Author: Dann Corbit
Date: 14:44:25 01/15/04
Go up one level in this thread
On January 15, 2004 at 17:39:13, Michel Langeveld wrote: >On January 15, 2004 at 13:13:18, Dann Corbit wrote: > >>On January 14, 2004 at 23:22:46, Russell Reagan wrote: >> >>>On January 14, 2004 at 17:48:06, Dann Corbit wrote: >>> >>>>An aside: >>>>You can get a stupendous speed increase with TSCP by the addition of piece >>>>lists. >>> >>>I added a few bitboards to TSCP to act as piece lists once, and the speedup was >>>there, but not stupendous. Something like 10-20% IIRC. Of course, that's not a >>>"real" piece list. You could use a real piece list to speed up the attack >>>detection, which is probably one of the most time consuming functions in TSCP. >> >>I bet you still iterated over the board. The number 64 should almost never >>appear in the program. >> >>I got a 4-fold speedup, at least (hashing, piece lists, a few other trinkets). > >I added half of the hashing today. I have to to use the hashmove to sort it in >the movelist. The hashspeed up is already 50% now. Piecelists is on my todo >list. Won't rest until they are in. Don't forget to use the king positions for check test. That's another big speedup.
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