Would this be a case where APC would decrease execution time of the script?
-Anthony On Thu, May 14, 2009 at 5:07 PM, Elijah Insua <tmp...@gmail.com> wrote: > +1 for profiling (http://www.xdebug.org/) > > I nominate Caching as well. > > -- Elijah > > > On Thu, May 14, 2009 at 4:49 PM, Hans Zaunere <li...@zaunere.com> wrote: > >> > Does anyone know how the PHP Interpreter pulls switch/case statements >> > together? Does it emulate a C compiler and, for larger case sets, >> > build a huge if/else cascade? Does it do this always? Is there any way >> >> Since PHP isn't really compiled, there are some inefficiencies when >> compared >> with something like C. I don't remember the exact mechanics, but switch >> is >> generally slower than if/else and less optimizable (word?) when it comes >> to >> opcode caching/etc.. >> >> > to know when it builds a jump table (like a s/c is supposed to)? I've >> > got a slow script (it's eating ~85% of execution time) that I can't >> > work around and one of the slower parts is a switch case (which is >> > slightly faster than manually building an if/else cascade) and was >> > wondering if anyone had any performance tips for cases like these. >> >> How many cases do you have? Could you refactor into a loop? Are you >> doing >> string comparisons, or can they be converted to numeric tests? Could some >> of the logic be reduced/spread out into a database or some other process? >> >> H >> >> _______________________________________________ >> New York PHP User Group Community Talk Mailing List >> http://lists.nyphp.org/mailman/listinfo/talk >> >> http://www.nyphp.org/show_participation.php >> > > > _______________________________________________ > New York PHP User Group Community Talk Mailing List > http://lists.nyphp.org/mailman/listinfo/talk > > http://www.nyphp.org/show_participation.php > -- Anthony W. ant92...@gmail.com
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