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From: Elrond <elrond+kernel.org@samba-tng•org>
To: git@vger•kernel.org
Subject: Re: Compression speed for large files
Date: Mon, 3 Jul 2006 12:42:20 +0000 (UTC)	[thread overview]
Message-ID: <loom.20060703T143544-407@post.gmane.org> (raw)
In-Reply-To: 81b0412b0607030503p63b4ee31v7776bd155d3dab29@mail.gmail.com

Joachim B Haga <cjhaga <at> fys.uio.no> writes:
[...]
>   method                 time (s)  object size (kB)
>   Z_BEST_COMPRESSION     62.0      17136
>   Z_DEFAULT_COMPRESSION  10.4      16536
>   Z_BEST_SPEED            4.8      17071
> 
> In this case Z_BEST_COMPRESSION also compresses worse,
[...]

I personally find that very interesting, is this a known "issue" with zlib?
It suggests, that with different options, it's possible to create smaller
repositories, despite the 'advertised' (by zlib, not git) "best" compression.


Alex Riesen <raa.lkml <at> gmail.com> writes:
[...]
> Probably yes, as a per-repo config option.

The option probably should be the size for which to start using
"default" compression.


    Elrond

  reply	other threads:[~2006-07-03 12:43 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-07-03 11:13 Compression speed for large files Joachim B Haga
2006-07-03 12:03 ` Alex Riesen
2006-07-03 12:42   ` Elrond [this message]
2006-07-03 13:44     ` Joachim B Haga
2006-07-03 13:32   ` Joachim Berdal Haga
     [not found]     ` <Pine.LN X.4.64.0607031030150.1213@localhost.localdomain>
2006-07-03 14:33     ` Nicolas Pitre
2006-07-03 14:54       ` Yakov Lerner
2006-07-03 15:17         ` Johannes Schindelin
2006-07-03 16:31       ` Linus Torvalds
2006-07-03 18:59         ` [PATCH] Make zlib compression level configurable, and change default Joachim B Haga
2006-07-03 19:33           ` Linus Torvalds
2006-07-03 19:50             ` Linus Torvalds
2006-07-03 20:11             ` Joachim B Haga
2006-07-03 19:02         ` [PATCH] Use configurable zlib compression level everywhere Joachim B Haga
2006-07-03 19:43           ` Junio C Hamano
2006-07-07 21:53             ` David Lang
2006-07-08  2:10               ` Johannes Schindelin
2006-07-03 21:45 ` Compression speed for large files Jeff King
2006-07-03 22:25   ` Joachim Berdal Haga
2006-07-03 23:02     ` Linus Torvalds
2006-07-04  5:42       ` Joachim Berdal Haga

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