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php pear Benchmark

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2016-06-13 09:37:311449browse

Benchmark

基本信息

Version: 1.2.9

Release date: 2011-12-11 13:02 UTC

Description: 测试php脚本性能的框架(Framework to benchmark PHP scripts or function calls. )
Download: Benchmark pear

安装与配置

下载文件后解压文件目录结构如下


运行timer_example.php显示效果图如下


功能使用

Timer.php

主要函数:

$timer->start() 开始标记 相当于 $timer->setMarker("start')

$timer->setMarker('mark'); 标记 返回页面时此处标记到上一个标记之间的 时间、百分比 $timer->stop() 结束标记 相当于 $timer->setMarker('stop')
$timer->display(); 输出到页面

测试 is_file与file_exists性能对比
<?php

require 'Benchmark/Timer.php';

$filename='C:\Users\baixinxing\Desktop\Benchmark-1.2.9\Benchmark-1.2.9\README';

$timer = new Benchmark_Timer();
$timer->start();
for ($index = 0; $index < 10000; $index++) {
    //判断给定文件名是否为一个正常的文件
    is_file($filename);
}
$timer->setMarker('is_file');
for ($index = 0; $index < 10000; $index++) {
    //检查文件或目录是否存在
    file_exists($filename);
}
$timer->setMarker('file_exists');
$timer->stop();
$timer->display();


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function get() 返回函数每次执行时间和平均时间

<?php

require_once 'Benchmark/Iterate.php';

$benchmark = new Benchmark_Iterate;

class MyClass {

    function foo() {
        for ($index = 0; $index < 100; $index++) {
            $a=null;
            if (null === $a);
        }
    }

}

$o = new MyClass();

$benchmark->run(5, 'o->foo', 'test');
$result = $benchmark->get();
var_dump($result);
?>








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