mirror of
https://git.adityakumar.xyz/llama.cpp.git
synced 2024-11-13 00:39:47 +00:00
f4d277ae17
* Add support for configs, add configurable prefixes / suffixes, deprecate instruct mode, add stop prompt * Add multiline mode, update text input. * bugfix * update implementation * typos * Change --multiline implementation to be toggled by EOF. * bugfix * default multiline mode * add more configs * update formating * update formatting * apply suggestions
508 lines
20 KiB
C++
508 lines
20 KiB
C++
#include "common.h"
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#include <cassert>
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#include <cstring>
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#include <iostream>
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#include <fstream>
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#include <sstream>
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#include <string>
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#include <iterator>
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#include <algorithm>
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#include <regex>
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#if defined (_WIN32)
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#include <fcntl.h>
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#include <io.h>
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#pragma comment(lib,"kernel32.lib")
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extern "C" __declspec(dllimport) void* __stdcall GetStdHandle(unsigned long nStdHandle);
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extern "C" __declspec(dllimport) int __stdcall GetConsoleMode(void* hConsoleHandle, unsigned long* lpMode);
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extern "C" __declspec(dllimport) int __stdcall SetConsoleMode(void* hConsoleHandle, unsigned long dwMode);
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extern "C" __declspec(dllimport) int __stdcall SetConsoleCP(unsigned int wCodePageID);
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extern "C" __declspec(dllimport) int __stdcall SetConsoleOutputCP(unsigned int wCodePageID);
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extern "C" __declspec(dllimport) int __stdcall WideCharToMultiByte(unsigned int CodePage, unsigned long dwFlags,
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const wchar_t * lpWideCharStr, int cchWideChar,
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char * lpMultiByteStr, int cbMultiByte,
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const char * lpDefaultChar, bool * lpUsedDefaultChar);
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#define CP_UTF8 65001
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#endif
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void split_args(const std::string & args_string, std::vector<std::string> & output_args)
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{
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std::string current_arg = "";
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bool in_quotes = false;
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char quote_type;
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for (char c : args_string) {
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if (c == '"' || c == '\'') {
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if (!in_quotes) {
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in_quotes = true;
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quote_type = c;
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} else if (quote_type == c) {
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in_quotes = false;
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} else {
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current_arg += c;
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}
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} else if (in_quotes) {
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current_arg += c;
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} else if (std::isspace(c)) {
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if (current_arg != "") {
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output_args.push_back(current_arg);
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current_arg = "";
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}
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} else {
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current_arg += c;
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}
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}
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if (current_arg != "") {
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output_args.push_back(current_arg);
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}
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}
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std::string unescape(const std::string & str) {
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return std::regex_replace(str, std::regex("\\\\n"), "\n");
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}
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bool gpt_params_parse(int argc, char ** argv, gpt_params & params) {
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// determine sensible default number of threads.
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// std::thread::hardware_concurrency may not be equal to the number of cores, or may return 0.
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#ifdef __linux__
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std::ifstream cpuinfo("/proc/cpuinfo");
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params.n_threads = std::count(std::istream_iterator<std::string>(cpuinfo),
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std::istream_iterator<std::string>(),
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std::string("processor"));
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#endif
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if (params.n_threads == 0) {
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params.n_threads = std::max(1, (int32_t) std::thread::hardware_concurrency());
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}
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bool invalid_param = false;
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std::string arg;
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gpt_params default_params;
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// get additional arguments from config files
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std::vector<std::string> args;
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for (int i = 1; i < argc; i++) {
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arg = argv[i];
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if (arg == "--config") {
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if (++i >= argc) {
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invalid_param = true;
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break;
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}
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std::ifstream file(argv[i]);
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if (!file) {
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fprintf(stderr, "error: failed to open file '%s'\n", argv[i]);
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invalid_param = true;
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break;
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}
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std::string args_string;
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std::copy(std::istreambuf_iterator<char>(file), std::istreambuf_iterator<char>(), back_inserter(args_string));
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if (args_string.back() == '\n') {
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args_string.pop_back();
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}
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split_args(args_string, args);
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for (int j = 0; j < args.size(); j++) {
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args[j] = unescape(args[j]);
