Dev Builds » 20210316-1954

You are viewing an old NCM Stockfish dev build test. You may find the most recent dev build tests using Stockfish 15 as the baseline here.

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 08:20:29 1966620 3354 2651 15 688 +368.52 ± 12.96
ncm-et-4 08:21:34 1962634 3345 2719 11 615 +391.13 ± 13.72
ncm-et-9 08:21:31 1958117 3320 2681 10 629 +386.1 ± 13.56
ncm-et-10 08:21:14 1953095 3302 2622 18 662 +370.98 ± 13.23
ncm-et-13 08:21:26 1962620 3357 2673 17 667 +373.35 ± 13.18
ncm-et-15 08:21:10 1962169 3322 2686 17 619 +385.03 ± 13.69
20000 16032 88 3880 +379.01 ± 5.46

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
145377 ncm-et-10 2021-03-18 07:19 00:46:23 1951918 302 245 2 55 +386.22 ± 46.7
145376 ncm-et-9 2021-03-18 07:18 00:47:51 1964940 320 257 1 62 +381.7 ± 43.78
145375 ncm-et-15 2021-03-18 07:16 00:49:08 1950096 322 268 0 54 +415.38 ± 47.01
145374 ncm-et-4 2021-03-18 07:14 00:51:31 1971128 345 276 2 67 +376.17 ± 42.13
145373 ncm-et-13 2021-03-18 07:12 00:52:59 1967087 357 285 4 68 +369.6 ± 41.86
145372 ncm-et-3 2021-03-18 07:12 00:53:23 1968162 354 272 0 82 +353.1 ± 37.68
145371 ncm-et-10 2021-03-18 06:03 01:15:05 1954824 500 403 3 94 +381.7 ± 35.44
145370 ncm-et-9 2021-03-18 06:02 01:15:10 1968955 500 406 0 94 +393.6 ± 35.29
145369 ncm-et-15 2021-03-18 06:01 01:14:33 1961080 500 400 2 98 +377.87 ± 34.64
145368 ncm-et-4 2021-03-18 05:59 01:14:20 1965558 500 404 2 94 +385.59 ± 35.4
145367 ncm-et-3 2021-03-18 05:56 01:14:50 1964929 500 403 5 92 +377.87 ± 35.86
145366 ncm-et-13 2021-03-18 05:56 01:15:35 1958775 500 394 2 104 +366.78 ± 33.58
145365 ncm-et-10 2021-03-18 04:46 01:16:18 1951156 500 395 4 101 +364.98 ± 34.16
145364 ncm-et-9 2021-03-18 04:46 01:14:59 1957104 500 392 0 108 +366.77 ± 32.8
145363 ncm-et-15 2021-03-18 04:45 01:15:14 1968007 500 394 2 104 +366.78 ± 33.58
145362 ncm-et-4 2021-03-18 04:43 01:14:52 1961230 500 420 1 79 +421.93 ± 38.73
145361 ncm-et-3 2021-03-18 04:42 01:14:10 1969860 500 393 0 107 +368.58 ± 32.96
145360 ncm-et-13 2021-03-18 04:42 01:13:57 1961383 500 404 2 94 +385.59 ± 35.4
145359 ncm-et-10 2021-03-18 03:31 01:14:57 1956024 500 390 1 109 +361.43 ± 32.7
145358 ncm-et-9 2021-03-18 03:30 01:15:00 1956179 500 399 3 98 +374.11 ± 34.68
145357 ncm-et-15 2021-03-18 03:30 01:14:48 1967885 500 417 5 78 +406.2 ± 39.03
145356 ncm-et-4 2021-03-18 03:27 01:15:32 1956344 500 403 2 95 +383.64 ± 35.21
145355 ncm-et-3 2021-03-18 03:27 01:13:58 1972341 500 401 2 97 +379.78 ± 34.83
145354 ncm-et-13 2021-03-18 03:27 01:14:07 1964476 500 397 1 102 +374.11 ± 33.87
145353 ncm-et-9 2021-03-18 02:13 01:16:30 1958779 500 407 2 91 +391.57 ± 36.01
145352 ncm-et-15 2021-03-18 02:13 01:15:49 1965534 500 405 3 92 +385.59 ± 35.84
145351 ncm-et-10 2021-03-18 02:13 01:17:19 1952827 500 403 2 95 +383.64 ± 35.21
145350 ncm-et-4 2021-03-18 02:13 01:13:58 1964778 500 404 1 95 +387.57 ± 35.16
145349 ncm-et-3 2021-03-18 02:12 01:14:34 1969335 500 397 3 100 +370.41 ± 34.31
145348 ncm-et-13 2021-03-18 02:11 01:14:56 1962008 500 392 1 107 +364.98 ± 33.02
145347 ncm-et-10 2021-03-18 00:57 01:14:49 1961922 500 387 5 108 +349.43 ± 33.01
145346 ncm-et-4 2021-03-18 00:57 01:14:58 1962303 500 416 0 84 +415.04 ± 37.43
145345 ncm-et-3 2021-03-18 00:57 01:14:11 1963854 500 394 2 104 +366.78 ± 33.58
145344 ncm-et-15 2021-03-18 00:57 01:15:44 1971572 500 401 3 96 +377.87 ± 35.05
145343 ncm-et-9 2021-03-18 00:57 01:15:52 1956047 500 407 2 91 +391.57 ± 36.01
145342 ncm-et-13 2021-03-18 00:56 01:14:39 1961543 500 398 3 99 +372.25 ± 34.49
145341 ncm-et-3 2021-03-17 23:41 01:15:23 1957861 500 391 3 106 +359.68 ± 33.28
145340 ncm-et-15 2021-03-17 23:40 01:15:54 1951010 500 401 2 97 +379.78 ± 34.83
145339 ncm-et-10 2021-03-17 23:40 01:16:23 1942998 500 399 1 100 +377.87 ± 34.22
145338 ncm-et-13 2021-03-17 23:40 01:15:13 1963072 500 403 4 93 +379.78 ± 35.66
145337 ncm-et-4 2021-03-17 23:40 01:16:23 1957100 500 396 3 101 +368.59 ± 34.13
145336 ncm-et-9 2021-03-17 23:40 01:16:09 1944816 500 413 2 85 +404.05 ± 37.32

Commit

Commit ID 939395729c78dd43816826ffdb0a61f33a833e9f
Author bmc4
Date 2021-03-16 19:54:52 UTC
Introduce least_significant_square_bb() Introducing least_significant_square_bb(). It is a function that returns a value equal to square_bb(lsb(bb)), but it uses fewer instruction. It should speed up more on older processors like armv7-a Clang. Passed STC: LLR: 2.93 (-2.94,2.94) {-0.25,1.25} Total: 213200 W: 19171 L: 18753 D: 175276 Ptnml(0-2): 680, 14513, 75831, 14861, 715 https://tests.stockfishchess.org/tests/view/604bc7632433018de7a38982 Closes https://github.com/official-stockfish/Stockfish/pull/3391 No functional change
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