Dev Builds » 20200822-0900

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 08:36:15 1962373 3331 2475 54 802 +320.31 +/- 12.03
ncm-et-4 08:32:17 1968945 3303 2477 43 783 +327.87 +/- 12.17
ncm-et-9 08:37:45 1967910 3318 2475 44 799 +324.67 +/- 12.05
ncm-et-10 08:37:09 1959839 3314 2423 44 847 +313.81 +/- 11.69
ncm-et-13 08:38:23 1963162 3367 2494 48 825 +320.06 +/- 11.86
ncm-et-15 08:41:08 1968434 3367 2519 45 803 +326.25 +/- 12.02
20000 14863 278 4859 +322.12 +/- 4.88

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
135745 ncm-et-4 2020-08-22 19:58 00:46:54 1975136 303 223 10 70 +303.36 +/- 41.01
135744 ncm-et-9 2020-08-22 19:56 00:49:31 1967868 318 243 6 69 +334.32 +/- 41.5
135743 ncm-et-10 2020-08-22 19:55 00:49:52 1954042 314 225 4 85 +303.95 +/- 37.18
135742 ncm-et-3 2020-08-22 19:52 00:53:17 1956949 331 235 7 89 +293.83 +/- 36.4
135741 ncm-et-15 2020-08-22 19:49 00:55:50 1971723 367 290 3 74 +365.0 +/- 40.05
135740 ncm-et-13 2020-08-22 19:48 00:57:13 1964304 367 263 4 100 +305.26 +/- 34.2
135739 ncm-et-4 2020-08-22 18:40 01:17:12 1968006 500 387 4 109 +351.11 +/- 32.83
135738 ncm-et-9 2020-08-22 18:37 01:18:09 1969400 500 365 3 132 +318.25 +/- 29.64
135737 ncm-et-10 2020-08-22 18:36 01:18:45 1961711 500 372 7 121 +322.67 +/- 31.15
135736 ncm-et-3 2020-08-22 18:33 01:17:30 1964457 500 369 13 118 +309.64 +/- 31.53
135735 ncm-et-15 2020-08-22 18:31 01:17:16 1963077 500 351 5 144 +295.94 +/- 28.37
135734 ncm-et-13 2020-08-22 18:30 01:16:47 1964457 500 355 11 134 +293.29 +/- 29.58
135733 ncm-et-4 2020-08-22 17:22 01:17:17 1977006 500 389 7 104 +349.43 +/- 33.67
135732 ncm-et-9 2020-08-22 17:17 01:18:57 1972665 500 376 7 117 +328.7 +/- 31.7
135731 ncm-et-10 2020-08-22 17:16 01:18:09 1958634 500 357 7 136 +301.33 +/- 29.3
135730 ncm-et-3 2020-08-22 17:14 01:17:48 1960310 500 376 6 118 +330.23 +/- 31.54
135729 ncm-et-15 2020-08-22 17:13 01:17:11 1971719 500 372 9 119 +319.72 +/- 31.43
135728 ncm-et-13 2020-08-22 17:12 01:16:50 1960007 500 375 5 120 +330.23 +/- 31.24
135727 ncm-et-4 2020-08-22 16:04 01:16:30 1967695 500 385 7 108 +342.85 +/- 33.03
135726 ncm-et-10 2020-08-22 16:00 01:15:41 1961693 500 373 3 124 +330.23 +/- 30.64
135725 ncm-et-9 2020-08-22 15:58 01:17:14 1963559 500 373 11 116 +318.25 +/- 31.83
135724 ncm-et-3 2020-08-22 15:57 01:16:09 1964303 500 373 7 120 +324.17 +/- 31.28
135723 ncm-et-13 2020-08-22 15:54 01:16:33 1965226 500 363 6 131 +311.06 +/- 29.86
135722 ncm-et-15 2020-08-22 15:53 01:18:21 1972347 500 391 3 106 +359.68 +/- 33.28
135721 ncm-et-4 2020-08-22 14:46 01:16:33 1960768 500 359 3 138 +309.64 +/- 28.94
135720 ncm-et-9 2020-08-22 14:39 01:17:56 1969406 500 371 6 123 +322.67 +/- 30.87
135719 ncm-et-10 2020-08-22 14:39 01:19:31 1957552 500 366 7 127 +313.91 +/- 30.37
135718 ncm-et-3 2020-08-22 14:39 01:17:28 1962455 500 398 4 98 +370.41 +/- 34.7
135717 ncm-et-13 2020-08-22 14:37 01:16:36 1963533 500 385 3 112 +349.43 +/- 32.33
135716 ncm-et-15 2020-08-22 14:36 01:16:09 1968162 500 371 5 124 +324.17 +/- 30.71
135715 ncm-et-4 2020-08-22 13:27 01:17:55 1964614 500 361 7 132 +306.84 +/- 29.77
135714 ncm-et-10 2020-08-22 13:21 01:16:45 1963240 500 370 11 119 +313.91 +/- 31.42
135713 ncm-et-9 2020-08-22 13:20 01:18:09 1963690 500 380 8 112 +333.32 +/- 32.42
135712 ncm-et-3 2020-08-22 13:20 01:17:32 1963532 500 369 6 125 +319.72 +/- 30.61
135711 ncm-et-13 2020-08-22 13:19 01:16:48 1960462 500 376 9 115 +325.67 +/- 31.98
135710 ncm-et-15 2020-08-22 13:17 01:17:39 1964610 500 370 10 120 +315.35 +/- 31.3
135709 ncm-et-4 2020-08-22 12:06 01:19:56 1969394 500 373 5 122 +327.18 +/- 30.97
135708 ncm-et-3 2020-08-22 12:02 01:16:31 1964611 500 355 11 134 +293.29 +/- 29.58
135707 ncm-et-10 2020-08-22 12:02 01:18:26 1962005 500 360 5 135 +308.24 +/- 29.36
135706 ncm-et-9 2020-08-22 12:01 01:17:49 1968786 500 367 3 130 +321.19 +/- 29.88
135705 ncm-et-13 2020-08-22 12:00 01:17:36 1964148 500 377 10 113 +325.67 +/- 32.26
135704 ncm-et-15 2020-08-22 11:58 01:18:42 1967401 500 374 10 116 +321.19 +/- 31.84

Commit

Commit ID 34f67c57223d73ad40d583ccc033c75eb0df2453
Author Joost VandeVondele
Date 2020-08-22 09:00:45 UTC
Explicitly rely on pthreads if possible allows us to set the needed stacksize on thread creation. Useful for environments with too small a default stack size (e.g. Alpine Linux with musl). Passed STC, no regression: LLR: 2.96 (-2.94,2.94) {-1.25,0.25} Total: 17816 W: 1344 L: 1275 D: 15197 Ptnml(0-2): 30, 1057, 6682, 1092, 47 https://tests.stockfishchess.org/tests/view/5f402b5587a5c3c63d8f534d closes https://github.com/official-stockfish/Stockfish/pull/3047 fixes https://github.com/official-stockfish/Stockfish/issues/3041 No functional change.
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