What do use for your counters? 32 bit numbers max out at 4 billion,
and you're already beyond that.
Is it possible to generate an SGF file showing the dominant variations
with the number of wins and losses? It'd be interesting to see what
the bot considers to be the best sequences are...
Sent from my iPhone
On Jul 10, 2009, at 10:10 PM, Michael Williams <[email protected]
> wrote:
Now that I have this system of generating really big game trees,
what sort of interesting things could I do with it? The exact
number of nodes I can store is not exact because I'm doing various
things to reduce each node's footprint when it goes to disk. I'm
currently building a tree that is bushy at the root (heavy
exploration term) and normal UCT beneath that. It is at 28 billion
nodes now and projecting a capacity of 122 billion. The current
node rate is about 130k per second (on 1 Core2 core). This is on a
9x9 board. I'm still using Libego for playouts. And I'm deleting
symmetrically-equivalent moves from the tree. That is all that gets
pruned.
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