On Mon, Apr 06, 2009 at 10:57:48AM -0400, Bill Nottingham wrote:
Actually, in some testing I did, the fasted was '-march=i686
-mtune=generic' (which was ~1% faster than '-march=i586 -mtune=generic'),
tested across Core2Duo, Athlon64, and Atom.
Twiddling the instruction scheduling (-mtune) invariably made things
worse, across the board.
Even with -mtune=atom on Atom CPUs?
Jakub