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ik_llama.cpp/examples/sweep-bench/sweep-bench.cpp
T

453 lines
15 KiB
C++

#include "ggml.h"
#include "llama.h"
#include "common.h"
#include "speculative.h"
#include "llama-vocab.h"
#ifdef GGML_USE_CUDA
#include "ggml-cuda.h"
#endif
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#ifndef NOMINMAX
# define NOMINMAX
#endif
#include <windows.h>
#else
#include <sys/resource.h>
#endif
#include <algorithm>
#include <cstdlib>
#include <cstdio>
#include <cstring>
#include <string>
#include <vector>
static double get_rss_hwm_mib() {
#ifdef _WIN32
return -1.0;
#else
struct rusage usage;
if (getrusage(RUSAGE_SELF, &usage) != 0) {
return -1.0;
}
#ifdef __APPLE__
return usage.ru_maxrss / (1024.0 * 1024.0);
#else
return usage.ru_maxrss / 1024.0;
#endif
#endif
}
struct sweep_vram_tracker {
std::vector<size_t> baseline;
void start() {
#ifdef GGML_USE_CUDA
const int count = ggml_backend_cuda_get_device_count();
baseline.resize(count);
for (int device = 0; device < count; ++device) {
size_t free;
size_t total;
ggml_backend_cuda_get_device_memory(device, &free, &total);
baseline[device] = free;
}
#endif
}
double sample() {
#ifdef GGML_USE_CUDA
if (baseline.empty()) {
return -1.0;
}
size_t used = 0;
for (int device = 0; device < (int) baseline.size(); ++device) {
size_t free;
size_t total;
ggml_backend_cuda_get_device_memory(device, &free, &total);
used += baseline[device] > free ? baseline[device] - free : 0;
}
return used / (1024.0 * 1024.0);
#else
return -1.0;
#endif
}
};
static std::string format_mib(double value, int precision, const char * missing) {
if (value < 0.0) {
return missing;
}
char buffer[32];
snprintf(buffer, sizeof(buffer), "%.*f", precision, value);
return buffer;
}
static void llama_selective_log_callback(ggml_log_level level, const char * text, void * user_data) {
(void) level;
(void) user_data;
const char * skip_patterns[] = {
"Setting default device in layer",
"llama_model_loader: Dumping metadata",
"llama_model_loader: - kv ",
"llama_model_loader: - type ",
"validate_override:",
"load: printing all EOG",
"load: - ",
"load: special tokens cache",
"load: token to piece cache",
"llm_load_print_meta:",
"print_info:",
"------------------- Layer sizes",
"Layer ",
"llm_load_tensors:",
"==========================",
"merging up/gate in layer",
"repacking up/gate experts weight in layer",
};
for (const char * pat : skip_patterns) {
if (strstr(text, pat) != nullptr) {
return;
}
}
// Skip incomplete/continuation lines
int i = 0;
while (text[i] == ' ' || text[i] == '\t') {
i++;
}
if (text[i] == ',' || text[i] == '(' || text[i] == ')'|| (text[i] >= '0' && text[i] <= '9')) {
return;
}
LOG_TEE("%s", text);
}
static void print_usage(int argc, char ** argv) {
gpt_params params;
params.sweep_bench = true;
gpt_params_print_usage(argc, argv, params);
LOG_TEE("\nsweep-bench specific options:\n\n");
LOG_TEE(" -nrep, --n-repetitions N number of repetitions for each context size (default: 1)\n");
