mirror of
https://github.com/ggml-org/llama.cpp.git
synced 2026-06-27 23:50:20 -05:00
common: refactor model handling (#24980)
* common: refactor models handling * remote preset * cont * rm skip_download option * missing header * fix plan.model_files * fix --offline case * move hf_plan to download * refactor * rm redundant curr_ex, add comments * adapt
This commit is contained in:
Xuan-Son Nguyen
GitHub
parent
e8ecce53b8
commit
60bc8866b1
@ -38,7 +38,8 @@ int llama_download(int argc, char ** argv) {
|
||||
}
|
||||
|
||||
try {
|
||||
common_params_handle_models(params, LLAMA_EXAMPLE_DOWNLOAD, {});
|
||||
common_models_handler handler = common_models_handler_init(params, LLAMA_EXAMPLE_DOWNLOAD);
|
||||
common_models_handler_apply(handler, params);
|
||||
} catch (const std::exception & e) {
|
||||
fprintf(stderr, "error: %s\n", e.what());
|
||||
return 1;
|
||||
|
||||
284
common/arg.cpp
284
common/arg.cpp
@ -297,60 +297,6 @@ struct handle_model_result {
|
||||
std::string preset_path;
|
||||
};
|
||||
|
||||
static handle_model_result common_params_handle_model(struct common_params_model & model,
|
||||
const common_download_opts & opts) {
|
||||
handle_model_result result;
|
||||
|
||||
// TODO @ngxson : refactor this into a new common_model_download_context
|
||||
|
||||
if (!model.docker_repo.empty()) {
|
||||
model.path = common_docker_resolve_model(model.docker_repo);
|
||||
} else if (!model.hf_repo.empty()) {
|
||||
// If -m was used with -hf, treat the model "path" as the hf_file to download
|
||||
if (model.hf_file.empty() && !model.path.empty()) {
|
||||
model.hf_file = model.path;
|
||||
model.path = "";
|
||||
}
|
||||
common_download_opts hf_opts = opts;
|
||||
auto download_result = common_download_model(model, hf_opts);
|
||||
|
||||
if (!download_result.preset_path.empty()) {
|
||||
result.found_preset = true;
|
||||
result.preset_path = download_result.preset_path;
|
||||
return result; // skip everything else if preset.ini is used
|
||||
}
|
||||
|
||||
if (download_result.model_path.empty()) {
|
||||
throw std::runtime_error("failed to download model from Hugging Face");
|
||||
}
|
||||
|
||||
model.path = download_result.model_path;
|
||||
|
||||
if (!download_result.mmproj_path.empty()) {
|
||||
result.found_mmproj = true;
|
||||
result.mmproj.path = download_result.mmproj_path;
|
||||
}
|
||||
|
||||
if (!download_result.mtp_path.empty()) {
|
||||
result.found_mtp = true;
|
||||
result.mtp.path = download_result.mtp_path;
|
||||
}
|
||||
} else if (!model.url.empty()) {
|
||||
if (model.path.empty()) {
|
||||
auto f = string_split<std::string>(model.url, '#').front();
|
||||
f = string_split<std::string>(f, '?').front();
|
||||
model.path = fs_get_cache_file(string_split<std::string>(f, '/').back());
|
||||
}
|
||||
|
||||
auto download_result = common_download_model(model, opts);
|
||||
if (download_result.model_path.empty()) {
|
||||
throw std::runtime_error("failed to download model from " + model.url);
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
const std::vector<ggml_type> kv_cache_types = {
|
||||
GGML_TYPE_F32,
|
||||
GGML_TYPE_F16,
|
||||
@ -395,77 +341,204 @@ static bool parse_bool_value(const std::string & value) {
|
||||
}
|
||||
|
||||
//
|
||||
// CLI argument parsing functions
|
||||
// common_models_handler
|
||||
//
|
||||
|
||||
bool common_params_handle_models(common_params & params, llama_example curr_ex, const common_params_handle_models_params & handle_params) {
|
||||
const bool spec_type_draft_mtp = std::find(params.speculative.types.begin(),
|
||||
params.speculative.types.end(),
|
||||
COMMON_SPECULATIVE_TYPE_DRAFT_MTP) != params.speculative.types.end();
|
||||
static std::string get_default_local_path(const std::string & url) {
|
||||
auto f = string_split<std::string>(url, '#').front();
|
||||
f = string_split<std::string>(f, '?').front();
|
||||
return fs_get_cache_file(string_split<std::string>(f, '/').back());
|
||||
}
|
||||
|
||||
common_models_handler common_models_handler_init(const common_params & params, llama_example curr_ex) {
|
||||
common_download_hf_plan plan;
|
||||
common_download_opts opts;
|
||||
|
||||
const bool spec_type_draft_mtp = std::find(params.speculative.types.begin(),
|
||||
params.speculative.types.end(),
|
||||
COMMON_SPECULATIVE_TYPE_DRAFT_MTP) != params.speculative.types.end();
|
||||
|
||||
// only download mmproj if the current example is using it
|
||||
bool use_mmproj = false;
|
