Computer Chess Club Archives




Subject: Search tree visualization with treemaps

Author: Rémi Coulom

Date: 06:02:39 08/26/01

Take a look at:

I used this technique once to write a piece of software for the visualization of
disk usage of a large file system. I have thought for a long time that it would
be nice to use it to navigate the huge search trees generated by my chess
program. I have just exported a search tree to the software I had written for
the visualization of file system hierarchies, and it really looks great. I feel
like the first time I used a profiler to optimize a program.

Unfortunately, I can not distribute this software I wrote (it belongs to my
former employer). I think I will make a new chess-specific one, anyway, and
distribute it as freeware. If you want to have a feel of it, though, you can
download this program:
Some very nice java demos are also available there:
I am really enthusiastic about this technique. I have tons of ideas for search
tree visualization. In particular I think it can be a great tool to analyze the
difference between two search trees, with different selectivity or move ordering
heuristics, or even between two different programs.

I will keep you informed of my progress with this idea.


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