X-pop3-spooler:	POP3MAIL 2.1.0 b 4 980420 -bs-
Date:	Tue, 21 Jul 1998 09:11:54 +0100 (BST)
From:	Dave Tweed <tweed AT ncti DOT ac DOT uk>
X-Sender:	tweed AT neon
cc:	beastium-list AT Desk DOT nl
Subject:	Re: speed PGCC vs GCC for DIEP
In-Reply-To:	<3.0.32.19980719215256.0098e2c0@xs4all.nl>
Message-ID:	<Pine.SGI.3.96.980721085627.6582E-100000@neon>
MIME-Version:	1.0
Sender:	Marc Lehmann <pcg AT goof DOT com>
Status:	RO
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Lines:	37

On Sun, 19 Jul 1998, Vincent Diepeveen wrote:

> Anyway K6 is fast considering its price, but is it smart for a 
> compiler to make optimizations for an outdated socket 7 clone?

It's probably unnecessary to say this to Marc, but I'm one of the
people who benefits from the amd k6 optimisations and would urge that you
don't take this argument to heart.

(Vincent, if it helps you to understand why I've gone for a solution which
is inferior in terms of absolute performane: I have an old, pre-split
voltage motherboard which consequently limits me to either staying with
the classic pentium, or going for a k6-233(*) when I upgraded three weeks
ago; there's no intermediate option like a high end Pentium-MMX.  Whilst
I'd love a P-II machine my bank manager won't let me, yet I do need
something which speeds up the huge Mathematica and image processing
calculations that I do.) 

> I'll do that because i think socket 7 is outdated. No future.
> Look to the level 2 cache what they did to it. They put it at the mainboard!!
> Awfull! So socket 7 has no future, the faster your processor, the less
> you profit from it as level 2 cache speed kills you.

It probably is outdated at the high performance, low performance/dollar
level, but it certainly still a good option at the medium performance,
high performace/dollar level. And for a lot of students like me - both
undergraduate and graduate - that's where we live. 



(*) This worked for me; this might be a fluke so I won't be held
liable if anyone tries this and it goes badly wrong.

___cheers,_dave__________________________________________________________
email: tweed AT cs DOT bris DOT ac DOT uk       "valid PERL regexp: text not produced by
www.cs.bris.ac.uk/~tweed/pi.htm     any of infinitely many monkeys after
work tel: (0117) 954-5253           an infinitely long time." 

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