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Import llama.cpp
https://github.com/ggerganov/llama.cpp 0b2da20538d01926b77ea237dd1c930c4d20b686 See third_party/ggml/README.cosmo for changes
This commit is contained in:
Justine Tunney
parent
f42089d5c6
commit
e8b43903b2
14 changed files with 18313 additions and 2 deletions
568
third_party/ggml/main.cc
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568
third_party/ggml/main.cc
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@ -0,0 +1,568 @@
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/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:4;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=4 sts=4 sw=4 fenc=utf-8 :vi│
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╚──────────────────────────────────────────────────────────────────────────────╝
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│ │
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│ llama.cpp │
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│ Copyright (c) 2023 Georgi Gerganov │
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│ │
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│ Permission is hereby granted, free of charge, to any person obtaining │
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│ a copy of this software and associated documentation files (the │
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│ "Software"), to deal in the Software without restriction, including │
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│ without limitation the rights to use, copy, modify, merge, publish, │
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│ distribute, sublicense, and/or sell copies of the Software, and to │
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│ permit persons to whom the Software is furnished to do so, subject to │
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│ the following conditions: │
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│ │
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│ The above copyright notice and this permission notice shall be │
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│ included in all copies or substantial portions of the Software. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, │
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│ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF │
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│ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. │
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│ IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY │
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│ CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, │
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│ TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE │
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│ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. │
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│ │
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╚─────────────────────────────────────────────────────────────────────────────*/
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asm(".ident\t\"\\n\\n\
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llama.cpp (MIT License)\\n\
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Copyright (c) 2023 Georgi Gerganov\"");
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asm(".include \"libc/disclaimer.inc\"");
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// clang-format off
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// Defines sigaction on msys:
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif
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#include "third_party/ggml/common.h"
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#include "libc/nexgen32e/x86feature.h"
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#include "third_party/ggml/llama.h"
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#include "third_party/libcxx/cassert"
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#include "third_party/libcxx/cinttypes"
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#include "third_party/libcxx/cmath"
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#include "third_party/libcxx/cstdio"
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#include "third_party/libcxx/cstring"
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#include "third_party/libcxx/ctime"
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#include "third_party/libcxx/fstream"
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#include "third_party/libcxx/iostream"
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#include "third_party/libcxx/string"
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#include "third_party/libcxx/vector"
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#if defined (__unix__) || (defined (__APPLE__) && defined (__MACH__))
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#include "libc/calls/calls.h"
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#include "libc/calls/sigtimedwait.h"
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#include "libc/calls/struct/sigaction.h"
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#include "libc/calls/struct/siginfo.h"
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#include "libc/sysv/consts/sa.h"
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#include "libc/sysv/consts/sicode.h"
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#include "libc/sysv/consts/ss.h"
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#include "libc/calls/calls.h"
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#include "libc/calls/weirdtypes.h"
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#include "libc/runtime/pathconf.h"
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#include "libc/runtime/runtime.h"
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#include "libc/runtime/sysconf.h"
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#include "libc/sysv/consts/f.h"
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#include "libc/sysv/consts/fileno.h"
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#include "libc/sysv/consts/o.h"
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#include "libc/sysv/consts/ok.h"
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#include "libc/time/time.h"
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#include "third_party/getopt/getopt.h"
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#include "third_party/musl/crypt.h"
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#include "third_party/musl/lockf.h"
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#elif defined (_WIN32)
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#include "libc/calls/calls.h"
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#include "libc/calls/sigtimedwait.h"
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#include "libc/calls/struct/sigaction.h"
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#include "libc/calls/struct/siginfo.h"
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#include "libc/sysv/consts/sa.h"
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#include "libc/sysv/consts/sicode.h"
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#include "libc/sysv/consts/ss.h"
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#endif
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static console_state con_st;
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static llama_context ** g_ctx;
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static bool is_interacting = false;
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#if defined (__unix__) || (defined (__APPLE__) && defined (__MACH__)) || defined (_WIN32)
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void sigint_handler(int signo) {
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set_console_color(con_st, CONSOLE_COLOR_DEFAULT);
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printf("\n"); // this also force flush stdout.
