From owner-freebsd-stable Thu Jun 8 12:18:44 2000 Delivered-To: freebsd-stable@freebsd.org Received: from mail.gmx.net (pop.gmx.net [194.221.183.20]) by hub.freebsd.org (Postfix) with SMTP id 02A6E37C22E for ; Thu, 8 Jun 2000 12:18:36 -0700 (PDT) (envelope-from Gerhard.Sittig@gmx.net) Received: (qmail 16151 invoked by uid 0); 8 Jun 2000 19:18:32 -0000 Received: from p3ee0b2e9.dip.t-dialin.net (HELO speedy.gsinet) (62.224.178.233) by mail01.rzmi.gmx.net with SMTP; 8 Jun 2000 19:18:32 -0000 Received: (from sittig@localhost) by speedy.gsinet (8.8.8/8.8.8) id TAA20326 for stable@freebsd.org; Thu, 8 Jun 2000 19:46:15 +0200 Date: Thu, 8 Jun 2000 19:46:15 +0200 From: Gerhard Sittig To: stable@freebsd.org Subject: Re: changes in dd? Message-ID: <20000608194615.N9883@speedy.gsinet> Mail-Followup-To: stable@freebsd.org References: <200006072108.RAA94211@misha.privatelabs.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0i In-Reply-To: <200006072108.RAA94211@misha.privatelabs.com>; from mi@privatelabs.com on Wed, Jun 07, 2000 at 05:08:44PM -0400 Organization: System Defenestrators Inc. Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Wed, Jun 07, 2000 at 17:08 -0400, Mikhail Teterin wrote: > > My command line is: > ssh -o'Compression no' -e none -c blowfish \ > dd ibs=1 count= of=/dev/null < /kernel.GENERIC Look at what you do here: You shuffle *many* tiny packets around each of them being *one* byte long. This will result in a _very_ tight loop eating time without any making sense. How about doing this with _one_ block of the size you want? I.e. what stops you from swapping the count and bs parameters? virtually yours 82D1 9B9C 01DC 4FB4 D7B4 61BE 3F49 4F77 72DE DA76 Gerhard Sittig true | mail -s "get gpg key" Gerhard.Sittig@gmx.net -- If you don't understand or are scared by any of the above ask your parents or an adult to help you. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message