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Re: Changing the default 32-bit x86 arch for Fedora 12 (#2)



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


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