Dev Builds » 20201125-2010

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 01:46:04 1974680 707 560 6 141 +366.41 +/- 28.84
ncm-et-4 09:44:47 1969001 3884 3043 18 823 +362.17 +/- 11.85
ncm-et-9 09:44:38 1967262 3857 3045 19 793 +367.27 +/- 12.08
ncm-et-10 09:44:18 1961460 3853 2995 22 836 +355.87 +/- 11.76
ncm-et-13 09:41:03 1962418 3826 2998 22 806 +361.29 +/- 11.98
ncm-et-15 09:45:37 1969659 3873 3047 20 806 +364.59 +/- 11.98
20000 15688 107 4205 +362.36 +/- 5.24

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
140862 ncm-et-3 2020-11-26 15:27 00:31:01 1976232 207 162 1 44 +361.24 +/- 52.27
140861 ncm-et-13 2020-11-26 14:53 01:04:50 1963532 427 339 3 85 +369.39 +/- 37.3
140860 ncm-et-10 2020-11-26 14:50 01:08:01 1966461 458 365 1 92 +376.7 +/- 35.71
140859 ncm-et-4 2020-11-26 14:49 01:08:30 1966776 463 363 1 99 +364.85 +/- 34.36
140858 ncm-et-9 2020-11-26 14:49 01:08:39 1969717 455 353 2 100 +355.72 +/- 34.23
140857 ncm-et-15 2020-11-26 14:49 01:08:57 1974203 460 364 3 93 +367.48 +/- 35.61
140856 ncm-et-3 2020-11-26 14:11 01:15:03 1973128 500 398 5 97 +368.59 +/- 34.9
140820 ncm-et-10 2020-11-26 04:56 00:58:59 1961248 395 308 5 82 +352.03 +/- 38.01
140819 ncm-et-9 2020-11-26 04:55 00:59:52 1966943 402 323 2 77 +380.26 +/- 39.22
140818 ncm-et-13 2020-11-26 04:54 01:00:26 1961842 399 308 2 89 +351.88 +/- 36.33
140817 ncm-et-15 2020-11-26 04:53 01:02:07 1959851 413 336 5 72 +383.1 +/- 40.65
140816 ncm-et-4 2020-11-26 04:51 01:03:52 1967233 421 334 0 87 +375.37 +/- 36.65
140815 ncm-et-10 2020-11-26 03:38 01:16:30 1955879 500 390 6 104 +352.8 +/- 33.67
140814 ncm-et-9 2020-11-26 03:37 01:16:58 1964917 500 386 4 110 +349.43 +/- 32.67
140813 ncm-et-13 2020-11-26 03:37 01:16:14 1961381 500 370 5 125 +322.67 +/- 30.58
140812 ncm-et-15 2020-11-26 03:35 01:16:10 1968164 500 387 1 112 +356.21 +/- 32.24
140811 ncm-et-4 2020-11-26 03:34 01:16:00 1965843 500 391 3 106 +359.68 +/- 33.28
140810 ncm-et-10 2020-11-26 02:21 01:16:12 1963242 500 395 2 103 +368.59 +/- 33.75
140809 ncm-et-13 2020-11-26 02:21 01:14:53 1961843 500 389 2 109 +357.94 +/- 32.76
140808 ncm-et-9 2020-11-26 02:20 01:15:43 1965386 500 391 3 106 +359.68 +/- 33.28
140807 ncm-et-15 2020-11-26 02:19 01:15:11 1969558 500 393 2 105 +364.98 +/- 33.41
140806 ncm-et-4 2020-11-26 02:18 01:15:14 1970639 500 407 2 91 +391.57 +/- 36.01
140805 ncm-et-10 2020-11-26 01:04 01:16:19 1966315 500 398 2 100 +374.11 +/- 34.27
140804 ncm-et-13 2020-11-26 01:03 01:16:57 1964147 500 393 2 105 +364.98 +/- 33.41
140803 ncm-et-9 2020-11-26 01:02 01:16:39 1971408 500 396 2 102 +370.41 +/- 33.92
140802 ncm-et-15 2020-11-26 01:02 01:16:33 1971724 500 389 2 109 +357.94 +/- 32.76
140801 ncm-et-4 2020-11-26 01:01 01:15:10 1967562 500 387 1 112 +356.21 +/- 32.24
140800 ncm-et-10 2020-11-25 23:47 01:15:38 1960342 500 370 2 128 +327.18 +/- 30.08
140799 ncm-et-9 2020-11-25 23:47 01:14:39 1965387 500 403 2 95 +383.64 +/- 35.21
140798 ncm-et-13 2020-11-25 23:45 01:16:50 1962611 500 399 2 99 +375.98 +/- 34.46
140797 ncm-et-4 2020-11-25 23:45 01:15:20 1971434 500 388 4 108 +352.8 +/- 32.99
140796 ncm-et-15 2020-11-25 23:45 01:15:37 1966922 500 397 3 100 +370.41 +/- 34.31
140795 ncm-et-10 2020-11-25 22:30 01:15:55 1959850 500 368 4 128 +321.19 +/- 30.17
140794 ncm-et-9 2020-11-25 22:30 01:16:09 1971879 500 390 1 109 +361.43 +/- 32.7
140793 ncm-et-13 2020-11-25 22:29 01:14:28 1963228 500 405 4 91 +383.64 +/- 36.06
140792 ncm-et-4 2020-11-25 22:29 01:15:02 1973590 500 398 1 101 +375.98 +/- 34.04
140791 ncm-et-15 2020-11-25 22:28 01:15:47 1973428 500 394 0 106 +370.41 +/- 33.12
140790 ncm-et-9 2020-11-25 21:13 01:15:59 1962466 500 403 3 94 +381.7 +/- 35.44
140789 ncm-et-10 2020-11-25 21:12 01:16:44 1958345 500 401 0 99 +383.63 +/- 34.34
140788 ncm-et-4 2020-11-25 21:12 01:15:39 1968937 500 375 6 119 +328.7 +/- 31.4
140787 ncm-et-13 2020-11-25 21:12 01:16:25 1960767 500 395 2 103 +368.59 +/- 33.75
140786 ncm-et-15 2020-11-25 21:12 01:15:15 1973425 500 387 4 109 +351.11 +/- 32.83

Commit

Commit ID 7615e3485e75c2f1715d372f7bb1f546738a5c76
Author MaximMolchanov
Date 2020-11-25 20:10:13 UTC
Calculate sum from first elements in affine transform for AVX512/AVX2/SSSE3 The idea is to initialize sum with the first element instead of zero. Reduce one add_epi32 and one set_zero SIMD instructions for each output dimension. sum = 0; for i = 1 to n sum += a[i] -> sum = a[1]; for i = 2 to n sum += a[i] STC: LLR: 2.95 (-2.94,2.94) {-0.25,1.25} Total: 69048 W: 7024 L: 6799 D: 55225 Ptnml(0-2): 260, 5175, 23458, 5342, 289 https://tests.stockfishchess.org/tests/view/5faf2cf467cbf42301d6aa06 closes https://github.com/official-stockfish/Stockfish/pull/3227 No functional change.
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