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if (signo == SIGINT) {
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if (!is_interacting) {
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is_interacting=true;
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} else {
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llama_print_timings(*g_ctx);
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_exit(130);
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}
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}
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}
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#endif
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static int on_missing_feature(const char *name) {
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fprintf(stderr, "error: we require %s support in your microprocessor.\n", name);
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return 1;
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}
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int main(int argc, char ** argv) {
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gpt_params params;
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params.model = "models/llama-7B/ggml-model.bin";
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if (!X86_HAVE(AVX2)) return on_missing_feature("avx2");
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if (!X86_HAVE(AVX)) return on_missing_feature("avx");
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if (!X86_HAVE(FMA)) return on_missing_feature("fma");
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if (!X86_HAVE(F16C)) return on_missing_feature("f16c");
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if (!X86_HAVE(SSE3)) return on_missing_feature("sse3");
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if (gpt_params_parse(argc, argv, params) == false) {
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return 1;
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}
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// save choice to use color for later
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// (note for later: this is a slightly awkward choice)
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con_st.use_color = params.use_color;
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#if defined (_WIN32)
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win32_console_init(params.use_color);
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#endif
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if (params.perplexity) {
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printf("\n************\n");
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printf("%s: please use the 'perplexity' tool for perplexity calculations\n", __func__);
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printf("************\n\n");
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return 0;
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}
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if (params.embedding) {
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printf("\n************\n");
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printf("%s: please use the 'embedding' tool for embedding calculations\n", __func__);
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printf("************\n\n");
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return 0;
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}
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if (params.n_ctx > 2048) {
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fprintf(stderr, "%s: warning: model does not support context sizes greater than 2048 tokens (%d specified);"
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"expect poor results\n", __func__, params.n_ctx);
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}
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if (params.seed <= 0) {
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params.seed = time(NULL);
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}
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fprintf(stderr, "%s: seed = %d\n", __func__, params.seed);
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std::mt19937 rng(params.seed);
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if (params.random_prompt) {
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params.prompt = gpt_random_prompt(rng);
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}
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// params.prompt = R"(// this function checks if the number n is prime
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//bool is_prime(int n) {)";
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llama_context * ctx;
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g_ctx = &ctx;
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// load the model
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{
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auto lparams = llama_context_default_params();
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lparams.n_ctx = params.n_ctx;
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lparams.n_parts = params.n_parts;
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lparams.seed = params.seed;
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lparams.f16_kv = params.memory_f16;
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lparams.use_mmap = params.use_mmap;
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lparams.use_mlock = params.use_mlock;
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ctx = llama_init_from_file(params.model.c_str(), lparams);
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if (ctx == NULL) {
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fprintf(stderr, "%s: error: failed to load model '%s'\n", __func__, params.model.c_str());
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return 1;
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}
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}
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if (!params.lora_adapter.empty()) {
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int err = llama_apply_lora_from_file(ctx,
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params.lora_adapter.c_str(),
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params.lora_base.empty() ? NULL : params.lora_base.c_str(),
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params.n_threads);
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if (err != 0) {
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fprintf(stderr, "%s: error: failed to apply lora adapter\n", __func__);
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return 1;
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}
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}
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// print system information
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{
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fprintf(stderr, "\n");
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fprintf(stderr, "system_info: n_threads = %d / %d | %s\n",
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params.n_threads, std::thread::hardware_concurrency(), llama_print_system_info());
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}
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// determine the maximum memory usage needed to do inference for the given n_batch and n_predict parameters
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// uncomment the "used_mem" line in llama.cpp to see the results
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if (params.mem_test) {
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{
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const std::vector<llama_token> tmp(params.n_batch, 0);
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llama_eval(ctx, tmp.data(), tmp.size(), 0, params.n_threads);
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}