LOG_TEE(" --sweep-stride N measure every Nth sweep row (default: 1)\n");
LOG_TEE(" --sweep-memory report RSS high-water and sampled VRAM delta\n");
LOG_TEE(" -wb, --warmup-batch run a warmup batch before measurement\n");
LOG_TEE(" --output-format FORMAT output format: table (default) or jsonl\n");
LOG_TEE("\nexample usage:\n");
LOG_TEE("\n %s -m model.gguf -c 8192 -b 2048 -ub 512\n", argv[0]);
LOG_TEE("\n");
}
int main(int argc, char ** argv) {
gpt_params params;
params.sweep_bench = true;
if (!gpt_params_parse(argc, argv, params)) {
print_usage(argc, argv);
return 1;
}
if (params.nrep < 1) params.nrep = 1;
if (params.sweep_stride < 1) params.sweep_stride = 1;
if (params.minilog) {
llama_log_set(llama_selective_log_callback, nullptr);
}
// init LLM
llama_backend_init();
llama_numa_init(params.numa);
sweep_vram_tracker vram_tracker;
if (params.sweep_memory) {
vram_tracker.start();
}
// initialize the model
llama_model_params model_params = common_model_params_to_llama(params);
llama_model * model = llama_model_load_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 = common_context_params_to_llama(params);
llama_context * ctx = llama_init_from_model(model, ctx_params);
if (ctx == NULL) {
fprintf(stderr , "%s: error: failed to create the llama_context\n" , __func__);
return 1;
}
const bool use_checkpoint = common_speculative_needs_checkpoint(model);
const unsigned int n_kv_max = llama_n_ctx(ctx);
const llama_vocab * vocab = llama_get_vocab(ctx);
llama_token bos = vocab->token_bos();
//llama_token eos = llama_token_eos_impl(*vocab);
const unsigned int n_vocab = llama_n_vocab(model);
// 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.n_seq_id + i,
batch.seq_id + i,
batch.logits + i,
};
const int ret = llama_decode(ctx, batch_view);
if (ret != 0) {
LOG_TEE("failed to decode the batch, n_batch = %d, ret = %d\n", n_batch, ret);
return false;
}
llama_synchronize(ctx);
}
return true;
};
const unsigned int pp = params.n_ubatch;
const unsigned int tg = params.n_predict > 0 ? params.n_predict : params.n_ubatch / 4;
if (!params.sweep_bench_output_jsonl) {
LOG_TEE("\n");
LOG_TEE("%s: n_kv_max = %d, n_batch = %d, n_ubatch = %d, flash_attn = %d, n_gpu_layers = %d, n_threads = %u, n_threads_batch = %u\n", __func__, n_kv_max, params.n_batch, params.n_ubatch, params.flash_attn, params.n_gpu_layers, ctx_params.n_threads, ctx_params.n_threads_batch);
LOG_TEE("\n");
if (params.sweep_memory) {
LOG_TEE("|%6s | %6s | %6s | %8s | %8s | %8s | %8s | %10s | %10s |\n", "PP", "TG", "N_KV", "T_PP s", "S_PP t/s", "T_TG s", "S_TG t/s", "RSS HWM", "VRAM delta");
LOG_TEE("|%6s-|-%6s-|-%6s-|-%8s-|-%8s-|-%8s-|-%8s-|-%10s-|-%10s-|\n", "------", "------", "------", "--------", "--------", "--------", "--------", "----------", "----------");
} else {
LOG_TEE("|%6s | %6s | %6s | %8s | %8s | %8s | %8s |\n", "PP", "TG", "N_KV", "T_PP s", "S_PP t/s", "T_TG s", "S_TG t/s");
LOG_TEE("|%6s-|-%6s-|-%6s-|-%8s-|-%8s-|-%8s-|-%8s-|\n", "------", "------", "------", "--------", "--------", "--------", "--------");
