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Date:      Wed, 27 Nov 1996 10:18:00 -0700
From:      Steve Passe <smp@csn.net>
To:        Bruce Albrecht <Bruce.Albrecht@seag.fingerhut.com>
Cc:        smp@freebsd.org
Subject:   Re: P5 vs. P6 performance 
Message-ID:  <199611271718.KAA15456@clem.systemsix.com>
In-Reply-To: Your message of "Wed, 27 Nov 1996 09:48:40 CST." <199611271548.JAA03358@g0084.fingerhut.com.> 

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Hi,

> I'm looking at buying either a dual CPU Pentium motherboard and
> initially populating it with a single Pentium-200 MHz, and then adding the
> second Pentium-200 MHz a few months later, OR buying a single Pentium-Pro 200
> MHz motherboard.  What can I expect for relative performance for each
> system, assuming that each one has, for example 64 MB memory?  If this
> is an overpowered home system with only occasional periods of
> sustained computation, would I need more that 64 MB?
> 
> For example, on a lightly loaded system, how much faster is the
> Pentium Pro?  Which system (dual P5 vs. 1 P6) would be faster at
> compiling all of FreeBSD from scratch?  

right now the single P6 would be faster than 2 P5s.  How much longer that will
be true I'm not sure, things are progressing nicely in the SMP kernel.

2 P5-200 might suffer from serious bus congestion.  If you can afford it
go for a dual P6 with one CPU for now, then add the second CPU when
finances permit. There is not that much difference between a P5-200
and a P6 these days (p5-200s are overpriced, but then so are P6).
I suspect (hope?) a decent price drop in P6 by February.

64 meg should do nicely unless you are doing something intensive.  I have
64 meg and rarely hit swap.
--
Steve Passe	| powered by
smp@csn.net	|            FreeBSD




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