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.
--
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Application and Templating Framework for PHP