From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263295AbTJVBnc (ORCPT ); Tue, 21 Oct 2003 21:43:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263329AbTJVBnb (ORCPT ); Tue, 21 Oct 2003 21:43:31 -0400 Received: from mail-03.iinet.net.au ([203.59.3.35]:39093 "HELO mail.iinet.net.au") by vger.kernel.org with SMTP id S263295AbTJVBn3 (ORCPT ); Tue, 21 Oct 2003 21:43:29 -0400 Message-ID: <3F95E0C3.6050608@cyberone.com.au> Date: Wed, 22 Oct 2003 11:43:31 +1000 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030827 Debian/1.4-3 X-Accept-Language: en MIME-Version: 1.0 To: "Martin J. Bligh" CC: linux-kernel , ricklind@us.ibm.com Subject: Re: Nick's scheduler v16 References: <3F913704.5040707@cyberone.com.au> <56890000.1066770968@flay> In-Reply-To: <56890000.1066770968@flay> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Martin J. Bligh wrote: >>I'm starting to do some large SMP / NUMA testing. Fixed and changed quite >>a bit. It isn't too bad, although I'm only testing dbench, tbench, and >>volanomark at the moment. >> >>These SMP and NUMA changes are not tied to my interactivity stuff, so its >>possible they could get included if they turn out well. If you find any >>problems with it (high end or interactivity), please let me know. >> > >Interesting ... some things get getter, some worse: > >Kernbench: (make -j N vmlinux, where N = 2 x num_cpus) > Elapsed System User CPU > 2.6.0-test8 45.20 100.97 566.65 1476.25 > 2.6.0-test8-nick 44.81 93.98 568.49 1477.50 > 2.6.0-test8-nick2 44.78 94.69 568.81 1482.00 > >elapsed is a tiny bit faster, system is significantly less, but with >higher parallelism: > > >Kernbench: (make -j vmlinux, maximal tasks) > Elapsed System User CPU > 2.6.0-test8 45.86 119.41 569.66 1502.00 > 2.6.0-test8-nick 47.00 112.75 590.40 1495.00 > 2.6.0-test8-nick2 47.11 112.86 590.31 1491.50 > >elapsed is definitely worse now. > I'll see if I can reproduce this and work out what is going on. Thanks Martin.