Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750883AbVJ2AFt (ORCPT ); Fri, 28 Oct 2005 20:05:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750878AbVJ2AFt (ORCPT ); Fri, 28 Oct 2005 20:05:49 -0400 Received: from [67.137.28.189] ([67.137.28.189]:55937 "EHLO vger.utah-nac.org") by vger.kernel.org with ESMTP id S1750877AbVJ2AFs (ORCPT ); Fri, 28 Oct 2005 20:05:48 -0400 Message-ID: <4362A9A7.2090101@utah-nac.org> Date: Fri, 28 Oct 2005 16:43:51 -0600 From: "Jeff V. Merkey" User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040510 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Jeff Garzik Cc: "Chen, Kenneth W" , linux-kernel@vger.kernel.org, Jens Axboe Subject: Re: kernel performance update - 2.6.14 References: <200510282344.j9SNihg27345@unix-os.sc.intel.com> <4362BA30.2020504@pobox.com> In-Reply-To: <4362BA30.2020504@pobox.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1342 Lines: 42 Verified. These numbers reflect my measurements as well. I have not moved off 2.6.9 to newer kernels on shipping products due to these issues. There are also serious stability issues as well, though 2.6.14 seems a little better than than previous kernels. Jeff Jeff Garzik wrote: > Chen, Kenneth W wrote: > >> Kernel performance data for 2.6.14 (released yesterday) is updated at: >> http://kernel-perf.sourceforge.net >> >> As expected, results are within run variation compares to 2.6.14-rc5. >> No significant deviation found compare to 2.6.14-rc5 > > > Do I read this correctly: according to your benchmarks, fileio-noop > and fileio-cfq are down some 20% or more, across all machine > configurations, since 2.6.9? In the 4P configuration, dbench-{noop,as} > both seem to have regressed as well. > > Jeff > > > - > 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/ > - 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/