}
}
llama_batch batch = llama_batch_init(n_kv_max, 0, 1);
auto pp_helper = [&](unsigned int n_kv) {
common_batch_clear(batch);
for (unsigned int i = 0; i < pp; ++i) {
common_batch_add(batch, std::rand() % n_vocab, n_kv + i, { 0 }, false);
}
batch.logits[batch.n_tokens - 1] = true;
return decode_helper(ctx, batch, ctx_params.n_batch);
};
// warm up
if (params.warmup) {
common_batch_add(batch, bos, 0, { 0 }, false);
if (!decode_helper(ctx, batch, ctx_params.n_batch)) {
LOG_TEE("%s: llama_decode() failed\n", __func__);
return 1;
}
}
if (params.batch_warmup) {
// clean up KV cache after generation
llama_kv_cache_seq_rm(ctx, 0, params.n_ubatch, -1);
// prepare batch of pp size for prompt processing performance measurement
common_batch_clear(batch);
for (unsigned int i = 0; i < params.n_ubatch; ++i) {
common_batch_add(batch, std::rand() % n_vocab, i, { 0 }, false);
}
if (!decode_helper(ctx, batch, ctx_params.n_ubatch)) {
LOG_TEE("%s: llama_decode() failed\n", __func__);
return 1;
}
}
common_batch_clear(batch);
llama_kv_cache_clear(ctx);
llama_reset_timings(ctx);
int i_loop = 0;
std::vector<uint8_t> checkpoint_data;
for (unsigned int n_kv = 0; n_kv < n_kv_max; n_kv += params.n_ubatch) {
// clean up KV cache before generation
//llama_kv_cache_seq_rm(ctx, 0, n_kv, -1);
const bool measure = i_loop % params.sweep_stride == 0;
int nrep = measure && i_loop < 1 ? params.nrep : 1;
size_t checkpoint_size = 0;
if (use_checkpoint && measure && n_kv > 0) {
const size_t need = llama_state_seq_get_size(ctx, 0, 0);
checkpoint_data.resize(need);
checkpoint_size = llama_state_seq_get_data(ctx, checkpoint_data.data(), need, 0, 0);
if (checkpoint_size == 0) {
LOG_TEE("%s: failed to checkpoint sequence at %u\n", __func__, n_kv);
return 1;
}
checkpoint_data.resize(checkpoint_size);
}
// first measure token generation performance at this context size
int64_t t_tg_start = 0;
int64_t t_tg_end = 0;
if (measure) {
t_tg_start = ggml_time_us();
//fprintf(stderr, "======================================== tg_start for n_kv = %u\n", n_kv);
//printf("======================================== tg_start for n_kv = %u\n", n_kv);
for (int irep = 0; irep < nrep; ++irep) {
if (use_checkpoint) {
if (n_kv == 0) {
llama_kv_cache_clear(ctx);
}
} else {
llama_kv_cache_seq_rm(ctx, 0, n_kv, -1);
}
for (unsigned int i = 0; i < tg; ++i) {
common_batch_clear(batch);
common_batch_add(batch, std::rand() % n_vocab, n_kv + i, { 0 }, true);
if (!decode_helper(ctx, batch, ctx_params.n_batch)) {
LOG_TEE("%s: llama_decode() failed\n", __func__);
return 1;
}
}
}
//fprintf(stderr, "======================================== tg_end for n_kv = %u\n", n_kv);
//printf("======================================== tg_end for n_kv = %u\n", n_kv);
t_tg_end = ggml_time_us();
} else {
// keep the token stream aligned with a stride-1 sweep
for (unsigned int i = 0; i < tg; ++i) {
(void) std::rand();
}
}
if (use_checkpoint && measure) {
if (n_kv > 0) {
const size_t n = llama_state_seq_set_data(ctx, checkpoint_data.data(), checkpoint_data.size(), 0, 0);
