From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Korsgaard Date: Thu, 19 Nov 2009 15:07:12 +0100 Subject: [U-Boot] [PATCH RFC] zlib: Optimize decompression In-Reply-To: <1258633364-20805-1-git-send-email-Joakim.Tjernlund@transmode.se> (Joakim Tjernlund's message of "Thu\, 19 Nov 2009 13\:22\:44 +0100") References: <1258633364-20805-1-git-send-email-Joakim.Tjernlund@transmode.se> Message-ID: <87einuip67.fsf@macbook.be.48ers.dk> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de >>>>> "Joakim" == Joakim Tjernlund writes: Joakim> This patch optimizes the direct copy procedure. Joakim> Uses get_unaligned() but only in one place. Joakim> The copy loop just above this one can also use this Joakim> optimization, but I havn't done so as I have not tested if it Joakim> is a win there too. Joakim> On my MPC8321 this is about 17% faster on my JFFS2 root FS Joakim> than the original. No speed test has been performed in u-boot. On a mpc8347 board it's ~12% faster at decompressing the uImage (165ms). Joakim> Signed-off-by: Joakim Tjernlund Acked-by: Peter Korsgaard -- Bye, Peter Korsgaard