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Diffstat (limited to 'examples/common.cpp')
-rw-r--r-- | examples/common.cpp | 718 |
1 files changed, 0 insertions, 718 deletions
diff --git a/examples/common.cpp b/examples/common.cpp deleted file mode 100644 index bd39d922..00000000 --- a/examples/common.cpp +++ /dev/null @@ -1,718 +0,0 @@ -#include "common.h" - -#include <cassert> -#include <iostream> -#include <cstring> -#include <fstream> -#include <string> -#include <iterator> -#include <algorithm> -#include <sstream> -#include <unordered_set> -#include <regex> - -#if defined(__APPLE__) && defined(__MACH__) -#include <sys/types.h> -#include <sys/sysctl.h> -#endif - -#if defined(_WIN32) -#define WIN32_LEAN_AND_MEAN -#define NOMINMAX -#include <windows.h> -#include <fcntl.h> -#include <io.h> -#else -#include <sys/ioctl.h> -#include <unistd.h> -#endif - -#if defined(_MSC_VER) -#pragma warning(disable: 4244 4267) // possible loss of data -#endif - -int32_t get_num_physical_cores() { -#ifdef __linux__ - // enumerate the set of thread siblings, num entries is num cores - std::unordered_set<std::string> siblings; - for (uint32_t cpu=0; cpu < UINT32_MAX; ++cpu) { - std::ifstream thread_siblings("/sys/devices/system/cpu" - + std::to_string(cpu) + "/topology/thread_siblings"); - if (!thread_siblings.is_open()) { - break; // no more cpus - } - std::string line; - if (std::getline(thread_siblings, line)) { - siblings.insert(line); - } - } - if (siblings.size() > 0) { - return static_cast<int32_t>(siblings.size()); - } -#elif defined(__APPLE__) && defined(__MACH__) - int32_t num_physical_cores; - size_t len = sizeof(num_physical_cores); - int result = sysctlbyname("hw.perflevel0.physicalcpu", &num_physical_cores, &len, NULL, 0); - if (result == 0) { - return num_physical_cores; - } - result = sysctlbyname("hw.physicalcpu", &num_physical_cores, &len, NULL, 0); - if (result == 0) { - return num_physical_cores; - } -#elif defined(_WIN32) - //TODO: Implement -#endif - unsigned int n_threads = std::thread::hardware_concurrency(); - return n_threads > 0 ? (n_threads <= 4 ? n_threads : n_threads / 2) : 4; -} - -void process_escapes(std::string& input) { - std::size_t input_len = input.length(); - std::size_t output_idx = 0; - - for (std::size_t input_idx = 0; input_idx < input_len; ++input_idx) { - if (input[input_idx] == '\\' && input_idx + 1 < input_len) { - switch (input[++input_idx]) { - case 'n': input[output_idx++] = '\n'; break; - case 'r': input[output_idx++] = '\r'; break; - case 't': input[output_idx++] = '\t'; break; - case '\'': input[output_idx++] = '\''; break; - case '\"': input[output_idx++] = '\"'; break; - case '\\': input[output_idx++] = '\\'; break; - default: input[output_idx++] = '\\'; - input[output_idx++] = input[input_idx]; break; - } - } else { - input[output_idx++] = input[input_idx]; - } - } - - input.resize(output_idx); -} - -bool gpt_params_parse(int argc, char ** argv, gpt_params & params) { - bool invalid_param = false; - bool escape_prompt = false; - std::string arg; - gpt_params default_params; - const std::string arg_prefix = "--"; - - for (int i = 1; i < argc; i++) { - arg = argv[i]; - if (arg.compare(0, arg_prefix.size(), arg_prefix) == 0) { - std::replace(arg.begin(), arg.end(), '_', '-'); - } - - if (arg == "-s" || arg == "--seed") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.seed = std::stoul(argv[i]); - } else if (arg == "-t" || arg == "--threads") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.n_threads = std::stoi(argv[i]); - if (params.n_threads <= 0) { - params.n_threads = std::thread::hardware_concurrency(); - } - } else if (arg == "-p" || arg == "--prompt") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.prompt = argv[i]; - } else if (arg == "-e") { - escape_prompt = true; - } else if (arg == "--prompt-cache") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.path_prompt_cache = argv[i]; - } else if (arg == "--prompt-cache-all") { - params.prompt_cache_all = true; - } else if (arg == "--prompt-cache-ro") { - params.prompt_cache_ro = true; - } else if (arg == "-f" || arg == "--file") { - if (++i >= argc) { - invalid_param = true; - break; - } - std::ifstream file(argv[i]); - if (!file) { - fprintf(stderr, "error: failed to open file '%s'\n", argv[i]); - invalid_param = true; - break; - } - 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 == "-gqa" || arg == "--gqa") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.n_gqa = std::stoi(argv[i]); - } else if (arg == "-eps" || arg == "--rms-norm-eps") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.rms_norm_eps = std::stof(argv[i]); - } else if (arg == "--rope-freq-base") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.rope_freq_base = std::stof(argv[i]); - } else if (arg == "--rope-freq-scale") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.rope_freq_scale = std::stof(argv[i]); - } else if (arg == "--rope-scale") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.rope_freq_scale = 1.0f/std::stof(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 == "--tfs") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.tfs_z = std::stof(argv[i]); - } else if (arg == "--typical") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.typical_p = 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 == "--frequency-penalty") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.frequency_penalty = std::stof(argv[i]); - } else if (arg == "--presence-penalty") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.presence_penalty = std::stof(argv[i]); - } else if (arg == "--mirostat") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.mirostat = std::stoi(argv[i]); - } else if (arg == "--mirostat-lr") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.mirostat_eta = std::stof(argv[i]); - } else if (arg == "--mirostat-ent") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.mirostat_tau = std::stof(argv[i]); - } else if (arg == "--cfg-negative-prompt") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.cfg_negative_prompt = argv[i]; - } else if (arg == "--cfg-negative-prompt-file") { - if (++i >= argc) { - invalid_param = true; - break; - } - std::ifstream file(argv[i]); - if (!file) { - fprintf(stderr, "error: failed to open file '%s'\n", argv[i]); - invalid_param = true; - break; - } - std::copy(std::istreambuf_iterator<char>(file), std::istreambuf_iterator<char>(), back_inserter(params.cfg_negative_prompt)); - if (params.cfg_negative_prompt.back() == '\n') { - params.cfg_negative_prompt.pop_back(); - } - } else if (arg == "--cfg-scale") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.cfg_scale = 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 = std::stoi(argv[i]); - } else if (arg == "--chunks") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.n_chunks = std::stoi(argv[i]); - } else if (arg == "-m" || arg == "--model") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.model = argv[i]; - } else if (arg == "-a" || arg == "--alias") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.model_alias = 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 == "--multiline-input") { - params.multiline_input = true; - } else if (arg == "--simple-io") { - params.simple_io = true; - } else if (arg == "--color") { - params.use_color = true; - } else if (arg == "--mlock") { - params.use_mlock = true; - } else if (arg == "--gpu-layers" || arg == "-ngl" || arg == "--n-gpu-layers") { - if (++i >= argc) { - invalid_param = true; - break; - } -#ifdef LLAMA_SUPPORTS_GPU_OFFLOAD - params.n_gpu_layers = std::stoi(argv[i]); -#else - fprintf(stderr, "warning: not compiled with GPU offload support, --n-gpu-layers option will be ignored\n"); - fprintf(stderr, "warning: see main README.md for information on enabling GPU BLAS support\n"); -#endif - } else if (arg == "--main-gpu" || arg == "-mg") { - if (++i >= argc) { - invalid_param = true; - break; - } -#ifdef GGML_USE_CUBLAS - params.main_gpu = std::stoi(argv[i]); -#else - fprintf(stderr, "warning: llama.cpp was compiled without cuBLAS. It is not possible to set a main GPU.