Dev Builds » 20200810-0912

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 08:36:26 1962962 3347 2333 46 968 +290.2 +/- 10.91
ncm-et-4 08:36:18 1953119 3294 2303 48 943 +291.04 +/- 11.06
ncm-et-9 08:36:13 1966979 3324 2321 46 957 +290.93 +/- 10.98
ncm-et-10 08:36:19 1964600 3336 2337 48 951 +292.07 +/- 11.02
ncm-et-13 08:36:16 1961800 3336 2345 56 935 +292.07 +/- 11.12
ncm-et-15 08:36:35 1971136 3363 2390 55 918 +297.49 +/- 11.23
20000 14029 299 5672 +292.3 +/- 4.51

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
136639 ncm-et-4 2020-08-30 12:06 00:45:27 1961064 294 212 6 76 +301.79 +/- 39.47
136638 ncm-et-9 2020-08-30 12:02 00:49:13 1966304 324 221 6 97 +277.66 +/- 34.75
136637 ncm-et-10 2020-08-30 11:59 00:52:29 1964154 336 225 10 101 +263.35 +/- 34.12
136636 ncm-et-13 2020-08-30 11:59 00:52:48 1962764 336 232 6 98 +283.34 +/- 34.59
136635 ncm-et-3 2020-08-30 11:58 00:52:56 1961997 347 242 4 101 +291.89 +/- 33.97
136634 ncm-et-15 2020-08-30 11:55 00:56:03 1968469 363 256 10 97 +286.57 +/- 34.84
136633 ncm-et-4 2020-08-30 10:46 01:18:20 1966175 500 352 6 142 +295.94 +/- 28.61
136632 ncm-et-9 2020-08-30 10:44 01:17:28 1963999 500 360 6 134 +306.84 +/- 29.51
136631 ncm-et-13 2020-08-30 10:40 01:17:01 1963532 500 338 9 153 +274.22 +/- 27.57
136630 ncm-et-3 2020-08-30 10:40 01:17:19 1962456 500 348 6 146 +290.66 +/- 28.19
136629 ncm-et-10 2020-08-30 10:40 01:18:05 1960787 500 343 6 151 +284.22 +/- 27.69
136628 ncm-et-15 2020-08-30 10:37 01:17:05 1968949 500 348 10 142 +285.49 +/- 28.7
136627 ncm-et-4 2020-08-30 09:29 01:16:07 1963074 500 359 10 131 +299.97 +/- 29.92
136626 ncm-et-9 2020-08-30 09:25 01:17:22 1971104 500 343 12 145 +276.69 +/- 28.41
136625 ncm-et-13 2020-08-30 09:23 01:16:10 1961996 500 349 6 145 +291.97 +/- 28.3
136624 ncm-et-3 2020-08-30 09:22 01:16:46 1962302 500 352 14 134 +285.49 +/- 29.58
136623 ncm-et-10 2020-08-30 09:22 01:16:39 1966164 500 365 5 130 +315.35 +/- 29.96
136622 ncm-et-15 2020-08-30 09:19 01:17:00 1965844 500 362 7 131 +308.24 +/- 29.88
136621 ncm-et-4 2020-08-30 08:09 01:19:03 1953498 500 356 7 137 +299.97 +/- 29.19
136620 ncm-et-9 2020-08-30 08:07 01:17:30 1972350 500 355 4 141 +302.7 +/- 28.65
136619 ncm-et-13 2020-08-30 08:05 01:16:38 1959849 500 342 12 146 +275.45 +/- 28.31
136618 ncm-et-10 2020-08-30 08:04 01:17:01 1960462 500 344 7 149 +284.22 +/- 27.92
136617 ncm-et-3 2020-08-30 08:04 01:17:19 1963994 500 362 6 132 +309.64 +/- 29.74
136616 ncm-et-15 2020-08-30 08:01 01:17:14 1966928 500 357 8 135 +299.97 +/- 29.44
136615 ncm-et-4 2020-08-30 06:48 01:19:31 1933406 500 342 5 153 +284.22 +/- 27.46
136614 ncm-et-9 2020-08-30 06:47 01:18:05 1962609 500 347 3 150 +293.29 +/- 27.67
136613 ncm-et-13 2020-08-30 06:47 01:17:06 1963686 500 360 7 133 +305.45 +/- 29.65
136612 ncm-et-10 2020-08-30 06:46 01:17:09 1968935 500 355 11 134 +293.29 +/- 29.58
136611 ncm-et-3 2020-08-30 06:45 01:17:42 1964148 500 338 7 155 +276.69 +/- 27.33
136610 ncm-et-15 2020-08-30 06:43 01:16:51 1976402 500 353 6 141 +297.28 +/- 28.72
136609 ncm-et-4 2020-08-30 05:29 01:18:06 1963395 500 343 7 150 +282.94 +/- 27.82
136608 ncm-et-3 2020-08-30 05:27 01:16:44 1964147 500 345 5 150 +288.06 +/- 27.75
136607 ncm-et-9 2020-08-30 05:27 01:19:20 1961229 500 345 8 147 +284.22 +/- 28.14
136606 ncm-et-13 2020-08-30 05:27 01:19:41 1958011 500 367 5 128 +318.25 +/- 30.2
136605 ncm-et-10 2020-08-30 05:26 01:18:25 1964467 500 358 3 139 +308.24 +/- 28.83
136604 ncm-et-15 2020-08-30 05:25 01:16:27 1975605 500 357 7 136 +301.33 +/- 29.3
136603 ncm-et-9 2020-08-30 04:09 01:17:15 1971263 500 350 7 143 +291.97 +/- 28.53
136602 ncm-et-13 2020-08-30 04:09 01:16:52 1962763 500 357 11 132 +295.94 +/- 29.81
136601 ncm-et-10 2020-08-30 04:09 01:16:31 1967231 500 347 6 147 +289.36 +/- 28.09
136600 ncm-et-4 2020-08-30 04:08 01:19:44 1931225 500 339 7 154 +277.93 +/- 27.43
136599 ncm-et-3 2020-08-30 04:08 01:17:40 1961690 500 346 4 150 +290.66 +/- 27.71
136598 ncm-et-15 2020-08-30 04:08 01:15:55 1975760 500 357 7 136 +301.33 +/- 29.3

Commit

Commit ID 875183b310a8249922c2155e82cb4cecfae2097e
Author mstembera
Date 2020-08-10 09:12:35 UTC
Workaround using unaligned loads for gcc < 9 despite usage of alignas, the generated (avx2/avx512) code with older compilers needs to use unaligned loads with older gcc (e.g. confirmed crash with gcc 7.3/mingw on abrok). Better performance thus requires gcc >= 9 on hardware supporting avx2/avx512 closes https://github.com/official-stockfish/Stockfish/pull/2969 No functional change
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