From owner-freebsd-stable@FreeBSD.ORG Sat Apr 8 21:24:27 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 48EA916A400 for ; Sat, 8 Apr 2006 21:24:27 +0000 (UTC) (envelope-from peterjeremy@optushome.com.au) Received: from mail27.syd.optusnet.com.au (mail27.syd.optusnet.com.au [211.29.133.168]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9986343D46 for ; Sat, 8 Apr 2006 21:24:26 +0000 (GMT) (envelope-from peterjeremy@optushome.com.au) Received: from turion.vk2pj.dyndns.org (c220-239-19-236.belrs4.nsw.optusnet.com.au [220.239.19.236]) by mail27.syd.optusnet.com.au (8.12.11/8.12.11) with ESMTP id k38LONFZ028467 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO); Sun, 9 Apr 2006 07:24:23 +1000 Received: from turion.vk2pj.dyndns.org (localhost.vk2pj.dyndns.org [127.0.0.1]) by turion.vk2pj.dyndns.org (8.13.4/8.13.4) with ESMTP id k38LOMmC006970; Sun, 9 Apr 2006 07:24:22 +1000 (EST) (envelope-from peter@turion.vk2pj.dyndns.org) Received: (from peter@localhost) by turion.vk2pj.dyndns.org (8.13.4/8.13.4/Submit) id k38LOMLM006969; Sun, 9 Apr 2006 07:24:22 +1000 (EST) (envelope-from peter) Date: Sun, 9 Apr 2006 07:24:22 +1000 From: Peter Jeremy To: Dmitry Morozovsky Message-ID: <20060408212421.GB720@turion.vk2pj.dyndns.org> References: <20060406192950.GE700@turion.vk2pj.dyndns.org> <20060408203233.K67402@woozle.rinet.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060408203233.K67402@woozle.rinet.ru> X-PGP-Key: http://members.optusnet.com.au/peterjeremy/pubkey.asc User-Agent: Mutt/1.5.11 Cc: freebsd-stable@freebsd.org, Pete French Subject: Re: Pros and Cons of amd64 (versus i386). X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 08 Apr 2006 21:24:27 -0000 On Sat, 2006-Apr-08 20:41:36 +0400, Dmitry Morozovsky wrote: >On Fri, 7 Apr 2006, Peter Jeremy wrote: >PJ> Backup your amd64 environment and install i386. You can re-install >PJ> the amd64 once the testing is finished. The best benchmark is always >PJ> your own application. > >Or, even better, use spare disk or at least spare slice. Having fresh good >backup never hurts though ;-) Note that using different slices may change your results. All modern disks are faster near the outside (start of the disk) then the inside (I get more than 50% increase from inside to outside on one system). A second disk is OK as long as it's the same type of disk running at the same transfer rate. -- Peter Jeremy