FreeBSD on dual core Opterons - stupid buildworld test

Brooks Davis brooks at one-eyed-alien.net
Wed May 18 11:05:31 PDT 2005


On Wed, May 18, 2005 at 07:29:00PM +0200, Pav Lucistnik wrote:
> Attila Nagy pí?e v st 18. 05. 2005 v 18:39 +0200:
> > Hello,
> > 
> > I did some buildworld tests on an HP BL45p with 4 2,2 GHz Opterons.
> > 
> > Sequential time make buildworld -jX times (if there is a missing 
> > iteration, then the build has failed):
> 
> > http://people.fsn.hu/~bra/bl45p/dmesg.boot
> 
> >  Hyperthreading: 2 logical CPUs
> 
> So dual-core Opterons report into system as Hyperthreading? Uncool.

What the AMD reps said at a session I attended last year is that they
report as supporting hyper threading, but set another bit to say that
they are actually real cores.  We probably need to find out what that        
bit is.

-- Brooks

-- 
Any statement of the form "X is the one, true Y" is FALSE.
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