Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263546AbTICQjH (ORCPT ); Wed, 3 Sep 2003 12:39:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263532AbTICQjG (ORCPT ); Wed, 3 Sep 2003 12:39:06 -0400 Received: from dsl093-172-075.pit1.dsl.speakeasy.net ([66.93.172.75]:31617 "EHLO marta.kurtwerks.com") by vger.kernel.org with ESMTP id S263973AbTICQhu (ORCPT ); Wed, 3 Sep 2003 12:37:50 -0400 Date: Wed, 3 Sep 2003 12:37:28 -0400 From: Kurt Wall To: linux-kernel@vger.kernel.org Subject: Re: Scaling noise Message-ID: <20030903163728.GB23996@kurtwerks.com> References: <20030903040327.GA10257@work.bitmover.com> <20030903041850.GA2978@krispykreme> <20030903042953.GC10257@work.bitmover.com> <20030903043355.GC2019@zip.com.au> <20030903050859.GD10257@work.bitmover.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030903050859.GD10257@work.bitmover.com> User-Agent: Mutt/1.4i X-Operating-System: Linux 2.4.21-krw X-Woot: Woot! Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 682 Lines: 20 Quoth Larry McVoy: [SMP hits memory latency wall] > 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? Isn't this what NUMA is for, then? Kurt -- "There was a boy called Eustace Clarence Scrubb, and he almost deserved it." -- C. S. Lewis, The Chronicles of Narnia - 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/