From owner-freebsd-questions Mon Nov 2 08:14:44 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id IAA02137 for freebsd-questions-outgoing; Mon, 2 Nov 1998 08:14:44 -0800 (PST) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from elvis.vnet.net (elvis.vnet.net [166.82.1.5]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id IAA02128 for ; Mon, 2 Nov 1998 08:14:41 -0800 (PST) (envelope-from rivers@dignus.com) Received: from dignus.com (ponds.vnet.net [166.82.177.48]) by elvis.vnet.net (8.8.8/8.8.4) with ESMTP id LAA03834; Mon, 2 Nov 1998 11:14:18 -0500 (EST) Received: from lakes.dignus.com (lakes [10.0.0.3]) by dignus.com (8.8.8/8.8.5) with ESMTP id LAA04175; Mon, 2 Nov 1998 11:57:15 -0500 (EST) Received: (from rivers@localhost) by lakes.dignus.com (8.8.8/8.6.9) id LAA00845; Mon, 2 Nov 1998 11:14:52 -0500 (EST) Date: Mon, 2 Nov 1998 11:14:52 -0500 (EST) From: Thomas David Rivers Message-Id: <199811021614.LAA00845@lakes.dignus.com> To: questions@FreeBSD.ORG, Studded@gorean.org Subject: Re: Cyrix 6x86 CPU Cc: dnelson@emsphone.com In-Reply-To: <363BA458.604FFB30@gorean.org> Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > > Dan Nelson wrote: > > > So for all but the most rabid performace freaks that can sense when a > > branch is predicted wrong or when a pipeline stalls, including all > > possible CPU types will make absolutely no difference. > > So if we know how to conditionalize this code, why is it still > necessary to specify the cpu type? Why not have /usr/sbin/config detect > the cpu type and DTRT? (Or whatever convenient/efficient mechanism is > appropriate.) > > Doug That's nice if you're config'ing on the machine where you plan to run the resulting kernel. What if you're doing a build for a kernel that is meant to run somewhere else? - Dave R. - To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message