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common : add HF arg helpers #6234

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merged 2 commits into from Mar 22, 2024
+78 −17
Merged

common : add HF arg helpers #6234

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1b2f0a9
common : add HF arg helpers
ggerganov Mar 22, 2024
8c3d5b5
common : remove defaults
ggerganov Mar 22, 2024
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83 changes: 71 additions & 12 deletions common/common.cpp
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Expand Up @@ -647,6 +647,22 @@ static bool gpt_params_find_arg(int argc, char ** argv, const std::string & arg,
params.model = argv[i];
return true;
}
if (arg == "-md" || arg == "--model-draft") {
if (++i >= argc) {
invalid_param = true;
return true;
}
params.model_draft = argv[i];
return true;
}
if (arg == "-a" || arg == "--alias") {
if (++i >= argc) {
invalid_param = true;
return true;
}
params.model_alias = argv[i];
return true;
}
if (arg == "-mu" || arg == "--model-url") {
if (++i >= argc) {
invalid_param = true;
Expand All @@ -655,20 +671,20 @@ static bool gpt_params_find_arg(int argc, char ** argv, const std::string & arg,
params.model_url = argv[i];
return true;
}
if (arg == "-md" || arg == "--model-draft") {
if (arg == "-hfr" || arg == "--hf-repo") {
if (++i >= argc) {
invalid_param = true;
return true;
}
params.model_draft = argv[i];
params.hf_repo = argv[i];
return true;
}
if (arg == "-a" || arg == "--alias") {
if (arg == "-hff" || arg == "--hf-file") {
if (++i >= argc) {
invalid_param = true;
return true;
}
params.model_alias = argv[i];
params.hf_file = argv[i];
return true;
}
if (arg == "--lora") {
Expand Down Expand Up @@ -1403,10 +1419,14 @@ void gpt_print_usage(int /*argc*/, char ** argv, const gpt_params & params) {
printf(" layer range to apply the control vector(s) to, start and end inclusive\n");
printf(" -m FNAME, --model FNAME\n");
printf(" model path (default: %s)\n", params.model.c_str());
printf(" -mu MODEL_URL, --model-url MODEL_URL\n");
printf(" model download url (default: %s)\n", params.model_url.c_str());
printf(" -md FNAME, --model-draft FNAME\n");
printf(" draft model for speculative decoding\n");
printf(" -mu MODEL_URL, --model-url MODEL_URL\n");
printf(" model download url (default: %s)\n", params.model_url.c_str());
printf(" -hfr REPO, --hf-repo REPO\n");
printf(" Hugging Face model repository (default: %s)\n", params.hf_repo.c_str());
printf(" -hff FILE, --hf-file FILE\n");
printf(" Hugging Face model file (default: %s)\n", params.hf_file.c_str());
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The default probably does not need to be printed here, since it will always be an empty string, and I do not expect that we will ever change that.

printf(" -ld LOGDIR, --logdir LOGDIR\n");
printf(" path under which to save YAML logs (no logging if unset)\n");
printf(" --override-kv KEY=TYPE:VALUE\n");
Expand Down Expand Up @@ -1655,8 +1675,10 @@ void llama_batch_add(

#ifdef LLAMA_USE_CURL

struct llama_model * llama_load_model_from_url(const char * model_url, const char * path_model,
struct llama_model_params params) {
struct llama_model * llama_load_model_from_url(
const char * model_url,
const char * path_model,
const struct llama_model_params & params) {
// Basic validation of the model_url
if (!model_url || strlen(model_url) == 0) {
fprintf(stderr, "%s: invalid model_url\n", __func__);
Expand Down Expand Up @@ -1850,25 +1872,62 @@ struct llama_model * llama_load_model_from_url(const char * model_url, const cha
return llama_load_model_from_file(path_model, params);
}

struct llama_model * llama_load_model_from_hf(
const char * repo,
const char * model,
const char * path_model,
const struct llama_model_params & params) {
// construct hugging face model url:
//
// --repo ggml-org/models --file tinyllama-1.1b/ggml-model-f16.gguf
// https://huggingface.co/ggml-org/models/resolve/main/tinyllama-1.1b/ggml-model-f16.gguf
//
// --repo TheBloke/Mixtral-8x7B-v0.1-GGUF --file mixtral-8x7b-v0.1.Q4_K_M.gguf
// https://huggingface.co/TheBloke/Mixtral-8x7B-v0.1-GGUF/resolve/main/mixtral-8x7b-v0.1.Q4_K_M.gguf
//

