From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.newsguy.com ([74.209.136.69]) by casper.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1RO6vu-0005nE-S2 for linux-mtd@lists.infradead.org; Wed, 09 Nov 2011 12:07:12 +0000 Received: from [192.168.12.102] (156.sub-166-250-3.myvzw.com [166.250.3.156]) by smtp.newsguy.com (8.14.3/8.14.3) with ESMTP id pA9C741j039311 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO) for ; Wed, 9 Nov 2011 04:07:05 -0800 (PST) (envelope-from mikedunn@newsguy.com) Message-ID: <4EBA7AC3.4080205@newsguy.com> Date: Wed, 09 Nov 2011 05:06:11 -0800 From: Mike Dunn MIME-Version: 1.0 To: linux-mtd@lists.infradead.org Subject: Re: [PATCH 1/3] Add the snappy-c compressor to lib References: <1319978255.2126.33.camel@koala> <1319978545.2126.37.camel@koala> <4EBA5F7C.6000506@parrot.com> In-Reply-To: <4EBA5F7C.6000506@parrot.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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. Thanks, Mike