Author: Magoo
Date: 05:07:31 05/03/03
Go up one level in this thread
On May 03, 2003 at 02:47:29, Tony Werten wrote: >On May 02, 2003 at 22:05:25, Magoo wrote: > >>How bad is this: >>Depth:3, Nodes:99949, Time:40 sec, Nps:2498 > >Horrible, sorry. > >From the speed you get (Nps) I guess you are doing too much/ doing things >double. My program is not fast, but still 100x times faster. > >Profiling your code should show up where the problems are. You could also post >the structure of your program here, we might be able to help. > >Good luck, > >Tony I did a profile (for a minmax walk depth=3), im using a 0x88 board, i try to program with alot of "modules", that means i have small functions for almost everything. The function get_piece is called approx 300times/node, which seems resonable, on_board is the !(square & 0x88) test. Flat profile: Each sample counts as 0.01 seconds. % cumulative self self total time seconds seconds calls s/call s/call name 11.74 1.20 1.20 29440891 0.00 0.00 get_piece 10.18 2.24 1.04 31783554 0.00 0.00 on_board 7.83 3.04 0.80 97862 0.00 0.00 eval 7.24 3.78 0.74 777565 0.00 0.00 move_pawn 7.14 4.51 0.73 497315 0.00 0.00 move_pieces 6.85 5.21 0.70 427282 0.00 0.00 not_in_check 6.75 5.90 0.69 100361 0.00 0.00 move_generator 5.77 6.49 0.59 7291134 0.00 0.00 is_different 3.91 6.89 0.40 10203170 0.00 0.00 is_empty 3.42 7.24 0.35 100360 0.00 0.00 all_moves_legal 3.33 7.58 0.34 7898776 0.00 0.00 getbits 3.03 7.89 0.31 3471247 0.00 0.00 new_move 2.74 8.17 0.28 4652405 0.00 0.00 is_null_move 2.64 8.44 0.27 196244 0.00 0.00 move_knight 2.25 8.67 0.23 4349648 0.00 0.00 legal_move 2.05 8.88 0.21 4449597 0.00 0.00 look 1.66 9.05 0.17 100361 0.00 0.00 move_king 1.47 9.20 0.15 2170466 0.00 0.00 is_white_piece 1.37 9.34 0.14 4265234 0.00 0.00 add_move 1.27 9.47 0.13 3021733 0.00 0.00 getBoard 0.98 9.57 0.10 786271 0.00 0.00 score_cap 0.88 9.66 0.09 2796571 0.00 0.00 hist_score2 0.88 9.75 0.09 2796571 0.00 0.00 set_move_score 0.88 9.84 0.09 100360 0.00 0.00 undo_move 0.78 9.92 0.08 1035659 0.00 0.00 is_black_piece 0.68 9.99 0.07 100360 0.00 0.00 do_move . . . . . .
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