From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D6AA4C43143 for ; Mon, 1 Oct 2018 15:41:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9B9FC2089A for ; Mon, 1 Oct 2018 15:41:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9B9FC2089A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=surriel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726256AbeJAWTt (ORCPT ); Mon, 1 Oct 2018 18:19:49 -0400 Received: from shelob.surriel.com ([96.67.55.147]:47432 "EHLO shelob.surriel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725740AbeJAWTs (ORCPT ); Mon, 1 Oct 2018 18:19:48 -0400 Received: from imladris.surriel.com ([96.67.55.152]) by shelob.surriel.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1g70K4-0007KU-Hv; Mon, 01 Oct 2018 11:41:24 -0400 Message-ID: <211a65a21d69ed8d358f3638d02c3f6ee63d3426.camel@surriel.com> Subject: Re: [PATCH 2/2] mm, numa: Migrate pages to local nodes quicker early in the lifetime of a task From: Rik van Riel To: Mel Gorman , Peter Zijlstra Cc: Ingo Molnar , Srikar Dronamraju , Jirka Hladky , LKML , Linux-MM Date: Mon, 01 Oct 2018 11:41:24 -0400 In-Reply-To: <20181001100525.29789-3-mgorman@techsingularity.net> References: <20181001100525.29789-1-mgorman@techsingularity.net> <20181001100525.29789-3-mgorman@techsingularity.net> Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-bPx8Hj1pWOxURgOTygS/" X-Mailer: Evolution 3.28.5 (3.28.5-1.fc28) Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-bPx8Hj1pWOxURgOTygS/ Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, 2018-10-01 at 11:05 +0100, Mel Gorman wrote: > With this patch applied, STREAM performance is the same as 4.17 even > though > processes are not spread cross-node prematurely. Other workloads > showed > a mix of minor gains and losses. This is somewhat expected most > workloads > are not very sensitive to the starting conditions of a process. >=20 > 4.19.0-rc5 4.19.0- > rc5 4.17.0 > numab-v1r1 fastmigrate- > v1r1 vanilla > MB/sec copy 43298.52 ( 0.00%) 47335.46 > ( 9.32%) 47219.24 ( 9.06%) > MB/sec scale 30115.06 ( 0.00%) 32568.12 > ( 8.15%) 32527.56 ( 8.01%) > MB/sec add 32825.12 ( 0.00%) 36078.94 > ( 9.91%) 35928.02 ( 9.45%) > MB/sec triad 32549.52 ( 0.00%) 35935.94 > ( 10.40%) 35969.88 ( 10.51%) >=20 > Signed-off-by: Mel Gorman Reviewed-by: Rik van Riel --=20 All Rights Reversed. --=-bPx8Hj1pWOxURgOTygS/ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEKR73pCCtJ5Xj3yADznnekoTE3oMFAluyQCQACgkQznnekoTE 3oOjhggAhKHjjlZ5+V2k2HFgnNIwP0BIaJIGI1w/SNNWSoK5lA33XfRVtj1u64Un f4Vv8MS7uc/zThlSck2OOnXN29+oDv9xsYdjqk+8EpWELMcaMnmkgBKke82ftMaO Y+kozORrA7iBMmghlnULz4cmg5VGNEWcGyewakvY9arezLd1GjIWPpbTnR4dZogw QFyOjzRkLdsIdXo/gA5WFv6G98M3vTO6Bv14wbvEsQ1HVq3COJGCJgoXcAepIvxa BUrwOG4OnjWwJFO+RjgyZW4imK59IZAdEBXiCCJLpyBzCHdn3nvAgHH8ph9hq82g GtxME+JN5Z37IapgSQY7DOv5QumKCg== =4kM/ -----END PGP SIGNATURE----- --=-bPx8Hj1pWOxURgOTygS/--