Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264460AbTFEErZ (ORCPT ); Thu, 5 Jun 2003 00:47:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264461AbTFEErZ (ORCPT ); Thu, 5 Jun 2003 00:47:25 -0400 Received: from static-ctb-203-29-86-71.webone.com.au ([203.29.86.71]:13829 "EHLO chimp.local.net") by vger.kernel.org with ESMTP id S264460AbTFEErX (ORCPT ); Thu, 5 Jun 2003 00:47:23 -0400 Message-ID: <3EDECE66.8040508@cyberone.com.au> Date: Thu, 05 Jun 2003 15:00:22 +1000 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.3) Gecko/20030327 Debian/1.3-4 X-Accept-Language: en MIME-Version: 1.0 To: rwhron@earthlink.net CC: linux-kernel@vger.kernel.org, Andrew Morton , Joel Becker Subject: Re: [BENCHMARK] AIM7 fserver regressed in 2.5.70* References: <20030605024940.GA14406@rushmore> In-Reply-To: <20030605024940.GA14406@rushmore> 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: 1396 Lines: 49 rwhron@earthlink.net wrote: >Summary: >AIM7 fileserver workload behaviour changed with 2.5.70. >At low task counts (load average), 2.5.70* takes 40% >longer than 2.5.69. As task count increases, regression >disappears. > >Hardware has (4) 700 mhz P3 Xeons. >3.75 GB RAM >RAID 0 LUN (hardware raid) > >Background: >AIM7 fserver is the only regressed workload. In general, >2.5.70* has better numbers than 2.5.69* for a variety of >benchmarks. > > [snip] >AIM7 fserver workload >kernel Tasks Jobs/Min Real CPU >2.5.69 4 120.9 200.5 32.8 >2.5.69-bk1 4 122.3 198.2 33.8 >2.5.69-mm3 4 122.3 198.3 37.9 >2.5.69-mm5 4 124.0 195.5 38.0 > ^^^^^^ I think this was the last kernel Joel tested before a similar magnitude dropoff in WimMark performance. > >2.5.70 4 79.0 306.9 34.2 >2.5.70-mjb1 4 83.4 290.8 33.6 >2.5.70-mm3 4 71.7 338.0 34.9 >2.5.70-mm4 4 73.9 328.0 33.9 > > I don't know what sort of disk IO fserver does, but it could be the same problem. - 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/