spdlog/bench/bench.cpp
2023-09-25 16:40:05 +03:00

215 lines
7.6 KiB
C++

//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
//
// bench.cpp : spdlog benchmarks
//
#include "spdlog/spdlog.h"
#include "spdlog/sinks/basic_file_sink.h"
#include "spdlog/sinks/daily_file_sink.h"
#include "spdlog/sinks/null_sink.h"
#include "spdlog/sinks/rotating_file_sink.h"
#if defined(SPDLOG_USE_STD_FORMAT)
#include <format>
#elif defined(SPDLOG_FMT_EXTERNAL)
#include <fmt/format.h>
#else
#include "spdlog/fmt/bundled/format.h"
#endif
#include "utils.h"
#include <atomic>
#include <cstdlib> // EXIT_FAILURE
#include <memory>
#include <string>
#include <thread>
void bench(int howmany, std::shared_ptr<spdlog::logger> log);
void bench_mt(int howmany, std::shared_ptr<spdlog::logger> log, size_t thread_count);
// void bench_default_api(int howmany, std::shared_ptr<spdlog::logger> log);
// void bench_c_string(int howmany, std::shared_ptr<spdlog::logger> log);
static const size_t file_size = 30 * 1024 * 1024;
static const size_t rotating_files = 5;
static const int max_threads = 1000;
void bench_threaded_logging(size_t threads, int iters) {
spdlog::info("**************************************************************");
spdlog::info(spdlog::fmt_lib::format(
std::locale("en_US.UTF-8"), "Multi threaded: {:L} threads, {:L} messages", threads, iters));
spdlog::info("**************************************************************");
auto basic_mt = spdlog::basic_logger_mt("basic_mt", "logs/basic_mt.log", true);
bench_mt(iters, std::move(basic_mt), threads);
spdlog::info("");
auto rotating_mt = spdlog::rotating_logger_mt("rotating_mt", "logs/rotating_mt.log", file_size,
rotating_files);
bench_mt(iters, std::move(rotating_mt), threads);
spdlog::info("");
auto daily_mt = spdlog::daily_logger_mt("daily_mt", "logs/daily_mt.log");
bench_mt(iters, std::move(daily_mt), threads);
spdlog::info("");
auto empty_logger = std::make_shared<spdlog::logger>("level-off");
empty_logger->set_level(spdlog::level::off);
bench(iters, empty_logger);
}
void bench_single_threaded(int iters) {
spdlog::info("**************************************************************");
spdlog::info(
spdlog::fmt_lib::format(std::locale("en_US.UTF-8"), "Single threaded: {} messages", iters));
spdlog::info("**************************************************************");
auto basic_st = spdlog::basic_logger_st("basic_st", "logs/basic_st.log", true);
bench(iters, std::move(basic_st));
spdlog::info("");
auto rotating_st = spdlog::rotating_logger_st("rotating_st", "logs/rotating_st.log", file_size,
rotating_files);
bench(iters, std::move(rotating_st));
spdlog::info("");
auto daily_st = spdlog::daily_logger_st("daily_st", "logs/daily_st.log");
bench(iters, std::move(daily_st));
spdlog::info("");
auto empty_logger = std::make_shared<spdlog::logger>("level-off");
empty_logger->set_level(spdlog::level::off);
bench(iters, empty_logger);
}
int main(int argc, char *argv[]) {
spdlog::set_automatic_registration(false);
spdlog::default_logger()->set_pattern("[%^%l%$] %v");
int iters = 250000;
size_t threads = 4;
try {
if (argc > 1) {
iters = std::stoi(argv[1]);
}
if (argc > 2) {
threads = std::stoul(argv[2]);
}
if (threads > max_threads) {
throw std::runtime_error(
spdlog::fmt_lib::format("Number of threads exceeds maximum({})", max_threads));
}
bench_single_threaded(iters);
bench_threaded_logging(1, iters);
bench_threaded_logging(threads, iters);
