RE: [patch]K6-2/K-III compile option
Jones D (djones2@glam.ac.uk)
Fri, 1 Oct 1999 09:01:22 +0100
> > Anyway, all this is a royal mess: Way too many slightly
> different processor
> > options. Is there a real performance improvement here, so
> this really buys
> > something?
>
> Patches in the 2.3.18ac series enable MMX routines for the K7. Code
> comments state that these routines are a win on K6-III, and I think
> possibly the K6-II as well. It is definitely useful to enable
> CONFIG_X86_USE_3DNOW and -march=k6 on the K6 series, but doing so
> requires separating the K6 option from the PentiumTSC option.
Has anyone tried the new MMX/3DNow! memory copy routines on a Winchip2?
I've not benchmarked its 3dnow performance, but if that's faster than
integer copying, surely it should be enabled for that too.
I'll do some tests over the weekend on my Winchip-2A 266
regards,
d.
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