From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263430AbTICGM3 (ORCPT ); Wed, 3 Sep 2003 02:12:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263447AbTICGM3 (ORCPT ); Wed, 3 Sep 2003 02:12:29 -0400 Received: from quechua.inka.de ([193.197.184.2]:51913 "EHLO mail.inka.de") by vger.kernel.org with ESMTP id S263430AbTICGM2 (ORCPT ); Wed, 3 Sep 2003 02:12:28 -0400 From: Bernd Eckenfels To: linux-kernel@vger.kernel.org Subject: Re: Scaling noise In-Reply-To: <20030903050859.GD10257@work.bitmover.com> X-Newsgroups: ka.lists.linux.kernel User-Agent: tin/1.5.19-20030610 ("Darts") (UNIX) (Linux/2.4.20-xfs (i686)) Message-Id: Date: Wed, 03 Sep 2003 08:12:25 +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org In article <20030903050859.GD10257@work.bitmover.com> you wrote: > It's called asymptotic behavior. After a while you can look at the graph > and see that more CPUs on the same memory doesn't make sense. It hasn't > made sense for a decade, what makes anyone think that is changing? Thats why NUMA gets so popular. Larry, dont forget, that Linux is growing in the University Labs, where those big NUMA and Multi-Node Clusters are most popular for Number Crunching. Greetings Bernd -- eckes privat - http://www.eckes.org/ Project Freefire - http://www.freefire.org/