||||
for (const auto & ex : mmproj_examples) {
|
||||
if (curr_ex == ex) {
|
||||
use_mmproj = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
opts.bearer_token = params.hf_token;
|
||||
opts.offline = params.offline;
|
||||
opts.skip_download = params.skip_download;
|
||||
opts.download_mtp = spec_type_draft_mtp;
|
||||
opts.download_mmproj = !params.no_mmproj && params.mmproj.path.empty() && params.mmproj.url.empty();
|
||||
opts.preset_only = handle_params.preset_only;
|
||||
opts.download_mmproj = use_mmproj && !params.no_mmproj
|
||||
&& params.mmproj.path.empty() && params.mmproj.url.empty();
|
||||
|
||||
if (handle_params.callback) {
|
||||
opts.callback = handle_params.callback;
|
||||
if (!params.model.hf_repo.empty()) {
|
||||
plan = common_download_get_hf_plan(params.model, opts);
|
||||
}
|
||||
|
||||
// sub-models (draft, mmproj, vocoder) are explicitly specified by the user,
|
||||
// so we should not auto-discover mtp/mmproj siblings for them
|
||||
common_download_opts sub_opts = opts;
|
||||
sub_opts.download_mtp = false;
|
||||
sub_opts.download_mmproj = false;
|
||||
return common_models_handler{plan, opts};
|
||||
}
|
||||
|
||||
try {
|
||||
auto res = common_params_handle_model(params.model, opts);
|
||||
if (res.found_preset) {
|
||||
if (!params.models_preset.empty()) {
|
||||
throw std::invalid_argument("cannot use both --models-preset and -hf with a preset.ini file");
|
||||
bool common_models_handler_is_preset_repo(const common_models_handler & handler) {
|
||||
return !handler.plan.preset.url.empty();
|
||||
}
|
||||
|
||||
static std::vector<common_download_task> build_url_tasks(const common_params_model & model, common_download_opts opts) {
|
||||
auto parts = common_download_get_all_parts(model.url);
|
||||
std::vector<common_download_task> tasks;
|
||||
|
||||
// single-part: download straight to model.path if the user gave one (-m), else the cache default
|
||||
if (parts.size() == 1) {
|
||||
common_download_task task;
|
||||
task.url = parts[0];
|
||||
task.local_path = model.path.empty() ? get_default_local_path(parts[0]) : model.path;
|
||||
task.opts = opts;
|
||||
tasks.push_back(std::move(task));
|
||||
return tasks;
|
||||
}
|
||||
|
||||
// multi-part: place each part under the user's -m directory (if given), else the cache default
|
||||
std::string base_dir;
|
||||
if (!model.path.empty()) {
|
||||
auto pos = model.path.rfind('/');
|
||||
base_dir = pos == std::string::npos ? std::string(".") : model.path.substr(0, pos);
|
||||
}
|
||||
|
||||
for (const auto & part : parts) {
|
||||
common_download_task task;
|
||||
task.url = part;
|
||||
task.opts = opts;
|
||||
|
||||
std::string local = get_default_local_path(part);
|
||||
if (!base_dir.empty()) {
|
||||
auto pos = local.rfind('/');
|
||||
std::string name = pos == std::string::npos ? local : local.substr(pos + 1);
|
||||
local = base_dir + "/" + name;
|
||||
}
|
||||
task.local_path = local;
|
||||
tasks.push_back(std::move(task));
|
||||
}
|
||||
return tasks;
|
||||
}
|
||||
|
||||
void common_models_handler_apply(common_models_handler & handler, common_params & params, common_download_callback * callback) {
|
||||
std::vector<common_download_task> tasks;
|
||||
|
||||
auto & plan = handler.plan;
|
||||
|
||||
auto opts = handler.opts; // copy
|
||||
opts.callback = callback;
|
||||
|
||||
// handle plain "url" if needed
|
||||
auto handle_url = [&](common_params_model & model) {
|
||||
if (!model.url.empty()) {
|
||||
if (model.path.empty()) {
|
||||
model.path = get_default_local_path(model.url);
|
||||
}
|
||||
}
|
||||
};
|
||||
handle_url(params.model);
|
||||
handle_url(params.mmproj);
|
||||
handle_url(params.vocoder.model);
|
||||
handle_url(params.speculative.draft.mparams);
|
||||
|
||||
// optionally, if docker repo is set, resolve it
|
||||
if (!params.model.docker_repo.empty()) {
|
||||
params.model.url = common_docker_resolve_model(params.model.docker_repo);
|
||||
params.model.path = get_default_local_path(params.model.url);
|
||||
}
|
||||
|
||||
// handle plain "url" tasks (non-hf)
|
||||
if (!params.model.url.empty()) {
|
||||
auto url_tasks = build_url_tasks(params.model, opts);
|
||||
// the first part is what gets loaded, so point params.model.path at it
|
||||
if (!url_tasks.empty()) {
|
||||
std::string first_path = url_tasks.front().local_path;
|
||||
url_tasks.front().on_done = [&]() { params.model.path = first_path; };
|
||||
}
|
||||
