Linux-kernel mailing list archive 1998-42,: Re: [Drifting off-topic] Re: Cyrix Detection -- NO SMP, please ?????

# Re: [Drifting off-topic] Re: Cyrix Detection -- NO SMP, please ?????

Chris Wedgwood (chris@cybernet.co.nz)
Wed, 21 Oct 1998 20:07:04 +1300

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On Tue, Oct 20, 1998 at 05:03:15PM -0700, david parsons wrote:

> Though this does beg the question of `why bother?' -- I know
> that there are some ppro optimizations that speed things up,
> but for a casual user will they even be noticable? Since the
> 805xx chips are just a little bit faster than the 80386 chips,
> does it REALLY cripple performance to have a 386 kernel on your
> Xeon (80524?) 800 machine?

386 has to dump the whole TLB, P5+ don't have to. Presumably this
does make a real difference, lmbench could probably verify this?

-cw

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