From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755955AbYCNPzW (ORCPT ); Fri, 14 Mar 2008 11:55:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751242AbYCNPzJ (ORCPT ); Fri, 14 Mar 2008 11:55:09 -0400 Received: from g5t0008.atlanta.hp.com ([15.192.0.45]:3808 "EHLO g5t0008.atlanta.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751181AbYCNPzI (ORCPT ); Fri, 14 Mar 2008 11:55:08 -0400 Message-ID: <47DA9FD7.1070602@hp.com> Date: Fri, 14 Mar 2008 11:55:03 -0400 From: "Alan D. Brunelle" User-Agent: Thunderbird 2.0.0.12 (X11/20080227) MIME-Version: 1.0 To: "Alan D. Brunelle" Cc: Jens Axboe , linux-kernel@vger.kernel.org, npiggin@suse.de, dgc@sgi.com Subject: Re: IO CPU affinity test results References: <47DA6C1E.8010000@hp.com> <20080314123606.GL17940@kernel.dk> <20080314130545.GO17940@kernel.dk> <47DA8078.7060804@hp.com> In-Reply-To: <47DA8078.7060804@hp.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4-way IA64, better, but not good after 30 runs (in single user mode): Part RQ MIN AVG MAX Dev ----- -- ------ ------ ------ ------ mkfs 0 18.893 19.429 20.129 0.351 mkfs 1 18.912 19.347 19.934 0.258 untar 0 17.007 17.538 18.829 0.416 untar 1 16.980 17.329 18.369 0.284 make 0 22.050 23.000 23.546 0.400 make 1 22.416 23.141 23.637 0.349 comb 0 58.138 59.967 61.923 0.793 comb 1 58.428 59.817 60.750 0.608 psys 0 7.69% 8.77% 9.93% 0.443 psys 1 8.47% 14.20% 16.33% 2.566 Better run time w/ rq=1 (only 0.25%) but at a huge cost in %sys. Will do some profiling to see what's up. Alan