[Computer-go] pachi2

[Jean-loup Gailly]

> The surprising thing is that 128 machines are much worse than 64;
> is this due to communication cost ? I would expect a stagnation more than
> a decrease of performance, but maybe the master/slave system does not have
> the logarithmic cost as a function of the number of nodes

I don't know yet the main reason for the performance drop beyond 64
machines. It might indeed be due to the simple linear scheme that
I am using; a logarithmic algorithm might work better.

Jean-loup
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