NYCPHP Meetup

[Chris Shiflett]

csnyder wrote:
> I'm using the apc for opcode caching. I use a lot of includes
> per request, and I haven't seen it do anything gnarly.

The performance gurus recommend keeping your include trees reasonably 
small. Opcode caches don't erase that performance penalty.

> And what's the Callgrind business? I'd like to see a tutorial
> on that.

There are lots of good docs here:

http://kcachegrind.sourceforge.net/cgi-bin/show.cgi/KcacheGrindDocs

Slides 22 - 24 of this talk give you a peek at using KCachegrind with APD:

http://www.omniti.com/~george/talks/Profiling-phpworks-2004.pdf

If you're interested in APD itself, these notes are really good:

http://www.omniti.com/~george/talks/Profiling-Notes-phpworks-2004.pdf

Chris