Re: [Bug-gnubg] bug when stopping ROs at a JSD difference.

[Jim Segrave]

On Sat 20 Dec 2008 (00:02 -0500), bob koca wrote:
> 
>  I've been setting rollouts to stop at a minimum of 324 trials when the best 
> play is 3.2 JSD better than any of the rolloed out alternatives.
> What has often been happening in this case is that the RO finishes and a 
> number of games of eiterh 325 or 326 is reported where the JSD is much larger 
> than 3.2 so it should have stopped at the 324

Do you have a dual core processor? It could be that there are separate
rollouts in different threads, so when game 324 starts rolling out in
one thread, another begins rolling out (giving 325 games) or even
rolls out game 325 and begins on 326 while 324 is not yet finished.

This is speculation, not from checking the code, but I've got a strong
feeling that it's the case.


-- 
Jim Segrave           address@hidden