Re: Hyperthreading

From: Jeff V. Merkey (jmerkey@vger.timpanogas.org)
Date: Wed Apr 17 2002 - 23:50:54 EST


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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