/*-*-mode:c++;indent-tabs-mode:nil;c-basic-offset:4;tab-width:8;coding:utf-8-*-│ │vi: set net ft=c++ ts=4 sts=4 sw=4 fenc=utf-8 :vi│ ╚──────────────────────────────────────────────────────────────────────────────╝ │ │ │ llama.com │ │ Copyright (c) 2023 Justine Alexandra Roberts Tunney │ │ Copyright (c) 2023 Georgi Gerganov │ │ │ │ Permission is hereby granted, free of charge, to any person obtaining │ │ a copy of this software and associated documentation files (the │ │ "Software"), to deal in the Software without restriction, including │ │ without limitation the rights to use, copy, modify, merge, publish, │ │ distribute, sublicense, and/or sell copies of the Software, and to │ │ permit persons to whom the Software is furnished to do so, subject to │ │ the following conditions: │ │ │ │ The above copyright notice and this permission notice shall be │ │ included in all copies or substantial portions of the Software. │ │ │ │ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, │ │ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF │ │ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. │ │ IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY │ │ CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, │ │ TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE │ │ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. │ │ │ ╚─────────────────────────────────────────────────────────────────────────────*/ #include "third_party/ggml/common.h" #include "libc/runtime/runtime.h" #include "libc/str/str.h" #include "third_party/libcxx/algorithm" #include "third_party/libcxx/cassert" #include "third_party/libcxx/cstring" #include "third_party/libcxx/fstream" #include "third_party/libcxx/iterator" #include "third_party/libcxx/string" STATIC_YOINK("zipos"); asm(".ident\t\"\\n\\n\ llama.cpp (MIT License)\\n\ Copyright (c) 2023 Georgi Gerganov\""); asm(".include \"libc/disclaimer.inc\""); // clang-format off static bool is_integer_str(const char *s) { if (*s == '-') ++s; if (!*s) return false; while (isdigit(*s)) ++s; return !*s; } static std::string replace_all(std::string const& original, std::string const& before, std::string const& after) { // https://stackoverflow.com/a/7724536/1653720 std::string retval; std::string::const_iterator end = original.end(); std::string::const_iterator current = original.begin(); std::string::const_iterator next = std::search(current, end, before.begin(), before.end()); while (next != end) { retval.append(current, next); retval.append(after); current = next + before.size(); next = std::search(current, end, before.begin(), before.end()); } retval.append(current, next); return retval; } static bool append_file_to_prompt(const char *path, gpt_params & params) { std::ifstream file(path); if (!file) { fprintf(stderr, "error: failed to open file '%s'\n", path); return false; } std::copy(std::istreambuf_iterator(file), std::istreambuf_iterator(), back_inserter(params.prompt)); if (params.prompt.back() == '\n') { params.prompt.pop_back(); } return true; } bool gpt_params_parse(int argc, char ** argv, gpt_params & params) { params.n_threads = std::min(20, std::max(1, (int)(_getcpucount() * 0.75))); bool invalid_param = false; std::string arg; gpt_params default_params; 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 == "-v" || arg == "--verbose") { ++params.verbose; } 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 == "-C" || arg == "--prompt_cache") { if (++i >= argc) { invalid_param = true; break; } params.prompt_path = argv[i]; } else if (arg == "-f" || arg == "--file") { if (++i >= argc) { invalid_param = true; break; } if (!append_file_to_prompt(argv[i], params)) { invalid_param = true; break; } } 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 == "--keep") { if (++i >= argc) { invalid_param = true; break; } params.n_keep_str = argv[i]; if (is_integer_str(argv[i])) { params.n_keep = std::stoi(params.n_keep_str); if (!params.n_keep) { params.n_keep_str = ""; } } } else if (arg == "-m" || arg == "--model") { if (++i >= argc) { invalid_param = true; break; } params.model = argv[i]; } else if (arg == "--lora") { if (++i >= argc) { invalid_param = true; break; } params.lora_adapter = argv[i]; params.use_mmap = false; } else if (arg == "--lora-base") { if (++i >= argc) { invalid_param = true; break; } params.lora_base = argv[i]; } else if (arg == "-i" || arg == "--interactive") { params.interactive = true; } else if (arg == "--embedding") { params.embedding = true; } else if (arg == "--interactive-first") { params.interactive_first = 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 == "--no-mmap") { params.use_mmap = false; } 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, default_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, default_params); exit(1); } } if (invalid_param) { fprintf(stderr, "error: invalid parameter for argument: %s\n", arg.c_str()); gpt_print_usage(argc, argv, default_params); exit(1); } // if no prompt is specified, then use companion ai if (params.prompt.empty()) { if (params.verbose) { fprintf(stderr, "%s: No prompt specified\n", __func__); fprintf(stderr, "%s: Loading CompanionAI\n", __func__); } append_file_to_prompt("/zip/companionai.txt", params); const char *user; user = getenv("USER"); if (!user || !