Subject: Re: Different speed CPUs show up as same speed
To: Brett Lymn <blymn@baesystems.com.au>
From: Michael Graff <explorer@flame.org>
List: tech-smp
Date: 06/12/2002 20:35:12
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Brett Lymn <blymn@baesystems.com.au> writes:

> On Tue, Jun 11, 2002 at 12:57:36AM -0400, John Klos wrote:
> > 
> > So the issue is a little bug - the code that reports the speed of the
> > second CPU does not actually report the speed of the second CPU. Anyone
> > feel like checking this out?
> > 
> 
> Wow - differing CPU clock speeds.  In most MP setups I know about that
> would result in a lock up at some point in the future.

Not only that, but what if a program test for and uses CPU specific
instructions that only exist on one CPU?  Running a SMP machine with
non identical CPUs sounds wrong.

- --Michael
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.0.6 (NetBSD)
Comment: See http://www.flame.org/~explorer/pgp for my keys

iEYEARECAAYFAj0IEvAACgkQl6Nz7kJWYWYD5QCcDvSnsiVFQ3YqIQev8u6n08Db
bRUAn2QX5FspeQNSAa3mLO7CH5CjCojt
=7tnR
-----END PGP SIGNATURE-----