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{
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const std::vector<llama_token> tmp = { 0, };
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llama_eval(ctx, tmp.data(), tmp.size(), params.n_predict - 1, params.n_threads);
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}
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llama_print_timings(ctx);
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llama_free(ctx);
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return 0;
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}
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// Add a space in front of the first character to match OG llama tokenizer behavior
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params.prompt.insert(0, 1, ' ');
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// tokenize the prompt
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auto embd_inp = ::llama_tokenize(ctx, params.prompt, true);
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const int n_ctx = llama_n_ctx(ctx);
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if ((int) embd_inp.size() > n_ctx - 4) {
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fprintf(stderr, "%s: error: prompt is too long (%d tokens, max %d)\n", __func__, (int) embd_inp.size(), n_ctx - 4);
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return 1;
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}
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// number of tokens to keep when resetting context
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if (params.n_keep < 0 || params.n_keep > (int)embd_inp.size() || params.instruct) {
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params.n_keep = (int)embd_inp.size();
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}
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// prefix & suffix for instruct mode
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const auto inp_pfx = ::llama_tokenize(ctx, "\n\n### Instruction:\n\n", true);
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const auto inp_sfx = ::llama_tokenize(ctx, "\n\n### Response:\n\n", false);
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// in instruct mode, we inject a prefix and a suffix to each input by the user
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if (params.instruct) {
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params.interactive_first = true;
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params.antiprompt.push_back("### Instruction:\n\n");
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}
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// enable interactive mode if reverse prompt or interactive start is specified
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if (params.antiprompt.size() != 0 || params.interactive_first) {
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params.interactive = true;
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}
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// determine newline token
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auto llama_token_newline = ::llama_tokenize(ctx, "\n", false);
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if (params.verbose_prompt) {
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fprintf(stderr, "\n");
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fprintf(stderr, "%s: prompt: '%s'\n", __func__, params.prompt.c_str());
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fprintf(stderr, "%s: number of tokens in prompt = %zu\n", __func__, embd_inp.size());
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for (int i = 0; i < (int) embd_inp.size(); i++) {
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fprintf(stderr, "%6d -> '%s'\n", embd_inp[i], llama_token_to_str(ctx, embd_inp[i]));
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}
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if (params.n_keep > 0) {
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fprintf(stderr, "%s: static prompt based on n_keep: '", __func__);
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for (int i = 0; i < params.n_keep; i++) {
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fprintf(stderr, "%s", llama_token_to_str(ctx, embd_inp[i]));
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}
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fprintf(stderr, "'\n");
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}
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fprintf(stderr, "\n");
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}
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if (params.interactive) {
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#if defined (__unix__) || (defined (__APPLE__) && defined (__MACH__))
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struct sigaction sigint_action;
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sigint_action.sa_handler = sigint_handler;
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sigemptyset (&sigint_action.sa_mask);
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sigint_action.sa_flags = 0;
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sigaction(SIGINT, &sigint_action, NULL);
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#elif defined (_WIN32)
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signal(SIGINT, sigint_handler);
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#endif
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fprintf(stderr, "%s: interactive mode on.\n", __func__);
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if (params.antiprompt.size()) {
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for (auto antiprompt : params.antiprompt) {
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fprintf(stderr, "Reverse prompt: '%s'\n", antiprompt.c_str());
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}
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}
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if (!params.input_prefix.empty()) {
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fprintf(stderr, "Input prefix: '%s'\n", params.input_prefix.c_str());
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}
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}
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fprintf(stderr, "sampling: temp = %f, top_k = %d, top_p = %f, repeat_last_n = %i, repeat_penalty = %f\n",
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params.temp, params.top_k, params.top_p, params.repeat_last_n, params.repeat_penalty);
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fprintf(stderr, "generate: n_ctx = %d, n_batch = %d, n_predict = %d, n_keep = %d\n", n_ctx, params.n_batch, params.n_predict, params.n_keep);
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fprintf(stderr, "\n\n");
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// TODO: replace with ring-buffer
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std::vector<llama_token> last_n_tokens(n_ctx);
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std::fill(last_n_tokens.begin(), last_n_tokens.end(), 0);
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if (params.interactive) {
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fprintf(stderr, "== Running in interactive mode. ==\n"
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#if defined (__unix__) || (defined (__APPLE__) && defined (__MACH__)) || defined (_WIN32)
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" - Press Ctrl+C to interject at any time.\n"
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#endif
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" - Press Return to return control to LLaMa.\n"
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" - If you want to submit another line, end your input in '\\'.\n\n");
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is_interacting = params.interactive_first;
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}
