From owner-freebsd-current Wed Mar 3 14:29:45 1999 Delivered-To: freebsd-current@freebsd.org Received: from holly.dyndns.org (ip108.houston13.tx.pub-ip.psi.net [38.27.213.108]) by hub.freebsd.org (Postfix) with ESMTP id E585E14E95 for ; Wed, 3 Mar 1999 14:29:38 -0800 (PST) (envelope-from chris@holly.dyndns.org) Received: (from chris@localhost) by holly.dyndns.org (8.9.3/8.9.3) id QAA00953; Wed, 3 Mar 1999 16:30:16 -0600 (CST) (envelope-from chris) Date: Wed, 3 Mar 1999 16:30:15 -0600 From: Chris Costello To: Sheldon Hearn Cc: freebsd-current@freebsd.org Subject: Re: ata1: unwanted interrupt Message-ID: <19990303163015.A930@holly.dyndns.org> Reply-To: chris@calldei.com References: <19990303160619.A705@holly.dyndns.org> <73399.920499824@axl.noc.iafrica.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.3us In-Reply-To: <73399.920499824@axl.noc.iafrica.com>; from Sheldon Hearn on Thu, Mar 04, 1999 at 12:23:44AM +0200 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Wed, Mar 3, 1999, Sheldon Hearn put this into my mailbox: > > > On Wed, 03 Mar 1999 16:06:19 CST, Chris Costello wrote: > > > After having CVSupped to the latest 4.0-CURRENT tree > > (just now), I noticed the amazing speed of the new ATA driver. > > The amazing speed of the new ATA driver? Were you using 32 bit transfers > and multi-sector IO with the older driver? > > I assumed from the benchmarks posted that I had no reason to feel > alarmed about the fact that the new driver offered no tangible > performance increase. > > My understanding was that we'd "feel it" when DMA transfers were enabled > for those drives that support them. > > Am I confused (yet again)? Yes ;-) I mean the time it takes to actually detect the drive. I haven't really tested out the driver for actual seek/read/write speed yet (but it might be a fun thing to try out one of these days). > > Ciao, > Sheldon. > -Chris -- Powered by FreeBSD 4.0-CURRENT. "The Power to Serve!" int main(int m){main(!main(0));} To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message