Re: Odd performance problem

From: Date: Fri, 09 May 2008 07:43:51 +0000
Subject: Re: Odd performance problem
References: 1  Groups: php.general 
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On Wed, 2008-05-07 at 17:31 +0200, Joeri Sebrechts wrote: > Hello, > > While debugging a script that ran too slowly I came across something that I > can't explain. > > It is inactive code that when removed doubles the run time of the script. > > Specifically, the issue is a switch statement, where one of the cases is > never reached. If I remove the case from the code, the run time of the > script goes from 6 seconds to 12 seconds. > > To see this problem in action, you can download the problematic script here: > http://sebrechts.net/files/2008/phpperfissue.zip > > Anyone have any ideas on how this is even possible? I'd like to improve the > run time of the script, but if every part of code that I take out makes it > run longer ... Runs the same for me either way... under PHP4 and PHP5. You must have a nice system, takes 22 seconds both ways on my Athlon 2400 :) Cheers, Rob. -- http://www.interjinn.com Application and Templating Framework for PHP

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