Messages in this thread | | | From | Alan Cox <> | Subject | Re: [patch]K6-2/K-III compile option | Date | Fri, 1 Oct 1999 12:14:47 -0400 (EDT) |
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> 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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