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bool is_antiprompt = false;
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bool input_noecho = false;
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int n_past = 0;
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int n_remain = params.n_predict;
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int n_consumed = 0;
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// the first thing we will do is to output the prompt, so set color accordingly
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set_console_color(con_st, CONSOLE_COLOR_PROMPT);
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std::vector<llama_token> embd;
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while (n_remain != 0 || params.interactive) {
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// predict
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if (embd.size() > 0) {
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// infinite text generation via context swapping
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// if we run out of context:
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// - take the n_keep first tokens from the original prompt (via n_past)
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// - take half of the last (n_ctx - n_keep) tokens and recompute the logits in batches
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if (n_past + (int) embd.size() > n_ctx) {
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const int n_left = n_past - params.n_keep;
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n_past = params.n_keep;
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// insert n_left/2 tokens at the start of embd from last_n_tokens
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embd.insert(embd.begin(), last_n_tokens.begin() + n_ctx - n_left/2 - embd.size(), last_n_tokens.end() - embd.size());
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//printf("\n---\n");
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//printf("resetting: '");
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//for (int i = 0; i < (int) embd.size(); i++) {
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// printf("%s", llama_token_to_str(ctx, embd[i]));
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//}
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//printf("'\n");
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//printf("\n---\n");
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}
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// evaluate tokens in batches
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// embd is typically prepared beforehand to fit within a batch, but not always
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for (int i = 0; i < (int) embd.size(); i += params.n_batch) {
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int n_eval = (int) embd.size() - i;
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if (n_eval > params.n_batch) {
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n_eval = params.n_batch;
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}
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if (llama_eval(ctx, &embd[i], n_eval, n_past, params.n_threads)) {
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fprintf(stderr, "%s : failed to eval\n", __func__);
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return 1;
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}
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n_past += n_eval;
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}
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}
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embd.clear();
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if ((int) embd_inp.size() <= n_consumed && !is_interacting) {
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// out of user input, sample next token
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const int32_t top_k = params.top_k;
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const float top_p = params.top_p;
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const float temp = params.temp;
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const float repeat_penalty = params.repeat_penalty;
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llama_token id = 0;
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{
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auto logits = llama_get_logits(ctx);
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if (params.ignore_eos) {
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logits[llama_token_eos()] = 0;
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}
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id = llama_sample_top_p_top_k(ctx,
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last_n_tokens.data() + n_ctx - params.repeat_last_n,
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params.repeat_last_n, top_k, top_p, temp, repeat_penalty);
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last_n_tokens.erase(last_n_tokens.begin());
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last_n_tokens.push_back(id);
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}
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// replace end of text token with newline token when in interactive mode
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if (id == llama_token_eos() && params.interactive && !params.instruct) {
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id = llama_token_newline.front();
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if (params.antiprompt.size() != 0) {
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// tokenize and inject first reverse prompt
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const auto first_antiprompt = ::llama_tokenize(ctx, params.antiprompt.front(), false);
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embd_inp.insert(embd_inp.end(), first_antiprompt.begin(), first_antiprompt.end());
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}
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}
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// add it to the context
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embd.push_back(id);
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// echo this to console
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input_noecho = false;
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// decrement remaining sampling budget
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--n_remain;
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} else {
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// some user input remains from prompt or interaction, forward it to processing
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while ((int) embd_inp.size() > n_consumed) {
|
||||
embd.push_back(embd_inp[n_consumed]);
|
||||
last_n_tokens.erase(last_n_tokens.begin());
|
||||
last_n_tokens.push_back(embd_inp[n_consumed]);
|
||||
++n_consumed;
|
||||
if ((int) embd.size() >= params.n_batch) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// display text
|
||||
if (!input_noecho) {
|
||||
for (auto id : embd) {
|
||||
printf("%s", llama_token_to_str(ctx, id));
|
||||
}
|
||||
fflush(stdout);
|
||||
}
|
||||
// reset color to default if we there is no pending user input
|
||||
if (!input_noecho && (int)embd_inp.size() == n_consumed) {
|
||||
set_console_color(con_st, CONSOLE_COLOR_DEFAULT);
|
||||
}
|
||||
|
||||
// in interactive mode, and not currently processing queued inputs;
|
||||
// check if we should prompt the user for more
|
||||
if (params.interactive && (int) embd_inp.size() <= n_consumed) {
|
||||
|
||||
// check for reverse prompt
|
||||
if (params.antiprompt.size()) {
|
||||
std::string last_output;
|
||||
for (auto id : last_n_tokens) {
|
||||
last_output += llama_token_to_str(ctx, id);
|
||||
}
|
||||
|
||||
is_antiprompt = false;
|
||||
// Check if each of the reverse prompts appears at the end of the output.
