Re: [PHP] Odd performance problem
[email protected] (Robert Cummings)
| Newsgroups | php.general |
|---|---|
| Organization | InterJinn |
| Message-ID | <1210319031.31111.69.camel@blobule> |
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