2023-03-20 12:26:01 -07:00 committed by GitHub
parent 0f1b21cb90
commit a791a68b61
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 18 additions and 10 deletions
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10
main.cpp
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@ -106,12 +106,12 @@ bool llama_model_load(const std::string & fname, llama_model & model, gpt_vocab
{
uint32_t magic;
fin.read((char *) &magic, sizeof(magic));
if (magic == 0x67676d6c) {
if (magic == FILE_MAGIC_UNVERSIONED) {
fprintf(stderr, "%s: invalid model file '%s' (too old, regenerate your model files!)\n",
__func__, fname.c_str());
return false;
}
if (magic != 0x67676d66) {
if (magic != FILE_MAGIC) {
fprintf(stderr, "%s: invalid model file '%s' (bad magic)\n", __func__, fname.c_str());
return false;
}
@ -119,9 +119,9 @@ bool llama_model_load(const std::string & fname, llama_model & model, gpt_vocab
uint32_t format_version;
fin.read((char *) &format_version, sizeof(format_version));
if (format_version != 1) {
fprintf(stderr, "%s: invalid model file '%s' (unsupported format version %" PRIu32 ")\n",
__func__, fname.c_str(), format_version);
if (format_version != FILE_VERSION) {
fprintf(stderr, "%s: invalid model file '%s' (unsupported format version %" PRIu32 ", expected %d)\n",
__func__, fname.c_str(), format_version, FILE_VERSION);
return false;
}
}

10
quantize.cpp
View File

@ -64,12 +64,12 @@ bool llama_model_quantize(const std::string & fname_inp, const std::string & fna
{
uint32_t magic;
finp.read((char *) &magic, sizeof(magic));
if (magic == 0x67676d6c) {
if (magic == FILE_MAGIC_UNVERSIONED) {
fprintf(stderr, "%s: invalid model file '%s' (too old, regenerate your model files!)\n",
__func__, fname_inp.c_str());
return false;
}
if (magic != 0x67676d66) {
if (magic != FILE_MAGIC) {
fprintf(stderr, "%s: invalid model file '%s' (bad magic)\n", __func__, fname_inp.c_str());
return false;
}
@ -79,9 +79,9 @@ bool llama_model_quantize(const std::string & fname_inp, const std::string & fna
uint32_t format_version;
finp.read((char *) &format_version, sizeof(format_version));
if (format_version != 1) {
fprintf(stderr, "%s: invalid model file '%s' (unsupported format version %" PRIu32 ")\n",
__func__, fname_inp.c_str(), format_version);
if (format_version != FILE_VERSION) {
fprintf(stderr, "%s: invalid model file '%s' (unsupported format version %" PRIu32 ", expected %d)\n",
__func__, fname_inp.c_str(), format_version, FILE_VERSION);
return false;
}

8
utils.h
View File

@ -48,6 +48,14 @@ void gpt_print_usage(int argc, char ** argv, const gpt_params & params);
std::string gpt_random_prompt(std::mt19937 & rng);
//
// Model file parsing
//
#define FILE_MAGIC_UNVERSIONED 0x67676d6c // pre-versioned files
#define FILE_MAGIC 0x67676d66 // 'ggmf' in hex
#define FILE_VERSION 1
//
// Vocab utils
//