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Date:      Fri, 20 Apr 2001 04:18:25 -0500
From:      Mike Meyer <mwm@mired.org>
To:        "Charles Burns" <burnscharlesn@hotmail.com>
Cc:        questions@freebsd.org
Subject:   Re: the AMD factor in FreeBSD
Message-ID:  <15071.65249.943110.371512@guru.mired.org>
In-Reply-To: <52898647@toto.iv>

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Charles Burns <burnscharlesn@hotmail.com> types:
> Xeon is simply a P2 or P3 that has lots of on-chip cache memory and is 
> extremely overpriced.

When I bought mine, Xeon's were also the only P2s - P3s weren't
available yet - that had a cache that ran at the CPU clock speed. The
benchmarks indicated that for many typical Unix applications, the
cache speed was nearly as important as the base CPU speed.  My tests
afterwards weren't quite so clearcut, but it ran rings around the
350MHz ultrasparc that I had been considering.

If I remember correctly, the clock speeds were also the same - the
fastest P2 and the fastest Xeon were both 450MHz. And yes, on-chip
cache is dear.

The price on P2 Xeon's has fallen to something reasonable, so I've
upgraded those as far as I can - 450MHz with 2M of on-chip cache. With
the recent commentary about the P3 core sucking, I'm wondering if
there's any point in going to P3 Xeons, as the fastest the motherboard
will go is 600MHz.

	Thanx,
	<mike
--
Mike Meyer <mwm@mired.org>			http://www.mired.org/home/mwm/
Independent WWW/Perforce/FreeBSD/Unix consultant, email for more information.

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