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? IMHO not. People who care about performance that much
certainly don't run 32bit any more.
cheers,
Gerd