i've been doing some reading on optimizing php for fastest performance.
are there any benifts to configure php with: --enable-inline-optimization
That's the default now, so no, you don't need that.
also running eAccelerator.
these are my current options: --with-apache=../apache_1.3.33 \
That's a bit of a hassle for you, I bet. You have to recompile Apache to upgrade PHP. You can get the same performance by using --with-apxs to get a shared library and --without-pic to make sure you get a non-pic library. For older PHP versions, --without-pic won't work and you need to hack your configure scripts a bit. Just change all instances of -prefer-pic to -prefer-non-pic. Or use this patch:
http://www.lerdorf.com/php/non-pic.txt
You can tell if it is working by looking at the compile line as it is compiling. If you see -prefer-non-pic instead of -prefer-pic on each line it is working.
--with-mysql=/usr/local/mysql \ --with-xml \ --with-gd \ --with-jpeg-dir=/usr/lib \ --with-png-dir=/usr/lib \ --with-xpm \ --enable-magic-quotes \ --with-pear \ --enable-gd-native-ttf \ --with-zlib
just looking for tips.. that is all.
Beyond the compile-time switches, look at your configuration. Check your variables_order and turn off $_ENV population. That is, remove the 'E' from variables_order and look for any $_ENV instances in your code and change them to getenv() calls.
Also, remove '.' from your include_path and always use:
include './foo.inc';
That will save you a system call on every include. At the same time, for the real include_path includes, make sure that most of your includes hit the first include path. If PHP has to scan multiple dirs on every include it will be slower than it needs to be.
But most of your gains will come from profiling your actual code using either apd or xdebug and optimizing the parts that show up as being the bottlenecks.
-Rasmus
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