\n"); -#endif - } else if (arg == "--tensor-split" || arg == "-ts") { - if (++i >= argc) { - invalid_param = true; - break; - } -#ifdef GGML_USE_CUBLAS - std::string arg_next = argv[i]; - - // split string by , and / - const std::regex regex{R"([,/]+)"}; - std::sregex_token_iterator it{arg_next.begin(), arg_next.end(), regex, -1}; - std::vector<std::string> split_arg{it, {}}; - GGML_ASSERT(split_arg.size() <= LLAMA_MAX_DEVICES); - - for (size_t i = 0; i < LLAMA_MAX_DEVICES; ++i) { - if (i < split_arg.size()) { - params.tensor_split[i] = std::stof(split_arg[i]); - } else { - params.tensor_split[i] = 0.0f; - } - } -#else - fprintf(stderr, "warning: llama.cpp was compiled without cuBLAS. It is not possible to set a tensor split.\n"); -#endif // GGML_USE_CUBLAS - } else if (arg == "--mul-mat-q" || arg == "-mmq") { -#ifdef GGML_USE_CUBLAS - params.mul_mat_q = true; -#else - fprintf(stderr, "warning: llama.cpp was compiled without cuBLAS. It is not possible to use mul_mat_q kernels.\n"); -#endif // GGML_USE_CUBLAS - } else if (arg == "--low-vram" || arg == "-lv") { -#ifdef GGML_USE_CUBLAS - params.low_vram = true; -#else - fprintf(stderr, "warning: llama.cpp was compiled without cuBLAS. It is not possible to set lower vram usage.\n"); -#endif // GGML_USE_CUBLAS - } else if (arg == "--no-mmap") { - params.use_mmap = false; - } else if (arg == "--mtest") { - params.mem_test = true; - } else if (arg == "--numa") { - params.numa = true; - } else if (arg == "--export") { - params.export_cgraph = 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 == "--hellaswag") { - params.hellaswag = true; - } else if (arg == "--hellaswag-tasks") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.hellaswag_tasks = std::stoi(argv[i]); - } else if (arg == "--ignore-eos") { - params.logit_bias[llama_token_eos()] = -INFINITY; - } else if (arg == "--no-penalize-nl") { - params.penalize_nl = false; - } else if (arg == "-l" || arg == "--logit-bias") { - if (++i >= argc) { - invalid_param = true; - break; - } - std::stringstream ss(argv[i]); - llama_token key; - char sign; - std::string value_str; - try { - if (ss >> key && ss >> sign && std::getline(ss, value_str) && (sign == '+' || sign == '-')) { - params.logit_bias[key] = std::stof(value_str) * ((sign == '-') ? -1.0f : 1.0f); - } else { - throw std::exception(); - } - } catch (const std::exception&) { - invalid_param = true; - break; - } - } 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-bos") { - params.input_prefix_bos = true; - } else if (arg == "--in-prefix") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.input_prefix = argv[i]; - } else if (arg == "--in-suffix") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.input_suffix = argv[i]; - } else if (arg == "--grammar") { - if (++i >= argc) { - invalid_param = true; - break; - } - params.grammar = argv[i]; - } else if (arg == "--grammar-file") { - if (++i >= argc) { - invalid_param = true; - break; - } - std::ifstream file(argv[i]); - if (!file) { - fprintf(stderr, "error: failed to open file '%s'\n", argv[i]); - invalid_param = true; - break; - } - std::copy( - std::istreambuf_iterator<char>(file), - std::istreambuf_iterator<char>(), - std::back_inserter(params.grammar) - ); - } 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 (params.prompt_cache_all && - (params.interactive || params.interactive_first || - params.instruct)) { - fprintf(stderr, "error: --prompt-cache-all not supported in interactive mode yet\n"); - gpt_print_usage(argc, argv, default_params); - exit(1); - } - - if (escape_prompt) { - process_escapes(params.prompt); - process_escapes(params.input_prefix); - process_escapes(params.input_suffix); - } - - return true; -} - -void gpt_print_usage(int /*argc*/, char ** argv, const gpt_params & params) { - fprintf(stdout, "usage: %s [options]\n", argv[0]); - fprintf(stdout, "\n"); - fprintf(stdout, "options:\n"); - fprintf(stdout, " -h, --help show this help message and exit\n"); - fprintf(stdout, " -i, --interactive run in interactive mode\n"); - fprintf(stdout, " --interactive-first run in interactive mode and wait for input right away\n"); - fprintf(stdout, " -ins, --instruct run in instruction mode (use with Alpaca models)\n"); - fprintf(stdout, " --multiline-input allows you to write or paste multiple lines without ending each in '\\'\n"); - fprintf(stdout, " -r PROMPT, --reverse-prompt PROMPT\n"); - fprintf(stdout, " halt generation at PROMPT, return control in interactive mode\n"); - fprintf(stdout, " (can be specified more than once for multiple prompts).\n"); - fprintf(stdout, " --color colorise output to distinguish prompt and user input from generations\n"); - fprintf(stdout, " -s SEED, --seed SEED RNG seed (default: -1, use random seed for < 0)\n"); - fprintf(stdout, " -t N, --threads N number of threads to use during computation (default: %d)\n", params.n_threads); - fprintf(stdout, " -p PROMPT, --prompt PROMPT\n"); - fprintf(stdout, " prompt to start generation with (default: empty)\n"); - fprintf(stdout, " -e process prompt escapes sequences (\\n, \\r, \\t, \\', \\\", \\\\)\n"); - fprintf(stdout, " --prompt-cache FNAME file to cache prompt state for faster startup (default: none)\n"); - fprintf(stdout, " --prompt-cache-all if specified, saves user input and generations to cache as well.\n"); - fprintf(stdout, " not supported with --interactive or other interactive options\n"); - fprintf(stdout, " --prompt-cache-ro if specified, uses the prompt cache but does not update it.\n"); - fprintf(stdout, " --random-prompt start with a randomized prompt.\n"); - fprintf(stdout, " --in-prefix-bos prefix BOS to user inputs, preceding the `--in-prefix` string\n"); - fprintf(stdout, " --in-prefix STRING string to prefix user inputs with (default: empty)\n"); - fprintf(stdout, " --in-suffix STRING string to suffix after user inputs with (default: empty)\n"); - fprintf(stdout, " -f FNAME, --file FNAME\n"); - fprintf(stdout, " prompt file to start generation.\n"); - fprintf(stdout, " -n N, --n-predict N number of tokens to predict (default: %d, -1 = infinity, -2 = until context filled)\n", params.n_predict); - fprintf(stdout, " -c N, --ctx-size N size of the prompt context (default: %d)\n", params.n_ctx); - fprintf(stdout, " -b N, --batch-size N batch size for prompt processing (default: %d)\n", params.n_batch); - fprintf(stdout, " -gqa N, --gqa N grouped-query attention factor (TEMP!!! use 8 for LLaMAv2 70B) (default: %d)\n", params.n_gqa); - fprintf(stdout, " -eps N, --rms-norm-eps N rms norm eps (TEMP!!! use 1e-5 for LLaMAv2) (default: %.1e)\n", params.rms_norm_eps); - fprintf(stdout, " --top-k N top-k sampling (default: %d, 0 = disabled)\n", params.top_k); - fprintf(stdout, " --top-p N top-p sampling (default: %.1f, 1.0 = disabled)\n", (double)params.top_p); - fprintf(stdout, " --tfs N tail free sampling, parameter z (default: %.1f, 1.0 = disabled)\n", (double)params.tfs_z); - fprintf(stdout, " --typical N locally typical sampling, parameter p (default: %.1f, 1.0 = disabled)\n", (double)params.typical_p); - fprintf(stdout, " --repeat-last-n N last n tokens to consider for penalize (default: %d, 0 = disabled, -1 = ctx_size)\n", params.repeat_last_n); - fprintf(stdout, " --repeat-penalty N penalize repeat sequence of tokens (default: %.1f, 1.0 = disabled)\n", (double)params.repeat_penalty); - fprintf(stdout, " --presence-penalty N repeat alpha presence penalty (default: %.1f, 0.0 = disabled)\n", (double)params.presence_penalty); - fprintf(stdout, " --frequency-penalty N repeat alpha frequency penalty (default: %.1f, 0.0 = disabled)\n", (double)params.frequency_penalty); - fprintf(stdout, " --mirostat N use Mirostat sampling.