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Re: Binary diffs: real-world differencing?

From: Daniel Griscom <griscom_at_suitable.com>
Date: 2006-02-03 18:09:27 CET

At 11:27 AM -0500 2/3/06, Kevin Greiner wrote:
>On 2/3/06, Daniel Griscom <griscom@suitable.com> wrote:
>> I'm looking into Subversion, and since I do a lot of multimedia work
>> I'm especially interested in its ability to do binary diffs. But I'm
>> wondering: has anyone documented how well this reduces
>> traffic/storage with different types of real-world files?
>Since 1.2.0, svn has defaulted to using xdelta binary diffs. See
>http://svn.haxx.se/users/archive-2005-05/1370.shtml. You can download
>a win32 cmd-line binary here
>http://evanjones.ca/software/xdelta-win32.html to see for yourself the
>size of diffs after the kind of changes you typically make.

Sounds close, but I'm an OS X/BSD kinda guy. I tried compiling the
xdelta1.1.3 sources, but got "unknown system" errors. I did find an
OS X command-line version, but it's using xdelta version 3. What
version does svn use?


Daniel T. Griscom             griscom@suitable.com
Suitable Systems              http://www.suitable.com/
1 Centre Street, Suite 204    (781) 665-0053
Wakefield, MA  01880-2400
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Received on Fri Feb 3 18:40:42 2006

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