From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932625Ab3G3Jn2 (ORCPT ); Tue, 30 Jul 2013 05:43:28 -0400 Received: from merlin.infradead.org ([205.233.59.134]:41638 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932537Ab3G3Jde (ORCPT ); Tue, 30 Jul 2013 05:33:34 -0400 Date: Tue, 30 Jul 2013 11:33:21 +0200 From: Peter Zijlstra To: Srikar Dronamraju Cc: Mel Gorman , Ingo Molnar , Andrea Arcangeli , Johannes Weiner , Linux-MM , LKML , Preeti U Murthy , Linus Torvalds Subject: Re: [RFC PATCH 00/10] Improve numa scheduling by consolidating tasks Message-ID: <20130730093321.GO3008@twins.programming.kicks-ass.net> References: <1375170505-5967-1-git-send-email-srikar@linux.vnet.ibm.com> <20130730081755.GF3008@twins.programming.kicks-ass.net> <20130730082001.GG3008@twins.programming.kicks-ass.net> <20130730091542.GA28656@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130730091542.GA28656@linux.vnet.ibm.com> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 30, 2013 at 02:45:43PM +0530, Srikar Dronamraju wrote: > Can you please suggest workloads that I could try which might showcase > why you hate pure process based approach? 2 processes, 1 sysvshm segment. I know there's multi-process MPI libraries out there. Something like: perf bench numa mem -p 2 -G 4096 -0 -z --no-data_rand_walk -Z