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Date:      Wed, 18 May 2005 11:05:21 -0700
From:      Brooks Davis <brooks@one-eyed-alien.net>
To:        Pav Lucistnik <pav@freebsd.org>
Cc:        freebsd-amd64@freebsd.org
Subject:   Re: FreeBSD on dual core Opterons - stupid buildworld test
Message-ID:  <20050518180521.GB9719@odin.ac.hmc.edu>
In-Reply-To: <1116437340.69035.0.camel@hood.oook.cz>
References:  <428B6FC1.3000907@fsn.hu> <1116437340.69035.0.camel@hood.oook.cz>

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On Wed, May 18, 2005 at 07:29:00PM +0200, Pav Lucistnik wrote:
> Attila Nagy p=ED?e v st 18. 05. 2005 v 18:39 +0200:
> > Hello,
> >=20
> > I did some buildworld tests on an HP BL45p with 4 2,2 GHz Opterons.
> >=20
> > Sequential time make buildworld -jX times (if there is a missing=20
> > iteration, then the build has failed):
>=20
> > http://people.fsn.hu/~bra/bl45p/dmesg.boot
>=20
> >  Hyperthreading: 2 logical CPUs
>=20
> 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      =
 =20
bit is.

-- Brooks

--=20
Any statement of the form "X is the one, true Y" is FALSE.
PGP fingerprint 655D 519C 26A7 82E7 2529  9BF0 5D8E 8BE9 F238 1AD4

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