Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 26 Feb 2003 13:14:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 26 Feb 2003 13:13:39 -0500 Received: from franka.aracnet.com ([216.99.193.44]:15232 "EHLO franka.aracnet.com") by vger.kernel.org with ESMTP id ; Wed, 26 Feb 2003 13:13:00 -0500 Date: Wed, 26 Feb 2003 10:23:09 -0800 From: "Martin J. Bligh" To: Andi Kleen , lse-tech@projects.sourceforge.net, akpm@digeo.com cc: linux-kernel@vger.kernel.org Subject: Re: [Lse-tech] [PATCH] New dcache / inode hash tuning patch Message-ID: <15730000.1046283789@[10.10.2.4]> In-Reply-To: <20030226164904.GA21342@wotan.suse.de> References: <20030226164904.GA21342@wotan.suse.de> X-Mailer: Mulberry/2.2.1 (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 Content-Length: 3116 Lines: 81 It actually seems a fraction slower (see systimes for Kernbench-16, for instance). Kernbench-2: (make -j N vmlinux, where N = 2 x num_cpus) Elapsed User System CPU 2.5.62-mjb3 43.92 557.65 94.12 1483.50 2.5.62-mjb3-andi 44.28 557.90 95.79 1475.67 Kernbench-16: (make -j N vmlinux, where N = 16 x num_cpus) Elapsed User System CPU 2.5.62-mjb3 45.21 560.46 114.58 1492.67 2.5.62-mjb3-andi 45.39 561.29 117.73 1495.67 DISCLAIMER: SPEC(tm) and the benchmark name SDET(tm) are registered trademarks of the Standard Performance Evaluation Corporation. This benchmarking was performed for research purposes only, and the run results are non-compliant and not-comparable with any published results. Results are shown as percentages of the first set displayed SDET 1 (see disclaimer) Throughput Std. Dev 2.5.62-mjb3 100.0% 3.1% 2.5.62-mjb3-andi 101.8% 6.6% SDET 2 (see disclaimer) Throughput Std. Dev 2.5.62-mjb3 100.0% 4.0% 2.5.62-mjb3-andi 96.4% 4.8% SDET 4 (see disclaimer) Throughput Std. Dev 2.5.62-mjb3 100.0% 2.0% 2.5.62-mjb3-andi 100.4% 2.4% SDET 8 (see disclaimer) Throughput Std. Dev 2.5.62-mjb3 100.0% 4.6% 2.5.62-mjb3-andi 100.3% 2.3% SDET 16 (see disclaimer) Throughput Std. Dev 2.5.62-mjb3 100.0% 2.7% 2.5.62-mjb3-andi 96.6% 4.3% SDET 32 (see disclaimer) Throughput Std. Dev 2.5.62-mjb3 100.0% 0.9% 2.5.62-mjb3-andi 97.0% 2.1% SDET 64 (see disclaimer) Throughput Std. Dev 2.5.62-mjb3 100.0% 1.1% 2.5.62-mjb3-andi 100.2% 0.6% Diffprofile (+ worse with your patch, - better) 500 3.1% total 138 6.9% .text.lock.file_table 103 2.2% default_idle 73 9.3% d_lookup 50 11.0% __copy_to_user_ll 45 27.4% file_move 40 28.2% path_lookup ... -7 -3.9% do_schedule -9 -2.0% get_empty_filp -10 -8.6% dput -10 -9.8% link_path_walk That text.lock.file_table has been bugging me for a bit, and I need to drill down into it some more. M. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/