std::string model_url = "https://huggingface.co/";
model_url += repo;
model_url += "/resolve/main/";
model_url += model;

return llama_load_model_from_url(model_url.c_str(), path_model, params);
}

#else

struct llama_model * llama_load_model_from_url(const char * /*model_url*/, const char * /*path_model*/,
struct llama_model_params /*params*/) {
struct llama_model * llama_load_model_from_url(
const char * /*model_url*/,
const char * /*path_model*/,
const struct llama_model_params & /*params*/) {
fprintf(stderr, "%s: llama.cpp built without libcurl, downloading from an url not supported.\n", __func__);
return nullptr;
}

struct llama_model * llama_load_model_from_hf(
const char * /*repo*/,
const char * /*model*/,
const char * /*path_model*/,
const struct llama_model_params & /*params*/) {
fprintf(stderr, "%s: llama.cpp built without libcurl, downloading from Hugging Face not supported.\n", __func__);
return nullptr;
}

#endif // LLAMA_USE_CURL

std::tuple<struct llama_model *, struct llama_context *> llama_init_from_gpt_params(gpt_params & params) {
auto mparams = llama_model_params_from_gpt_params(params);

llama_model * model = nullptr;
if (!params.model_url.empty()) {

if (!params.hf_repo.empty() && !params.hf_file.empty()) {
model = llama_load_model_from_hf(params.hf_repo.c_str(), params.hf_file.c_str(), params.model.c_str(), mparams);
} else if (!params.model_url.empty()) {
model = llama_load_model_from_url(params.model_url.c_str(), params.model.c_str(), mparams);
} else {
model = llama_load_model_from_file(params.model.c_str(), mparams);
}

if (model == NULL) {
fprintf(stderr, "%s: error: failed to load model '%s'\n", __func__, params.model.c_str());
return std::make_tuple(nullptr, nullptr);
Expand Down Expand Up @@ -1908,7 +1967,7 @@ std::tuple<struct llama_model *, struct llama_context *> llama_init_from_gpt_par
}

for (unsigned int i = 0; i < params.lora_adapter.size(); ++i) {
const std::string& lora_adapter = std::get<0>(params.lora_adapter[i]);
const std::string & lora_adapter = std::get<0>(params.lora_adapter[i]);
float lora_scale = std::get<1>(params.lora_adapter[i]);
int err = llama_model_apply_lora_from_file(model,
lora_adapter.c_str(),
Expand Down
10 changes: 6 additions & 4 deletions common/common.h
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Expand Up @@ -89,9 +89,11 @@ struct gpt_params {
struct llama_sampling_params sparams;

std::string model = "models/7B/ggml-model-f16.gguf"; // model path
std::string model_url = ""; // model url to download
std::string model_draft = ""; // draft model for speculative decoding
std::string model_draft = ""; // draft model for speculative decoding
std::string model_alias = "unknown"; // model alias
std::string model_url = ""; // model url to download
std::string hf_repo = ""; // HF repo
std::string hf_file = ""; // HF file
std::string prompt = "";
std::string prompt_file = ""; // store the external prompt file name
std::string path_prompt_cache = ""; // path to file for saving/loading prompt eval state
Expand Down Expand Up @@ -192,8 +194,8 @@ std::tuple<struct llama_model *, struct llama_context *> llama_init_from_gpt_par
struct llama_model_params llama_model_params_from_gpt_params (const gpt_params & params);
struct llama_context_params llama_context_params_from_gpt_params(const gpt_params & params);

struct llama_model * llama_load_model_from_url(const char * model_url, const char * path_model,
struct llama_model_params params);
struct llama_model * llama_load_model_from_url(const char * model_url, const char * path_model, const struct llama_model_params & params);
struct llama_model * llama_load_model_from_hf(const char * repo, const char * file, const char * path_model, const struct llama_model_params & params);

// Batch utils

Expand Down