spdlog/bench/bench.cpp
2019-07-05 13:39:19 +03:00

193 lines
7.1 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"
#include "utils.h"
#include <atomic>
#include <cstdlib> // EXIT_FAILURE
#include <memory>
#include <string>
#include <thread>
using namespace std;
using namespace std::chrono;
using namespace spdlog;
using namespace spdlog::sinks;
using namespace utils;
void bench(int howmany, std::shared_ptr<spdlog::logger> log);
void bench_mt(int howmany, std::shared_ptr<spdlog::logger> log, int 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);
int main(int argc, char *argv[])
{
spdlog::default_logger()->set_pattern("[%^%l%$] %v");
int howmany = 1000000;
int threads = 10;
size_t file_size = 30 * 1024 * 1024;
size_t rotating_files = 5;
try
{
if (argc > 1)
howmany = atoi(argv[1]);
if (argc > 2)
threads = atoi(argv[2]);
spdlog::info("**************************************************************");
spdlog::info("Single thread, {:n} iterations", howmany);
spdlog::info("**************************************************************");
auto basic_st = spdlog::basic_logger_st("basic_st", "logs/basic_st.log", true);
bench(howmany, std::move(basic_st));
basic_st.reset();
auto rotating_st = spdlog::rotating_logger_st("rotating_st", "logs/rotating_st.log", file_size, rotating_files);
bench(howmany, std::move(rotating_st));
auto daily_st = spdlog::daily_logger_st("daily_st", "logs/daily_st.log");
bench(howmany, std::move(daily_st));
bench(howmany, spdlog::create<null_sink_st>("null_st"));
auto empty_logger = std::make_shared<spdlog::logger>("level-off");
empty_logger->set_level(spdlog::level::off);
bench(howmany, empty_logger);
/*
spdlog::info("**************************************************************");
spdlog::info("C-string (400 bytes). Single thread, {:n} iterations", howmany);
spdlog::info("**************************************************************");
basic_st = spdlog::basic_logger_st("basic_st", "logs/basic_cs.log", true);
bench_c_string(howmany, std::move(basic_st));
rotating_st = spdlog::rotating_logger_st("rotating_st", "logs/rotating_cs.log", file_size, rotating_files);
bench_c_string(howmany, std::move(rotating_st));
daily_st = spdlog::daily_logger_st("daily_st", "logs/daily_cs.log");
bench_c_string(howmany, std::move(daily_st));
bench_c_string(howmany, spdlog::create<null_sink_st>("null_st"));
*/
spdlog::info("**************************************************************");
spdlog::info("{:n} threads sharing same logger, {:n} iterations", threads, howmany);
spdlog::info("**************************************************************");
auto basic_mt = spdlog::basic_logger_mt("basic_mt", "logs/basic_mt.log", true);
bench_mt(howmany, std::move(basic_mt), threads);
auto rotating_mt = spdlog::rotating_logger_mt("rotating_mt", "logs/rotating_mt.log", file_size, rotating_files);
bench_mt(howmany, std::move(rotating_mt), threads);
auto daily_mt = spdlog::daily_logger_mt("daily_mt", "logs/daily_mt.log");
bench_mt(howmany, std::move(daily_mt), threads);
bench_mt(howmany, spdlog::create<null_sink_mt>("null_mt"), threads);
bench(howmany, empty_logger);
}
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::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("{:<16} Elapsed: {:0.2f} secs {:>16n}/sec", log->name(), delta_d, int(howmany / delta_d));
spdlog::drop(log->name());
}
void bench_mt(int howmany, std::shared_ptr<spdlog::logger> log, int thread_count)
{
using std::chrono::high_resolution_clock;
vector<thread> threads;
auto start = high_resolution_clock::now();
for (int t = 0; t < thread_count; ++t)
{
threads.push_back(std::thread([&]() {
for (int j = 0; j < howmany / 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("{:<16} Elapsed: {:0.2f} secs {:>16n}/sec", log->name(), delta_d, int(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;
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("{:<16} Elapsed: {:0.2f} secs {:>16n}/sec", log->name(), delta_d, int(howmany / delta_d));
}
void bench_c_string(int howmany, std::shared_ptr<spdlog::logger> log)
{
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.";
using std::chrono::high_resolution_clock;
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(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("{:<16} Elapsed: {:0.2f} secs {:>16n}/sec", log->name(), delta_d, int(howmany / delta_d));
}