Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030291Ab2HPQU7 (ORCPT ); Thu, 16 Aug 2012 12:20:59 -0400 Received: from one.firstfloor.org ([213.235.205.2]:56237 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030194Ab2HPQU6 (ORCPT ); Thu, 16 Aug 2012 12:20:58 -0400 Date: Thu, 16 Aug 2012 18:20:52 +0200 From: Andi Kleen To: Jeff Garzik Cc: "Markus F.X.J. Oberhumer" , Johannes Stezenbach , linux-kernel@vger.kernel.org, Andi Kleen , chris.mason@fusionio.com, linux-btrfs@vger.kernel.org, Nitin Gupta , Richard Purdie , richard -rw- weinberger , linux-arm-kernel@lists.infradead.org Subject: Re: [GIT PULL] Update LZO compression Message-ID: <20120816162051.GK11413@one.firstfloor.org> References: <50299142.2030504@oberhumer.com> <20120814123937.GA14756@sig21.net> <502B8FE3.7080501@oberhumer.com> <20120815144539.GA8300@sig21.net> <502C92C3.7090701@oberhumer.com> <502D100D.2030609@pobox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <502D100D.2030609@pobox.com> User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 593 Lines: 13 > If you think a little bit, I bet you could come up with a solution that > operates at cacheline-aligned granularity, something that would be _even > faster_ than simply fixing the code to do aligned accesses. Cache aligned compression is unlikely to compress anything at all. Compression algorithms are usually by definition unaligned. -Andi -- 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/