Bill Nottingham wrote: > Warren Togami (wtogami@xxxxxxxxxx) said: >> This is a silly notion. Atom requires code to be built entirely >> differently from all modern processors in order to get maximum >> performance. Code must be optimized for in-line performance. Atom >> target support hasn't even hit gcc-4.4 yet. > > Interestingly, using the parts of OpenBench that can actually be > cajoled to build and run correctly (why are benchmark suites such > pain?)... the best option for atom is -march=i686 -mtune=generic. > Tuning for i586 (the previous in-order processor) doesn't actually > help. -march=i686 is better than i586, but is it the best. I though -march=prescott was optimal for atom? > > Also, -march=i686 was a win over -march=i586, in general, in testing > across Atom, Core2Duo, and a Athlon64, although not a particularly > significant one. -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
