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use a simplified version of get_score

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This commit is contained in:
Wenbo Hu 2017-12-24 12:07:56 +08:00
parent 426251e158
commit 001263a683
1 changed files with 43 additions and 6 deletions
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49
AlphaGo/go.py
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@ -3,7 +3,7 @@ import utils
import copy
import numpy as np
from collections import deque
import time
'''
Settings of the Go game.
@ -214,7 +214,7 @@ class Go:
# initialize the simulate_board from state
history_boards, color = state
if history_boards[-1] == history_boards[-2] and action is utils.PASS:
return None, 2 * (float(self.executor_get_score(history_boards[-1]) > 0)-0.5) * color
return None, 2 * (float(self.simple_executor_get_score(history_boards[-1]) > 0)-0.5) * color
else:
vertex = self._action2vertex(action)
new_board = self._do_move(copy.copy(history_boards[-1]), color, vertex)
@ -285,10 +285,7 @@ class Go:
return utils.WHITE
def executor_get_score(self, current_board):
'''
is_unknown_estimation: whether use nearby stone to predict the unknown
return score from BLACK perspective.
'''
#return score from BLACK perspective.
_board = copy.deepcopy(current_board)
while utils.EMPTY in _board:
vertex = self._find_empty(_board)
@ -310,7 +307,46 @@ class Go:
return score
def simple_executor_get_score(self, current_board):
'''
can only be used for the empty group only have one single stone
return score from BLACK perspective.
'''
score = 0
for idx, color in enumerate(current_board):
if color == utils.EMPTY:
neighbors = self._neighbor(self._deflatten(idx))
color = current_board[self._flatten(neighbors[0])]
if color == utils.BLACK:
score += 1
elif color == utils.WHITE:
score -= 1
score -= self.komi
return score
if __name__ == "__main__":
go = Go(size=9, komi=3.75, role = utils.BLACK)
endgame = [
1, 0, 1, 0, 1, 1, -1, 0, -1,
1, 1, 1, 1, 1, 1, -1, -1, -1,
0, 1, 1, 1, 1, -1, 0, -1, 0,
1, 1, 1, 1, 1, -1, -1, -1, -1,
1, -1, 1, -1, 1, 1, -1, -1, -1,
-1, -1, -1, -1, -1, 1, -1, 0, -1,
1, 1, 1, -1, -1, -1, -1, -1, -1,
1, 0, 1, 1, 1, 1, 1, -1, 0,
1, 1, 0, 1, -1, -1, -1, -1, -1
]
time0 = time.time()
score = go.executor_get_score(endgame)
time1 = time.time()
print(score, time1 - time0)
score = go.new_executor_get_score(endgame)
time2 = time.time()
print(score, time2 - time1)
'''
### do unit test for Go class
pure_test = [
0, 1, 0, 1, 0, 1, 0, 0, 0,
@ -349,3 +385,4 @@ if __name__ == "__main__":
for i in range(7):
print (go._is_eye(opponent_test, utils.BLACK, ot_qry[i]))
print("Test of eye surrend by opponents\n")
'''