Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 20 Feb 2003 20:15:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 20 Feb 2003 20:15:39 -0500 Received: from 251.017.dsl.syd.iprimus.net.au ([210.50.55.251]:56502 "EHLO file1.syd.nuix.com.au") by vger.kernel.org with ESMTP id convert rfc822-to-8bit; Thu, 20 Feb 2003 20:15:36 -0500 Content-Type: text/plain; charset=US-ASCII From: Song Zhao Reply-To: song.zhao@nuix.com.au Organization: Nuix Subject: Re: Supermicro X5DL8-GG (ServerWorks Grandchampion LE chipset) slow Date: Fri, 21 Feb 2003 12:25:12 -0500 User-Agent: KMail/1.4.3 To: linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Message-Id: <200302211225.12636.song.zhao@nuix.com.au> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4252 Lines: 107 Date: Fri, 21 Feb 2003 12:24:10 -0500 From: Song Zhao To: Dave Jones On Thu, 20 Feb 2003 09:57 am, you wrote: > On Thu, Feb 20, 2003 at 08:34:28PM -0500, Song Zhao wrote: > > Dual 2.8GHz Xeon, 3ware Escalade 7850 (7500-8) 12 port IDE RAID > > controller, RAID 10, 4x 1GB DDR SDRAM Registered ECC, 2x 80GB WD HDD, > > 10x 120GB WD HDD, ServerWorks Grand Champion LE. > > I am running RH7.3 with 2.4.20 kernel. The performance of this box is > > about half of an almost identical box (Supermicro X5DP8-G2 mobo, E7501 > > chipset) > > You mentioned nothing about what sort of performance you were measuring. > Disk, network, memory bandwidth etc.., however at a complete guess you > are hitting this.. I did some disk I/O and CPU benchmarks, including bonnie++, hdparm, nbench, unixbench, dbench, tiotest. I haven't done any network/memory testing yet. Here is a rough comparison of E7500, E7501 and the ServerWorks Chipset: ========================================================================== | Benchmark | E7500E7501 | ServerWorks | GrandChampion LE | ========================================================================== | Nbench (integer index) | 33.47 | 38.78 | 10.61 | ========================================================================== | Nbench (floating-point index) | 27.03 | 32.05 | 20.87 | ========================================================================== | Unixbench index | 329 | 349.5 | 141.6 | ========================================================================== | Hdparm -t | 70.33MB/s | 73.73MB/s | 46.04MB/s | ========================================================================== | Hdparm -T | 512MB/s | 673.68MB/s | 673.68MB/s | ========================================================================== | Tiobench (write) | 41.2MB/s | 42.09MB/s | 44.37MB/s | ========================================================================== | Tiobench (random write) | 7.03MB/s | 9.73MB/s | 10.87MB/s | ========================================================================== | Tiobench (read) | 1520.05MB/s | 1528.2MB/s | 1267.15MB/s | ========================================================================== | Tiobench (random read) | 1391.36MB/s | 1471.28MB/s | 1041.67MB/s | ========================================================================== > mtrr: Serverworks LE detected. Write-combining disabled. from dmesg: mtrr: v1.40 (20010327) Richard Gooch (rgooch@atnf.csiro.au) mtrr: detected mtrr type: Intel ServerWorks CSB5: IDE controller on PCI bus 00 dev 79 ServerWorks CSB5: chipset revision 147 ServerWorks CSB5: not 100% native mode: will probe irqs later from lspci (please note that I took out 3ware card which I mentioned in my previous mail): 00:00.0 Host bridge: ServerWorks: Unknown device 0014 (rev 31) 00:00.1 Host bridge: ServerWorks: Unknown device 0014 00:00.2 Host bridge: ServerWorks: Unknown device 0014 00:02.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27) 00:04.0 Ethernet controller: Intel Corp.: Unknown device 100e (rev 02) 00:0f.0 ISA bridge: ServerWorks CSB5 South Bridge (rev 93) 00:0f.1 IDE interface: ServerWorks CSB5 IDE Controller (rev 93) 00:0f.3 Host bridge: ServerWorks: Unknown device 0225 00:10.0 Host bridge: ServerWorks: Unknown device 0101 (rev 03) 00:10.2 Host bridge: ServerWorks: Unknown device 0101 (rev 03) 00:11.0 Host bridge: ServerWorks: Unknown device 0101 (rev 03) 00:11.2 Host bridge: ServerWorks: Unknown device 0101 (rev 03) 01:03.0 Ethernet controller: BROADCOM Corporation NetXtreme BCM5703X Gigabit Ethernet (rev 02) > This workaround was for older sewerworks chipsets which were > buggy. Rumour has it that revisions 6 and above are ok. > I have a patch pending for 2.5, if it turns out to be stable, > it should also get merged back to 2.4 > > Dave ------------------------------------------------------- - 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/