// // Copyright(c) 2015 Gabi Melman. // Distributed under the MIT License (http://opensource.org/licenses/MIT) // #include <atomic> #include <chrono> #include <cstdlib> #include <iostream> #include <thread> #include <vector> #include "spdlog/spdlog.h" using namespace std; int main(int argc, char *argv[]) { using namespace std::chrono; using clock = steady_clock; int thread_count = 10; if (argc > 1) thread_count = std::atoi(argv[1]); int howmany = 1000000; auto logger = spdlog::create<spdlog::sinks::simple_file_sink_mt>("file_logger", "logs/spdlog-bench-mt.log", false); logger->set_pattern("[%Y-%m-%d %T.%F]: %L %t %v"); std::atomic<int> msg_counter{0}; std::vector<thread> threads; auto start = clock::now(); for (int t = 0; t < thread_count; ++t) { threads.push_back(std::thread([&]() { while (true) { int counter = ++msg_counter; if (counter > howmany) break; logger->info("spdlog message #{}: This is some text for your pleasure", counter); } })); } for (auto &t : threads) { t.join(); } duration<float> delta = clock::now() - start; float deltaf = delta.count(); auto rate = howmany / deltaf; std::cout << "Total: " << howmany << std::endl; std::cout << "Threads: " << thread_count << std::endl; std::cout << "Delta = " << std::fixed << deltaf << " seconds" << std::endl; std::cout << "Rate = " << std::fixed << rate << "/sec" << std::endl; return 0; }