|
||||
for (std::string & antiprompt : params.antiprompt) {
|
||||
if (last_output.find(antiprompt.c_str(), last_output.length() - antiprompt.length(), antiprompt.length()) != std::string::npos) {
|
||||
is_interacting = true;
|
||||
is_antiprompt = true;
|
||||
set_console_color(con_st, CONSOLE_COLOR_USER_INPUT);
|
||||
fflush(stdout);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (n_past > 0 && is_interacting) {
|
||||
// potentially set color to indicate we are taking user input
|
||||
set_console_color(con_st, CONSOLE_COLOR_USER_INPUT);
|
||||
|
||||
#if defined (_WIN32)
|
||||
// Windows: must reactivate sigint handler after each signal
|
||||
signal(SIGINT, sigint_handler);
|
||||
#endif
|
||||
|
||||
if (params.instruct) {
|
||||
printf("\n> ");
|
||||
}
|
||||
|
||||
std::string buffer;
|
||||
if (!params.input_prefix.empty()) {
|
||||
buffer += params.input_prefix;
|
||||
printf("%s", buffer.c_str());
|
||||
}
|
||||
|
||||
std::string line;
|
||||
bool another_line = true;
|
||||
do {
|
||||
#if defined(_WIN32)
|
||||
std::wstring wline;
|
||||
if (!std::getline(std::wcin, wline)) {
|
||||
// input stream is bad or EOF received
|
||||
return 0;
|
||||
}
|
||||
win32_utf8_encode(wline, line);
|
||||
#else
|
||||
if (!std::getline(std::cin, line)) {
|
||||
// input stream is bad or EOF received
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
if (line.empty() || line.back() != '\\') {
|
||||
another_line = false;
|
||||
} else {
|
||||
line.pop_back(); // Remove the continue character
|
||||
}
|
||||
buffer += line + '\n'; // Append the line to the result
|
||||
} while (another_line);
|
||||
|
||||
// done taking input, reset color
|
||||
set_console_color(con_st, CONSOLE_COLOR_DEFAULT);
|
||||
|
||||
// Add tokens to embd only if the input buffer is non-empty
|
||||
// Entering a empty line lets the user pass control back
|
||||
if (buffer.length() > 1) {
|
||||
|
||||
// instruct mode: insert instruction prefix
|
||||
if (params.instruct && !is_antiprompt) {
|
||||
n_consumed = embd_inp.size();
|
||||
embd_inp.insert(embd_inp.end(), inp_pfx.begin(), inp_pfx.end());
|
||||
}
|
||||
|
||||
auto line_inp = ::llama_tokenize(ctx, buffer, false);
|
||||
embd_inp.insert(embd_inp.end(), line_inp.begin(), line_inp.end());
|
||||
|
||||
// instruct mode: insert response suffix
|
||||
if (params.instruct) {
|
||||
embd_inp.insert(embd_inp.end(), inp_sfx.begin(), inp_sfx.end());
|
||||
}
|
||||
|
||||
n_remain -= line_inp.size();
|
||||
}
|
||||
|
||||
input_noecho = true; // do not echo this again
|
||||
}
|
||||
|
||||
if (n_past > 0) {
|
||||
is_interacting = false;
|
||||
}
|
||||
}
|
||||
|
||||
// end of text token
|
||||
if (!embd.empty() && embd.back() == llama_token_eos()) {
|
||||
if (params.instruct) {
|
||||
is_interacting = true;
|
||||
} else {
|
||||
fprintf(stderr, " [end of text]\n");
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// In interactive mode, respect the maximum number of tokens and drop back to user input when reached.
|
||||
if (params.interactive && n_remain <= 0 && params.n_predict != -1) {
|
||||
n_remain = params.n_predict;
|
||||
is_interacting = true;
|
||||
}
|
||||
}
|
||||
|
||||
#if defined (_WIN32)
|
||||
signal(SIGINT, SIG_DFL);
|
||||
#endif
|
||||
|
||||
llama_print_timings(ctx);
|
||||
llama_free(ctx);
|
||||
|
||||
set_console_color(con_st, CONSOLE_COLOR_DEFAULT);
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue