linux-kernel - Re: Linux kernel compression with lrzip

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/