Gerd Hoffmann (kra...@redhat.com) said: > On 06/17/09 19:52, Bill Nottingham wrote: >> P4 2.4Ghz Athlon 3400+ Core2Duo E6850 Atom N270 >> march=i686/ -1.1% +2.0% +0.9% +0.6% >> mtune=generic >> march=i586/ +0.3% -0.3% -0.2% +1.3% >> mtune=atom >> march=i686/ -1.5% +1.2% +0.5% +1.7% >> mtune=atom > > 2% difference max. You'll hardly notice that. Is that really worth the > effort?
As *already said*, if you're already doing a mass rebuild, it's near zero effort. (Also, if you think 5-10% is the threshold for any compiler performance improvements, the GCC team could use your help.) Bill -- fedora-devel-list mailing list fedora-devel-list@redhat.com https://www.redhat.com/mailman/listinfo/fedora-devel-list
