php 服务器整数,浮点,数据IO能力测试函数-PHP源码-php.cn

php 服务器整数,浮点,数据IO能力测试函数

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Release： 2016-06-08 17:27:06

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//下面提供一三个针对函数来测试服务器的整数运算能力测试, 浮点运算能力测试和数据IO能力测试哦。

代码如下	复制代码
function test_int() { $timeStart = gettimeofday(); for($i = 0; $i { $t = 1+1; } $timeEnd = gettimeofday(); $time = ($timeEnd["usec"]-$timeStart["usec"])/1000000+$timeEnd["sec"]-$timeStart["sec"]; $time = round($time, 3)."秒"; return $time; }

/*--------
浮点运算能力测试
----------*/

代码如下	复制代码
function test_float() { $t = pi(); $timeStart = gettimeofday(); for($i = 0; $i { sqrt($t); } $timeEnd = gettimeofday(); $time = ($timeEnd["usec"]-$timeStart["usec"])/1000000+$timeEnd["sec"]-$timeStart["sec"]; $time = round($time, 3)."秒"; return $time; }

/*-----
数据IO能力测试
-----*/

代码如下

复制代码

    function test_io()
    {
        $fp = fopen(PHPSELF, "r");
        $timeStart = gettimeofday();
        for($i = 0; $i         {
            fread($fp, 10240);
            rewind($fp);
        }
        $timeEnd = gettimeofday();
        fclose($fp);
        $time = ($timeEnd["usec"]-$timeStart["usec"])/1000000+$timeEnd["sec"]-$timeStart["sec"];
        $time = round($time, 3)."秒";
        return($time);
    }

/*
很多公司都自己写了相关的服务器针探测试工具，我们为你提供的只是三种简的整型运算，浮点运算，与io数据输出压力测试。