[Bug-gnubg] Rollout problems

[Magnar Naustdalslid]

Thanks for nice new rollout features. I have encountered a couple of 
problems:

Problem 1:
Rollouts with separate evaluation for deeper plies are too slow. For 
example, try the following: First, roll out the initial position untruncated, 
expert level, 0-ply, 10 trials. This takes a few seconds. Second, roll out 
the initial position at reduced 2-ply, medium search space, truncated at 
one ply, 10 trials. This also takes a few seconds. Third, try to *combine* 
these settings by evaluating the first move at reduced 2-ply, medium 
search space and the rest of the moves at 0-ply expert. Strangely, this is 
very slow. 

Problem 2:
GNUbg crashes when I try to run a rollout with reduced 2-ply, small 
search space.

(version 0.12, build 021119, running on Windows XP)

Keep up the good work!

-Magnar