Re: [patch]K6-2/K-III compile option

Alan Cox (alan@redhat.com)
Fri, 1 Oct 1999 12:14:47 -0400 (EDT)

> I think there is still room for improvement. '-march=k6' should be a
> win on all K6's. Also, CONFIG_X86_USE_3DNOW is new and not necessarily
> mature.

Its the same speed of copy and costs the save overhead. The K6 you want
to use unrolled integer loops with prefetch and prefetchw

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