Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759657AbZKKXZB (ORCPT ); Wed, 11 Nov 2009 18:25:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759610AbZKKXZB (ORCPT ); Wed, 11 Nov 2009 18:25:01 -0500 Received: from smtp1.linux-foundation.org ([140.211.169.13]:57738 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759609AbZKKXZA (ORCPT ); Wed, 11 Nov 2009 18:25:00 -0500 Date: Wed, 11 Nov 2009 15:24:45 -0800 From: Andrew Morton To: Joakim Tjernlund Cc: Richard Purdie , linux-kernel@vger.kernel.org Subject: Re: [PATCH] zlib: Optimize inffast even more Message-Id: <20091111152445.7d2f8643.akpm@linux-foundation.org> In-Reply-To: <1257762136-17593-1-git-send-email-Joakim.Tjernlund@transmode.se> References: <1257762136-17593-1-git-send-email-Joakim.Tjernlund@transmode.se> X-Mailer: Sylpheed 2.4.8 (GTK+ 2.12.9; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 890 Lines: 22 On Mon, 9 Nov 2009 11:22:16 +0100 Joakim Tjernlund wrote: > This improves zlib: Optimize inffast when copying direct from output > and gives another 3-4% improvement for my MPC8321 target. > Does not need CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS, > uses get_unaligned() but only in one place. > The copy loop just above this one can also use this > optimization, but I havn't done so as I have not tested if it > is a win there too. > > Signed-off-by: Joakim Tjernlund > --- > > Someone with a little endian target should test too. eh? That requires a PC. Can't you test it?? -- 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/