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Diffstat (limited to 'examples/common.cpp')
| -rw-r--r-- | examples/common.cpp | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/examples/common.cpp b/examples/common.cpp new file mode 100644 index 00000000..afa7d402 --- /dev/null +++ b/examples/common.cpp @@ -0,0 +1,251 @@ +#include "common.h" + +#include "ggml.h" + +#include <cassert> +#include <cstring> +#include <fstream> +#include <string> +#include <iterator> +#include <algorithm> + + #if defined(_MSC_VER) || defined(__MINGW32__) + #include <malloc.h> // using malloc.h with MSC/MINGW + #elif !defined(__FreeBSD__) && !defined(__NetBSD__) && !defined(__OpenBSD__) + #include <alloca.h> + #endif + +bool gpt_params_parse(int argc, char ** argv, gpt_params & params) { + // determine sensible default number of threads. + // std::thread::hardware_concurrency may not be equal to the number of cores, or may return 0. +#ifdef __linux__ + std::ifstream cpuinfo("/proc/cpuinfo"); + params.n_threads = std::count(std::istream_iterator<std::string>(cpuinfo), + std::istream_iterator<std::string>(), + std::string("processor")); +#endif + if (params.n_threads == 0) { + params.n_threads = std::max(1, (int32_t) std::thread::hardware_concurrency()); + } + + bool invalid_param = false; + std::string arg; + for (int i = 1; i < argc; i++) { + arg = argv[i]; + + if (arg == "-s" || arg == "--seed") { + if (++i >= argc) { + invalid_param = true; + break; + } + params.seed = std::stoi(argv[i]); + } else if (arg == "-t" || arg == "--threads") { + if (++i >= argc) { + invalid_param = true; + break; + } + params.n_threads = std::stoi(argv[i]); + } else if (arg == "-p" || arg == "--prompt") { + if (++i >= argc) { + invalid_param = true; + break; + } + params.prompt = argv[i]; + } else if (arg == "-f" || arg == "--file") { + if (++i >= argc) { + invalid_param = true; + break; + } + std::ifstream file(argv[i]); + std::copy(std::istreambuf_iterator<char>(file), std::istreambuf_iterator<char>(), back_inserter(params.prompt)); + if (params.prompt.back() == '\n') { + params.prompt.pop_back(); + } + } else if (arg == "-n" || arg == "--n_predict") { + if (++i >= argc) { + invalid_param = true; + break; + } + params.n_predict = std::stoi(argv[i]); + } else if (arg == "--top_k") { + if (++i >= argc) { + invalid_param = true; + break; + } + params.top_k = std::stoi(argv[i]); + } else if (arg == "-c" || arg == "--ctx_size") { + if (++i >= argc) { + invalid_param = true; + break; + } + params.n_ctx = std::stoi(argv[i]); + } else if (arg == "--memory_f32") { + params.memory_f16 = false; + } else if (arg == "--top_p") { + if (++i >= argc) { + invalid_param = true; + break; + } + params.top_p = std::stof(argv[i]); + } else if (arg == "--temp") { + if (++i >= argc) { + invalid_param = true; + break; + } + params.temp = std::stof(argv[i]); + } else if (arg == "--repeat_last_n") { + if (++i >= argc) { + invalid_param = true; + break; + } + params.repeat_last_n = std::stoi(argv[i]); + } else if (arg == "--repeat_penalty") { + if (++i >= argc) { + invalid_param = true; + break; + } + params.repeat_penalty = std::stof(argv[i]); + } else if (arg == "-b" || arg == "--batch_size") { + if (++i >= argc) { + invalid_param = true; + break; + } + params.n_batch = std::stoi(argv[i]); + params.n_batch = std::min(512, params.n_batch); + } else if (arg == "-m" || arg == "--model") { + if (++i >= argc) { + invalid_param = true; + break; + } + params.model = argv[i]; + } else if (arg == "-i" || arg == "--interactive") { + params.interactive = true; + } else if (arg == "--embedding") { + params.embedding = true; + } else if (arg == "--interactive-start") { + params.interactive = true; + } else if (arg == "--interactive-first") { + params.interactive_start = true; + } else if (arg == "-ins" || arg == "--instruct") { + params.instruct = true; + } else if (arg == "--color") { + params.use_color = true; + } else if (arg == "--mlock") { + params.use_mlock = true; + } else if (arg == "--mtest") { + params.mem_test = true; + } else if (arg == "--verbose_prompt") { + params.verbose_prompt = true; + } else if (arg == "-r" || arg == "--reverse-prompt") { + if (++i >= argc) { + invalid_param = true; + break; + } + params.antiprompt.push_back(argv[i]); + } else if (arg == "--perplexity") { + params.perplexity = true; + } else if (arg == "--ignore-eos") { + params.ignore_eos = true; + } else if (arg == "--n_parts") { + if (++i >= argc) { + invalid_param = true; + break; + } + params.n_parts = std::stoi(argv[i]); + } else if (arg == "-h" || arg == "--help") { + gpt_print_usage(argc, argv, params); + exit(0); + } else if (arg == "--random-prompt") { + params.random_prompt = true; + } else if (arg == "--in-prefix") { + if (++i >= argc) { + invalid_param = true; + break; + } + params.input_prefix = argv[i]; + } else { + fprintf(stderr, "error: unknown argument: %s\n", arg.c_str()); + gpt_print_usage(argc, argv, params); + exit(1); + } + } + if (invalid_param) { + fprintf(stderr, "error: invalid parameter for argument: %s\n", arg.c_str()); + gpt_print_usage(argc, argv, params); + exit(1); + } + + return true; +} + +void gpt_print_usage(int /*argc*/, char ** argv, const gpt_params & params) { + fprintf(stderr, "usage: %s [options]\n", argv[0]); + fprintf(stderr, "\n"); + fprintf(stderr, "options:\n"); + fprintf(stderr, " -h, --help show this help message and exit\n"); + fprintf(stderr, " -i, --interactive run in interactive mode\n"); + fprintf(stderr, " --interactive-first run in interactive mode and wait for input right away\n"); + fprintf(stderr, " -ins, --instruct run in instruction mode (use with Alpaca models)\n"); + fprintf(stderr, " -r PROMPT, --reverse-prompt PROMPT\n"); + fprintf(stderr, " run in interactive mode and poll user input upon seeing PROMPT (can be\n"); + fprintf(stderr, " specified more than once for multiple prompts).\n"); + fprintf(stderr, " --color colorise output to distinguish prompt and user input from generations\n"); + fprintf(stderr, " -s SEED, --seed SEED RNG seed (default: -1, use random seed for <= 0)\n"); + fprintf(stderr, " -t N, --threads N number of threads to use during computation (default: %d)\n", params.n_threads); + fprintf(stderr, " -p PROMPT, --prompt PROMPT\n"); + fprintf(stderr, " prompt to start generation with (default: empty)\n"); + fprintf(stderr, " --random-prompt start with a randomized prompt.\n"); + fprintf(stderr, " --in-prefix STRING string to prefix user inputs with (default: empty)\n"); + fprintf(stderr, " -f FNAME, --file FNAME\n"); + fprintf(stderr, " prompt file to start generation.\n"); + fprintf(stderr, " -n N, --n_predict N number of tokens to predict (default: %d)\n", params.n_predict); + fprintf(stderr, " --top_k N top-k sampling (default: %d)\n", params.top_k); + fprintf(stderr, " --top_p N top-p sampling (default: %.1f)\n", params.top_p); + fprintf(stderr, " --repeat_last_n N last n tokens to consider for penalize (default: %d)\n", params.repeat_last_n); + fprintf(stderr, " --repeat_penalty N penalize repeat sequence of tokens (default: %.1f)\n", params.repeat_penalty); + fprintf(stderr, " -c N, --ctx_size N size of the prompt context (default: %d)\n", params.n_ctx); + fprintf(stderr, " --ignore-eos ignore end of stream token and continue generating\n"); + fprintf(stderr, " --memory_f32 use f32 instead of f16 for memory key+value\n"); + fprintf(stderr, " --temp N temperature (default: %.1f)\n", params.temp); + fprintf(stderr, " --n_parts N number of model parts (default: -1 = determine from dimensions)\n"); + fprintf(stderr, " -b N, --batch_size N batch size for prompt processing (default: %d)\n", params.n_batch); + fprintf(stderr, " --perplexity compute perplexity over the prompt\n"); + if (ggml_mlock_supported()) { + fprintf(stderr, " --mlock force system to keep model in RAM rather than swapping or compressing\n"); + } + fprintf(stderr, " --mtest compute maximum memory usage\n"); + fprintf(stderr, " --verbose-prompt print prompt before generation\n"); + fprintf(stderr, " -m FNAME, --model FNAME\n"); + fprintf(stderr, " model path (default: %s)\n", params.model.c_str()); + fprintf(stderr, "\n"); +} + +std::string gpt_random_prompt(std::mt19937 & rng) { + const int r = rng() % 10; + switch (r) { + case 0: return "So"; + case 1: return "Once upon a time"; + case 2: return "When"; + case 3: return "The"; + case 4: return "After"; + case 5: return "If"; + case 6: return "import"; + case 7: return "He"; + case 8: return "She"; + case 9: return "They"; + default: return "To"; + } + + return "The"; +} + +// TODO: not great allocating this every time +std::vector<llama_token> llama_tokenize(struct llama_context * ctx, const std::string & text, bool add_bos) { + // initialize to prompt numer of chars, since n_tokens <= n_prompt_chars + std::vector<llama_token> res(text.size() + (int)add_bos); + int n = llama_tokenize(ctx, text.c_str(), res.data(), res.size(), add_bos); + assert(n >= 0); + res.resize(n); + + return res; +} |