From bf06d654debb7d82d529656ac44ff3ef470618c7 Mon Sep 17 00:00:00 2001 From: Georgi Gerganov Date: Sun, 8 Oct 2023 15:57:16 +0300 Subject: [PATCH] batched : add bench tool --- examples/CMakeLists.txt | 1 + examples/batched-bench/CMakeLists.txt | 5 + examples/batched-bench/batched-bench.cpp | 198 +++++++++++++++++++++++ examples/batched/batched.cpp | 2 +- 4 files changed, 205 insertions(+), 1 deletion(-) create mode 100644 examples/batched-bench/CMakeLists.txt create mode 100644 examples/batched-bench/batched-bench.cpp diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt index de4cf7a69..ab8459370 100644 --- a/examples/CMakeLists.txt +++ b/examples/CMakeLists.txt @@ -25,6 +25,7 @@ else() add_subdirectory(convert-llama2c-to-ggml) add_subdirectory(simple) add_subdirectory(batched) + add_subdirectory(batched-bench) add_subdirectory(speculative) add_subdirectory(parallel) add_subdirectory(embd-input) diff --git a/examples/batched-bench/CMakeLists.txt b/examples/batched-bench/CMakeLists.txt new file mode 100644 index 000000000..40a032c51 --- /dev/null +++ b/examples/batched-bench/CMakeLists.txt @@ -0,0 +1,5 @@ +set(TARGET batched-bench) +add_executable(${TARGET} batched-bench.cpp) +install(TARGETS ${TARGET} RUNTIME) +target_link_libraries(${TARGET} PRIVATE common llama ${CMAKE_THREAD_LIBS_INIT}) +target_compile_features(${TARGET} PRIVATE cxx_std_11) diff --git a/examples/batched-bench/batched-bench.cpp b/examples/batched-bench/batched-bench.cpp new file mode 100644 index 000000000..f882253a0 --- /dev/null +++ b/examples/batched-bench/batched-bench.cpp @@ -0,0 +1,198 @@ +#include "common.h" +#include "llama.h" + +#include +#include +#include +#include +#include + +int main(int argc, char ** argv) { + gpt_params params; + + if (argc == 1 || argv[1][0] == '-') { + printf("usage: %s MODEL_PATH [IS_PP_SHARED] [NGL]\n" , argv[0]); + return 1 ; + } + + int is_pp_shared = 0; + int n_gpu_layers = 0; + + std::vector n_pp = { 128, 256, 512, 1024, 2048, 3584, 7680, }; + std::vector n_tg = { 128, 256, 512, }; + std::vector n_pl = { 1, 2, 4, 8, 16, 32, }; + //std::vector n_pl = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 32, }; + + const int32_t n_ctx_max = 16*1024; + + if (argc >= 2) { + params.model = argv[1]; + } + + if (argc >= 3) { + is_pp_shared = std::atoi(argv[2]); + } + + if (argc >= 4) { + n_gpu_layers = std::atoi(argv[3]); + } + + // init LLM + + llama_backend_init(params.numa); + + // initialize the model + + llama_model_params model_params = llama_model_default_params(); + + model_params.n_gpu_layers = n_gpu_layers; + + llama_model * model = llama_load_model_from_file(params.model.c_str(), model_params); + + if (model == NULL) { + fprintf(stderr , "%s: error: unable to load model\n" , __func__); + return 1; + } + + llama_context_params ctx_params = llama_context_default_params(); + + ctx_params.seed = 1234; + ctx_params.n_ctx = n_ctx_max; + ctx_params.n_batch = 512; + ctx_params.n_threads = params.n_threads; + ctx_params.n_threads_batch = params.n_threads_batch == -1 ? params.n_threads : params.n_threads_batch; + + llama_context * ctx = llama_new_context_with_model(model, ctx_params); + + if (ctx == NULL) { + fprintf(stderr , "%s: error: failed to create the llama_context\n" , __func__); + return 1; + } + + llama_batch batch = llama_batch_init(n_ctx_max, 0); + + // decode in batches of ctx_params.n_batch tokens + auto decode_helper = [](llama_context * ctx, llama_batch & batch, int32_t n_batch) { + for (int32_t i = 0; i < (int32_t) batch.n_tokens; i += n_batch) { + const int32_t n_tokens = std::min(n_batch, (int32_t) (batch.n_tokens - i)); + + llama_batch batch_view = { + n_tokens, + batch.token + i, + nullptr, + batch.pos + i, + batch.seq_id + i, + batch.logits + i, + 0, 0, 0, // unused + }; + + const int ret = llama_decode(ctx, batch_view); + if (ret != 0) { + LOG_TEE("%s : failed to decode the batch, n_batch = %d, ret = %d\n", __func__, n_batch, ret); + return false; + } + } + + return true; + }; + + // warm up + { + batch.n_tokens = 16; + if (!decode_helper(ctx, batch, ctx_params.n_batch)) { + LOG_TEE("%s: llama_decode() failed\n", __func__); + return 1; + } + } + + LOG_TEE("|%6s | %6s | %4s | %6s | %8s | %8s | %8s | %8s | %8s | %8s |\n", "PP", "TG", "B", "N_KV", "T_PP s", "S_PP t/s", "T_TG s", "S_TG t/s", "T s", "S t/s"); + LOG_TEE("|%6s-+-%6s-+-%4s-+-%6s-+-%8s-+-%8s-+-%8s-+-%8s-+-%8s-+-%8s-|\n", "------", "------", "----", "--------", "--------", "--------", "--------", "--------", "--------", "--------"); + + for ( int i_pp = 0; i_pp < (int) n_pp.size(); ++i_pp) { + for ( int i_tg = 0; i_tg < (int) n_tg.size(); ++i_tg) { + for (int i_pl = 0; i_pl < (int) n_pl.size(); ++i_pl) { + const int pp = n_pp[i_pp]; + const int tg = n_tg[i_tg]; + const int pl = n_pl[i_pl]; + + const int n_ctx_req = is_pp_shared ? pp + pl*tg : pl*(pp + tg); + + if (n_ctx_req > n_ctx_max) { + continue; + } + + batch.n_tokens = is_pp_shared ? pp : pl*pp; + + for (int i = 0; i < batch.n_tokens; ++i) { + batch.token[i] = 0; + batch.pos[i] = i; + batch.seq_id[i] = 0; + batch.logits[i] = false; + } + batch.logits[batch.n_tokens - 1] = true; + + const auto t_pp_start = ggml_time_us(); + + llama_kv_cache_tokens_rm(ctx, -1, -1); + + if (!decode_helper(ctx, batch, ctx_params.n_batch)) { + LOG_TEE("%s: llama_decode() failed\n", __func__); + return 1; + } + + if (is_pp_shared) { + for (int32_t i = 1; i < pl; ++i) { + llama_kv_cache_seq_cp(ctx, 0, i, 0, pp); + } + } + + const auto t_pp_end = ggml_time_us(); + + const auto t_tg_start = ggml_time_us(); + + for (int i = 0; i < tg; ++i) { + batch.n_tokens = pl; + + for (int j = 0; j < pl; ++j) { + batch.token[j] = 0; + batch.pos[j] = pp + i; + batch.seq_id[j] = j; + batch.logits[j] = true; + } + + if (!decode_helper(ctx, batch, ctx_params.n_batch)) { + LOG_TEE("%s: llama_decode() failed\n", __func__); + return 1; + } + } + + const auto t_tg_end = ggml_time_us(); + + const int32_t n_kv = n_ctx_req; + + const float t_pp = (t_pp_end - t_pp_start) / 1000000.0f; + const float t_tg = (t_tg_end - t_tg_start) / 1000000.0f; + const float t = t_pp + t_tg; + + const float speed_pp = is_pp_shared ? pp / t_pp : pl*pp / t_pp; + const float speed_tg = pl*tg / t_tg; + const float speed = n_kv / t; + + LOG_TEE("|%6d | %6d | %4d | %6d | %8.3f | %8.2f | %8.3f | %8.2f | %8.3f | %8.2f |\n", pp, tg, pl, n_kv, t_pp, speed_pp, t_tg, speed_tg, t, speed); + } + } + } + + llama_print_timings(ctx); + + llama_batch_free(batch); + + llama_free(ctx); + llama_free_model(model); + + llama_backend_free(); + + fprintf(stderr, "\n\n"); + + return 0; +} diff --git a/examples/batched/batched.cpp b/examples/batched/batched.cpp index 688ef2213..a88e022d6 100644 --- a/examples/batched/batched.cpp +++ b/examples/batched/batched.cpp @@ -66,7 +66,7 @@ int main(int argc, char ** argv) { ctx_params.seed = 1234; ctx_params.n_ctx = n_kv_req; ctx_params.n_batch = std::max(n_len, n_parallel); - ctx_params.n_threads = params.n_threads; + ctx_params.n_threads = params.n_threads; ctx_params.n_threads_batch = params.n_threads_batch == -1 ? params.n_threads : params.n_threads_batch; llama_context * ctx = llama_new_context_with_model(model, ctx_params);