> > I'd like to know both numbers, Pasky. BTW, does pachi use root > parallelisation on the cluster, ie, the same as of MoGo, Fuego > and MFG? > > In MoGo it's not root parallelization. We share the statistics in the tree, e.g. once per second (depending on the time settings); more precisely, we average - the number of wins, - the number of losses, - the number of amaf-wins - the number of amaf-losses in all nodes in the tree with more than e.g. 5% of the number of simulations at the root.
This is not so different from averaging just at the root, but there's a slight improvement. (the difference is probably much higher when building strategies, as in opening book building, instead of just choosing one move) It is, on the other hand, much better than averaging just before taking the decision (i.e., roughly speaking, voting) as proposed in some papers. More details in http://hal.inria.fr/inria-00512854/. Best regards, Olivier
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