[PHP] Memory profiling tools

2008-06-23 Thread Larry Garfield
Hi all.  I have a rather large application on which I need to do some memory 
performance profiling and optimization.  Basically it's eating up more RAM 
than it should and I'm not sure why.  I have some suspects, but nothing 
concrete.

Are there any (open source) tools that people can recommend for such a task?  
Or any programming tricks one can recommend to identify the size of a given 
data structure?  Windows or Linux are both fine; I have access to both.

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Re: [PHP] Memory profiling tools

2008-06-23 Thread Chris
Larry Garfield wrote:
 Hi all.  I have a rather large application on which I need to do some memory 
 performance profiling and optimization.  Basically it's eating up more RAM 
 than it should and I'm not sure why.  I have some suspects, but nothing 
 concrete.
 
 Are there any (open source) tools that people can recommend for such a task?  
 Or any programming tricks one can recommend to identify the size of a given 
 data structure?  Windows or Linux are both fine; I have access to both.

You could use ticks:

http://www.davedevelopment.co.uk/2008/05/12/log-memory-usage-using-declare-and-ticks-in-php/

though see my comments (#7) about why you don't want to store the info
in php itself :P

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