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}
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} else {
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args.emplace_back(argv[i]);
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}
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}
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// parse args
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int args_c = static_cast<int>(args.size());
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for (int i = 0; i < args_c && !invalid_param; i++) {
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arg = args[i];
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if (arg == "-s" || arg == "--seed") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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params.seed = std::stoi(args[i]);
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} else if (arg == "-t" || arg == "--threads") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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params.n_threads = std::stoi(args[i]);
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} else if (arg == "-p" || arg == "--prompt") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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params.prompt = args[i];
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} else if (arg == "-f" || arg == "--file") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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std::ifstream file(args[i]);
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if (!file) {
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fprintf(stderr, "error: failed to open file '%s'\n", args[i].c_str());
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invalid_param = true;
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break;
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}
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std::copy(std::istreambuf_iterator<char>(file), std::istreambuf_iterator<char>(), back_inserter(params.prompt));
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if (params.prompt.back() == '\n') {
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params.prompt.pop_back();
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}
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} else if (arg == "-n" || arg == "--n_predict") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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params.n_predict = std::stoi(args[i]);
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} else if (arg == "--top_k") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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params.top_k = std::stoi(args[i]);
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} else if (arg == "-c" || arg == "--ctx_size") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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params.n_ctx = std::stoi(args[i]);
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} else if (arg == "--memory_f32") {
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params.memory_f16 = false;
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} else if (arg == "--top_p") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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params.top_p = std::stof(args[i]);
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} else if (arg == "--temp") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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params.temp = std::stof(args[i]);
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} else if (arg == "--repeat_last_n") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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params.repeat_last_n = std::stoi(args[i]);
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} else if (arg == "--repeat_penalty") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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params.repeat_penalty = std::stof(args[i]);
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} else if (arg == "-b" || arg == "--batch_size") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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params.n_batch = std::stoi(args[i]);
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params.n_batch = std::min(512, params.n_batch);
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} else if (arg == "--keep") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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params.n_keep = std::stoi(args[i]);
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} else if (arg == "-m" || arg == "--model") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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params.model = args[i];
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} else if (arg == "-i" || arg == "--interactive") {
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params.interactive = true;
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} else if (arg == "--embedding") {
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params.embedding = true;
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} else if (arg == "--clean-interface") {
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params.clean_interface = true;
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} else if (arg == "--interactive-start") {
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params.interactive = true;
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} else if (arg == "--interactive-first") {
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params.interactive_start = true;
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} else if (arg == "-ins" || arg == "--instruct") {
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fprintf(stderr, "\n\nWarning: instruct mode is deprecated! Use: \n"
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"--clean-interface "
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"--interactive-first "
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"--keep -1 "
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"--ins-prefix-bos "
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"--ins-prefix \"\\n\\n### Instruction:\\n\\n\" "
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"--ins-suffix \"\\n\\n### Response:\\n\\n\" "
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"-r \"### Instruction:\\n\\n\" "
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"\n\n");
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// params.instruct = true;
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params.clean_interface = true;
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params.interactive_start = true;
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params.n_keep = -1;
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params.instruct_prefix_bos = true;
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params.instruct_prefix = "\n\n### Instruction:\n\n";
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params.instruct_suffix = "\n\n### Response:\n\n";
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params.antiprompt.push_back("### Instruction:\n\n");
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} else if (arg == "--color") {
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params.use_color = true;
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} else if (arg == "--disable-multiline") {
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params.multiline_mode = false;
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} else if (arg == "--mlock") {
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params.use_mlock = true;
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} else if (arg == "--no-mmap") {
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params.use_mmap = false;
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} else if (arg == "--mtest") {
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params.mem_test = true;
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} else if (arg == "--verbose-prompt") {
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params.verbose_prompt = true;
