Re: GCC 4.0.0 Performance Regressions?

2005-05-12 Thread Jason Bucata
On Tue, May 10, 2005 at 05:52:40PM -0700, Joe Buck wrote: > On Tue, May 10, 2005 at 06:08:43PM -0500, Jason Bucata wrote: > > Would it help to report some others [regressions]? > > I might have time later this week to > > work on some of the others, especially now that I have

Re: GCC 4.0.0 Performance Regressions?

2005-05-10 Thread Jason Bucata
On Tue, May 10, 2005 at 11:46:38AM +0200, Giovanni Bajo wrote: > Jason Bucata <[EMAIL PROTECTED]> wrote: > > >> You should try and isolate a single BYTEmark test which shows the > >> biggest regression. It's better if you manage to pack the whole test > &

Re: GCC 4.0.0 Performance Regressions?

2005-05-10 Thread Jason Bucata
On Tue, May 10, 2005 at 02:04:37AM +0200, Giovanni Bajo wrote: > You should try and isolate a single BYTEmark test which shows the biggest > regression. It's better if you manage to pack the whole test as a single > preprocessed source file. Theoretically, this file should be compilable and > linka

GCC 4.0.0 Performance Regressions?

2005-05-09 Thread Jason Bucata
Is anybody collecting information on performance regressions in 4.0.0 (vs. 3.4.3)? I've got some results on POVRAY and BYTEmark, and BYTEmark saw some performance regression, particularly with profiled optimization (-fprofile-{generate,use}): http://forums.gentoo.org/viewtopic-t-329765.htm