c++的glog与spdlog的性能对比测试分析

#pragma once
#define GLOG_NO_ABBREVIATED_SEVERITIES
#include <spdlog/spdlog.h>
#include <logging.h>
#include <thread>
#include <spdlog/stopwatch.h>
using namespace google;
#ifdef _DEBUG
#pragma comment(lib, "glogd.lib")
#else
#pragma comment(lib, "glog.lib")
#endif // DEBUG
void testGlog2()
{
  int i = 0;
  spdlog::stopwatch sw;
  while (i < 100 * 1000)
  {
    LOG(INFO) << "async logger";
    i++;
  }
  LOG(INFO) << "testGlog Elapsed " << sw.elapsed().count();
}
void testGlog()
{
  // Start google log system:
  FLAGS_log_dir = ".\\log\\";
  google::InitGoogleLogging("loglog");
  google::SetLogDestination(google::GLOG_INFO, ".\\logs\\glog");
  google::SetStderrLogging(google::GLOG_FATAL);
  google::SetLogFilenameExtension("log_");
  FLAGS_colorlogtostderr = true;  // Set log color
  FLAGS_logbufsecs = 5;  // Set log output speed(s)
  FLAGS_max_log_size = 50;  // Set max log file size
  FLAGS_stop_logging_if_full_disk = true;  // If disk is full
  std::thread* t = new std::thread(testGlog2);
  t->join();
  google::ShutdownGoogleLogging();
}

spdlog::info(" 创建basicFileLogger ");
        auto logger = spdlog::basic_logger_mt("basic_logger", "logs/basic_log.txt");
        logger->info("文件创建完毕。");
        logger->set_pattern("[%Y-%m-%d %H:%M:%S.%f %z][thread %t][%n][%l]: %v");
        int i = 0;
        spdlog::stopwatch sw;
        while (i < 100 * 1000)
        {
            logger->info("basic_logger_mt logger");
            i++;
        }
        logger->info("asyncExample Elapsed {:.7}", sw);

ofstream logger;
  logger.open("logs/fopen.txt", std::ios::out);
  int i = 0;
  spdlog::stopwatch sw;
  while (i < 100 * 1000)
  {
    logger << asctime(& spdlog::details::os::gmtime()) <<__FUNCTION__ << " "<<__LINE__ <<" " << ("async logger") <<"\r\n";
    i++;
  }
  logger<<"asyncExample Elapsed "<< sw.elapsed().count();
  logger.close();