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} else if (arg == "-r" || arg == "--reverse-prompt") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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params.antiprompt.push_back(args[i]);
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} else if (arg == "--stop-prompt") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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params.stopprompt.push_back(args[i]);
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} else if (arg == "--rm-trailing-space-workaround") {
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params.rm_trailing_space_workaround = true;
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} else if (arg == "--perplexity") {
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params.perplexity = true;
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} else if (arg == "--ignore-eos") {
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params.ignore_eos = true;
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} else if (arg == "--n_parts") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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params.n_parts = std::stoi(args[i]);
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} else if (arg == "-h" || arg == "--help") {
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gpt_print_usage(argv[0], default_params);
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exit(0);
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} else if (arg == "--random-prompt") {
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params.random_prompt = true;
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} else if (arg == "--in-prefix") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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params.input_prefix = args[i];
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} else if (arg == "--ins-prefix-bos") {
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params.instruct_prefix_bos = true;
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} else if (arg == "--ins-prefix") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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params.instruct_prefix = args[i];
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} else if (arg == "--ins-suffix-bos") {
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params.instruct_suffix_bos = true;
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} else if (arg == "--ins-suffix") {
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if (++i >= args_c) {
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invalid_param = true;
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break;
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}
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params.instruct_suffix = args[i];
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} else {
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fprintf(stderr, "error: unknown argument: %s\n", arg.c_str());
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gpt_print_usage(argv[0], default_params);
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exit(1);
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}
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}
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if (invalid_param) {
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fprintf(stderr, "error: invalid parameter for argument: %s\n", arg.c_str());
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gpt_print_usage(argv[0], default_params);
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exit(1);
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}
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return true;
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}
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void gpt_print_usage(char * argv_0, const gpt_params & params) {
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fprintf(stderr, "usage: %s [options]\n", argv_0);
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fprintf(stderr, "\n");
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fprintf(stderr, "options:\n");
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fprintf(stderr, " -h, --help show this help message and exit\n");
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fprintf(stderr, " -i, --interactive run in interactive mode\n");
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fprintf(stderr, " --interactive-first run in interactive mode and wait for input right away\n");
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fprintf(stderr, " --clean-interface hides input prefix & suffix and displays '>' instead\n");
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fprintf(stderr, " -r PROMPT, --reverse-prompt PROMPT\n");
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fprintf(stderr, " run in interactive mode and poll user input upon seeing PROMPT (can be\n");
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fprintf(stderr, " specified more than once for multiple prompts).\n");
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fprintf(stderr, " --color colorise output to distinguish prompt and user input from generations\n");
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fprintf(stderr, " --disable-multiline disable multiline mode (use Ctrl+D on Linux/Mac and Ctrl+Z then Return on Windows to toggle multiline)\n");
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fprintf(stderr, " -s SEED, --seed SEED RNG seed (default: -1, use random seed for <= 0)\n");
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fprintf(stderr, " -t N, --threads N number of threads to use during computation (default: %d)\n", params.n_threads);
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fprintf(stderr, " -p PROMPT, --prompt PROMPT\n");
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fprintf(stderr, " prompt to start generation with (default: empty)\n");
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fprintf(stderr, " --random-prompt start with a randomized prompt.\n");
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fprintf(stderr, " --in-prefix STRING string to prefix user inputs with (default: empty)\n");
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fprintf(stderr, " --ins-prefix STRING (instruct) prefix user inputs with tokenized string (default: empty)\n");
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fprintf(stderr, " --ins-prefix-bos (instruct) prepend bos token to instruct prefix.\n");
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fprintf(stderr, " --ins-suffix STRING (instruct) suffix user inputs with tokenized string (default: empty)\n");
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fprintf(stderr, " --ins-suffix-bos (instruct) prepend bos token to instruct suffix.\n");
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fprintf(stderr, " -f FNAME, --file FNAME\n");
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fprintf(stderr, " prompt file to start generation.\n");
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fprintf(stderr, " -n N, --n_predict N number of tokens to predict (default: %d, -1 = infinity)\n", params.n_predict);
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fprintf(stderr, " --top_k N top-k sampling (default: %d)\n", params.top_k);
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fprintf(stderr, " --top_p N top-p sampling (default: %.1f)\n", (double)params.top_p);
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fprintf(stderr, " --repeat_last_n N last n tokens to consider for penalize (default: %d)\n", params.repeat_last_n);
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fprintf(stderr, " --repeat_penalty N penalize repeat sequence of tokens (default: %.1f)\n", (double)params.repeat_penalty);
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fprintf(stderr, " -c N, --ctx_size N size of the prompt context (default: %d)\n", params.n_ctx);
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fprintf(stderr, " --ignore-eos ignore end of stream token and continue generating\n");
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fprintf(stderr, " --memory_f32 use f32 instead of f16 for memory key+value\n");
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fprintf(stderr, " --temp N temperature (default: %.1f)\n", (double)params.temp);
