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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--yNb1oOkm5a9FJOVX Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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 --yNb1oOkm5a9FJOVX Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFCi4PgXY6L6fI4GtQRAru2AKCVyHcNQ1tsG2kwWXFDdyJsELVb9wCdFud0 Gb/Gcc0LSSgIVZEjO1/fo3c= =+R8X -----END PGP SIGNATURE----- --yNb1oOkm5a9FJOVX--
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