转载地址：www.jianshu.com/p/8ec52d272d0f

wrk是一款现代HTTP基准测试工具，能够在单个多核CPU上运行时产生显着负载。它将多线程设计与可扩展事件通知系统（如epoll和kqueue）结合在一起。

基本用法

使用12个线程运行30秒的基准测试，并保持400个HTTP连接处于打开状态

wrk -t12 -c400 -d30s <a href="http://127.0.0.1:8080/index.html">http://127.0.0.1:8080/index.html</a>

输出

Running 30s test @ <a href="http://127.0.0.1:8080/index.html">http://127.0.0.1:8080/index.html</a>
  12 threads and 400 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   635.91us    0.89ms  12.92ms   93.69%
    Req/Sec    56.20k     8.07k   62.00k    86.54%
  22464657 requests in 30.00s, 17.76GB read
Requests/sec: 748868.53
Transfer/sec:    606.33MB

测试Swoole对laravel5.5的加速个例

brew install wrk   // 没有命令需安装

wrk -t4 -c100  <a href="http://live.com">http://live.com</a>   or   <a href="http://127.0.0.1:9501/">http://127.0.0.1:9501/</a>

带有FPM的Nginx

Running 10s test @ <a href="http://live.com">http://live.com</a>
  4 threads and 100 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     1.14s   191.03ms   1.40s    90.31%
    Req/Sec    22.65     10.65    50.00     65.31%
  815 requests in 10.07s, 223.65KB read
Requests/sec:     80.93
Transfer/sec:     22.21KB</p>

<p>

Swoole HTTP服务器

Running 10s test @ <a href="http://127.0.0.1:9501">http://127.0.0.1:9501</a>
  4 threads and 100 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency    11.58ms    4.74ms  68.73ms   81.63%
    Req/Sec     2.19k   357.43     2.90k    69.50%
  87879 requests in 10.08s, 15.67MB read
Requests/sec:   8717.00
Transfer/sec:      1.55MB

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