From owner-freebsd-amd64@FreeBSD.ORG Tue Jan 24 23:55:12 2006 Return-Path: X-Original-To: freebsd-amd64@freebsd.org Delivered-To: freebsd-amd64@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4542516A41F for ; Tue, 24 Jan 2006 23:55:12 +0000 (GMT) (envelope-from oceanare@pacific.net.sg) Received: from smtpgate1.pacific.net.sg (smtpgate1.pacific.net.sg [203.120.90.31]) by mx1.FreeBSD.org (Postfix) with SMTP id 09C6643D4C for ; Tue, 24 Jan 2006 23:55:10 +0000 (GMT) (envelope-from oceanare@pacific.net.sg) Received: (qmail 2899 invoked from network); 24 Jan 2006 23:55:08 -0000 Received: from maxwell2.pacific.net.sg (203.120.90.192) by smtpgate1.pacific.net.sg with SMTP; 24 Jan 2006 23:55:08 -0000 Received: from [192.168.0.107] ([210.24.122.211]) by maxwell2.pacific.net.sg with ESMTP id <20060124235508.EKZE28656.maxwell2.pacific.net.sg@[192.168.0.107]>; Wed, 25 Jan 2006 07:55:08 +0800 Message-ID: <43D6BE24.40604@pacific.net.sg> Date: Wed, 25 Jan 2006 07:54:12 +0800 From: Erich Dollansky Organization: oceanare pte ltd User-Agent: Thunderbird 1.5 (X11/20060112) MIME-Version: 1.0 To: Ken Gunderson References: <20060124110334.40e81208.kgunders@teamcool.net> In-Reply-To: <20060124110334.40e81208.kgunders@teamcool.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-amd64@freebsd.org Subject: Re: dual vs single core opteron 100's X-BeenThere: freebsd-amd64@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the AMD64 platform List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Jan 2006 23:55:12 -0000 Hi, Ken Gunderson wrote: > > fwiw- my friend asserts it will ALWAYS be the faster single core because > of context switches and dual cores are optimized for highly multi- the calculations will be faster but not the response. The second core will handle mouse and keyboard while the first does the computation. A average user will always believe a dual 1 GHz machine is faster than a single CPU 3 GHz machine as long as there is no complex computation. Erich