From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 3 Mar 2003 18:31:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 3 Mar 2003 18:31:00 -0500 Received: from e32.co.us.ibm.com ([32.97.110.130]:50585 "EHLO e32.co.us.ibm.com") by vger.kernel.org with ESMTP id ; Mon, 3 Mar 2003 18:30:58 -0500 Date: Mon, 03 Mar 2003 15:30:18 -0800 From: "Martin J. Bligh" To: William Lee Irwin III cc: linux-kernel@vger.kernel.org Subject: Re: percpu-2.5.63-bk5-1 (properly generated) Message-ID: <560080000.1046734218@flay> In-Reply-To: <20030303225115.GP1195@holomorphy.com> References: <20030302202451.GJ1195@holomorphy.com> <50380000.1046637959@[10.10.2.4]> <20030302210606.GS24172@holomorphy.com> <85980000.1046642338@[10.10.2.4]> <20030302221037.GK1195@holomorphy.com> <87420000.1046646801@[10.10.2.4]> <20030302234252.GL1195@holomorphy.com> <88060000.1046650020@[10.10.2.4]> <20030303014320.GM1195@holomorphy.com> <29220000.1046713200@[10.10.2.4]> <20030303225115.GP1195@holomorphy.com> 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 >> OK, that seems to get rid of the SDET degradation, but I rigged up the >> same test you were doing (make -j) and see only marginal improvement >> from the full patch (pernode2) ... not the 6s you were seeing. >> -pernode2 was your full patch with the fix you sent, -pernode3 was the >> smaller patch you sent last. Can you try to reproduce the improvment >> were seeing, and grab a before and after profile? I don't seem to be >> able to replicate it. > > Then there must have been something important in the new per_cpu users. -pernode2 had all your changes ... but I still don't see anything like the order of magnitude of benefit you were seeing. M.