linux-kernel - Re: Linux kernel compression with lrzip

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Message-ID: <4CD6BAEC.2070605@gmail.com>
Date:	Sun, 07 Nov 2010 19:42:52 +0500
From:	"Alexander E. Patrakov" <patrakov@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: Re: Linux kernel compression with lrzip

07.11.2010 16:59, Con Kolivas wrote:
> Lrzip
> was a project I began based on rzip which tried to extend the initial
> compression window beyond 900MB and to use lzma as the back end for the 2nd
> stage compression.

<snip>

> Starting with linux kernel 2.6.36
>
> 413511680 linux-2.6.36.tar
> 70277083 linux-2.6.36.tar.bz2
> 59905365 linux-2.6.36.tar.lrz

So, why are you comparing to tar.bz2, if you use lzma as the backend? 
I.e. this benchmark does nothing to show the benefit from the 
preprocessing stage. Please compare to tar.lzma instead.

-- 
Alexander E. Patrakov

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