From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 17 Oct 2002 03:55:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 17 Oct 2002 03:55:49 -0400 Received: from packet.digeo.com ([12.110.80.53]:46746 "EHLO packet.digeo.com") by vger.kernel.org with ESMTP id ; Thu, 17 Oct 2002 03:55:48 -0400 Message-ID: <3DAE6E63.EFAF0F80@digeo.com> Date: Thu, 17 Oct 2002 01:01:39 -0700 From: Andrew Morton X-Mailer: Mozilla 4.79 [en] (X11; U; Linux 2.5.42 i686) X-Accept-Language: en MIME-Version: 1.0 To: Con Kolivas CC: linux kernel mailing list Subject: Re: [BENCHMARK] 2.5.43-mm2 with contest References: <1034840438.3dae6976a93fb@kolivas.net> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 17 Oct 2002 08:01:40.0268 (UTC) FILETIME=[6CAD2EC0:01C275B3] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Con Kolivas wrote: > > Here are the updated benchmarks with contest v0.51 (http://contest.kolivas.net) > showing the change from -mm1 to -mm2. Other results removed for clarity. > > noload: > Kernel [runs] Time CPU% Loads LCPU% Ratio > 2.4.18 [3] 71.8 93 0 0 1.01 > 2.5.43 [2] 74.6 92 0 0 1.04 > 2.5.43-mm1 [4] 74.9 93 0 0 1.05 > 2.5.43-mm2 [2] 73.4 93 0 0 1.03 Would be interesting to run blockdev --setra 1024 /dev/hdXX here. We're getting more idle time with 2.5 and that can only be due to disk wait - the IO scheduler changes. This might make a small difference. > ... > Removal of per-cpu pages patch does not seem to have been detrimental to contest > benchmarks at least - perhaps this is responsible for the noload being better now? Well that code is still there. I'd expect a very small benefit from it in this testing.