PHP Pear benchmark_php Tutorial

Benchmark

Basic information

version:1.2.9

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

Description: Framework for testing PHP script performance (framework to benchmark PHP scripts or function calls.)
Download:benchmark Pear

Installation and Configuration

After downloading the file, unzip the file directory structure as follows

Run timer_example.php display as follows

function use

timer.php

Main functions:

$timer->start () start tag is equivalent to $timer->setmarker ("Start")

$timer->setmarker (' Mark '); Mark the time, Percent $timer->stop () end tag that is marked to the previous tag when the page is returned is equivalent to $timer->setmarker ('stop')
$timer->display (); Output to Page

Test Is_file and File_exists performance comparison

  
   Start (); for ($index = 0; $index < 10000; $index + +) {    //To determine if the given file name is a normal file    is_file ($filename);} $timer->setmarker (' Is_file '); for ($index = 0; $index < 10000; $index + +) {    //check file or directory for presence    file_exists ($ filename);} $timer->setmarker (' file_exists '); $timer->stop (); $timer->display ();

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function get () returns the execution time and average time of the functions

  
   Run (5, ' o->foo ', ' Test '), $result = $benchmark->get (); Var_dump ($result);? >

http://www.bkjia.com/PHPjc/755791.html www.bkjia.com true http://www.bkjia.com/PHPjc/755791.html techarticle Benchmark Basic information version:1.2.9 Release date:2011-12-11 13:02 UTC Description: Framework for testing PHP script performance (framework to Benchmark PHP Scripts or function calls. ) ...

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