From owner-freebsd-questions@FreeBSD.ORG Wed Jan 11 19:42:33 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 A60FB16A41F for ; Wed, 11 Jan 2006 19:42:33 +0000 (GMT) (envelope-from gerard@seibercom.net) Received: from smtp2.suscom.net (smtp2.suscom.net [64.78.83.231]) by mx1.FreeBSD.org (Postfix) with ESMTP id 05BF743D49 for ; Wed, 11 Jan 2006 19:42:32 +0000 (GMT) (envelope-from gerard@seibercom.net) Received: from localhost (smtp2.suscom.net [127.0.0.1]) by smtp2.suscom.net (Postfix) with ESMTP id C2AC31CDC9E for ; Wed, 11 Jan 2006 14:39:48 -0500 (EST) Received: from smtp2.suscom.net ([127.0.0.1]) by localhost (smtp2 [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 00968-02 for ; Wed, 11 Jan 2006 14:39:40 -0500 (EST) Received: from seibercom.net (ip148.217.susc.suscom.net [216.45.217.148]) by smtp2.suscom.net (Postfix) with SMTP id 6024A1CDCFC for ; Wed, 11 Jan 2006 14:33:25 -0500 (EST) Received: from [192.168.0.2] (budman [192.168.0.2]) by seibercom.net (8.13.4/8.13.4) with ESMTP id k0BJa6KH041323 for ; Wed, 11 Jan 2006 14:36:06 -0500 (EST) (envelope-from gerard@seibercom.net) Date: Wed, 11 Jan 2006 14:36:08 -0500 From: Gerard Seibert To: freebsd-questions@freebsd.org Sender: gerard@seibercom.net Organization: Seibercom.net In-Reply-To: <20060111150356.60259.qmail@web33311.mail.mud.yahoo.com> References: <20060111150356.60259.qmail@web33311.mail.mud.yahoo.com> X-Face: "\j?x](l|]4p?-1Bf@!wN<&p=$.}^k-HgL}cJKbQZ3r#Ar]\%U(#6}'?<3s7%(%(gxJxxcR nSNPNr*/^~StawWU9KDJ-CT0k$f#@t2^K&BS_f|?ZV/.7Q Message-Id: <20060111143450.1D2E.GERARD@seibercom.net> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Mailer: Becky! ver. 2.24.01 [en] X-Virus-Scanned: ClamAV 0.87.1/1238/Wed Jan 11 05:19:06 2006 on seibercom.net X-Virus-Status: Clean X-Virus-Scanned: by amavisd-new at suscom.net 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: freebsd-questions@freebsd.org List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Jan 2006 19:42:33 -0000 Danial Thom > > > --- "Andrew P." wrote: > > > On 1/10/06, Marc G. Fournier > > wrote: > > > > > > 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? > > > > There is extensive evidence (google for that, > > please), that > > HT is even slower than a single core in quite a > > few applications. > > Moreover, the whole HT implementation has been > > shown to > > be a security risk. In the near future intel is > > going to spend $1.9bn > > on its new marketing campaign. If you wanna be > > part of it, > > buy their CPU, half of the money will be in > > your nearest billboard. > > > > Dual-core is a new, and a very smart concept, > > which is exactly > > equal to a dual-cpu configuration in terms of > > performance per > > core - plus it provides a huge cut down on > > power consumption, > > and a theoretically hugely faster > > interconnection between the > > cores (they are physically many times closer). > > Thats not entirely true, as its not *exactly* the > same. It looks the same to an O/S, but things are > wire differently, so there are likely to be some > differences. > > > > > By 2010 we'll see 4-core, 8-core and maybe even > > 16/32 solutions. > > Intel has implied that they will have > multi-multicore processors (more then 2) a lot > sooner than you think. But for now the multicore > thing is just marketing hype because most O/Ses > don't utilize DP efficiently enough to make the > gains worthwhile. You'll likely see more urgency > to produce them when OS'es can actually benefit > from them. Most people today who use DP system > just "assume" they are faster or better without > having any real clue if they are or not. > > DT > Dell has a graphic display of the difference between its processors available at: http://www1.us.dell.com/content/topics/topic.aspx/global/products/dimen/topics/en/dimen_xps600_sp_specs?c=us&cs=19&l=en&s=dhs Click on "Tech Specs" to view it. -- Gerard Seibert gerard@seibercom.net