111 lines
3.4 KiB
C++
111 lines
3.4 KiB
C++
//
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// bench.cpp : spdlog benchmarks
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//
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#include <iostream>
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#include <memory>
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#include <string>
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#include <thread>
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#include <atomic>
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#include "spdlog/spdlog.h"
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#include "spdlog/sinks/file_sinks.h"
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#include "spdlog/sinks/stdout_sinks.h"
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#include "spdlog/sinks/null_sink.h"
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#include "utils.h"
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using namespace std;
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using namespace std::chrono;
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using namespace spdlog;
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using namespace spdlog::sinks;
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using namespace utils;
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void bench(int howmany, std::shared_ptr<spdlog::logger> log)
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{
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cout << log->name() << ", " << format(howmany) << " iterations.." << endl;
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auto start = system_clock::now();
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for (auto i = 0; i < howmany; ++i)
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{
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log->info("Hello logger: msg number ") << i;
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}
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auto delta = system_clock::now() - start;
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auto delta_d = duration_cast<duration<double>> (delta).count();
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cout << "Delta:" << format(delta_d) << " seconds" << endl;
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cout << "Rate:" << format(howmany / delta_d) << "/sec" << endl << endl;
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}
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void bench_mt(int howmany, std::shared_ptr<spdlog::logger> log, int thread_count)
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{
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cout << log->name() << ", " << format(howmany) << " iterations.." << endl;
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std::atomic<int > msg_counter{0};
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vector<thread> threads;
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auto start = system_clock::now();
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for (int t = 0; t < thread_count; ++t)
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{
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threads.push_back(std::thread([&]() {
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while(msg_counter++ < howmany)
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log->info("Hello logger: msg number ") << msg_counter;
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}));
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}
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for(auto &t:threads)
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{
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t.join();
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};
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auto delta = system_clock::now() - start;
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auto delta_d = duration_cast<duration<double>> (delta).count();
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cout << "Delta:" << format(delta_d) << " seconds" << endl;
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cout << "Rate:" << format(howmany / delta_d) << "/sec" << endl << endl;
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}
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int main(int argc, char* argv[])
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{
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try {
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int howmany = argc <= 1 ? 100000 : atoi(argv[1]);
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int threads = argc <= 2 ? 4 : atoi(argv[2]);
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int flush_interval = 100;
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cout << "*******************************************************************************\n";
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cout << "Single threaded benchmarks. flush_interval = " << flush_interval << endl;
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cout << "*******************************************************************************\n";
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auto rotating_st = spdlog::rotating_logger_st("rotating_st", "logs/rotating_st", 1024 * 1024 * 5, 5, flush_interval);
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bench(howmany, rotating_st);
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auto daily_st = spdlog::daily_logger_st("daily_st", "logs/daily_st", flush_interval);
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bench(howmany, daily_st);
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bench(howmany, spdlog::create<null_sink_st>("null_st"));
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cout << "*******************************************************************************\n";
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cout << "Multi threaded benchmarks (" << threads << " threads), flush_interval = " << flush_interval << endl;
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cout << "*******************************************************************************\n";
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auto rotating_mt = spdlog::rotating_logger_mt("rotating_mt", "logs/rotating_mt", 1024 * 1024 * 5, 5, flush_interval);
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bench_mt(howmany, rotating_mt, threads);
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auto daily_mt = spdlog::daily_logger_mt("daily_mt", "logs/daily_mt", flush_interval);
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bench_mt(howmany, daily_mt, threads);
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bench_mt(howmany, spdlog::create<null_sink_mt>("null_mt"), threads);
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}
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catch (std::exception &ex)
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{
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std::cerr << "Error: " << ex.what() << std::endl;
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perror("Last error");
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}
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return 0;
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}
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