From owner-freebsd-current@FreeBSD.ORG Sat May 24 14:37:23 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id BD0DD37B401 for ; Sat, 24 May 2003 14:37:23 -0700 (PDT) Received: from critter.freebsd.dk (critter.freebsd.dk [212.242.86.163]) by mx1.FreeBSD.org (Postfix) with ESMTP id AFCF343F75 for ; Sat, 24 May 2003 14:37:22 -0700 (PDT) (envelope-from phk@phk.freebsd.dk) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.12.9/8.12.9) with ESMTP id h4OLb8Lp030532; Sat, 24 May 2003 23:37:14 +0200 (CEST) (envelope-from phk@phk.freebsd.dk) To: chris@pennasoft.com From: "Poul-Henning Kamp" In-Reply-To: Your message of "Sat, 24 May 2003 13:22:37 EDT." <200305241322.37065.chris@pennasoft.com> Date: Sat, 24 May 2003 23:37:08 +0200 Message-ID: <30531.1053812228@critter.freebsd.dk> cc: current@freebsd.org Subject: Re: gbde performance question X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 24 May 2003 21:37:24 -0000 In message <200305241322.37065.chris@pennasoft.com>, Chris BeHanna writes: >On Tuesday 20 May 2003 08:29, Poul-Henning Kamp wrote: >> In message <20030520120114.U60060@daneel.foundation.hs>, Heiko Schaefer >writes: >> >but i still don't see why the processes that are named gbde-something >> >would take up _that_ much cpu time ... does that look reasonable and >> >explicable to you? >> >> The crypto work _does_ take time. I am only just starting to measure >> how much for my GBDE paper now, so I don't really have anything >> to compare your numbers with. > > Would hardware crypto or hardware RNG help? Eventually it will, but right now I have no access to any AES hw, so I have put off integrating support for hw-assisted crypto until at point in time where I can actually test it. Sam says he may know of some AES able hardware in the pipeline, I'm keeping my hopes pinned on that. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.