*user) { user = "Cosmo"; } params.prompt = replace_all(params.prompt, "USER_NAME", user); std::string user_prompt; user_prompt.append(user); user_prompt.append(":"); params.antiprompt.push_back(user_prompt); params.repeat_penalty = 1.17647; params.repeat_last_n = 256; params.interactive = true; params.ignore_eos = true; params.n_predict = -1; params.n_ctx = 2048; params.n_keep = 0; params.n_keep_str = "\n\n\n"; params.top_k = 40; params.top_p = .5; params.temp = 0.4; } 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, " -v, --verbose print plenty of helpful information, e.g. prompt\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: Companion AI)\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, " text file containing prompt (default: Companion AI)\n"); fprintf(stderr, " -C FNAME, --prompt_cache FNAME\n"); fprintf(stderr, " path of cache for fast prompt reload (default: .prompt.jtlp)\n"); fprintf(stderr, " -n N, --n_predict N number of tokens to predict (default: %d, -1 = infinity)\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", (double)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", (double)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", (double)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"); fprintf(stderr, " --keep NUM|STR number of tokens to keep from the initial prompt, or substring\n"); fprintf(stderr, " to search for within prompt that divides the actual prompt from\n"); fprintf(stderr, " its initial example text (default: %d, -1 = all)\n", params.n_keep); if (llama_mlock_supported()) { fprintf(stderr, " --mlock force system to keep model in RAM rather than swapping or compressing\n"); } if (llama_mmap_supported()) { fprintf(stderr, " --no-mmap do not memory-map model (slower load but may reduce pageouts if not using mlock)\n"); } fprintf(stderr, " --mtest compute maximum memory usage\n"); fprintf(stderr, " --verbose-prompt print prompt before generation\n"); fprintf(stderr, " --lora FNAME apply LoRA adapter (implies --no-mmap)\n"); fprintf(stderr, " --lora-base FNAME optional model to use as a base for the layers modified by the LoRA adapter\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_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 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; } /* Keep track of current color of output, and emit ANSI code if it changes. */ void set_console_color(console_state & con_st, console_color_t color) { if (con_st.use_color && con_st.color != color) { switch(color) { case CONSOLE_COLOR_DEFAULT: printf(ANSI_COLOR_RESET); break; case CONSOLE_COLOR_PROMPT: printf(ANSI_COLOR_YELLOW); break; case CONSOLE_COLOR_USER_INPUT: printf(ANSI_BOLD ANSI_COLOR_GREEN); break; } con_st.color = color; } fflush(stdout); } #if defined (_WIN32) void win32_console_init(bool enable_color) { unsigned long dwMode = 0; void* hConOut = GetStdHandle((unsigned long)-11); // STD_OUTPUT_HANDLE (-11) if (!hConOut || hConOut == (void*)-1 || !GetConsoleMode(hConOut, &dwMode)) { hConOut = GetStdHandle((unsigned long)-12); // STD_ERROR_HANDLE (-12) if (hConOut && (hConOut == (void*)-1 || !GetConsoleMode(hConOut, &dwMode))) { hConOut = 0; } } if (hConOut) { // Enable ANSI colors on Windows 10+ if (enable_color && !(dwMode & 0x4)) { SetConsoleMode(hConOut, dwMode | 0x4); // ENABLE_VIRTUAL_TERMINAL_PROCESSING (0x4) } // Set console output codepage to UTF8 SetConsoleOutputCP(CP_UTF8); } void* hConIn = GetStdHandle((unsigned long)-10); // STD_INPUT_HANDLE (-10) if (hConIn && hConIn != (void*)-1 && GetConsoleMode(hConIn, &dwMode)) { // Set console input codepage to UTF16 _setmode(_fileno(stdin), _O_WTEXT); } } // Convert a wide Unicode string to an UTF8 string void win32_utf8_encode(const std::wstring & wstr, std::string & str) { int size_needed = WideCharToMultiByte(CP_UTF8, 0, &wstr[0], (int)wstr.size(), NULL, 0, NULL, NULL); std::string strTo(size_needed, 0); WideCharToMultiByte(CP_UTF8, 0, &wstr[0], (int)wstr.size(), &strTo[0], size_needed, NULL, NULL); str = strTo; } #endif