Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761389AbYCYXeW (ORCPT ); Tue, 25 Mar 2008 19:34:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756748AbYCYXeN (ORCPT ); Tue, 25 Mar 2008 19:34:13 -0400 Received: from Chamillionaire.breakpoint.cc ([85.10.199.196]:56725 "EHLO Chamillionaire.breakpoint.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755945AbYCYXeM (ORCPT ); Tue, 25 Mar 2008 19:34:12 -0400 Date: Wed, 26 Mar 2008 00:33:56 +0100 From: Sebastian Siewior To: "Huang, Ying" Cc: Herbert Xu , "Adam J. Richter" , Alexander Kjeldaas , linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org Subject: Re: [PATCH -mm crypto] AES: remove crypto_fl_tab and replace crypto_il_tab with isb_tab Message-ID: <20080325233356.GA2577@Chamillionaire.breakpoint.cc> Reply-To: Sebastian Siewior References: <1205210576.3676.7.camel@caritas-dev.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <1205210576.3676.7.camel@caritas-dev.intel.com> X-Key-Id: FE3F4706 X-Key-Fingerprint: FFDA BBBB 3563 1B27 75C9 925B 98D5 5C1C FE3F 4706 User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 700 Lines: 16 * Huang, Ying | 2008-03-11 12:42:56 [+0800]: >These changes reduce the encryption cache footprint to 50% and >decryption cache footprint to 53.1%. The code size is increased >slightly. On my Intel CORE micro-architecture CPU, there is almost no >performance penalty. According to the tcrypt numbers you've posted it is getting "slightly" slower on encryption/decryption of 64+ bytes. How did you measure your "almost no performance penalty"? Sebastian -- 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/