hf_text-generation-inference/backends/llamacpp/offline/main.cpp

50 lines
1.7 KiB
C++

//
// Created by mfuntowicz on 10/3/24.
//
#include <memory>
#include <llama.h>
#include <spdlog/spdlog.h>
#include <spdlog/fmt/ranges.h>s
#include "../csrc/backend.hpp"
using namespace huggingface::tgi::backends::llamacpp;
const auto llama_model_deleter = [](llama_model *model) { llama_free_model(model); };
int main(int argc, char **argv) {
if (argc < 2) {
fmt::print("No model folder provider");
return 1;
}
spdlog::set_level(spdlog::level::debug);
const auto modelPath = absolute(std::filesystem::path(argv[1]));
const auto params = llama_model_default_params();
auto model = std::unique_ptr<llama_model, decltype(llama_model_deleter)>(
llama_load_model_from_file(modelPath.c_str(), params)
);
auto prompt = "My name is Morgan";
auto tokens = std::vector<llama_token>(16);
const auto nb_tokens = llama_tokenize(model.get(), prompt, sizeof(prompt), tokens.data(), tokens.size(), true,
false);
tokens.resize(nb_tokens);
auto backend = worker_t{std::move(model), {.n_batch = 1, .n_threads = 4}};
fmt::println("Tokenized: {}", tokens);
// generate
auto generated_tokens = std::vector<llama_token>(32);
const auto n_generated_tokens = backend.generate(
{{.max_new_tokens = 32}, {.top_k = 40}, tokens},
[&generated_tokens](llama_token new_token_id, float_t logit, bool is_eos, size_t step) -> bool {
generated_tokens.emplace(generated_tokens.begin() + (step - 1), new_token_id);
return false;
}
);
generated_tokens.resize(n_generated_tokens.value());
fmt::println("Generated {} tokens", generated_tokens);
}