for (auto & task : url_tasks) {
|
||||
tasks.push_back(std::move(task));
|
||||
}
|
||||
}
|
||||
if (!params.mmproj.url.empty()) {
|
||||
common_download_task task;
|
||||
task.url = params.mmproj.url;
|
||||
task.local_path = params.mmproj.path;
|
||||
task.opts = opts;
|
||||
tasks.push_back(task);
|
||||
}
|
||||
if (!params.vocoder.model.url.empty()) {
|
||||
common_download_task task;
|
||||
task.url = params.vocoder.model.url;
|
||||
task.local_path = params.vocoder.model.path;
|
||||
task.opts = opts;
|
||||
tasks.push_back(task);
|
||||
}
|
||||
if (!params.speculative.draft.mparams.url.empty()) {
|
||||
common_download_task task;
|
||||
task.url = params.speculative.draft.mparams.url;
|
||||
task.local_path = params.speculative.draft.mparams.path;
|
||||
task.opts = opts;
|
||||
tasks.push_back(task);
|
||||
}
|
||||
|
||||
// handle hf_plan tasks
|
||||
if (!plan.model_files.empty()) {
|
||||
for (size_t i = 0; i < plan.model_files.size(); ++i) {
|
||||
auto & model_file = plan.model_files[i];
|
||||
bool is_first = (i == 0);
|
||||
tasks.emplace_back(model_file, opts, [&, is_first]() {
|
||||
if (is_first) {
|
||||
// only use first part as model path
|
||||
params.model.path = hf_cache::finalize_file(model_file);
|
||||
} else {
|
||||
hf_cache::finalize_file(model_file);
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
if (!plan.mmproj.local_path.empty()) {
|
||||
tasks.emplace_back(plan.mmproj, opts, [&]() {
|
||||
params.mmproj.path = hf_cache::finalize_file(plan.mmproj);
|
||||
});
|
||||
}
|
||||
if (!plan.mtp.local_path.empty()) {
|
||||
tasks.emplace_back(plan.mtp, opts, [&]() {
|
||||
// only fall back to the discovered MTP head when no draft was explicitly provided
|
||||
if (params.speculative.draft.mparams.empty()) {
|
||||
params.speculative.draft.mparams.path = hf_cache::finalize_file(plan.mtp);
|
||||
} else {
|
||||
hf_cache::finalize_file(plan.mtp);
|
||||
}
|
||||
});
|
||||
}
|
||||
if (!plan.preset.local_path.empty()) {
|
||||
tasks.emplace_back(plan.preset, opts, [&]() {
|
||||
// if HF repo is a preset repo, we simply run server in router mode with the preset.ini file
|
||||
params.models_preset_hf = params.model.hf_repo; // only for showing a warning
|
||||
params.models_preset = res.preset_path;
|
||||
params.models_preset = hf_cache::finalize_file(plan.preset);
|
||||
params.model = common_params_model{}; // make sure to clear model, so server starts in router mode
|
||||
return true;
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
if (params.no_mmproj) {
|
||||
params.mmproj = {};
|
||||
} else if (res.found_mmproj && params.mmproj.path.empty() && params.mmproj.url.empty()) {
|
||||
// optionally, handle mmproj model when -hf is specified
|
||||
params.mmproj = res.mmproj;
|
||||
}
|
||||
// only download mmproj if the current example is using it
|
||||
for (const auto & ex : mmproj_examples) {
|
||||
if (curr_ex == ex) {
|
||||
common_params_handle_model(params.mmproj, sub_opts);
|
||||
break;
|
||||
}
|
||||
}
|
||||
// run all tasks in parallel
|
||||
if (!params.offline) {
|
||||
common_download_run_tasks(tasks);
|
||||
}
|
||||
|
||||
// when --spec-type mtp is set and no draft model was provided explicitly,
|
||||
// fall back to the MTP head discovered alongside the -hf model
|
||||
if (spec_type_draft_mtp && res.found_mtp &&
|
||||
params.speculative.draft.mparams.path.empty() &&
|
||||
params.speculative.draft.mparams.hf_repo.empty() &&
|
||||
params.speculative.draft.mparams.url.empty()) {
|
||||
params.speculative.draft.mparams.path = res.mtp.path;
|
||||
// download successful, update params with the downloaded paths
|
||||
for (const auto & task : tasks) {
|
||||
if (task.on_done) {
|
||||
task.on_done();
|
||||
}
|
||||
common_params_handle_model(params.speculative.draft.mparams, sub_opts);
|
||||
common_params_handle_model(params.vocoder.model, sub_opts);
|
||||
return true;
|
||||
} catch (const common_skip_download_exception &) {
|
||||
return false;
|
||||
} catch (const std::exception &) {
|
||||
throw;
|
||||
}
|
||||
}
|
||||
|
||||
//
|
||||
// CLI argument parsing functions
|
||||
//
|
||||
|
||||
static bool common_params_parse_ex(int argc, char ** argv, common_params_context & ctx_arg) {
|
||||
common_params & params = ctx_arg.params;
|
||||
|
||||
@ -601,7 +674,8 @@ static bool common_params_parse_ex(int argc, char ** argv, common_params_context
|
||||
|
||||
if (!skip_model_download) {
|
||||
// handle model and download
