Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262366AbVAOXms (ORCPT ); Sat, 15 Jan 2005 18:42:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262367AbVAOXms (ORCPT ); Sat, 15 Jan 2005 18:42:48 -0500 Received: from ookhoi.xs4all.nl ([213.84.114.66]:39632 "EHLO favonius.humilis.net") by vger.kernel.org with ESMTP id S262366AbVAOXmo (ORCPT ); Sat, 15 Jan 2005 18:42:44 -0500 Date: Sun, 16 Jan 2005 00:42:58 +0100 From: Sander To: linux-kernel@vger.kernel.org Subject: Re: NUMA or not on dual Opteron Message-ID: <20050115234258.GA29376@favonius> Reply-To: sander@humilis.net References: <200501121824.44327.rathamahata@ehouse.ru> <20050113094537.GB2547@favonius> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Uptime: 00:38:22 up 10:07, 24 users, load average: 1.04, 1.09, 1.06 User-Agent: Mutt/1.5.6+20040907i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 892 Lines: 24 Andi Kleen wrote (ao): > Sander writes: > > 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? > > I don't know who gave you this impression, but it's wrong. Using a > NUMA aware kernel is an advantage under many workloads on a 2way > Opteron system. > > > In other words: why should one want NUMA to be enabled or disabled for > > dual Opteron? > > Because it is faster. I want to thank all who replied. The answers were similar to the above. I'll update the impression. Kind regards, Sander - 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/