linux-kernel - Re: Reiser4 und LZO compression

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Date:	Mon, 28 Aug 2006 22:15:50 +0400
From:	Edward Shishkin <edward@...esys.com>
To:	Stefan Traby <stefan@...lo-penguin.com>
CC:	Hans Reiser <reiser@...esys.com>,
	Alexey Dobriyan <adobriyan@...il.com>,
	reiserfs-list@...esys.com, linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...l.org>
Subject: Re: Reiser4 und LZO compression

Stefan Traby wrote:
> On Mon, Aug 28, 2006 at 10:06:46AM -0700, Hans Reiser wrote:
> 
> 
>>Hmm.  LZO is the best compression algorithm for the task as measured by
>>the objectives of good compression effectiveness while still having very
>>low CPU usage (the best of those written and GPL'd, there is a slightly
>>better one which is proprietary and uses more CPU, LZRW if I remember
>>right.  The gzip code base uses too much CPU, though I think Edward made
> 
> 
> I don't think that LZO beats LZF in both speed and compression ratio.
> 
> LZF is also available under GPL (dual-licensed BSD) and was choosen in favor
> of LZO for the next generation suspend-to-disk code of the Linux kernel.
> 
> see: http://www.goof.com/pcg/marc/liblzf.html
> 

thanks for the info, we will compare them
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