|
||||
common_params_handle_models(params, ctx_arg.ex, {});
|
||||
common_models_handler handler = common_models_handler_init(params, ctx_arg.ex);
|
||||
common_models_handler_apply(handler, params);
|
||||
|
||||
// model is required (except for server)
|
||||
// TODO @ngxson : maybe show a list of available models in CLI in this case
|
||||
|
||||
23
common/arg.h
23
common/arg.h
@ -8,6 +8,7 @@
|
||||
#include <string>
|
||||
#include <vector>
|
||||
#include <cstring>
|
||||
#include <memory>
|
||||
|
||||
// pseudo-env variable to identify preset-only arguments
|
||||
#define COMMON_ARG_PRESET_LOAD_ON_STARTUP "__PRESET_LOAD_ON_STARTUP"
|
||||
@ -130,19 +131,19 @@ bool common_params_to_map(int argc, char ** argv, llama_example ex, std::map<com
|
||||
// see: https://github.com/ggml-org/llama.cpp/issues/18163
|
||||
void common_params_add_preset_options(std::vector<common_arg> & args);
|
||||
|
||||
struct common_params_handle_models_params {
|
||||
common_download_callback * callback = nullptr;
|
||||
bool preset_only = false; // if true, only check & download remote preset (for router mode)
|
||||
struct common_models_handler {
|
||||
common_download_hf_plan plan;
|
||||
common_download_opts opts;
|
||||
};
|
||||
|
||||
// populate model paths (main model, mmproj, etc) from -hf if necessary
|
||||
// return true if the model is ready to use
|
||||
// throw an exception if there is an error that prevents the model from being used (e.g. network error, model not found, etc)
|
||||
// if params.skip_download is true, no downloads will be attempted. return false if the model is invalid or missing (e.g. ETag check failed)
|
||||
bool common_params_handle_models(
|
||||
common_params & params,
|
||||
llama_example curr_ex,
|
||||
const common_params_handle_models_params & handle_params);
|
||||
// initialize downloading opts and hf_plan if needed, but does not download anything yet
|
||||
common_models_handler common_models_handler_init(const common_params & params, llama_example curr_ex);
|
||||
|
||||
// check if the model is a preset repo (i.e. has a preset file)
|
||||
bool common_models_handler_is_preset_repo(const common_models_handler & handler);
|
||||
|
||||
// download and update params with the downloaded model path
|
||||
void common_models_handler_apply(common_models_handler & handler, common_params & params, common_download_callback * callback = nullptr);
|
||||
|
||||
// initialize argument parser context - used by test-arg-parser and preset
|
||||
common_params_context common_params_parser_init(common_params & params, llama_example ex, void(*print_usage)(int, char **) = nullptr);
|
||||
|
||||
@ -291,13 +291,13 @@ struct common_params_sampling {
|
||||
};
|
||||
|
||||
struct common_params_model {
|
||||
std::string path = ""; // model local path // NOLINT
|
||||
std::string url = ""; // model url to download // NOLINT
|
||||
std::string hf_repo = ""; // HF repo // NOLINT
|
||||
std::string hf_file = ""; // HF file // NOLINT
|
||||
std::string docker_repo = ""; // Docker repo // NOLINT
|
||||
std::string path = ""; // model local path
|
||||
std::string url = ""; // model url to download
|
||||
std::string hf_repo = ""; // HF repo
|
||||
std::string hf_file = ""; // HF file
|
||||
std::string docker_repo = ""; // Docker repo
|
||||
|
||||
std::string get_name() {
|
||||
std::string get_name() const {
|
||||
if (!hf_repo.empty()) {
|
||||
return hf_repo;
|
||||
}
|
||||
@ -306,6 +306,10 @@ struct common_params_model {
|
||||
}
|
||||
return path;
|
||||
}
|
||||
|
||||
bool empty() const {
|
||||
return get_name().empty();
|
||||
}
|
||||
};
|
||||
|
||||
// draft-model-based speculative decoding parameters
|
||||
@ -368,7 +372,7 @@ struct common_params_speculative {
|
||||
common_params_speculative_ngram_cache ngram_cache;
|
||||
|
||||
bool has_dft() const {
|
||||
return !draft.mparams.path.empty() || !draft.mparams.hf_repo.empty();
|
||||
return !draft.mparams.empty();
|
||||
}
|
||||
|
||||
uint32_t need_n_rs_seq() const {
|
||||
@ -520,7 +524,6 @@ struct common_params {
|
||||
int32_t control_vector_layer_start = -1; // layer range for control vector
|
||||
int32_t control_vector_layer_end = -1; // layer range for control vector
|
||||
bool offline = false;
|
||||
bool skip_download = false; // skip model file downloading
|
||||
|
||||
int32_t ppl_stride = 0; // stride for perplexity calculations. If left at 0, the pre-existing approach will be used.
