Dev Builds » 20161021-0415

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 7. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games Wins Losses Draws Elo
ncm-et-3 16:09:01 2012102 6674 1751 306 4617 +76.43 +/- 4.47
ncm-et-4 16:10:21 2009702 6665 1719 357 4589 +72.01 +/- 4.52
ncm-et-9 04:05:35 1975359 1690 453 91 1146 +75.59 +/- 9.12
ncm-et-10 04:05:34 1971561 1662 449 76 1137 +79.32 +/- 9.07
ncm-et-13 04:05:33 1973630 1668 451 89 1128 +76.62 +/- 9.21
ncm-et-15 04:05:34 1969803 1641 472 91 1078 +82.16 +/- 9.56
20000 5295 1010 13695 +75.61 +/- 2.62

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
66288 ncm-et-15 2019-01-16 12:12 00:21:09 1965379 141 41 9 91 +80.25 +/- 33.41
66287 ncm-et-10 2019-01-16 12:10 00:24:00 1965382 162 40 6 116 +74.02 +/- 27.48
66286 ncm-et-4 2019-01-16 12:10 00:24:01 1976836 165 52 8 105 +94.94 +/- 30.97
66285 ncm-et-13 2019-01-16 12:09 00:24:51 1969706 168 52 10 106 +88.74 +/- 31.13
66284 ncm-et-3 2019-01-16 12:08 00:25:30 1973021 174 40 5 129 +70.85 +/- 25.18
66283 ncm-et-9 2019-01-16 12:06 00:27:49 1966930 190 54 7 129 +87.76 +/- 26.89
66282 ncm-et-15 2019-01-16 10:55 01:16:00 1968019 500 147 31 322 +82.1 +/- 17.71
66281 ncm-et-10 2019-01-16 10:54 01:14:09 1971838 500 136 24 340 +79.17 +/- 16.67
66280 ncm-et-4 2019-01-16 10:54 01:14:54 1964768 500 141 23 336 +83.57 +/- 16.84
66279 ncm-et-3 2019-01-16 10:53 01:13:45 1966459 500 143 24 333 +84.31 +/- 17.02
66278 ncm-et-13 2019-01-16 10:53 01:14:41 1980556 500 135 29 336 +74.79 +/- 16.98
66277 ncm-et-9 2019-01-16 10:52 01:13:14 1980023 500 136 26 338 +77.71 +/- 16.82
66276 ncm-et-10 2019-01-16 09:40 01:13:46 1975317 500 144 30 326 +80.63 +/- 17.49
66275 ncm-et-4 2019-01-16 09:40 01:12:52 1965690 500 113 22 365 +63.95 +/- 15.34
66274 ncm-et-15 2019-01-16 09:39 01:14:52 1974834 500 156 23 321 +94.7 +/- 17.58
66273 ncm-et-3 2019-01-16 09:39 01:13:30 1975590 500 135 28 337 +75.52 +/- 16.91
66272 ncm-et-13 2019-01-16 09:38 01:13:32 1975008 500 124 21 355 +72.61 +/- 15.84
66271 ncm-et-9 2019-01-16 09:38 01:12:15 1978882 500 133 24 343 +76.98 +/- 16.52
66270 ncm-et-13 2019-01-16 08:25 01:12:29 1969250 500 140 29 331 +78.44 +/- 17.23
66269 ncm-et-4 2019-01-16 08:25 01:13:39 1967231 500 117 32 351 +59.64 +/- 16.28
66268 ncm-et-10 2019-01-16 08:25 01:13:39 1973707 500 129 16 355 +79.9 +/- 15.7
66267 ncm-et-3 2019-01-16 08:25 01:12:49 1985521 500 136 23 341 +79.9 +/- 16.6
66266 ncm-et-15 2019-01-16 08:25 01:13:33 1970982 500 128 28 344 +70.44 +/- 16.56
66265 ncm-et-9 2019-01-16 08:25 01:12:17 1975603 500 130 34 336 +67.55 +/- 17.08
766 ncm-et-4 2018-02-03 11:31 01:12:47 2027046 500 128 27 345 +71.16 +/- 16.49
765 ncm-et-3 2018-02-03 11:31 01:11:33 2027707 500 112 28 360 +58.93 +/- 15.74
764 ncm-et-4 2018-02-03 10:17 01:12:44 2028194 500 130 27 343 +72.61 +/- 16.59
763 ncm-et-3 2018-02-03 10:16 01:13:31 2028687 500 131 20 349 +78.44 +/- 16.12
762 ncm-et-4 2018-02-03 09:04 01:12:09 2025081 500 128 28 344 +70.44 +/- 16.56
761 ncm-et-3 2018-02-03 09:03 01:11:54 2026718 500 142 24 334 +83.57 +/- 16.97
760 ncm-et-3 2018-02-03 07:50 01:11:41 2027538 500 125 18 357 +75.52 +/- 15.65
759 ncm-et-4 2018-02-03 07:50 01:12:34 2024428 500 141 26 333 +81.37 +/- 17.06
758 ncm-et-4 2018-02-03 06:37 01:12:02 2028360 500 133 23 344 +77.71 +/- 16.44
757 ncm-et-3 2018-02-03 06:37 01:12:21 2026882 500 137 24 339 +79.9 +/- 16.72
756 ncm-et-3 2018-02-03 05:23 01:12:28 2025087 500 130 17 353 +79.9 +/- 15.83
755 ncm-et-4 2018-02-03 05:23 01:12:58 2025081 500 135 28 337 +75.52 +/- 16.91
754 ncm-et-3 2018-02-03 04:11 01:11:11 2027866 500 135 22 343 +79.9 +/- 16.47
753 ncm-et-4 2018-02-03 04:10 01:12:08 2026391 500 128 28 344 +70.44 +/- 16.56
752 ncm-et-3 2018-02-03 02:57 01:13:02 2025736 500 121 20 359 +71.16 +/- 15.6
751 ncm-et-4 2018-02-03 02:55 01:13:11 2025737 500 131 27 342 +73.34 +/- 16.64
750 ncm-et-4 2018-02-03 01:43 01:10:58 2027375 500 117 34 349 +58.21 +/- 16.42
749 ncm-et-3 2018-02-03 01:43 01:12:35 2026718 500 122 24 354 +68.99 +/- 15.96
748 ncm-et-3 2018-02-03 00:29 01:13:11 2025899 500 142 29 329 +79.9 +/- 17.33
747 ncm-et-4 2018-02-03 00:29 01:13:24 2023610 500 125 24 351 +71.16 +/- 16.11

Commit

Commit ID ca677526452823d1fe89543762edb66684e7bdc7
Author syzygy
Date 2016-10-21 04:15:45 UTC
Per-thread TB hit counters Use a per-thread counter to reduce contention with many cores and endgame positions. Measured around 1% speed-up on a 12 core and 8% on 28 cores with 6-men, searching on: 7R/1p3k2/2p2P2/3nR1P1/8/3b1P2/7K/r7 b - - 3 38 Also retire the unused set_nodes_searched() and fix a couple of return types and naming conventions. No functional change.
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