From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx203.postini.com [74.125.245.203]) by kanga.kvack.org (Postfix) with SMTP id 4855A6B0072 for ; Wed, 21 Nov 2012 12:45:46 -0500 (EST) Message-ID: <50AD1333.7070900@redhat.com> Date: Wed, 21 Nov 2012 12:45:23 -0500 From: Rik van Riel MIME-Version: 1.0 Subject: Re: [PATCH 00/27] Latest numa/core release, v16 References: <1353291284-2998-1-git-send-email-mingo@kernel.org> <20121119162909.GL8218@suse.de> <20121120060014.GA14065@gmail.com> <20121120074445.GA14539@gmail.com> <20121120090637.GA14873@gmail.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Linus Torvalds Cc: Ingo Molnar , David Rientjes , Mel Gorman , Linux Kernel Mailing List , linux-mm , Peter Zijlstra , Paul Turner , Lee Schermerhorn , Christoph Lameter , Andrew Morton , Andrea Arcangeli , Thomas Gleixner , Johannes Weiner , Hugh Dickins On 11/21/2012 12:02 PM, Linus Torvalds wrote: > The same is true of all your arguments about Mel's numbers wrt THP > etc. Your arguments are misleading - either intentionally, of because > you yourself didn't think things through. For schednuma, it's not > enough to be par with mainline with THP off - the competition > (autonuma) has been beating mainline soundly in Mel's configuration. > So the target to beat is not mainline, but the much *higher* > performance that autonuma got. Once the numa base patches are upstream, the bar will be raised automatically. With the same infrastructure in place, we will be able to do an apples to apples comparison of the NUMA placement policies, and figure out which one will be the best to merge. -- All rights reversed -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755440Ab2KURp4 (ORCPT ); Wed, 21 Nov 2012 12:45:56 -0500 Received: from mx1.redhat.com ([209.132.183.28]:39596 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754273Ab2KURpz (ORCPT ); Wed, 21 Nov 2012 12:45:55 -0500 Message-ID: <50AD1333.7070900@redhat.com> Date: Wed, 21 Nov 2012 12:45:23 -0500 From: Rik van Riel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120827 Thunderbird/15.0 MIME-Version: 1.0 To: Linus Torvalds CC: Ingo Molnar , David Rientjes , Mel Gorman , Linux Kernel Mailing List , linux-mm , Peter Zijlstra , Paul Turner , Lee Schermerhorn , Christoph Lameter , Andrew Morton , Andrea Arcangeli , Thomas Gleixner , Johannes Weiner , Hugh Dickins Subject: Re: [PATCH 00/27] Latest numa/core release, v16 References: <1353291284-2998-1-git-send-email-mingo@kernel.org> <20121119162909.GL8218@suse.de> <20121120060014.GA14065@gmail.com> <20121120074445.GA14539@gmail.com> <20121120090637.GA14873@gmail.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/21/2012 12:02 PM, Linus Torvalds wrote: > The same is true of all your arguments about Mel's numbers wrt THP > etc. Your arguments are misleading - either intentionally, of because > you yourself didn't think things through. For schednuma, it's not > enough to be par with mainline with THP off - the competition > (autonuma) has been beating mainline soundly in Mel's configuration. > So the target to beat is not mainline, but the much *higher* > performance that autonuma got. Once the numa base patches are upstream, the bar will be raised automatically. With the same infrastructure in place, we will be able to do an apples to apples comparison of the NUMA placement policies, and figure out which one will be the best to merge. -- All rights reversed