|
||||
int32_t ppl_output_type = 0; // = 0 -> ppl output is as usual, = 1 -> ppl output is num_tokens, ppl, one per line
|
||||
|
||||
@ -292,10 +292,6 @@ static int common_download_file_single_online(const std::string & url,
|
||||
|
||||
const bool file_exists = std::filesystem::exists(path);
|
||||
|
||||
if (!file_exists && opts.skip_download) {
|
||||
return -2; // file is missing and download is disabled
|
||||
}
|
||||
|
||||
if (file_exists && skip_etag) {
|
||||
LOG_DBG("%s: using cached file: %s\n", __func__, path.c_str());
|
||||
return 304; // 304 Not Modified - fake cached response
|
||||
@ -362,9 +358,6 @@ static int common_download_file_single_online(const std::string & url,
|
||||
return 304; // 304 Not Modified - fake cached response
|
||||
}
|
||||
// pass this point, the file exists but is different from the server version, so we need to redownload it
|
||||
if (opts.skip_download) {
|
||||
return -2; // special code to indicate that the download was skipped due to etag mismatch
|
||||
}
|
||||
if (remove(path.c_str()) != 0) {
|
||||
LOG_ERR("%s: unable to delete file: %s\n", __func__, path.c_str());
|
||||
return -1;
|
||||
@ -691,19 +684,8 @@ static void list_available_gguf_files(const hf_cache::hf_files & files) {
|
||||
}
|
||||
}
|
||||
|
||||
struct hf_plan {
|
||||
hf_cache::hf_file primary;
|
||||
hf_cache::hf_files model_files;
|
||||
hf_cache::hf_file mmproj;
|
||||
hf_cache::hf_file mtp;
|
||||
hf_cache::hf_file preset; // if set, only this file is downloaded
|
||||
};
|
||||
|
||||
static hf_plan get_hf_plan(const common_params_model & model,
|
||||
const common_download_opts & opts,
|
||||
bool download_mmproj,
|
||||
bool download_mtp) {
|
||||
hf_plan plan;
|
||||
common_download_hf_plan common_download_get_hf_plan(const common_params_model & model, const common_download_opts & opts) {
|
||||
common_download_hf_plan plan;
|
||||
hf_cache::hf_files all;
|
||||
|
||||
auto [repo, tag] = common_download_split_repo_tag(model.hf_repo);
|
||||
@ -752,127 +734,49 @@ static hf_plan get_hf_plan(const common_params_model & model,
|
||||
plan.primary = primary;
|
||||
plan.model_files = get_split_files(all, primary);
|
||||
|
||||
if (download_mmproj) {
|
||||
if (opts.download_mmproj) {
|
||||
plan.mmproj = find_best_mmproj(all, primary.path);
|
||||
}
|
||||
|
||||
if (download_mtp) {
|
||||
if (opts.download_mtp) {
|
||||
plan.mtp = find_best_mtp(all, primary.path);
|
||||
}
|
||||
|
||||
return plan;
|
||||
}
|
||||
|
||||
struct download_task {
|
||||
std::string url;
|
||||
std::string path;
|
||||
};
|
||||
|
||||
static std::vector<download_task> get_url_tasks(const common_params_model & model) {
|
||||
auto split = get_gguf_split_info(model.url);
|
||||
|
||||
if (split.count <= 1) {
|
||||
return {{model.url, model.path}};
|
||||
}
|
||||
|
||||
auto filename = split.prefix;
|
||||
if (auto pos = split.prefix.rfind('/'); pos != std::string::npos) {
|
||||
filename = split.prefix.substr(pos + 1);
|
||||
}
|
||||
|
||||
auto parent_path = std::filesystem::path(model.path).parent_path();
|
||||
auto prefix_path = (parent_path / filename).string();
|
||||
|
||||
std::vector<download_task> tasks;
|
||||
for (int i = 1; i <= split.count; i++) {
|
||||
auto suffix = string_format("-%05d-of-%05d.gguf", i, split.count);
|
||||
tasks.push_back({split.prefix + suffix, prefix_path + suffix});
|
||||
}
|
||||
return tasks;
|
||||
}
|
||||
|
||||
common_download_model_result common_download_model(const common_params_model & model,
|
||||
const common_download_opts & opts) {
|
||||
common_download_model_result result;
|
||||
std::vector<download_task> tasks;
|
||||
hf_plan hf;
|
||||
|
||||
bool download_mmproj = opts.download_mmproj;
|
||||
bool download_mtp = opts.download_mtp;
|
||||
bool preset_only = opts.preset_only;
|
||||
bool is_hf = !model.hf_repo.empty();
|
||||
|
||||
if (is_hf) {
|
||||
hf = get_hf_plan(model, opts, download_mmproj, download_mtp);
|
||||
if (!hf.preset.path.empty()) {
|
||||
// if preset.ini exists, only download that file alone
|
||||
tasks.push_back({hf.preset.url, hf.preset.local_path});
|
||||
} else if (!preset_only) {
|
||||
// only add other files if we're NOT in preset-only mode (normal run, non-router)
|
||||
for (const auto & f : hf.model_files) {
|
||||
tasks.push_back({f.url, f.local_path});
