[computer-go] Making Java much faster

[David Doshay]

On 30, Nov 2006, at 3:46 PM, Eduardo Sabbatella wrote:

> David Doshay wrote:
>> Also, my data shows that if I doubled the time
>> allowed for playing,
>> thus "using" the time gained from faster execution
>> for doing deeper
>> lookahead, the results did not improve, but actually
>> got worse.
>
> Sorry for not adding nothing to usefull to the thread.
>
> But I found this comment very interesting and I would
> like emphasize it.
>
> Can you give us some details about it?


This result happened when playing "less understood opponents,"
as opposed to play against GNU Go (SlugGo's base engine).

I cannot be absolutely sure, but this is how we reasoned the result:

In these cases, decisions made based upon the deeper lookahead
were based upon boards of decreasing likelihood. A medium depth
gave the best winning percentage. A plot of winning percentage
against search depth clearly rose and then fell.

Cheers,
David