Re: Compiling PHP with -O3

Mark J. Hershenson wrote: > > Out of curiosity, I have been attempting to compile PHP with "-O3" and not > "-O2" optimization. I changed Zend/Makefile and ./config_vars.mk to do it. > > It seems to work just fine so far. I haven't done any speed tests to see if > it's good or bad, but I've done it. > > Having satiated my curiosity, I would be interested in now knowing whether > -O3 is actually a good thing to do. > Depends...On FreeBSD, it's pretty well known that O2 and higher are semi-munged and not worth the risk. I have a few systems running that have been compiled at O2 and they seem no more or less stable that those with O, nor do they seem more or less faster. -- =========================================================================== Jim Jagielski [|] jim@jaguNET.com [|] http://www.jaguNET.com/ "Casanova will have many weapons; To beat him you will have to have more than forks and flatulence."