|
||||
}
|
||||
if (!hf.mmproj.path.empty()) {
|
||||
tasks.push_back({hf.mmproj.url, hf.mmproj.local_path});
|
||||
}
|
||||
if (!hf.mtp.path.empty()) {
|
||||
tasks.push_back({hf.mtp.url, hf.mtp.local_path});
|
||||
}
|
||||
}
|
||||
} else if (!model.url.empty()) {
|
||||
tasks = get_url_tasks(model);
|
||||
} else {
|
||||
result.model_path = model.path;
|
||||
return result;
|
||||
}
|
||||
|
||||
if (tasks.empty()) {
|
||||
return result;
|
||||
}
|
||||
|
||||
void common_download_run_tasks(const std::vector<common_download_task> & tasks) {
|
||||
std::vector<std::future<int>> futures;
|
||||
for (const auto & task : tasks) {
|
||||
futures.push_back(std::async(std::launch::async,
|
||||
[&task, &opts, is_hf]() {
|
||||
return common_download_file_single(task.url, task.path, opts, is_hf);
|
||||
[&task]() {
|
||||
return common_download_file_single(task.url, task.local_path, task.opts, task.is_hf);
|
||||
}
|
||||
));
|
||||
}
|
||||
|
||||
for (auto & f : futures) {
|
||||
int status = f.get();
|
||||
if (status == -2 && opts.skip_download) {
|
||||
throw common_skip_download_exception();
|
||||
}
|
||||
for (size_t i = 0; i < futures.size(); ++i) {
|
||||
std::string url = tasks[i].url;
|
||||
int status = futures[i].get();
|
||||
bool is_ok = is_http_status_ok(status);
|
||||
if (!is_ok) {
|
||||
return {};
|
||||
throw std::runtime_error(string_format("Download '%s' failed with status code: %d", url.c_str(), status));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (is_hf) {
|
||||
if (!hf.preset.path.empty()) {
|
||||
// if preset.ini is used, do not set other paths
|
||||
result.preset_path = hf_cache::finalize_file(hf.preset);
|
||||
} else {
|
||||
for (const auto & f : hf.model_files) {
|
||||
hf_cache::finalize_file(f);
|
||||
}
|
||||
result.model_path = hf.primary.final_path;
|
||||
std::vector<std::string> common_download_get_all_parts(const std::string & url) {
|
||||
auto split = get_gguf_split_info(url);
|
||||
|
||||
if (!hf.mmproj.path.empty()) {
|
||||
result.mmproj_path = hf_cache::finalize_file(hf.mmproj);
|
||||
}
|
||||
|
||||
if (!hf.mtp.path.empty()) {
|
||||
result.mtp_path = hf_cache::finalize_file(hf.mtp);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
result.model_path = model.path;
|
||||
if (split.count <= 1) {
|
||||
return {url};
|
||||
}
|
||||
|
||||
return result;
|
||||
std::vector<std::string> parts;
|
||||
for (int i = 1; i <= split.count; i++) {
|
||||
auto suffix = string_format("-%05d-of-%05d.gguf", i, split.count);
|
||||
parts.push_back(split.prefix + suffix);
|
||||
}
|
||||
return parts;
|
||||
}
|
||||
|
||||
//
|
||||
|
||||
@ -1,7 +1,10 @@
|
||||
#pragma once
|
||||
|
||||
#include "hf-cache.h"
|
||||
|
||||
#include <string>
|
||||
#include <vector>
|
||||
#include <functional>
|
||||
|
||||
struct common_params_model;
|
||||
|
||||
@ -47,67 +50,40 @@ struct common_cached_model_info {
|
||||
}
|
||||
};
|
||||
|
||||
// Options for common_download_model and common_download_file_single
|
||||
// Options for common_download_file_single
|
||||
struct common_download_opts {
|
||||
std::string bearer_token;
|
||||
common_header_list headers;
|
||||
bool offline = false;
|
||||
bool skip_download = false; // if true, only validation is performed, common_skip_download_exception may be thrown if the file is missing or invalid
|
||||
bool download_mmproj = false;
|
||||
bool download_mtp = false;
|
||||
bool preset_only = false; // if true, only check & download remote preset (for router mode)
|
||||
common_download_callback * callback = nullptr;
|
||||
};
|
||||
|
||||
// Result of common_download_model
|
||||
struct common_download_model_result {
|
||||
std::string model_path;
|
||||
std::string mmproj_path;
|
||||
std::string mtp_path;
|
||||
std::string preset_path;
|
||||
struct common_download_task {
|
||||
common_download_opts opts;
|
||||
std::string url;
|
||||
std::string local_path;
|
||||
std::function<void()> on_done;
|
||||
bool is_hf = false;
|
||||
|
||||
common_download_task() = default;
|
||||
common_download_task(hf_cache::hf_file f,
|
||||
const common_download_opts & opts,
|
||||
std::function<void()> on_done = nullptr)
|
||||
: opts(opts), url(f.url), local_path(f.local_path), on_done(on_done), is_hf(true) {}
|
||||
};
|
||||
|
||||
