Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261688AbVAMVab (ORCPT ); Thu, 13 Jan 2005 16:30:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261709AbVAMV2v (ORCPT ); Thu, 13 Jan 2005 16:28:51 -0500 Received: from quechua.inka.de ([193.197.184.2]:1500 "EHLO mail.inka.de") by vger.kernel.org with ESMTP id S261688AbVAMVYK (ORCPT ); Thu, 13 Jan 2005 16:24:10 -0500 From: Bernd Eckenfels To: linux-kernel@vger.kernel.org Subject: Re: NUMA or not on dual Opteron Organization: Deban GNU/Linux Homesite In-Reply-To: <20050113094537.GB2547@favonius> X-Newsgroups: ka.lists.linux.kernel User-Agent: tin/1.7.6-20040906 ("Baleshare") (UNIX) (Linux/2.6.8.1 (i686)) Message-Id: Date: Thu, 13 Jan 2005 22:24:07 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 713 Lines: 18 In article <20050113094537.GB2547@favonius> you wrote: > I was under the impression that NUMA is useful on > 2-way systems only. > Is this true, and if not, under what circumstances is NUMA useful on > 2-way Opteron systems? NUMA is good for all situations where you have more than one CPU and the CPUs have different access speeds for some parts of the memory (i.e. cpu local memory). This is true for SMP Opterons, not for the usual Intel Boards. Greetings Bernd y - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/