Date: Mon, 18 Dec 2000 08:51:32 +0100 From: Nicolas Souchu <nsouch@alcove.fr> To: flag <flag@libero.it> Cc: freebsd-stable@FreeBSD.ORG Subject: Re: Parallel ZIP patch for better mode detection Message-ID: <20001218085132.A6191@wiliam.alcove-int> In-Reply-To: <Pine.BSF.4.21.0012151943110.175-100000@localhost>; from flag@libero.it on Fri, Dec 15, 2000 at 07:45:23PM %2B0100 References: <20001214152635.B16808@wiliam.alcove-int> <Pine.BSF.4.21.0012151943110.175-100000@localhost>
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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
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