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Mail Archives: pgcc/1999/05/19/18:46:43

Message-Id: <3.0.32.19990520004516.00aa4930@pop.xs4all.nl>
X-Sender: diep AT pop DOT xs4all DOT nl
X-Mailer: Windows Eudora Pro Version 3.0 (32)
Date: Thu, 20 May 1999 00:45:18 +0100
To: pgcc AT delorie DOT com, pgcc AT delorie DOT com
From: Vincent Diepeveen <diep AT xs4all DOT nl>
Subject: Re: K7 potentials
Mime-Version: 1.0
Reply-To: pgcc AT delorie DOT com

At 05:48 PM 5/19/99 -0400, Adam Schrotenboer wrote:
>I was wondering if there is any speculation, q's, etc about what the K7
>may be capable of.

well i don't expect too much.

K6-3 should be way faster too than k6-2,
yet a k6-3 at 475Mhz was for my 32 bits programs and some other
32 bits integerprograms slower than a PII-450, although really close
to it. Rounding off it's a PII-450 speed.

Xeon is under linux about 7% faster than a PII of equal Mhz for me.
Of course when using the parallel version, the shared memory rocks on
the Xeon. So will it at a K7.

So whether K7 core is way quicker... ...first see then believe.

>For example:
>    Will the K7 be less "register starved" than the rest of the x86
>archictecture, or was this simply not possible while maintaining x86
>compatibility????
>    If it will have more registers, how much difference will this make
>performance or optimization-wise??
>    Will this be a EGCS thing, or will it be more likely PGCC??
>    Anybody know when K7's will be available at a decent price (yes,
>this is probably near to impossible to determine, but it could make an
>interesting point for discussion.)
>    Anything more that is AMD &| K7 related.
>
>I'm assuming that a different scheduler will be used, either that or the
>Haifa sched w/ full processor specs.
>
>Anyway, I'm bringing this up due to the (hopefully) soon release of the
>AMD K7 in June or July (I hope so, really I do)
>
>

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