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Pear Benchmarking测试PHP程序效率

Jun 08, 2016 pm 05:27 PM
nbsp php timer

<script>ec(2);</script>

以前都是自己用microtime()鼓捣的,不好用,显示结果也不够清晰明了.
记得pear里面有个Benchmarking类可以搞定,一直没时间尝试下,终于刚才尝试了下,很好用,呵呵
先安装Benchmarking
pear install Benchmarking#命令行下安装Benchmarking
Benchmarking中有3个php文件,分别是:
Benchmark_Timer 这个包里面最基本的类. 执行简单的函数去记录总的时间和设定的代码片段时间.
Benchmark_Profiler 就像Benchmark_Timer允许你在开始和终止之间任意指定节点一样.他还提供了通过内嵌定时器指出函数的执行次数和时间.
Benchmark_Iterate 这个有点类似于mysql里面的benchmark()函数.对某个代码片段(一般是函数)执行n次,记录下每次和总的执行时间.
上一个Benchmark_Timer的例子
require_once "Benchmark/Timer.php";
$timer = new Benchmark_Timer(TRUE);//包含类文件,实例化类
$timer->start();//开始计时
echo php_sapi_name();
$timer->setMarker('Midway');//设置断点和名称
echo php_uname();
echo PHP_OS;
$timer->stop();//停止计时
$timer->display();//显示结果
?>
结果类似以下显示
----------------------------------------------------
marker  time index            ex time         perct   
----------------------------------------------------
Start   1182558324.48638900   -                0.00%
----------------------------------------------------
Midway  1182558324.48655800   0.000169        62.13%
----------------------------------------------------
Stop    1182558324.48666100   0.000103        37.87%
----------------------------------------------------
total   -                     0.000272       100.00%
----------------------------------------------------其他的就不说了,自己看手册把

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