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To: "'Andi Gutmans'" <andi@zend.com>,
	<internals@lists.php.net>
Date: Sat, 8 Jul 2006 08:20:32 -0700
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Subject: RE: [PHP-DEV] FW: Help needed in benchmarking memory patch
From: andi@zend.com ("Andi Gutmans")
References: <010901c6a23f$dc1e4b10$a610a8c0@zend.2k>

Anyone who'd like to try benchmark this, please drop me an email. We can
also discuss how best to test.

Thx.

Andi 

> -----Original Message-----
> From: Andi Gutmans [mailto:andi@zend.com] 
> Sent: Friday, July 07, 2006 8:38 PM
> To: internals@lists.php.net
> Subject: [PHP-DEV] FW: Help needed in benchmarking memory patch
> 
> Sending 3rd time this time without the attachment.
> You can get the diff at http://gutmans.org/alloc.zip 
> 
> 
> -----Original Message-----
> From: Andi Gutmans [mailto:andi@zend.com]
> Sent: Thursday, July 06, 2006 11:06 PM
> To: 'internals@lists.php.net'
> Subject: Help needed in benchmarking memory patch
> 
> Hi all,
> 
> Attached is a patch we've been working on to improve the 
> memory management of PHP. This patch's main advantage is 
> reducing the memory footprint of PHP, and therefore allowing 
> it to scale better. Although at low concurrencies the change 
> seems to be negligble, while testing at higher concurrencies 
> we saw significant improvement with this patch, mainly due to 
> lower memory usage.
> 
> We would very much appreciate if people here tested this 
> patch and send in their results. It would help us understand 
> if others are getting consistent results with ours, and also 
> see whether there are any additional improvements we should make.
> 
> This patch should apply cleanly to the PHP 5.2 CVS tree. 
> There's not much tuning that needs to be done. It uses 
> malloc() to allocate large memory blocks. You can control the 
> size of these blocks by setting the ZEND_MM_SEG_SIZE 
> environment variable before starting Apache/PHP. You may use 
> K or M to play around with the block size. The default we are 
> using is 256KB which seems to be a good balance.
> 
> Any feedback would be appreciated!
> 
> Andi
> 
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