From: Nicolas Pitre <nico@fluxnic.net>
Date: Wed, 11 Sep 2013 16:25:48 GMT
Subject: Re: [PATCH 00/21] np/pack-v4 updates
Message-ID: <alpine.LFD.2.03.1309111224460.20709@syhkavp.arg>
In-Reply-To: <CACsJy8C87k7K6dnr5N_mqz9w7YtdHzjB+jPwrwtMk1oeXxWYGQ@mail.gmail.com>

On Wed, 11 Sep 2013, Duy Nguyen wrote:

> Nico, if you have time you may want to look into this. The result v4
> pack from pack-objects on git.git for me is 35MB (one branch) while
> packv4-create produces 30MB (v2 is 40MB). I don't know why there is
> such a big difference in size. I compared. Ident dict is identical.
> Tree dict is a bit different (some that have same hits are ordered
> differently). Delta chains do not differ much. Many groups of entries
> in the pack are displaced though. I guess I turned a wrong knob or
> something in pack-objects in v4 code..

Will try to have a closer look.

Thanks for your dedication so far.


Nicolas