Am Sonntag, 13. November 2005 07:27 schrieb Damian Mihai Liviu: > (...) > After doing some optimized RPMS for amarok and some kde-* I talk with > Pascal Bleser about optimization. Here are parts of our conversation log: > > ### > (22:03:58) liviudm: since you definately have much experience than me... > how much waste of time realy is? > (22:04:00) Pascal Bleser: not much. it's usually not very productive.. you > might gain 3% on most apps > (22:04:20) Pascal Bleser: on very few apps you might gain 10 to 20%, but > it's the exception, not the rule > (22:04:32) Pascal Bleser: current gcc optimizations are enough for most > things [stuff deleted] > (22:18:10) Pascal Bleser: most apps spend their time in I/O and compiler > flags don't help at all for that > (22:18:36) Pascal Bleser: for some applications that do a lot of computing > (scientific, etc...), it makes sense > (22:19:21) liviudm: then, why so many (Gentoo) users are using these > optimizations? > (22:19:39) Pascal Bleser: because they're not very experienced > (22:19:55) Pascal Bleser: and because they have a lot of time to loose, > apparently, like building a few days to install a linux system > ### > > Now it's up to you to make decisions about optimizing applications. I won't > build "insane" optimized apps anymore, only if Andreas Girardet asks me to > do it for the SUPER project. The only flags used will be -g -mtune=i686 > -march=i686 and eventually -O3 > > Yours faithfully,
Hmm, 3% faster ´startup´ "on most apps" - cool ;) why not? The question is : Are there negative side effects? mfg --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
