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One perft(7) mismatch for work unit 566
Posted: Sat Sep 03, 2016 3:24 pm
by sje
One perft(7) mismatch for work unit 566
Very close!
Code: Select all
85465c85465
< rnbqkbnr/pp2pp1p/3p4/2p3BQ/3PP3/8/PPP2PPP/RN2KBNR b KQkq - 0 4 28 53830194040 1507245433120
---
> rnbqkbnr/pp2pp1p/3p4/2p3BQ/3PP3/8/PPP2PPP/RN2KBNR b KQkq - 0 4 28 53830194113 1507245435164
Re: One perft(7) mismatch for work unit 566
Posted: Sat Sep 03, 2016 4:01 pm
by elcabesa
Vajolet think this is the correct number:
53830194113
Re: One perft(7) mismatch for work unit 566
Posted: Sat Sep 03, 2016 4:28 pm
by brianr
as does this excellent perft program
https://github.com/ankan-ban/perft_cpu
Code: Select all
C:\Downloads\perft_cpu-master\perft_cpu-master\binaries>perft_64bit_plain_no_popcnt.exe
Enter FEN String:
rnbqkbnr/pp2pp1p/3p4/2p3BQ/3PP3/8/PPP2PPP/RN2KBNR b KQkq - 0 4 28 53830194113 1507245435164
Board Position:
rnbqkbnr
pp..pp.p
...p....
..p...BQ
...PP...
........
PPP..PPP
RN..KBNR
Game State:
Black to move
Allowed Castlings:
White King Side castle
White Queen Side castle
Black King Side castle
Black Queen Side castle
Perft 1: 27, Time taken: 2.1333e-005 seconds, nps: 1265646
Perft 2: 1214, Time taken: 4.60792e-005 seconds, nps: 26345924
Perft 3: 33109, Time taken: 0.000312741 seconds, nps: 105866998
Perft 4: 1466559, Time taken: 0.00654581 seconds, nps: 224045421
Perft 5: 41799329, Time taken: 0.312623 seconds, nps: 133705290
Perft 6: 1814892484, Time taken: 8.45001 seconds, nps: 214779883
Perft 7: 53830194113, Time taken: 388.409 seconds, nps: 138591456
^C
C:\Downloads\perft_cpu-master\perft_cpu-master\binaries>
Re: One perft(7) mismatch for work unit 566
Posted: Sat Sep 03, 2016 8:08 pm
by pkumar
Same result:
nameless> perft 7
(CR to end input) epdfile=perftSE24.epd
rnbqkbnr/pp2pp1p/3p4/2p3BQ/3PP3/8/PPP2PPP/RN2KBNR b KQkq - 0 4 28 53830194113
perft D7: 53830194113
Re: One perft(7) mismatch for work unit 566
Posted: Sat Sep 03, 2016 9:39 pm
by sje
Thanks to everyone for their verification work. The 128 bit signature program output is again replicated.
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Symbolic has produced more than 56,000,000 perft(7) results so far, about 58.09% of the 96,400,068 needed.
Work unit #573 is the next to be started.