From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-bw0-f49.google.com ([209.85.214.49]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1RR9d8-0007g4-RL for linux-mtd@lists.infradead.org; Thu, 17 Nov 2011 21:36:23 +0000 Received: by bkat2 with SMTP id t2so3399694bka.36 for ; Thu, 17 Nov 2011 13:36:21 -0800 (PST) Subject: Re: [PATCH 1/3] Add the snappy-c compressor to lib From: Artem Bityutskiy To: Mike Dunn Date: Thu, 17 Nov 2011 23:36:17 +0200 In-Reply-To: <4EBA7AC3.4080205@newsguy.com> References: <1319978255.2126.33.camel@koala> <1319978545.2126.37.camel@koala> <4EBA5F7C.6000506@parrot.com> <4EBA7AC3.4080205@newsguy.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Message-ID: <1321565780.2272.12.camel@koala> Mime-Version: 1.0 Cc: linux-mtd@lists.infradead.org Reply-To: dedekind1@gmail.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, 2011-11-09 at 05:06 -0800, Mike Dunn wrote: > On 11/09/2011 03:09 AM, Matthieu CASTET wrote: > >> On Sun, 2011-10-30 at 14:37 +0200, Artem Bityutskiy wrote: > >>> This is a C port of the google snappy compressor. It has roughly > >>> comparable compression to LZO, but is significantly faster on many file > >>> types. For example it beats all other compressors on already > >>> compressed data. > >> Sounds cool, thanks Andi! Is any UBIFS user interested to try this out? > >> I think this stuff needs some real users to make it go into mainline > >> smoothly. > >> > > I could be interresting to have benchmarks on arm (or other system where UBIFS > > is used). > > > > snappy use lot's of unaligned access. > > They need to be emulated on pre-armv6 core. > > > I'm currently testing ubifs on armv5 (xscale). If you'd like me to collect some > benchmark data, I'd be glad to help if you can provide a little guidance. Yeah, of course it would be interesting to see. If snappy is a win-win on ARM, we should merge it. Artem.