From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267509AbUHDXfO (ORCPT ); Wed, 4 Aug 2004 19:35:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267510AbUHDXfO (ORCPT ); Wed, 4 Aug 2004 19:35:14 -0400 Received: from e6.ny.us.ibm.com ([32.97.182.106]:61852 "EHLO e6.ny.us.ibm.com") by vger.kernel.org with ESMTP id S267509AbUHDXfF (ORCPT ); Wed, 4 Aug 2004 19:35:05 -0400 Date: Wed, 04 Aug 2004 16:34:12 -0700 From: "Martin J. Bligh" To: Ingo Molnar cc: Andrew Morton , kernel@kolivas.org, linux-kernel@vger.kernel.org, Rick Lindsley Subject: Re: 2.6.8-rc2-mm2 performance improvements (scheduler?) Message-ID: <235040000.1091662452@flay> In-Reply-To: <20040804213113.GA29434@elte.hu> References: <20040804122414.4f8649df.akpm@osdl.org> <211490000.1091648060@flay> <20040804201019.GA25908@elte.hu> <216720000.1091651795@flay> <20040804213113.GA29434@elte.hu> X-Mailer: Mulberry/2.1.2 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --On Wednesday, August 04, 2004 23:31:13 +0200 Ingo Molnar wrote: > > * Martin J. Bligh wrote: > >> > Martin, could you try 2.6.8-rc2-mm2 with staircase-cpu-scheduler >> > unapplied a re-run at least part of your tests? >> > >> > there are a number of NUMA improvements queued up on -mm, and it would >> > be nice to know what effect these cause, and what effect the staircase >> > scheduler has. >> >> Sure. I presume it's just the one patch: >> >> staircase-cpu-scheduler-268-rc2-mm1.patch >> >> which seemed to back out clean and is building now. Scream if that's >> not all of it ... > > correct, that's the end of the scheduler patch-queue and it works fine > if unapplied. (The schedstats patch i just sent applies cleanly to that > base, in case you need one.) OK, the perf of 2.6.8-rc2-mm2 with the new sched code backed out is exactly the same as 2.6.8-rc2 ... ie it's definitely the new sched code that makes the improvement. M.