From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263310AbTJUVIU (ORCPT ); Tue, 21 Oct 2003 17:08:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263311AbTJUVIT (ORCPT ); Tue, 21 Oct 2003 17:08:19 -0400 Received: from cibs9.sns.it ([192.167.206.29]:32269 "EHLO cibs9.sns.it") by vger.kernel.org with ESMTP id S263310AbTJUVIN (ORCPT ); Tue, 21 Oct 2003 17:08:13 -0400 Date: Tue, 21 Oct 2003 23:07:34 +0200 (CEST) From: venom@sns.it To: rwhron@earthlink.net cc: piggin@cyberone.com.au, , , Subject: Re: [BENCHMARK] I/O regression after 2.6.0-test5 In-Reply-To: <20031021130501.GA4409@rushmore> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org sql bench on mysql, una master, three slave, with old as-iosched.c runs mutch better, thanx. On Tue, 21 Oct 2003 rwhron@earthlink.net wrote: > Date: Tue, 21 Oct 2003 09:05:01 -0400 > From: rwhron@earthlink.net > To: piggin@cyberone.com.au, venom@sns.it > Cc: linux-kernel@vger.kernel.org, dmo@osdl.org, akpm@osdl.org > Subject: Re: [BENCHMARK] I/O regression after 2.6.0-test5 > > > If you have time, would you please try testing as-iosched.c from > > test5 in a later kernel (it won't go into test8-mm1 though). > > copying drivers/block/as-iosched.c from 2.6.0-test5 to test8 > looks like it fixes the regression. Here are the results so far. > > In the AIM7 database benchmark, jobs/minute using test5 as-iosched.c > doubled. At 32 tasks, jobs/min went from 300 to 601. > At 256 tasks, jobs/min went from 552 to 1010. > > test5 as-iosched.c: > cat suite7-dbase-2.6.0-test8-as > Benchmark Version Machine Run Date > AIM Multiuser Benchmark - Suite VII "1.1" dev4-003 > > Tasks Jobs/Min Real CPU > 32 601.0 316.3 134.0 > 64 782.6 485.8 259.2 > 96 869.1 656.1 387.6 > 128 919.3 827.0 522.8 > 160 955.0 995.2 650.3 > 192 981.9 1161.5 790.9 > 224 1002.3 1327.5 910.2 > 256 1009.9 1505.7 1027.7 > > Unmodififed test8. > cat suite7-dbase-2.6.0-test8 > Benchmark Version Machine Run Date > AIM Multiuser Benchmark - Suite VII "1.1" dev4-003 > > Tasks Jobs/Min Real CPU > 32 299.8 634.0 128.6 > 64 450.5 843.9 246.5 > 96 549.7 1037.4 366.0 > 128 558.7 1360.8 497.6 > 160 522.1 1820.2 612.2 > 192 515.5 2212.4 742.7 > 224 529.9 2510.8 859.5 > 256 552.4 2753.0 980.4 > > The AIM7 fileserver benchmark is back up to previous > levels when test8 uses the test5 as-iosched.c: > > > test5 as-iosched.c with test8. > cat suite7-fserver-2.6.0-test8-as > Benchmark Version Machine Run Date > AIM Multiuser Benchmark - Suite VII "1.1" dev4-003 > > Tasks Jobs/Min Real CPU > 4 80.5 301.0 37.0 > 8 133.0 364.6 64.0 > 12 166.7 436.3 93.4 > 16 175.9 551.2 111.5 > 20 186.3 650.7 133.8 > 24 202.8 717.3 161.2 > 28 207.1 819.3 200.0 > 32 210.6 920.7 226.5 > > > Unmodified test8. > cat suite7-fserver-2.6.0-test8 > Benchmark Version Machine Run Date > AIM Multiuser Benchmark - Suite VII "1.1" dev4-003 > > Tasks Jobs/Min Real CPU > 4 42.3 573.6 40.9 > 8 63.3 765.7 71.6 > 12 83.2 874.2 95.0 > 16 87.5 1108.4 102.5 > 20 105.0 1154.6 136.7 > 24 111.2 1308.1 162.2 > 28 130.7 1297.9 185.8 > 32 134.2 1444.5 212.9 > > > My tiobench test hasn't completed yet, but test8 with test5's > as-iosched.c is making good progress. I think Nick nailed the > changeset. > > -- > Randy Hron > http://home.earthlink.net/~rwhron/kernel/bigbox.html > > - > 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/ >