From owner-freebsd-current Tue Jul 29 12:50:16 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id MAA08765 for current-outgoing; Tue, 29 Jul 1997 12:50:16 -0700 (PDT) Received: from sos.freebsd.dk (sos.freebsd.dk [195.8.129.33]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id MAA08710; Tue, 29 Jul 1997 12:49:39 -0700 (PDT) Received: (from sos@localhost) by sos.freebsd.dk (8.8.6/8.7.3) id VAA00271; Tue, 29 Jul 1997 21:49:29 +0200 (MEST) From: Søren Schmidt Message-Id: <199707291949.VAA00271@sos.freebsd.dk> Subject: Re: code talks: announcing EIDE bus master patches In-Reply-To: <19970729210723.18104@mi.uni-koeln.de> from Stefan Esser at "Jul 29, 97 09:07:23 pm" To: se@FreeBSD.ORG (Stefan Esser) Date: Tue, 29 Jul 1997 21:49:29 +0200 (MEST) Cc: freebsd-current@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL30 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Sender: owner-freebsd-current@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk In reply to Stefan Esser who wrote: > On Jul 29, Søren Schmidt wrote: > > Well, doing a little surgery to it and sticking it into current, > > (the PCI subsystem has changed a little from 2.2.x to current) > > I'd say it works pretty well here too (440FX chipset Maxtor drives). > > Are these Maxtor DiamondMax drives ? Yep these are Maxtor DiamondMax 84000A6 drives (4G) > I'd love to see Bonnie results for them > with the bus-master EIDE driver ... > > You don't have, by chance, any numbers > to share ? :) Sure, on my dev machine (P6@233Mhz-Natoma/64MB/2*Maxtor 84000A6) First without busmatering DMA: -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 100 4871 35.9 4738 9.4 1722 3.6 4488 37.2 6973 8.5 126.7 2.2 Then with busmastering DMA: -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 100 5225 39.8 5278 11.1 2017 4.4 7315 60.2 8737 10.8 149.6 2.2 Not bad, for a "simple" software upgrade :) It has improved my worldstone by ~10% if that counts for real world use.. -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Søren Schmidt (sos@FreeBSD.org) FreeBSD Core Team Even more code to hack -- will it ever end ..