Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932375AbWBFUWx (ORCPT ); Mon, 6 Feb 2006 15:22:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932377AbWBFUWx (ORCPT ); Mon, 6 Feb 2006 15:22:53 -0500 Received: from omx2-ext.sgi.com ([192.48.171.19]:59780 "EHLO omx2.sgi.com") by vger.kernel.org with ESMTP id S932363AbWBFUWw (ORCPT ); Mon, 6 Feb 2006 15:22:52 -0500 Date: Mon, 6 Feb 2006 12:22:31 -0800 From: Paul Jackson To: Ingo Molnar Cc: akpm@osdl.org, dgc@sgi.com, steiner@sgi.com, Simon.Derr@bull.net, ak@suse.de, linux-kernel@vger.kernel.org, clameter@sgi.com Subject: Re: [PATCH 1/5] cpuset memory spread basic implementation Message-Id: <20060206122231.04878dda.pj@sgi.com> In-Reply-To: <20060206084001.GA5600@elte.hu> References: <20060204071910.10021.8437.sendpatchset@jackhammer.engr.sgi.com> <20060204154944.36387a86.akpm@osdl.org> <20060205203358.1fdcea43.akpm@osdl.org> <20060205215052.c5ab1651.pj@sgi.com> <20060205220204.194ba477.akpm@osdl.org> <20060206061743.GA14679@elte.hu> <20060205232253.ddbf02d7.pj@sgi.com> <20060206074334.GA28035@elte.hu> <20060206001959.394b33bc.pj@sgi.com> <20060206082258.GA1991@elte.hu> <20060206084001.GA5600@elte.hu> Organization: SGI X-Mailer: Sylpheed version 2.1.7 (GTK+ 2.4.9; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1039 Lines: 24 Ingo wrote: > in other words: the spreading out likely _hurts_ performance in the > typical case (which prefers node-locality), but when you are using > multiple cpusets you want to opt for fairness between projects, over > opportunistic optimizations such as node-local allocations. Spreading might be useful for this, but it is not what is driving my interest in it. My immediate goal is to obtain spreading across the nodes within of a single cpuset, running a single job, not "fairness between projects." I have little interest in cross (between) project memory management beyond simply isolating them from each other. -- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson 1.925.600.0401 - 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/