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Subject: The new crafty programs -- some comparisons

Author: Dann Corbit

Date: 13:00:23 10/02/03


Interesting is the large number of nodes the new 19.4 version examines.  About 3
times as many as the MPC version.
E:\programme\winboard\Crafty>Crafty-1903-Net.exe
EPD Kit revision date: 1996.04.21
found computer opening book file [./bookc.bin].
hash table memory =   24M bytes.
pawn hash table memory =    6M bytes.
EGTB cache memory =    2M bytes.
draw score set to    0.00 pawns.
choose from book moves randomly (using weights.)
choose from 5 best moves.
book learning enabled
result learning enabled
position learning enabled
threshold set to 9 pawns.
5 piece tablebase files found
19045kb of RAM used for TB indices and decompression tables
Crafty v19.3
White(1): bench
Running benchmark. . .
......
Total nodes: 57822107
Raw nodes per second: 555981
Total elapsed time: 104
SMP time-to-ply measurement: 6.153846
White(1): quit
E:\programme\winboard\Crafty>crafty-1903-smp.exe
EPD Kit revision date: 1996.04.21
found computer opening book file [./bookc.bin].
hash table memory =   24M bytes.
pawn hash table memory =    6M bytes.
EGTB cache memory =    2M bytes.
draw score set to    0.00 pawns.
choose from book moves randomly (using weights.)
choose from 5 best moves.
book learning enabled
result learning enabled
position learning enabled
threshold set to 9 pawns.
5 piece tablebase files found
21101kb of RAM used for TB indices and decompression tables
Crafty v19.3 (1 cpus)
White(1): bench
Running benchmark. . .
......
Total nodes: 57822107
Raw nodes per second: 566883
Total elapsed time: 102
SMP time-to-ply measurement: 6.274510
White(1): quit
E:\programme\winboard\Crafty>crafty-mpc.exe
EPD Kit revision date: 1996.04.21
found computer opening book file [./bookc.bin].
MPC thresholds: 1.000000 1.000000
hash table memory = 24M bytes.
pawn hash table memory = 6M bytes.
EGTB cache memory = 2M bytes.
draw score set to    0.00 pawns.
choose from book moves randomly (using weights.)
choose from 5 best moves.
book learning enabled
result learning enabled
position learning enabled
threshold set to 9 pawns.
5 piece tablebase files found
19045kb of RAM used for TB indices and decompression tables
Crafty vMPC_all
White(1): bench
Running benchmark. . .
......
Total nodes: 29114299
Raw nodes per second: 485238
Total elapsed time: 60
SMP time-to-ply measurement: 10.666667
White(1): quit
execution complete.
E:\programme\winboard\Crafty>Crafty-1904-net.exe
EPD Kit revision date: 1996.04.21
found computer opening book file [./bookc.bin].
hash table memory =   24M bytes.
pawn hash table memory =    6M bytes.
EGTB cache memory =    2M bytes.
draw score set to    0.00 pawns.
choose from book moves randomly (using weights.)
choose from 5 best moves.
book learning enabled
result learning enabled
position learning enabled
threshold set to 9 pawns.
5 piece tablebase files found
19045kb of RAM used for TB indices and decompression tables
Crafty v19.4
White(1): bench
Running benchmark. . .
......
Total nodes: 89287460
Raw nodes per second: 561556
Total elapsed time: 159
SMP time-to-ply measurement: 4.025157
White(1): quit
E:\programme\winboard\Crafty>crafty-1904-smp.exe
EPD Kit revision date: 1996.04.21
found computer opening book file [./bookc.bin].
hash table memory =   24M bytes.
pawn hash table memory =    6M bytes.
EGTB cache memory =    2M bytes.
draw score set to    0.00 pawns.
choose from book moves randomly (using weights.)
choose from 5 best moves.
book learning enabled
result learning enabled
position learning enabled
threshold set to 9 pawns.
5 piece tablebase files found
21101kb of RAM used for TB indices and decompression tables
Crafty v19.4 (1 cpus)
White(1): bench
Running benchmark. . .
......
Total nodes: 89287460
Raw nodes per second: 528328
Total elapsed time: 169
SMP time-to-ply measurement: 3.786982
White(1):



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