spdlog/bench/easylogging-bench-mt.cpp

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//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
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#include <atomic>
#include <chrono>
#include <iostream>
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#include <thread>
#include <vector>
#define ELPP_THREAD_SAFE
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#include "easylogging++.h"
#include "easylogging++.cc"
INITIALIZE_EASYLOGGINGPP
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using namespace std;
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int main(int argc, char *argv[])
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{
using namespace std::chrono;
using clock = steady_clock;
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int thread_count = 10;
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if (argc > 1)
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thread_count = atoi(argv[1]);
int howmany = 1000000;
// Load configuration from file
el::Configurations conf("easyl-mt.conf");
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el::Loggers::reconfigureLogger("default", conf);
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std::atomic<int> msg_counter{0};
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vector<thread> threads;
auto start = clock::now();
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for (int t = 0; t < thread_count; ++t)
{
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threads.push_back(std::thread([&]() {
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while (true)
{
int counter = ++msg_counter;
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if (counter > howmany)
break;
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LOG(INFO) << "easylog message #" << counter << ": This is some text for your pleasure";
}
}));
}
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for (auto &t : threads)
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{
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 = " << deltaf << " seconds" << std::endl;
std::cout << "Rate = " << rate << "/sec" << std::endl;
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return 0;
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}