if (n != checkpoint_size) {
LOG_TEE("%s: failed to restore sequence (expected %zu bytes, got %zu)\n", __func__, checkpoint_size, n);
return 1;
}
} else {
llama_kv_cache_clear(ctx);
}
}
// measure prompt processing performance
int64_t t_pp_start = 0;
int64_t t_pp_end = 0;
if (measure) {
t_pp_start = ggml_time_us();
for (int irep = 0; irep < nrep; ++irep) {
if (use_checkpoint) {
if (n_kv == 0) {
llama_kv_cache_clear(ctx);
}
} else {
if (!llama_kv_cache_seq_rm(ctx, 0, n_kv, -1)) {
LOG_TEE("%s: failed to rewind sequence to %u\n", __func__, n_kv);
return 1;
}
}
if (!pp_helper(n_kv)) {
LOG_TEE("%s: llama_decode() failed\n", __func__);
return 1;
}
}
t_pp_end = ggml_time_us();
} else {
if (!pp_helper(n_kv)) {
LOG_TEE("%s: llama_decode() failed\n", __func__);
return 1;
}
}
if (!measure) {
++i_loop;
continue;
}
// calculate and print metrics
const float t_pp = (t_pp_end - t_pp_start) / 1000000.0f / nrep;
const float t_tg = (t_tg_end - t_tg_start) / 1000000.0f / nrep;
const float speed_pp = pp / t_pp;
const float speed_tg = tg / t_tg;
double rss_hwm_mib = -1.0;
double vram_delta_mib = -1.0;
if (params.sweep_memory) {
rss_hwm_mib = get_rss_hwm_mib();
vram_delta_mib = vram_tracker.sample();
}
if(params.sweep_bench_output_jsonl) {
if (params.sweep_memory) {
const std::string rss_json = format_mib(rss_hwm_mib, 3, "null");
const std::string vram_json = format_mib(vram_delta_mib, 3, "null");
LOG_TEE(
"{\"n_kv_max\": %d, \"n_batch\": %d, \"n_ubatch\": %d, \"flash_attn\": %d, \"n_gpu_layers\": %d, \"n_threads\": %u, \"n_threads_batch\": %u, "
"\"pp\": %d, \"tg\": %d, \"n_kv\": %d, \"t_pp\": %f, \"speed_pp\": %f, \"t_tg\": %f, \"speed_tg\": %f, \"rss_hwm_mib\": %s, \"vram_delta_mib\": %s }\n",
n_kv_max, params.n_batch, params.n_ubatch, params.flash_attn, params.n_gpu_layers, ctx_params.n_threads, ctx_params.n_threads_batch,
pp, tg, n_kv, t_pp, speed_pp, t_tg, speed_tg, rss_json.c_str(), vram_json.c_str()
);
} else {
LOG_TEE(
"{\"n_kv_max\": %d, \"n_batch\": %d, \"n_ubatch\": %d, \"flash_attn\": %d, \"n_gpu_layers\": %d, \"n_threads\": %u, \"n_threads_batch\": %u, "
"\"pp\": %d, \"tg\": %d, \"n_kv\": %d, \"t_pp\": %f, \"speed_pp\": %f, \"t_tg\": %f, \"speed_tg\": %f }\n",
n_kv_max, params.n_batch, params.n_ubatch, params.flash_attn, params.n_gpu_layers, ctx_params.n_threads, ctx_params.n_threads_batch,
pp, tg, n_kv, t_pp, speed_pp, t_tg, speed_tg
);
}
} else {
if (params.sweep_memory) {
const std::string rss = format_mib(rss_hwm_mib, 1, "n/a");
const std::string vram = format_mib(vram_delta_mib, 1, "n/a");
LOG_TEE("|%6d | %6d | %6d | %8.3f | %8.2f | %8.3f | %8.2f | %10s | %10s |\n", pp, tg, n_kv, t_pp, speed_pp, t_tg, speed_tg, rss.c_str(), vram.c_str());
} else {
LOG_TEE("|%6d | %6d | %6d | %8.3f | %8.2f | %8.3f | %8.2f |\n", pp, tg, n_kv, t_pp, speed_pp, t_tg, speed_tg);
}
}
++i_loop;
}
llama_print_timings(ctx);
llama_batch_free(batch);
llama_free(ctx);
llama_free_model(model);
llama_backend_free();
return 0;
}