\n"); - fprintf(stdout, " Top K, Nucleus, Tail Free and Locally Typical samplers are ignored if used.\n"); - fprintf(stdout, " (default: %d, 0 = disabled, 1 = Mirostat, 2 = Mirostat 2.0)\n", params.mirostat); - fprintf(stdout, " --mirostat-lr N Mirostat learning rate, parameter eta (default: %.1f)\n", (double)params.mirostat_eta); - fprintf(stdout, " --mirostat-ent N Mirostat target entropy, parameter tau (default: %.1f)\n", (double)params.mirostat_tau); - fprintf(stdout, " -l TOKEN_ID(+/-)BIAS, --logit-bias TOKEN_ID(+/-)BIAS\n"); - fprintf(stdout, " modifies the likelihood of token appearing in the completion,\n"); - fprintf(stdout, " i.e. `--logit-bias 15043+1` to increase likelihood of token ' Hello',\n"); - fprintf(stdout, " or `--logit-bias 15043-1` to decrease likelihood of token ' Hello'\n"); - fprintf(stdout, " --grammar GRAMMAR BNF-like grammar to constrain generations (see samples in grammars/ dir)\n"); - fprintf(stdout, " --grammar-file FNAME file to read grammar from\n"); - fprintf(stdout, " --cfg-negative-prompt PROMPT\n"); - fprintf(stdout, " negative prompt to use for guidance. (default: empty)\n"); - fprintf(stdout, " --cfg-negative-prompt-file FNAME\n"); - fprintf(stdout, " negative prompt file to use for guidance. (default: empty)\n"); - fprintf(stdout, " --cfg-scale N strength of guidance (default: %f, 1.0 = disable)\n", params.cfg_scale); - fprintf(stdout, " --rope-scale N RoPE context linear scaling factor, inverse of --rope-freq-scale (default: %g)\n", 1.0f/params.rope_freq_scale); - fprintf(stdout, " --rope-freq-base N RoPE base frequency, used by NTK-aware scaling (default: %.1f)\n", params.rope_freq_base); - fprintf(stdout, " --rope-freq-scale N RoPE frequency linear scaling factor, inverse of --rope-scale (default: %g)\n", params.rope_freq_scale); - fprintf(stdout, " --ignore-eos ignore end of stream token and continue generating (implies --logit-bias 2-inf)\n"); - fprintf(stdout, " --no-penalize-nl do not penalize newline token\n"); - fprintf(stdout, " --memory-f32 use f32 instead of f16 for memory key+value (default: disabled)\n"); - fprintf(stdout, " not recommended: doubles context memory required and no measurable increase in quality\n"); - fprintf(stdout, " --temp N temperature (default: %.1f)\n", (double)params.temp); - fprintf(stdout, " --perplexity compute perplexity over each ctx window of the prompt\n"); - fprintf(stdout, " --hellaswag compute HellaSwag score over random tasks from datafile supplied with -f\n"); - fprintf(stdout, " --hellaswag-tasks N number of tasks to use when computing the HellaSwag score (default: %zu)\n", params.hellaswag_tasks); - fprintf(stdout, " --keep N number of tokens to keep from the initial prompt (default: %d, -1 = all)\n", params.n_keep); - fprintf(stdout, " --chunks N max number of chunks to process (default: %d, -1 = all)\n", params.n_chunks); - if (llama_mlock_supported()) { - fprintf(stdout, " --mlock force system to keep model in RAM rather than swapping or compressing\n"); - } - if (llama_mmap_supported()) { - fprintf(stdout, " --no-mmap do not memory-map model (slower load but may reduce pageouts if not using mlock)\n"); - } - fprintf(stdout, " --numa attempt optimizations that help on some NUMA systems\n"); - fprintf(stdout, " if run without this