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Date:      Thu, 14 Mar 2002 15:24:00 -0500 (EST)
From:      Kenneth Culver <culverk@alpha.yumyumyum.org>
To:        Steve Wingate <stevew@velosystems.net>
Cc:        freebsd-smp@FreeBSD.ORG
Subject:   Re: Intel Xeon hyperthreading
Message-ID:  <20020314152326.H20147-100000@alpha.yumyumyum.org>
In-Reply-To: <008c01c1cb92$c62a28c0$0501a8c0@VELOSYSTEMS.NET>

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I don't know if anyone is working on that, but from what I could tell, in
a lot of cases, enabling the hyperthreading actually *decreased*
performance of a lot of multithreaded and single threaded apps.

Ken

On Thu, 14 Mar 2002, Steve Wingate wrote:

> Has anyone testing Intel Xeon hyperthreading on FreeBSD? I'm building a Dual
> Xeon box and I was curious if FreeBSD would see that as two processors or
> four. TIA.
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