From owner-freebsd-current@FreeBSD.ORG Thu May 7 16:22:57 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 133D01065670 for ; Thu, 7 May 2009 16:22:57 +0000 (UTC) (envelope-from roberto@keltia.freenix.fr) Received: from keltia.freenix.fr (keltia.freenix.org [IPv6:2001:660:330f:f820:213:72ff:fe15:f44]) by mx1.freebsd.org (Postfix) with ESMTP id 9F3C88FC1C for ; Thu, 7 May 2009 16:22:56 +0000 (UTC) (envelope-from roberto@keltia.freenix.fr) Received: from localhost (localhost [127.0.0.1]) by keltia.freenix.fr (Postfix/TLS) with ESMTP id 5F0A83B811; Thu, 7 May 2009 18:22:55 +0200 (CEST) X-Virus-Scanned: amavisd-new at keltia.freenix.fr Received: from keltia.freenix.fr ([127.0.0.1]) by localhost (keltia.freenix.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id to4PaABNzTOY; Thu, 7 May 2009 18:22:55 +0200 (CEST) Received: from rron.local (unknown [137.122.68.155]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: roberto) by keltia.freenix.fr (Postfix/TLS) with ESMTPSA id 64DA83AAF0; Thu, 7 May 2009 18:22:54 +0200 (CEST) Message-ID: <4A030ADB.9050802@keltia.freenix.fr> Date: Thu, 07 May 2009 18:22:51 +0200 From: Ollivier Robert User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.1b5pre) Gecko/20090506 Shredder/3.0b3pre MIME-Version: 1.0 To: Bob Bishop References: <270637.78561.qm@web63905.mail.re1.yahoo.com> <32413E83-2059-4A47-AB45-EA7A1A509DD6@gid.co.uk> In-Reply-To: <32413E83-2059-4A47-AB45-EA7A1A509DD6@gid.co.uk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-current@freebsd.org Subject: Re: Hypertherading X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 May 2009 16:22:57 -0000 On 7/05/2009 10:17, Bob Bishop wrote: > AFAICS the reference doesn't support that conclusion at all. Nehalem CPUs'HT feature is significantly different from the one present in previous P4 CPUs. Apparently, Nehalem's HT works. Memory bandwidth being much higher helps too. -- Ollivier Robert -=- roberto@keltia.freenix.fr