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SubjectRe: Linux on AMD K6
Karl D. Nelson wrote:
>
> On Wed, 9 Jul 1997, Jeffrey Wiegley wrote:
>
> > I too am looking to purchase a K6 CPU instead of an Intel Pentium. I
> > don't know the answer to my next question so I apologize for not being
> > able to answer the original question due to a lack of general knowledge
> > on the subject.
> >
> > My questions would be:
> >
> > Currently how well does either the 2.0 or 2.1 kernels support the AMD
> > K6?
> > What special patches exist to increase K6 compatibilty/performance?
> > Are there any gcc/g++ compiler options that should be used to increase
> > performance for a K6?
> > Any other things that new K6 users should be aware of?
> >
> > - Jeff
> >
> > guess wrote:
> > >
> > > I am considering buying K6 processer instead of Pentium machine for an
> > > internet server wich will be running Linux/ http Server (Don't know
> > > wich
> > > one yet, probably Appache)
> > >
> > > I'd like to know public oppinion on this. Also some comparison on how
> > > it
> > > works on Pentium, Pentium Pro, Pentium II, and K6
> > >
>
> This thread has rapidly deteriorated into a comparison of web servers, but
> let's return to the question at hand: how does the K6 perform? These are
> the questions that I would like answers to before I would be willing to go
> with the AMD:
>
> - Does the AMD K6 have subtle x86 compatibility problems such as have been
> discussed on this list before with the Cyrix chips?
>

at the moment - no, though you cannot use sb64 at the moment and
creative is working on a fix.

> - AMD compares the K6 to the PPro but the chip sits in a P5 socket. Does
> this limit its truly functioning as a PPro clone?
>

though AMD want their K6 to be compared with PPro, PII, in reality, it
can't beat PPro, PII in any aspect.

> - The K6 has a larger cache than the PPro (according to AMD) but it's
> accessed at 66 MHz rather than at the chip clock speed as with PPro. How
> much of a hit is this?
>

AMD said K6 is optimise for 100Mhz bus speed and there is no such
motherboard at the moment, people are running/overclocking K6 at
75/83Mhz with no problem. K6's FPU still less capable than PMMX, PPro,
PII.

Lawrence

> Once these questions are satisfied, those asked by Jeff above become
> important.
>
> If anyone can address any of these questions, it would be much
> appreciated.
>
> Thanks,
> Karl.

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