Messages in this thread | | | Subject | Re: [RFC][2.5 patch] K6-II/K6-II: enable X86_USE_3DNOW | From | Alan Cox <> | Date | 14 Apr 2003 23:06:28 +0100 |
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On Llu, 2003-04-14 at 23:27, Dave Jones wrote: > On Tue, Apr 15, 2003 at 12:21:10AM +0200, Adrian Bunk wrote: > > If my patch is wrong and this is a RTFM please give me a hint where to > > find the "M". > > > > The AMD K6-II and K6-III do support 3DNow! > > The 3dnow memory copies aren't a win on anything > earlier than an Athlon iirc.
Under 1% on a K6. The processor is so horribly memory bound the actual copy function is borderline irrelevant. If its not in the K6-III cache its not arriving in a hurry
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