Re: [RFC][2.5 patch] K6-II/K6-II: enable X86_USE_3DNOW

[Alan Cox]

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