| Date | Fri, 25 Oct 2002 08:09:44 +0900 (JST) | Subject | Re: [CFT] faster athlon/duron memory copy implementation | From | Hirokazu Takahashi <> |
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Hello,
> AMD recommends to perform memory copies with backward read operations > instead of prefetch. > > http://208.15.46.63/events/gdc2002.htm > > Attached is a test app that compares several memory copy implementations. > Could you run it and report the results to me, together with cpu, > chipset and memory type? > > Please run 2 or 3 times.
Your test dosen't use cache memory on CPU for the both of src and dst. We should also try it with a smaller buffer. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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