From: Morten Welinder <mwelinder@gmail.com>
Date: Fri, 11 Jan 2008 14:18:39 GMT
Subject: Re: Decompression speed: zip vs lzo
Message-ID: <118833cc0801110618x54d2ca70o4c9de9b885799141@mail.gmail.com>
In-Reply-To: <alpine.LFD.1.00.0801101332150.3054@xanadu.home>

> This is really the big point here.  Git uses _lots_ of *small* objects,
> usually much smaller than 12KB.  For example, my copy of the gcc
> repository has an average of 270 _bytes_ per compressed object, and
> objects must be individually compressed.
>
> Performance with really small objects should be the basis for any
> Git compression algorithm comparison.

If it so happens that one algorithm does much better on small objects
while another does better on large objects, there really is nothing that
prevents using both in a repository.  It's a bit of code bloat, of course.

Morten