spdlog/bench/spdlog-null-async.cpp
2018-06-01 17:52:05 +03:00

117 lines
3.2 KiB
C++

//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
//
// bench.cpp : spdlog benchmarks
//
#include "spdlog/async.h"
#include "spdlog/async_logger.h"
#include "spdlog/sinks/null_sink.h"
#include "spdlog/spdlog.h"
#include "utils.h"
#include <atomic>
#include <cstdlib> // EXIT_FAILURE
#include <iostream>
#include <memory>
#include <string>
#include <thread>
using namespace std;
using namespace std::chrono;
using namespace spdlog;
using namespace spdlog::sinks;
using namespace utils;
size_t bench_as(int howmany, std::shared_ptr<spdlog::logger> log, int thread_count);
int main(int argc, char *argv[])
{
int howmany;
int tp_queue_size;
int tp_threads = 1;
int client_threads = 10;
int iters = 10;
try
{
if (argc < 2)
{
cout << "Usage: " << argv[0] << " <howmany> [client_threads] [q_size] [tp_threads]" << endl;
return (1);
}
howmany = atoi(argv[1]);
if (argc > 2)
client_threads = atoi(argv[2]);
if (argc > 3)
tp_queue_size = atoi(argv[3]);
else
tp_queue_size = howmany;
if (argc > 4)
tp_threads = atoi(argv[4]);
cout << "\n*******************************************************************************\n";
cout << "messages:\t" << format(howmany) << endl;
cout << "client_threads:\t" << client_threads << endl;
cout << "tp queue:\t" << format(tp_queue_size) << endl;
cout << "tp threads:\t" << tp_threads << endl;
cout << "*******************************************************************************\n";
size_t total_rate = 0;
for (int i = 0; i < iters; ++i)
{
spdlog::init_thread_pool(tp_queue_size, tp_threads);
auto as = spdlog::create_async_logger<null_sink_mt>("async(null-sink)");
total_rate += bench_as(howmany, as, client_threads);
spdlog::drop("async(null-sink)");
}
std::cout << endl;
std::cout << "Avg rate: " << format(total_rate / iters) << "/sec" << std::endl;
}
catch (std::exception &ex)
{
std::cerr << "Error: " << ex.what() << std::endl;
perror("Last error");
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
// return rate/sec
size_t bench_as(int howmany, std::shared_ptr<spdlog::logger> log, int thread_count)
{
cout << log->name() << "...\t\t" << flush;
std::atomic<int> msg_counter{0};
vector<thread> threads;
auto start = system_clock::now();
for (int t = 0; t < thread_count; ++t)
{
threads.push_back(std::thread([&]() {
for (;;)
{
int counter = ++msg_counter;
if (counter > howmany)
break;
log->info("Hello logger: msg number {}", counter);
}
}));
}
for (auto &t : threads)
{
t.join();
}
auto delta = system_clock::now() - start;
auto delta_d = duration_cast<duration<double>>(delta).count();
auto per_sec = size_t(howmany / delta_d);
cout << format(per_sec) << "/sec" << endl;
return per_sec;
}