Mailinglist Archive: opensuse-factory (297 mails)

[Robert Love <rml@xxxxxxxxxx>]

On Wed, 2007-01-17 at 21:23 +0100, Per Jessen wrote:

> So, does my Celeron processor support hyperthreading?  I'm fairly
> certain it does not, which is why the HT flag seems to be misplaced.

Your processor does support hyperthreading, architecturally speaking,
hence the HT flag.  But you have only one virtual core.  So for all
practical purposes, your chip is not hyperthreaded.

> > To programmatically see if a chip physically has HT cores, you have to 
> > look at the "physical id" and "core id" fields.
> > And the Prescott-based Celeron D family, such as yours, supports SSE 2
> > and 3.
> 
> Ah, interesting.  How do you tell from my cpuinfo that it is a Celeron
> D?

Just from the name and the speed and the other flags.

> And is there an SSE3 indicator/flag?

Yes, PNI (stands for Prescott New Instructions).

	Robert


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