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fprintf(stderr, " --n_parts N number of model parts (default: -1 = determine from dimensions)\n");
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fprintf(stderr, " -b N, --batch_size N batch size for prompt processing (default: %d)\n", params.n_batch);
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fprintf(stderr, " --perplexity compute perplexity over the prompt\n");
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fprintf(stderr, " --keep number of tokens to keep from the initial prompt (default: %d, -1 = all)\n", params.n_keep);
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if (llama_mlock_supported()) {
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fprintf(stderr, " --mlock force system to keep model in RAM rather than swapping or compressing\n");
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}
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if (llama_mmap_supported()) {
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fprintf(stderr, " --no-mmap do not memory-map model (slower load but may reduce pageouts if not using mlock)\n");
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}
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fprintf(stderr, " --mtest compute maximum memory usage\n");
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fprintf(stderr, " --verbose-prompt print prompt before generation\n");
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fprintf(stderr, " -m FNAME, --model FNAME\n");
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fprintf(stderr, " model path (default: %s)\n", params.model.c_str());
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fprintf(stderr, "\n");
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}
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std::string gpt_random_prompt(std::mt19937 & rng) {
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const int r = rng() % 10;
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switch (r) {
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case 0: return "So";
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case 1: return "Once upon a time";
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case 2: return "When";
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case 3: return "The";
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case 4: return "After";
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case 5: return "If";
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case 6: return "import";
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case 7: return "He";
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case 8: return "She";
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case 9: return "They";
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default: return "To";
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}
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return "The";
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}
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// TODO: not great allocating this every time
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std::vector<llama_token> llama_tokenize(struct llama_context * ctx, const std::string & text, bool add_bos) {
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// initialize to prompt numer of chars, since n_tokens <= n_prompt_chars
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std::vector<llama_token> res(text.size() + (int)add_bos);
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int n = llama_tokenize(ctx, text.c_str(), res.data(), res.size(), add_bos);
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assert(n >= 0);
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res.resize(n);
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return res;
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}
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/* Keep track of current color of output, and emit ANSI code if it changes. */
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void set_console_color(console_state & con_st, console_color_t color) {
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if (con_st.use_color && con_st.color != color) {
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switch(color) {
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case CONSOLE_COLOR_DEFAULT:
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printf(ANSI_COLOR_RESET);
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break;
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case CONSOLE_COLOR_PROMPT:
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printf(ANSI_COLOR_YELLOW);
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break;
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case CONSOLE_COLOR_USER_INPUT:
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printf(ANSI_BOLD ANSI_COLOR_GREEN);
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break;
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}
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con_st.color = color;
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}
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}
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#if defined (_WIN32)
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void win32_console_init(bool enable_color) {
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unsigned long dwMode = 0;
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void* hConOut = GetStdHandle((unsigned long)-11); // STD_OUTPUT_HANDLE (-11)
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if (!hConOut || hConOut == (void*)-1 || !GetConsoleMode(hConOut, &dwMode)) {
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hConOut = GetStdHandle((unsigned long)-12); // STD_ERROR_HANDLE (-12)
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if (hConOut && (hConOut == (void*)-1 || !GetConsoleMode(hConOut, &dwMode))) {
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hConOut = 0;
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}
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}
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if (hConOut) {
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// Enable ANSI colors on Windows 10+
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if (enable_color && !(dwMode & 0x4)) {
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SetConsoleMode(hConOut, dwMode | 0x4); // ENABLE_VIRTUAL_TERMINAL_PROCESSING (0x4)
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}
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// Set console output codepage to UTF8
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SetConsoleOutputCP(CP_UTF8);
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}
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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
|
|
|
|
bool get_input_text(std::string & input_text, bool eof_toggled_multiline_mode) {
|
|
bool another_line = true;
|
|
bool is_eof_multiline_toggled = false;
|
|
do {
|
|
std::string line;
|
|
#if defined(_WIN32)
|
|
auto & stdcin = std::wcin;
|
|
std::wstring wline;
|
|
if (!std::getline(stdcin, wline)) {
|
|
// input stream is bad or EOF received
|
|
if (stdcin.bad()) {
|
|
fprintf(stderr, "%s: error: input stream bad\n", __func__);
|
|
return 1;
|
|
}
|
|
}
|
|
win32_utf8_encode(wline, line);
|
|
#else
|
|
auto & stdcin = std::cin;
|
|
if (!std::getline(stdcin, line)) {
|
|
// input stream is bad or EOF received
|
|
if (stdcin.bad()) {
|
|
fprintf(stderr, "%s: error: input stream bad\n", __func__);
|
|
return 1;
|
|
}
|
|
}
|
|
#endif
|
|
if (stdcin.eof()) {
|
|
stdcin.clear();
|
|
stdcin.seekg(0, std::ios::beg);
|
|
if (!eof_toggled_multiline_mode) {
|
|
another_line = false;
|
|
} else {
|
|
is_eof_multiline_toggled = !is_eof_multiline_toggled;
|
|
if (is_eof_multiline_toggled) {
|
|
input_text += line;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
if (!eof_toggled_multiline_mode) {
|
|
if (line.empty() || line.back() != '\\') {
|
|
another_line = false;
|
|
} else {
|
|
line.pop_back(); // Remove the continue character
|
|
}
|
|
} else {
|
|
if (!is_eof_multiline_toggled) {
|
|
another_line = false;
|
|
}
|
|
}
|
|
input_text += line;
|
|
if (another_line) {
|
|
input_text += '\n'; // Append the line to the result
|
|
}
|
|
} while (another_line);
|
|
return true;
|
|
}
|