From owner-freebsd-hackers Sat Mar 16 13:15: 2 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from out011.verizon.net (out011pub.verizon.net [206.46.170.135]) by hub.freebsd.org (Postfix) with ESMTP id 2994637B422 for ; Sat, 16 Mar 2002 13:14:59 -0800 (PST) Received: from bellatlantic.net ([138.89.160.103]) by out011.verizon.net (InterMail vM.5.01.04.05 201-253-122-122-105-20011231) with ESMTP id <20020316211457.CLMM10148.out011.verizon.net@bellatlantic.net>; Sat, 16 Mar 2002 15:14:57 -0600 Message-ID: <3C93B5CF.CB4CCE71@bellatlantic.net> Date: Sat, 16 Mar 2002 16:14:55 -0500 From: Sergey Babkin X-Mailer: Mozilla 4.7 [en] (X11; U; FreeBSD 4.0-19990626-CURRENT i386) X-Accept-Language: en, ru MIME-Version: 1.0 To: Terry Lambert Cc: Alfred Perlstein , Jordan Hubbard , hackers@freebsd.org Subject: Re: Interesting sysctl variables in Mac OS X with hw info References: <68214.1016063680@winston.freebsd.org> <20020314001819.GB74829@elvis.mu.org> <3C8FEDDC.4CDC316F@mindspring.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Terry Lambert wrote: > > It got really bogged down when someone pointed out that > they were running CPUs with different clock rates in their > SMP box, just to see what the net effect would be. THe As far as I understand, you just physically can't do it: the P-II CPU initialization depends on all the CPUs on the bus running at the same rate. Or if you can do it then you still should never do it. Unless you actually have a NUMA machine (as opposed to an SMP machine). -SB To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message