Messages in this thread |  | | Date | Wed, 21 Aug 2002 14:16:11 -0700 (PDT) | From | Kelsey Hudson <> | Subject | Re: Hyperthreading |
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On Wed, 21 Aug 2002, James Bourne wrote:
> On Wed, 21 Aug 2002, Hugh Dickins wrote: > > > You do need CONFIG_SMP and a processor capable of HyperThreading, > > i.e. Pentium 4 XEON; but CONFIG_MPENTIUM4 is not necessary for HT, > > just appropriate to that processor in other ways. > > I was under the impression that the only CPU capable of hyperthreading was > the P4 Xeon. Is this not correct? I don't know of any other CPUs that > have the ht feature.
This is currently correct, although I believe Intel has plans to release a Hyperthreading-capable version of its desktop P4.
> Also, looking at setup.c it's hard to determine if CONFIG_SMP is > actually required, but it doesn't look like it...
Of course it's required. How are you to take advantage of a "second CPU" if your scheduler only works on a uniprocessor machine?
-- Kelsey Hudson khudson@compendium.us Software Engineer/UNIX Systems Administrator Compendium Technologies, Inc (619) 725-0771 ---------------------------------------------------------------------------
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