previously, it is recommended to drop the system page cache before using this\n"); - fprintf(stdout, " see https://github.com/ggerganov/llama.cpp/issues/1437\n"); -#ifdef LLAMA_SUPPORTS_GPU_OFFLOAD - fprintf(stdout, " -ngl N, --n-gpu-layers N\n"); - fprintf(stdout, " number of layers to store in VRAM\n"); - fprintf(stdout, " -ts SPLIT --tensor-split SPLIT\n"); - fprintf(stdout, " how to split tensors across multiple GPUs, comma-separated list of proportions, e.g. 3,1\n"); - fprintf(stdout, " -mg i, --main-gpu i the GPU to use for scratch and small tensors\n" ); - fprintf(stdout, " -lv, --low-vram don't allocate VRAM scratch buffer\n" ); - fprintf(stdout, " -mmq, --mul-mat-q use experimental mul_mat_q CUDA kernels instead of cuBLAS. TEMP!!!\n" ); - fprintf(stdout, " Reduces VRAM usage by 700/970/1430 MiB for 7b/13b/33b but prompt processing speed\n" ); - fprintf(stdout, " is still suboptimal, especially q2_K, q3_K, q5_K, and q6_K.\n" ); -#endif - fprintf(stdout, " --mtest compute maximum memory usage\n"); - fprintf(stdout, " --export export the computation graph to 'llama.ggml'\n"); - fprintf(stdout, " --verbose-prompt print prompt before generation\n"); - fprintf(stderr, " --simple-io use basic IO for better compatibility in subprocesses and limited consoles\n"); - fprintf(stdout, " --lora FNAME apply LoRA adapter (implies --no-mmap)\n"); - fprintf(stdout, " --lora-base FNAME optional model to use as a base for the layers modified by the LoRA adapter\n"); - fprintf(stdout, " -m FNAME, --model FNAME\n"); - fprintf(stdout, " model path (default: %s)\n", params.model.c_str()); - fprintf(stdout, "\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); - const int n = llama_tokenize(ctx, text.c_str(), res.data(), res.size(), add_bos); - assert(n >= 0); - res.resize(n); - - return res; -} - -struct llama_context_params llama_context_params_from_gpt_params(const gpt_params & params) { - auto lparams = llama_context_default_params(); - - lparams.n_ctx = params.n_ctx; - lparams.n_batch = params.n_batch; - lparams.n_gqa = params.n_gqa; - lparams.rms_norm_eps = params.rms_norm_eps; - lparams.n_gpu_layers = params.n_gpu_layers; - lparams.main_gpu = params.main_gpu; - lparams.tensor_split = params.tensor_split; - lparams.low_vram = params.low_vram; - lparams.mul_mat_q = params.mul_mat_q; - lparams.seed = params.seed; - lparams.f16_kv = params.memory_f16; - lparams.use_mmap = params.use_mmap; - lparams.use_mlock = params.use_mlock; - lparams.logits_all = params.perplexity; - lparams.embedding = params.embedding; - lparams.rope_freq_base = params.rope_freq_base; - lparams.rope_freq_scale = params.rope_freq_scale; - - return lparams; -} - -std::tuple<struct llama_model *, struct llama_context *> llama_init_from_gpt_params(const gpt_params & params) { - auto lparams = llama_context_params_from_gpt_params(params); - - llama_model * model = llama_load_model_from_file(params.model.c_str(), lparams); - if (model == NULL) { - fprintf(stderr, "%s: error: failed to load model '%s'\n", __func__, params.model.c_str()); - return std::make_tuple(nullptr, nullptr); - } - - llama_context * lctx = llama_new_context_with_model(model, lparams); - if (lctx == NULL) { - fprintf(stderr, "%s: error: failed to create context with model '%s'\n", __func__, params.model.c_str()); - llama_free_model(model); - return std::make_tuple(nullptr, nullptr); - } - - if (!params.lora_adapter.empty()) { - int err = llama_model_apply_lora_from_file(model, - params.lora_adapter.c_str(), - params.lora_base.empty() ? NULL : params.lora_base.c_str(), - params.n_threads); - if (err != 0) { - fprintf(stderr, "%s: error: failed to apply lora adapter\n", __func__); - llama_free(lctx); - llama_free_model(model); - return std::make_tuple(nullptr, nullptr); - } - } - - return std::make_tuple(model, lctx); -} |