Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 20 Dec 2001 14:33:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 20 Dec 2001 14:33:29 -0500 Received: from ntmail.avint.net ([198.165.75.239]:19207 "EHLO NTMAIL.avint.net") by vger.kernel.org with ESMTP id ; Thu, 20 Dec 2001 14:33:17 -0500 Content-Type: text/plain; charset=US-ASCII From: Brendan Pike Reply-To: spike@superweb.ca Organization: Linux User To: hahn@physics.mcmaster.ca Subject: Re: IDE Harddrive Performance Date: Thu, 20 Dec 2001 15:33:07 -0400 X-Mailer: KMail [version 1.2] In-Reply-To: In-Reply-To: Cc: linux-kernel@vger.kernel.org MIME-Version: 1.0 Message-Id: <01122015330703.27161@spikes> Content-Transfer-Encoding: 7BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thursday 20 December 2001 02:08 pm, you wrote: > > here is -T > > > > [root@spikes spike]# /sbin/hdparm -T /dev/hda > > /dev/hda: > > Timing buffer-cache reads: 128 MB in 3.89 seconds = 32.90 MB/sec > > well, no wonder. on a modern machine, -T shows 200 MB/s. > what kind of CPU/motherboard is this? I'm guessing it's > a socket7 system with PC66 dram, perhaps just edo. the problem > is that it's dram and probably PCI infrastructure can't > really handle much bandwidth, so doesn't keep the disk "streaming". Actually it is a Socket 7 AMD 300 with 384MB SDRAM PC-133 running at 100Mhz Bus clock. - 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/