// throw if the file is missing or invalid (e.g. ETag check failed)
|
||||
struct common_skip_download_exception : public std::runtime_error {
|
||||
common_skip_download_exception() : std::runtime_error("skip download") {}
|
||||
};
|
||||
void common_download_run_tasks(const std::vector<common_download_task> & tasks);
|
||||
|
||||
// Download model from HuggingFace repo or URL
|
||||
//
|
||||
// input (via model struct):
|
||||
// - model.hf_repo: HF repo with optional tag, see common_download_split_repo_tag
|
||||
// - model.hf_file: specific file in the repo (requires hf_repo)
|
||||
// - model.url: simple download (used if hf_repo is empty)
|
||||
// - model.path: local file path
|
||||
//
|
||||
// tag matching (for HF repos without model.hf_file):
|
||||
// - if tag is specified, searches for GGUF matching that quantization
|
||||
// - if no tag, searches for Q4_K_M, then Q4_0, then first available GGUF
|
||||
//
|
||||
// split GGUF: multi-part files like "model-00001-of-00003.gguf" are automatically
|
||||
// detected and all parts are downloaded
|
||||
//
|
||||
// caching:
|
||||
// - HF repos: uses HuggingFace cache
|
||||
// - URLs: uses ETag-based caching
|
||||
//
|
||||
// when opts.offline=true, no network requests are made
|
||||
// when download_mmproj=true, searches for mmproj in same directory as model or any parent directory
|
||||
// then with the closest quantization bits
|
||||
// when download_mtp=true, applies the same sibling search for an MTP-head GGUF
|
||||
//
|
||||
// returns result with model_path, mmproj_path and mtp_path (empty when not found / on failure)
|
||||
common_download_model_result common_download_model(
|
||||
const common_params_model & model,
|
||||
const common_download_opts & opts = {}
|
||||
);
|
||||
// if url is a multi-part GGUF file, returns all parts, otherwise returns the single file
|
||||
std::vector<std::string> common_download_get_all_parts(const std::string & url);
|
||||
|
||||
// returns list of cached models
|
||||
std::vector<common_cached_model_info> common_list_cached_models();
|
||||
|
||||
// download single file from url to local path
|
||||
// returns status code or -1 on error
|
||||
// returns -2 if the download was skipped due to ETag mismatch (file outdated, skip_download=true)
|
||||
// skip_etag: if true, don't read/write .etag files (for HF cache where filename is the hash)
|
||||
int common_download_file_single(const std::string & url,
|
||||
const std::string & path,
|
||||
@ -124,3 +100,12 @@ std::string common_docker_resolve_model(const std::string & docker);
|
||||
// - if tag is present, removes only files matching that tag (and orphaned blobs)
|
||||
// returns true if anything was removed
|
||||
bool common_download_remove(const std::string & hf_repo_with_tag);
|
||||
|
||||
struct common_download_hf_plan {
|
||||
hf_cache::hf_file primary;
|
||||
hf_cache::hf_files model_files;
|
||||
hf_cache::hf_file mmproj;
|
||||
hf_cache::hf_file mtp;
|
||||
hf_cache::hf_file preset; // if set, only this file is downloaded
|
||||
};
|
||||
common_download_hf_plan common_download_get_hf_plan(const common_params_model & model, const common_download_opts & opts);
|
||||
|
||||
@ -1035,25 +1035,23 @@ static cmd_params parse_cmd_params(int argc, char ** argv) {
|
||||
|
||||
if (!params.hf_repo.empty()) {
|
||||
for (size_t i = 0; i < params.hf_repo.size(); i++) {
|
||||
common_params_model model;
|
||||
|
||||
if (params.hf_file.empty() || params.hf_file[i].empty()) {
|
||||
model.hf_repo = params.hf_repo[i];
|
||||
} else {
|
||||
model.hf_repo = params.hf_repo[i];
|
||||
model.hf_file = params.hf_file[i];
|
||||
common_params p;
|
||||
p.hf_token = params.hf_token;
|
||||
p.offline = params.offline;
|
||||
p.model.hf_repo = params.hf_repo[i];
|
||||
if (!params.hf_file.empty() && !params.hf_file[i].empty()) {
|
||||
p.model.hf_file = params.hf_file[i];
|
||||
}
|
||||
|
||||
common_download_opts opts;
|
||||
opts.bearer_token = params.hf_token;
|
||||
opts.offline = params.offline;
|
||||
auto download_result = common_download_model(model, opts);
|
||||
if (download_result.model_path.empty()) {
|
||||
// only the text model file is needed
|
||||
common_models_handler models_handler = common_models_handler_init(p, LLAMA_EXAMPLE_BENCH);
|
||||
