partest.py

   1 #!/usr/bin/python2.5
   2 #!/usr/bin/python2.5
   3 # partest.py
   4 # 21 June 2007
   5
   6 from position import *
   7 from search import *
   8 import sys, thread, time, os
   9
  10 try:
  11     fen = sys.argv[1]
  12     pos = position(fen)
  13 except:
  14     pos = ipos
  15
  16 def removePV(res):
  17     x = res.copy()
  18     del x['pv']
  19     return x
  20
  21 def main(Max = 32):
  22     for d in range(Max):
  23         print "\nDepth %s:" % d
  24         if 'CLEAR' in os.environ:
  25             pvCache.clear()
  26         if 'PARALLEL' in os.environ:
  27             splits = 1
  28         else:
  29             splits = 0
  30         x = alphaBeta(pos, d, top = True, splits = splits)
  31         print "    ", removePV(x)
  32         print "  ", algebraicForPV(x['pv'])
  33
  34 def main2(Max = 32):
  35     global pvCache
  36     otherPVCache = {}
  37     times = [1, 1]
  38
  39     for d in range(Max):
  40         print "\nDepth %s:" % d
  41         for splits in (0, 1):
  42             x = alphaBeta(pos, d, top = True, splits = splits)
  43             print ["no split", "one split"][splits]
  44             print "    ", removePV(x)
  45             print "  ", algebraicForPV(x['pv'])
  46
  47             times[splits] = x['time']
  48             pvCache, otherPVCache = otherPVCache, pvCache
  49         speedup = float(times[0]) / times[1]
  50         print "Speed-up: %.2fx   (ratio: %.1f%%)" % (speedup, 100.0 /
  51 speedup)
  52
  53 if __name__ == '__main__':
  54     thread.start_new_thread(main2, ())
  55     while 1:
  56         time.sleep(1000)