From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754842AbdDMPQw (ORCPT ); Thu, 13 Apr 2017 11:16:52 -0400 Received: from mx1.redhat.com ([209.132.183.28]:49274 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754263AbdDMPQt (ORCPT ); Thu, 13 Apr 2017 11:16:49 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 18198C00AFB3 Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=riel@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 18198C00AFB3 Message-ID: <1492096602.2896.4.camel@redhat.com> Subject: Re: [RFC 2/3] sched/topology: fix sched groups on NUMA machines with mesh topology From: Rik van Riel To: Lauro Ramos Venancio , linux-kernel@vger.kernel.org Cc: lwang@redhat.com, Mike Galbraith , Peter Zijlstra , Thomas Gleixner , Ingo Molnar Date: Thu, 13 Apr 2017 11:16:42 -0400 In-Reply-To: <1492091769-19879-3-git-send-email-lvenanci@redhat.com> References: <1492091769-19879-1-git-send-email-lvenanci@redhat.com> <1492091769-19879-3-git-send-email-lvenanci@redhat.com> Organization: Red Hat, Inc. Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Thu, 13 Apr 2017 15:16:44 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2017-04-13 at 10:56 -0300, Lauro Ramos Venancio wrote: >  > SPECjbb2005 results on an 8 NUMA nodes machine with mesh topology > > Threads       before              after          % >            mean   stddev      mean    stddev >   1       22801   1950        27059   1367     +19% >   8       146008  50782       209193  826      +43% >   32      351030  105111      522445  9051     +49% >   48      365835  116571      594905  3314     +63% Impressive! > [1] http://www.ece.ubc.ca/~sasha/papers/eurosys16-final29.pdf > > Signed-off-by: Lauro Ramos Venancio Acked-by: Rik van Riel