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Date: Wed, 17 Apr 2002 21:50:54 -0700
From: "Jeff V. Merkey" <jmerkey@vger.timpanogas.org>
To: "Martin J. Bligh" <Martin.Bligh@us.ibm.com>
Cc: James Bourne <jbourne@MtRoyal.AB.CA>, Ingo Molnar <mingo@elte.hu>,
        linux-kernel@vger.kernel.org
Subject: Re: Hyperthreading
Message-ID: <20020417215054.A29118@vger.timpanogas.org>
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On Wed, Apr 17, 2002 at 05:31:05PM -0700, Martin J. Bligh wrote:
> >> Before you get too excited about that, how much performance boost do 
> >> you actually get by turning on Hyperthreading? ;-)
> > 
> > In my testing with SCI, it speeds up some operations and with 3Ware 
> > it increases throuput about 10 MB/S.  Not a lot but there is some 
> > improvement (if you can get around the lockups during boot).
> 
> What's that 10MB/s as a percentage of the overall performance?
> 
> M.

247-251 (with) vs. 227-238 (without) MB/S

Jeff  


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