cvs commit: src/sys/amd64/amd64 identcpu.c src/sys/i386/i386 identcpu.c

David O'Brien obrien at FreeBSD.org
Mon Oct 17 12:14:27 PDT 2005


On Mon, Oct 17, 2005 at 02:51:31PM -0400, Jung-uk Kim wrote:
> On Monday 17 October 2005 02:31 pm, David O'Brien wrote:
> > On Mon, Oct 17, 2005 at 02:17:33PM -0400, Jung-uk Kim wrote:
> > > On Monday 17 October 2005 01:28 pm, David O'Brien wrote:
> > > >     CPU: Dual Core AMD Opteron(tm) Processor 280 (2392.35-MHz
> > > > K8-class CPU) ..
> > > >     Physical/Logical cores: 2/2
> > > >     ..
> > > >     FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
..
> > > The information is per-CPU.  You have two CPUs with dual cores,
> > > which means the given information is correct.  Please back it
> > > out.
> >
> > No, this given information is wrong.  AMD does not have
> > HyperThreading. You are treating it as if it does.
> 
> ???  Did I ever mention Hyper-Threading here?  I actually replaced 
> misleading 'Hyperthreading' with 'Physical/Logical cores.'

What else is x86/x86-64 "Physical/Logical cores" other than
HyperThreading?

-- 
-- David  (obrien at FreeBSD.org)


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