Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752377AbZKLIwo (ORCPT ); Thu, 12 Nov 2009 03:52:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752029AbZKLIwn (ORCPT ); Thu, 12 Nov 2009 03:52:43 -0500 Received: from gw1.transmode.se ([213.115.205.20]:57227 "EHLO gw1.transmode.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751993AbZKLIwn (ORCPT ); Thu, 12 Nov 2009 03:52:43 -0500 In-Reply-To: <20091111152445.7d2f8643.akpm@linux-foundation.org> References: <1257762136-17593-1-git-send-email-Joakim.Tjernlund@transmode.se> <20091111152445.7d2f8643.akpm@linux-foundation.org> Subject: Re: [PATCH] zlib: Optimize inffast even more X-KeepSent: 7CD0497E:D92BC1B1-C125766C:0028EF03; type=4; name=$KeepSent To: Andrew Morton Cc: linux-kernel@vger.kernel.org, Richard Purdie X-Mailer: Lotus Notes Release 8.5.1 September 28, 2009 Message-ID: From: Joakim Tjernlund Date: Thu, 12 Nov 2009 09:51:25 +0100 X-MIMETrack: Serialize by Router on sesr04/Transmode(Release 8.5 HF964|October 21, 2009) at 2009-11-12 09:52:47 MIME-Version: 1.0 Content-type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1226 Lines: 30 Andrew Morton wrote on 12/11/2009 00:24:45: > > 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?? It needs something that actually uses the inflate too on that PC and I don't have that handy. Anyhow, I downloaded zip and made the changes and tested a little, found a problem. Will resend a new patch with everything in it soon. -- 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/