From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx185.postini.com [74.125.245.185]) by kanga.kvack.org (Postfix) with SMTP id 686E16B0074 for ; Wed, 21 Nov 2012 13:00:17 -0500 (EST) Received: from /spool/local by e8.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 21 Nov 2012 13:00:16 -0500 Received: from d01relay07.pok.ibm.com (d01relay07.pok.ibm.com [9.56.227.147]) by d01dlp01.pok.ibm.com (Postfix) with ESMTP id 3417638C8065 for ; Wed, 21 Nov 2012 12:59:34 -0500 (EST) Received: from d03av03.boulder.ibm.com (d03av03.boulder.ibm.com [9.17.195.169]) by d01relay07.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id qALHxLS451970262 for ; Wed, 21 Nov 2012 12:59:22 -0500 Received: from d03av03.boulder.ibm.com (loopback [127.0.0.1]) by d03av03.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id qALHxJDl017390 for ; Wed, 21 Nov 2012 10:59:20 -0700 Subject: Re: numa/core regressions fixed - more testers wanted From: Andrew Theurer Reply-To: habanero@linux.vnet.ibm.com In-Reply-To: References: <1353291284-2998-1-git-send-email-mingo@kernel.org> <20121119162909.GL8218@suse.de> <20121119191339.GA11701@gmail.com> <20121119211804.GM8218@suse.de> <20121119223604.GA13470@gmail.com> <20121120071704.GA14199@gmail.com> <20121120152933.GA17996@gmail.com> <20121120175647.GA23532@gmail.com> <1353462853.31820.93.camel@oc6622382223.ibm.com> <50AC4912.7040503@redhat.com> Content-Type: text/plain; charset="UTF-8" Date: Wed, 21 Nov 2012 11:59:16 -0600 Message-ID: <1353520756.31820.99.camel@oc6622382223.ibm.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Hugh Dickins Cc: Rik van Riel , Ingo Molnar , Linus Torvalds , 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 On Tue, 2012-11-20 at 20:10 -0800, Hugh Dickins wrote: > On Tue, 20 Nov 2012, Rik van Riel wrote: > > On 11/20/2012 08:54 PM, Andrew Theurer wrote: > > > > > I can confirm single JVM JBB is working well for me. I see a 30% > > > improvement over autoNUMA. What I can't make sense of is some perf > > > stats (taken at 80 warehouses on 4 x WST-EX, 512GB memory): > > > > AutoNUMA does not have native THP migration, that may explain some > > of the difference. > > When I made some fixes to the sched/numa native THP migration, > I did also try porting that (with Hannes's memcg fixes) to AutoNUMA. > > Here's the patch below: it appeared to be working just fine, but > you might find that it doesn't quite apply to whatever tree you're > using. I started from 3.6 autonuma28fast in aa.git, but had folded > in some of the equally applicable TLB flush optimizations too. > > There's also a little "Hack, remove after THP native migration" > retuning in mm/huge_memory.c which should probably be removed too. Thanks, this worked for me. The autoNUMA SPECjbb result is now much closer, just 4% lower than the numa/core result. The number of anon and anon-huge pages are now nearly the same. -Andrew Theurer -- 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