common_models_handler_apply(models_handler, p);
|
||||
if (p.model.path.empty()) {
|
||||
fprintf(stderr, "error: failed to download model from HuggingFace\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
params.model.push_back(download_result.model_path);
|
||||
params.model.push_back(p.model.path);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -223,8 +223,8 @@ void server_model_meta::update_caps() {
|
||||
"LLAMA_ARG_HF_REPO_FILE",
|
||||
});
|
||||
params.offline = true;
|
||||
// params.skip_download = true; // TODO: ideally, we should validate the model here, but it takes too much time
|
||||
common_params_handle_models(params, LLAMA_EXAMPLE_SERVER, {});
|
||||
common_models_handler handler = common_models_handler_init(params, LLAMA_EXAMPLE_SERVER);
|
||||
common_models_handler_apply(handler, params); // note: this won't download the model because offline=true
|
||||
if (params.mmproj.path.empty()) {
|
||||
multimodal = { false, false };
|
||||
} else {
|
||||
@ -1393,9 +1393,8 @@ struct server_download_state : public common_download_callback {
|
||||
|
||||
bool run(common_params & params) {
|
||||
try {
|
||||
common_params_handle_models_params p;
|
||||
p.callback = this;
|
||||
common_params_handle_models(params, LLAMA_EXAMPLE_SERVER, p);
|
||||
common_models_handler handler = common_models_handler_init(params, LLAMA_EXAMPLE_SERVER);
|
||||
common_models_handler_apply(handler, params, this);
|
||||
is_ok = true;
|
||||
} catch (const std::exception & e) {
|
||||
auto model_name = params.model.get_name();
|
||||
@ -1768,23 +1767,14 @@ void server_models_routes::init_routes() {
|
||||
throw std::invalid_argument("model must be a non-empty string");
|
||||
}
|
||||
|
||||
common_params_model model;
|
||||
common_download_opts opts;
|
||||
common_params p;
|
||||
p.model.hf_repo = name;
|
||||
p.hf_token = params.hf_token;
|
||||
|
||||
model.hf_repo = name;
|
||||
opts.bearer_token = params.hf_token;
|
||||
// note: we only check main model, no need sidecar here
|
||||
opts.download_mmproj = false;
|
||||
opts.download_mtp = false;
|
||||
|
||||
// first, only check if the model is valid and can be downloaded
|
||||
opts.skip_download = true;
|
||||
// validate by fetching metadata
|
||||
bool ok = false;
|
||||
try {
|
||||
auto validation = common_download_model(model, opts);
|
||||
ok = !validation.model_path.empty();
|
||||
} catch (const common_skip_download_exception &) {
|
||||
// model is valid and will be downloaded
|
||||
common_models_handler_init(p, LLAMA_EXAMPLE_SERVER);
|
||||
ok = true;
|
||||
} catch (...) {
|
||||
SRV_ERR("unknown error while validating model '%s'\n", name.c_str());
|
||||
|
||||
@ -89,15 +89,16 @@ int llama_server(int argc, char ** argv) {
|
||||
llama_backend_init();
|
||||
llama_numa_init(params.numa);
|
||||
|
||||
// note: router mode also accepts -hf remote-preset, so we need to check that first
|
||||
if (!params.model.hf_repo.empty()) {
|
||||
try {
|
||||
common_params_handle_models_params handle_params;
|
||||
handle_params.preset_only = true;
|
||||
common_params_handle_models(params, LLAMA_EXAMPLE_SERVER, handle_params);
|
||||
} catch (const std::exception & e) {
|
||||
// ignored for now
|
||||
common_models_handler models_handler;
|
||||
try {
|
||||
models_handler = common_models_handler_init(params, LLAMA_EXAMPLE_SERVER);
|
||||
if (common_models_handler_is_preset_repo(models_handler)) {
|
||||
// apply the preset and start the server in router mode
|
||||
common_models_handler_apply(models_handler, params);
|
||||
}
|
||||
} catch (const std::exception & e) {
|
||||
SRV_ERR("failed to fetch model metadata: %s\n", e.what());
|
||||
return 1;
|
||||
}
|
||||
|
||||
// router server never loads a model and must not touch the GPU
|
||||
@ -274,7 +275,12 @@ int llama_server(int argc, char ** argv) {
|
||||
return child.run_download(params);
|
||||
} else if (!is_router_server) {
|
||||
// single-model mode (NOT spawned by router)
|
||||
common_params_handle_models(params, LLAMA_EXAMPLE_SERVER, {});
|
||||
try {
|
||||
common_models_handler_apply(models_handler, params);
|
||||
} catch (const std::exception & e) {
|
||||
SRV_ERR("failed to download model: %s\n", e.what());
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
//
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user