From owner-freebsd-questions@FreeBSD.ORG Wed Jun 21 00:14:04 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org 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 7184016A479 for ; Wed, 21 Jun 2006 00:14:04 +0000 (UTC) (envelope-from danial_thom@yahoo.com) Received: from web33307.mail.mud.yahoo.com (web33307.mail.mud.yahoo.com [68.142.206.122]) by mx1.FreeBSD.org (Postfix) with SMTP id CB3CE43D48 for ; Wed, 21 Jun 2006 00:14:02 +0000 (GMT) (envelope-from danial_thom@yahoo.com) Received: (qmail 18891 invoked by uid 60001); 21 Jun 2006 00:14:02 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:Received:Date:From:Reply-To:Subject:To:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=DmhKOokyRH9eHHzdi7WwK5+dputkIFEUQ4KOgtyukmmE5RF2xVbR5/qigzg4bY/TIR9DwL/Hdfzcf4jApYZqoHbOOZ2/Z9lXhS+RsB8FDAdh2zMh5nrPlGr2F5NM7y9jWc8XR73ySy499mg5bkTuYow04gfYRgHfIGz1kNGYqg8= ; Message-ID: <20060621001402.18889.qmail@web33307.mail.mud.yahoo.com> Received: from [65.34.182.15] by web33307.mail.mud.yahoo.com via HTTP; Tue, 20 Jun 2006 17:14:02 PDT Date: Tue, 20 Jun 2006 17:14:02 -0700 (PDT) From: Danial Thom To: "Michael P. Soulier" , freebsd-questions@freebsd.org In-Reply-To: <20060620233551.GG11625@tigger.digitaltorque.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Cc: Subject: Re: migrating to 64-bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: danial_thom@yahoo.com List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Jun 2006 00:14:04 -0000 --- "Michael P. Soulier" wrote: > Hello, > > I recently got an ia64 box at work, and I threw > my i386 freebsd 5.4 on it. > Now, is there a way to rebuild world with > 64-bit support from there? > > Thanks, > Mike Everything I've tested runs slower in 64-bit mode (mainly because of kernel clunkiness), so if you don't need the long pointers you might want to re-think your proposed adventure. I believe that since everything is bigger in 64-bit mode, things fall out of the cpu cache a lot faster, and there is a significant different in performance in and out of the cache. DT __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com