Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261904AbVASVZB (ORCPT ); Wed, 19 Jan 2005 16:25:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261905AbVASVZA (ORCPT ); Wed, 19 Jan 2005 16:25:00 -0500 Received: from mx1.redhat.com ([66.187.233.31]:62664 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S261904AbVASVY6 (ORCPT ); Wed, 19 Jan 2005 16:24:58 -0500 Date: Wed, 19 Jan 2005 16:24:14 -0500 (EST) From: James Morris X-X-Sender: jmorris@thoron.boston.redhat.com To: Fruhwirth Clemens cc: Bill Davidsen , Dan Hollis , Venkat Manakkal , Andries Brouwer , Paul Walker , , Subject: Re: Announce loop-AES-v3.0b file/swap crypto package In-Reply-To: <1106157459.19164.8.camel@ghanima> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 947 Lines: 28 On Wed, 19 Jan 2005, Fruhwirth Clemens wrote: > I've rewritten some CBC code to fit the facilities I introduce in my LRW > patch[1]. Here are the results for my P4@1.8GHZ: > > loop-aes, CBC: ~30.5mb/s > dm-crypt, CBC prior to my rewrite: ~23mb/s > dm-crypt, CBC with my LRW patch: ~27mb/s > dm-crypt, LRW with my LRW patch: ~27mb/s (slightly faster than CBC) > > As you can see my LRW patches (actually it's the generic scatterwalker > which is part of the LRW patch set) halves the gap to loop-aes. This looks promising. I wonder if the generic scatterwalker solves the null encryption performance problem that was reported a little while back. - James -- James Morris - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/