139 lines
3.9 KiB
C++
139 lines
3.9 KiB
C++
//
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// Copyright(c) 2015 Gabi Melman.
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// Distributed under the MIT License (http://opensource.org/licenses/MIT)
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//
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//
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// bench.cpp : spdlog benchmarks
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//
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#include "spdlog/async.h"
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#include "spdlog/sinks/basic_file_sink.h"
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#include "spdlog/sinks/stdout_color_sinks.h"
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#include "spdlog/spdlog.h"
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#include "utils.h"
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#include <atomic>
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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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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_mt(int howmany, std::shared_ptr<spdlog::logger> log, int thread_count);
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int count_lines(const char *filename)
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{
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int counter = 0;
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auto *infile = fopen(filename, "r");
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int ch;
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while (EOF != (ch = getc(infile)))
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{
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if ('\n' == ch)
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counter++;
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}
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return counter;
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}
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int main(int argc, char *argv[])
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{
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int howmany = 1000000;
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int queue_size = howmany + 2;
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int threads = 10;
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int iters = 3;
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try
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{
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auto console = spdlog::stdout_color_mt("console");
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if (argc == 1)
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{
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console->set_pattern("%v");
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console->info("Usage: {} <message_count> <threads> <q_size> <iterations>", argv[0]);
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return 0;
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}
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if (argc > 1)
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howmany = atoi(argv[1]);
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if (argc > 2)
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threads = atoi(argv[2]);
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if (argc > 3)
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queue_size = atoi(argv[3]);
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if (argc > 4)
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iters = atoi(argv[4]);
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console->info("-------------------------------------------------");
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console->info("Messages: {:14n}", howmany);
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console->info("Threads : {:14n}", threads);
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console->info("Queue : {:14n}", queue_size);
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console->info("Iters : {:>14n}", iters);
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console->info("-------------------------------------------------");
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const char *filename = "logs/basic_async.log";
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for (int i = 0; i < iters; i++)
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{
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auto tp = std::make_shared<details::thread_pool>(queue_size, 1);
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auto file_sink = std::make_shared<spdlog::sinks::basic_file_sink_mt>(filename, true);
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auto logger = std::make_shared<async_logger>("async_logger", std::move(file_sink), std::move(tp), async_overflow_policy::block);
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bench_mt(howmany, std::move(logger), threads);
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auto count = count_lines(filename);
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if (count != howmany)
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{
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console->error("Test failed. {} has {:n} lines instead of {:n}", filename, count, howmany);
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exit(1);
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}
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else
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{
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console->info("Line count OK ({:n})\n", count);
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}
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}
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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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return 1;
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}
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return 0;
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}
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void thread_fun(std::shared_ptr<spdlog::logger> logger, int howmany)
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{
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for (int i = 0; i < howmany; i++)
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{
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logger->info("Hello logger: msg number {}", i);
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}
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}
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void bench_mt(int howmany, std::shared_ptr<spdlog::logger> logger, int thread_count)
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{
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using std::chrono::high_resolution_clock;
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vector<thread> threads;
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auto start = high_resolution_clock::now();
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int msgs_per_thread = howmany / thread_count;
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int msgs_per_thread_mod = howmany % thread_count;
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for (int t = 0; t < thread_count; ++t)
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{
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if (t == 0 && msgs_per_thread_mod)
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threads.push_back(std::thread(thread_fun, logger, msgs_per_thread + msgs_per_thread_mod));
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else
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threads.push_back(std::thread(thread_fun, logger, msgs_per_thread));
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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 = high_resolution_clock::now() - start;
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auto delta_d = duration_cast<duration<double>>(delta).count();
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spdlog::get("console")->info("Elapsed: {} secs\t {:n}/sec", delta_d, int(howmany / delta_d));
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}
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