From owner-freebsd-questions Thu Oct 24 8: 0:18 2002 Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1EDE837B401 for ; Thu, 24 Oct 2002 08:00:17 -0700 (PDT) Received: from albatross.prod.itd.earthlink.net (albatross.mail.pas.earthlink.net [207.217.120.120]) by mx1.FreeBSD.org (Postfix) with ESMTP id C83AC43E3B for ; Thu, 24 Oct 2002 08:00:16 -0700 (PDT) (envelope-from walterk1@earthlink.net) Received: from user-0cal9lv.cable.mindspring.com ([24.170.166.191] helo=earthlink.net) by albatross.prod.itd.earthlink.net with esmtp (Exim 3.33 #1) id 184jSv-0003wu-00 for freebsd-questions@FreeBSD.org; Thu, 24 Oct 2002 08:00:05 -0700 Message-ID: <3DB80AF6.4559ED25@earthlink.net> Date: Thu, 24 Oct 2002 10:00:07 -0500 From: Walter X-Mailer: Mozilla 4.77C-CCK-MCD {C-UDP; EBM-APPLE} (Macintosh; U; PPC) X-Accept-Language: en MIME-Version: 1.0 To: "freebsd-questions@FreeBSD.org" Subject: kernel optimization Content-Type: text/plain; charset=us-ascii; x-mac-type="54455854"; x-mac-creator="4D4F5353" Content-Transfer-Encoding: 7bit Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG I haven't yet found notes on optimizing the kernel by telling the compiler I have a Pentium rather than just a 386-compatible processor. I presume these lines in the kernel configuration file deal with this: machine i386 cpu I386_CPU cpu I486_CPU cpu I586_CPU cpu I686_CPU Q: Do I comment out the "I386_CPU" and "I486_CPU" lines to optimize for a Pentium, (& if not, how do I,) and Q: Does it make a significant difference? TIA. Walter To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message