From owner-freebsd-questions@FreeBSD.ORG Thu Jan 12 14:20:33 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 D641E16A420 for ; Thu, 12 Jan 2006 14:20:33 +0000 (GMT) (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 B514443D66 for ; Thu, 12 Jan 2006 14:19:42 +0000 (GMT) (envelope-from danial_thom@yahoo.com) Received: (qmail 91322 invoked by uid 60001); 12 Jan 2006 14:19:25 -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:Cc:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=v4RoyU0Z9OhyFb1GUyJ+2toSJRr9atvshKY4jJU7El5LetU63ylxWrjV8Qno0mms5lZZAZ3J+p03GPlO3IZaIgJ8pbOsn8vBv6yUjGuvHk8/aG4NeTU6+FbHdsq1I8y85cZ3Heo46kIby15FpgDlNDeNA2MIK/DpDwR4SX8UPWA= ; Message-ID: <20060112141925.91320.qmail@web33307.mail.mud.yahoo.com> Received: from [24.46.186.215] by web33307.mail.mud.yahoo.com via HTTP; Thu, 12 Jan 2006 06:19:25 PST Date: Thu, 12 Jan 2006 06:19:25 -0800 (PST) From: Danial Thom To: Martin Cracauer , "Marc G. Fournier" In-Reply-To: <20060111191224.A93090@cons.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Cc: freebsd-questions@freebsd.org Subject: Re: Dual Core vs HyperThreading vs Dual CPU 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: Thu, 12 Jan 2006 14:20:34 -0000 --- Martin Cracauer wrote: > Marc G. Fournier wrote on Tue, Jan 10, 2006 at > 12:52:24PM -0400: > > > > I'm going to assume that Dual Core is better > (can't believe that they took > > a step back) ... but, is how does it rate? I > know that HyperThreading is > > definitely != Dual CPU ... but how close does > Dual Core get? > > It is the real thing, at least when it comes to > AMD64 and > Netburst-based Intel dual-cores. Every core > has a full set of own > caches just like dual CPU. Yonah (dual-core > Pentium-M) has a shared > L2 cache. > > I have benchmarks comparing dual-core 939 > socket systems against dual > 940 socket systems here: > http://cracauer-forum.cons.org/forum/crabench.html Just a question about your benches, any reason you just don't ship files to /dev/null? That was always the standard in unix to get the disk out of it. DT __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com