Re: Hyperthreading

Jeff V. Merkey (jmerkey@vger.timpanogas.org)
Wed, 17 Apr 2002 14:24:38 -0700


Beware! I have seen lockups and driver sickness with hyperthreading
enabled on some motherboards. Most notably, Tyan with 2.4.19 and
2.5.6.

Jeff

On Wed, Apr 17, 2002 at 04:15:42PM -0400, Robert Love wrote:
> On Wed, 2002-04-17 at 17:10, Martin J. Bligh wrote:
> > > Total of 4 processors activated (14299.95 BogoMIPS).
> >
> > Before you get too excited about that, how much performance boost do
> > you actually get by turning on Hyperthreading? ;-)
>
> Certainly not the mips*4 that bogomips is showing :)
>
> I guess that is a "bug" ?
>
> Robert Love
>
>
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