spdlog/bench/g2log-async.cpp

#include <thread>
#include <vector>
#include <atomic>
#include <iostream>
#include <chrono>

#include "g2logworker.h"
#include "g2log.h"

using namespace std;
template<typename T> std::string format(const T& value);

int main(int argc, char* argv[])
{
	using namespace std::chrono;
	using clock=steady_clock;
	int thread_count = 10;

	if(argc > 1)
		thread_count = atoi(argv[1]);
	int howmany = 1000000;

	g2LogWorker g2log(argv[0], "logs");
	g2::initializeLogging(&g2log);


	std::atomic<int > msg_counter {0};
	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;
				LOG(INFO) << "g2log message #" << counter << ": This is some text for your pleasure";
			}
		}));
	}


	for(auto &t:threads)
	{
		t.join();
	};

	duration<float> delta = clock::now() - start;
	float deltaf = delta.count();
	auto rate = howmany/deltaf;

	cout << "Total: " << howmany << std::endl;
	cout << "Threads: " << thread_count << std::endl;
	std::cout << "Delta = " << deltaf << " seconds" << std::endl;
	std::cout << "Rate = " << rate << "/sec" << std::endl;
}