From owner-freebsd-stable Sun Dec 17 23:51:48 2000 From owner-freebsd-stable@FreeBSD.ORG Sun Dec 17 23:51:46 2000 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from smtp.alcove.fr (smtp.alcove.fr [212.155.209.139]) by hub.freebsd.org (Postfix) with ESMTP id 79C8737B400 for ; Sun, 17 Dec 2000 23:51:45 -0800 (PST) Received: from wiliam.alcove-int ([10.16.110.19]) by smtp.alcove.fr with esmtp (Exim 3.12 #1 (Debian)) id 147v57-0003Rp-00; Mon, 18 Dec 2000 08:51:37 +0100 Received: from nsouch by wiliam.alcove-int with local (Exim 3.12 #1 (Debian)) id 147v52-0001cB-00; Mon, 18 Dec 2000 08:51:32 +0100 Date: Mon, 18 Dec 2000 08:51:32 +0100 From: Nicolas Souchu To: flag Cc: freebsd-stable@FreeBSD.ORG Subject: Re: Parallel ZIP patch for better mode detection Message-ID: <20001218085132.A6191@wiliam.alcove-int> References: <20001214152635.B16808@wiliam.alcove-int> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: Mutt/1.2.4i In-Reply-To: ; from flag@libero.it on Fri, Dec 15, 2000 at 07:45:23PM +0100 Organization: =?iso-8859-1?Q?Alc=F4ve=2C_http:=2F=2Fwww=2Ealcove=2Efr?= Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Fri, Dec 15, 2000 at 07:45:23PM +0100, flag wrote: > On Thu, 14 Dec 2000, Nicolas Souchu wrote: > > > Hi, > > > > Here is a patch against -stable /sys/dev/ppbus for better ZIP/ZIP+ > > mode detection. I've tested ZIP, but don't have any ZIP+ :( > > > > Could some of you approve vpo and imm drivers for me? > > Can I gain any speed-boost installing this patch? > > The big problem with the parallel zip is that, while you are transferring > data from/to the zip, the copy process get the 100% of the cpu and the > system stay unusable until the end of the zip operation...very sad...=( That's normal. The ZIP is designed so that it can run only in polling mode :( You should get better speed and reactivness of your machine if you use EPP mode (which is polled also but faster). Nicholas -- Nicolas.Souchu@alcove.fr Alcôve - Open Source Software Engineer - http://www.alcove.fr To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message