Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264606AbTIIWHp (ORCPT ); Tue, 9 Sep 2003 18:07:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264609AbTIIWHo (ORCPT ); Tue, 9 Sep 2003 18:07:44 -0400 Received: from e32.co.us.ibm.com ([32.97.110.130]:30630 "EHLO e32.co.us.ibm.com") by vger.kernel.org with ESMTP id S264606AbTIIWHe (ORCPT ); Tue, 9 Sep 2003 18:07:34 -0400 Message-ID: <3F5E4EF5.1030005@austin.ibm.com> Date: Tue, 09 Sep 2003 17:06:45 -0500 From: Steven Pratt User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030624 Netscape/7.1 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Andrew Morton CC: linux-kernel@vger.kernel.org Subject: Re: [PATCH] Minor scheduler fix to get rid of skipping in xmms References: <3F5D023A.5090405@austin.ibm.com> <20030908155639.2cdc8b56.akpm@osdl.org> In-Reply-To: <20030908155639.2cdc8b56.akpm@osdl.org> 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: 3882 Lines: 102 Andrew Morton wrote: >Steven Pratt wrote: > > >>For specjbb things are looking good from a throughput point of view. >>... >>Volanomark, on the other hand is still off by quite a bit from test4 stock >> >> >> >hmm, thanks. > >I'm not sure that volanomark is very representative of any real-world >thing. > > > >>... >>If thre is any particular patch/tree combination you would like me to >>try out, please let me know and I will see if I can get the results for >>you. >> >> > >Could we please see test5 versus test5 plus Andrew's patch? > >ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0-test4/2.6.0-test4-mm6/broken-out/sched-CAN_MIGRATE_TASK-fix.patch > This patch improves specjjb over test5 and has no real effect on any of kernbench, volanomark or specsdet. Specjbb Throughput 2.6.0-test5 2.6.0-test5BALANCE # of WHs OPs/sec OPs/sec %diff diff tolerance ---------- ------------ ------------ -------- ------------ ------------ 1 10118.42 10062.66 -0.55 -55.76 303.55 4 35316.38 34676.03 -1.81 -640.35 1059.49 7 54126.17 52717.84 -2.60 -1408.33 1623.79 10 56906.64 56587.53 -0.56 -319.11 1707.20 13 51589.86 54625.25 5.88 3035.39 1547.70 * 16 41410.52 43120.66 4.13 1710.14 1242.32 * 19 32944.48 35820.89 8.73 2876.41 988.33 * Volanomark 2.6.0-test5 2.6.0-test5BALANCE Msgs/sec Msgs/sec %diff diff tolerance ---------- ------------ ------------ -------- ------------ ------------ 1 40915 41391 1.16 476.00 1227.45 > >and if you have time, also test5 plus sched-CAN_MIGRATE_TASK-fix.patch plus > >ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0-test4/2.6.0-test4-mm6/broken-out/sched-balance-fix-2.6.0-test3-mm3-A0.patch > > This patch degrades both specjbb and volanomark, and to a lesser degree specsdet Specjbb throughput 2.6.0-test5 2.6.0-test5MIGRATE # of WHs OPs/sec OPs/sec %diff diff tolerance ---------- ------------ ------------ -------- ------------ ------------ 1 10118.42 9980.90 -1.36 -137.52 303.55 4 35316.38 34065.11 -3.54 -1251.27 1059.49 * 7 54126.17 52697.10 -2.64 -1429.07 1623.79 10 56906.64 55466.77 -2.53 -1439.87 1707.20 13 51589.86 43152.57 -16.35 -8437.29 1547.70 * 16 41410.52 45201.21 9.15 3790.69 1242.32 * 19 32944.48 29025.16 -11.90 -3919.32 988.33 * Volanomark 2.6.0-test5 2.6.0-test5MIGRATE Msgs/sec Msgs/sec %diff diff tolerance ---------- ------------ ------------ -------- ------------ ------------ 1 40915 38518 -5.86 -2397.00 1227.45 * > >What I'm afraid of is that those patches will yield improved results over >test5, and that adding > >ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0-test4/2.6.0-test4-mm6/broken-out/sched-2.6.0-test2-mm2-A3.patch > I tried adding this patch to stock test5 and it failed to apply cleanly. I have not had a chance to look at why. Did you mean for this to be applied by itself, or was this supposed to go on top of one of the other patches? > >will slow things down again. > Steve - 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/