Re: APC's performance improvement patch for single process multithreaded php

From:	shire	Date:	Sun, 11 Oct 2009 04:42:24 +0000
Subject:	Re: APC's performance improvement patch for single process multithreaded php
References:	1 2 3 4 5	Groups:	php.pecl.dev
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Basant Kukreja wrote:

I now agree with you that anonymous map and heap allocation will perform identical. I measure it on an e-commerce workload with and without this patch on Solaris Sparc and found no difference between the two.
Excl.     Incl.     Excl.       Incl.       Excl.     Incl.      Name
User CPU User CPU Total LWP Total LWP Sys. CPU Sys. CPU
     sec.      sec.        sec.        sec.      sec.      sec.
Using calloc:
    4.243  7656.376       7.145   56560.845     0.610  2095.696   php5_execute
Using mmap:
    3.973  7644.517       6.715   54048.538     0.640  2071.839   php5_execute
I think I spoke too early without measurement. I will close the RFE.

Ok, good to know. Thanks for making/reporting the measurements. -shire