From: Benjamin Gilbert Subject: Re: [PATCH 2/3] [CRYPTO] Add optimized SHA-1 implementation for i486+ Date: Mon, 11 Jun 2007 13:39:12 -0400 Message-ID: <466D88C0.70403@cs.cmu.edu> References: <20070608214242.23949.30350.stgit@dev> <20070608214253.23949.40465.stgit@dev> <20070609201159.GC11166@waste.org> <466B0C3F.3040300@garzik.org> <466B46D5.1020004@cs.cmu.edu> <20070610135956.GS11115@waste.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Jeff Garzik , akpm@linux-foundation.org, herbert@gondor.apana.org.au, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org To: Matt Mackall Return-path: Received: from CHOKECHERRY.SRV.CS.CMU.EDU ([128.2.185.41]:48446 "EHLO chokecherry.srv.cs.cmu.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752377AbXFKRkG (ORCPT ); Mon, 11 Jun 2007 13:40:06 -0400 In-Reply-To: <20070610135956.GS11115@waste.org> Sender: linux-crypto-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org Matt Mackall wrote: > In 2003, I was getting 17MB/s out of my Athlon. Now I'm getting 2.7MB/s. > Were your tests with or without the latest /dev/urandom fixes? This > one in particular: > > http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.21.y.git;a=commitdiff;h=374f167dfb97c1785515a0c41e32a66b414859a8 With. I just tried 2.6.11 (the oldest that will boot) on the Pentium IV box and got 3.7 MB/s, so if it's a regression it's been around for a while. --Benjamin Gilbert