} catch (std::exception &ex) {
spdlog::error(ex.what());
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
void bench(int howmany, std::shared_ptr<spdlog::logger> log) {
using std::chrono::duration;
using std::chrono::duration_cast;
using std::chrono::high_resolution_clock;
auto start = high_resolution_clock::now();
for (auto i = 0; i < howmany; ++i) {
log->info("Hello logger: msg number {}", i);
}
auto delta = high_resolution_clock::now() - start;
auto delta_d = duration_cast<duration<double>>(delta).count();
spdlog::info(spdlog::fmt_lib::format(std::locale("en_US.UTF-8"),
"{:<30} Elapsed: {:0.2f} secs {:>16L}/sec", log->name(),
delta_d, size_t(howmany / delta_d)));
spdlog::drop(log->name());
}
void bench_mt(int howmany, std::shared_ptr<spdlog::logger> log, size_t thread_count) {
using std::chrono::duration;
using std::chrono::duration_cast;
using std::chrono::high_resolution_clock;
std::vector<std::thread> threads;
threads.reserve(thread_count);
auto start = high_resolution_clock::now();
for (size_t t = 0; t < thread_count; ++t) {
threads.emplace_back([&]() {
for (int j = 0; j < howmany / static_cast<int>(thread_count); j++) {
log->info("Hello logger: msg number {}", j);
}
});
}
for (auto &t : threads) {
t.join();
};
auto delta = high_resolution_clock::now() - start;
auto delta_d = duration_cast<duration<double>>(delta).count();
spdlog::info(spdlog::fmt_lib::format(std::locale("en_US.UTF-8"),
"{:<30} Elapsed: {:0.2f} secs {:>16L}/sec", log->name(),
delta_d, size_t(howmany / delta_d)));
spdlog::drop(log->name());
}
/*
void bench_default_api(int howmany, std::shared_ptr<spdlog::logger> log)
{
using std::chrono::high_resolution_clock;
using std::chrono::duration;
using std::chrono::duration_cast;
auto orig_default = spdlog::default_logger();
spdlog::set_default_logger(log);
auto start = high_resolution_clock::now();
for (auto i = 0; i < howmany; ++i)
{
spdlog::info("Hello logger: msg number {}", i);
}
auto delta = high_resolution_clock::now() - start;
auto delta_d = duration_cast<duration<double>>(delta).count();
spdlog::drop(log->name());
spdlog::set_default_logger(std::move(orig_default));
spdlog::info("{:<30} Elapsed: {:0.2f} secs {:>16}/sec", log->name(), delta_d, int(howmany /
delta_d));
}
void bench_c_string(int howmany, std::shared_ptr<spdlog::logger> log)
{
using std::chrono::high_resolution_clock;
using std::chrono::duration;
using std::chrono::duration_cast;
const char *msg = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum pharetra
metus cursus " "lacus placerat congue. Nulla egestas, mauris a tincidunt tempus, enim lectus
volutpat mi, eu consequat sem " "libero nec massa. In dapibus ipsum a diam rhoncus gravida. Etiam
non dapibus eros. Donec fringilla dui sed " "augue pretium, nec scelerisque est maximus. Nullam
convallis, sem nec blandit maximus, nisi turpis ornare " "nisl, sit amet volutpat neque massa eu
odio. Maecenas malesuada quam ex, posuere congue nibh turpis duis.";
auto orig_default = spdlog::default_logger();
spdlog::set_default_logger(log);
auto start = high_resolution_clock::now();
for (auto i = 0; i < howmany; ++i)
{
spdlog::log(spdlog::level::info, msg);
}
auto delta = high_resolution_clock::now() - start;
auto delta_d = duration_cast<duration<double>>(delta).count();
spdlog::drop(log->name());
spdlog::set_default_logger(std::move(orig_default));
spdlog::info("{:<30} Elapsed: {:0.2f} secs {:>16}/sec", log->name(), delta_d, int(howmany /
delta_d));
}
*/