Dev Builds » 20201102-1841

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 08:24:39 1962091 3350 2652 19 679 +368.56 +/- 13.06
ncm-et-4 08:24:47 1964624 3313 2616 18 679 +366.94 +/- 13.06
ncm-et-9 08:23:53 1966713 3334 2611 15 708 +362.0 +/- 12.77
ncm-et-10 08:24:17 1959976 3335 2602 27 706 +356.31 +/- 12.82
ncm-et-13 08:25:00 1961518 3340 2647 19 674 +369.34 +/- 13.11
ncm-et-15 08:24:40 1970226 3328 2579 21 728 +353.33 +/- 12.6
20000 15707 119 4174 +362.67 +/- 5.26

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
140295 ncm-et-4 2020-11-03 05:07 00:48:40 1957890 313 248 1 64 +371.46 +/- 43.03
140294 ncm-et-15 2020-11-03 05:06 00:50:09 1970172 328 262 3 63 +371.92 +/- 43.53
140293 ncm-et-10 2020-11-03 05:05 00:51:21 1960171 335 260 5 70 +347.1 +/- 41.22
140292 ncm-et-9 2020-11-03 05:04 00:51:25 1965396 334 263 1 70 +367.17 +/- 41.07
140291 ncm-et-13 2020-11-03 05:04 00:51:56 1959701 340 279 2 59 +396.38 +/- 45.05
140290 ncm-et-3 2020-11-03 05:04 00:52:38 1959390 350 268 0 82 +350.87 +/- 37.67
140289 ncm-et-4 2020-11-03 03:51 01:15:10 1963130 500 395 1 104 +370.41 +/- 33.52
140288 ncm-et-15 2020-11-03 03:50 01:15:24 1971568 500 382 5 113 +341.24 +/- 32.24
140287 ncm-et-10 2020-11-03 03:48 01:15:23 1950838 500 399 3 98 +374.11 +/- 34.68
140286 ncm-et-9 2020-11-03 03:48 01:14:58 1970330 500 391 3 106 +359.68 +/- 33.28
140285 ncm-et-3 2020-11-03 03:48 01:14:46 1964455 500 389 1 110 +359.68 +/- 32.55
140284 ncm-et-13 2020-11-03 03:48 01:15:39 1963224 500 398 0 102 +377.87 +/- 33.8
140283 ncm-et-10 2020-11-03 02:33 01:14:47 1959857 500 398 2 100 +374.11 +/- 34.27
140282 ncm-et-13 2020-11-03 02:32 01:14:12 1962303 500 416 4 80 +406.2 +/- 38.54
140281 ncm-et-3 2020-11-03 02:32 01:14:36 1961231 500 399 3 98 +374.11 +/- 34.68
140280 ncm-et-9 2020-11-03 02:32 01:15:36 1966472 500 387 2 111 +354.5 +/- 32.44
140279 ncm-et-4 2020-11-03 02:32 01:18:35 1943490 500 400 5 95 +372.25 +/- 35.28
140278 ncm-et-15 2020-11-03 02:31 01:17:35 1969709 500 385 3 112 +349.43 +/- 32.33
140277 ncm-et-3 2020-11-03 01:16 01:14:45 1960002 500 399 3 98 +374.11 +/- 34.68
140276 ncm-et-15 2020-11-03 01:16 01:14:21 1971105 500 379 2 119 +341.24 +/- 31.27
140275 ncm-et-13 2020-11-03 01:15 01:15:50 1964156 500 382 2 116 +346.12 +/- 31.7
140274 ncm-et-10 2020-11-03 01:15 01:16:14 1960167 500 392 3 105 +361.43 +/- 33.45
140273 ncm-et-4 2020-11-03 01:14 01:16:16 1971414 500 395 4 101 +364.98 +/- 34.16
140272 ncm-et-9 2020-11-03 01:14 01:16:50 1956251 500 395 2 103 +368.59 +/- 33.75
140271 ncm-et-3 2020-11-03 00:00 01:15:34 1966643 500 404 4 92 +381.7 +/- 35.86
140270 ncm-et-13 2020-11-02 23:59 01:14:54 1963225 500 402 2 96 +381.7 +/- 35.02
140269 ncm-et-15 2020-11-02 23:59 01:15:14 1971262 500 376 4 120 +333.32 +/- 31.22
140268 ncm-et-10 2020-11-02 23:59 01:15:24 1964008 500 397 9 94 +359.68 +/- 35.41
140267 ncm-et-9 2020-11-02 23:58 01:14:57 1974523 500 393 3 104 +363.2 +/- 33.62
140266 ncm-et-4 2020-11-02 23:57 01:15:58 1967859 500 388 2 110 +356.21 +/- 32.6
140265 ncm-et-10 2020-11-02 22:44 01:14:11 1964160 500 383 2 115 +347.77 +/- 31.84
140264 ncm-et-13 2020-11-02 22:43 01:15:14 1961534 500 385 4 111 +347.77 +/- 32.52
140263 ncm-et-15 2020-11-02 22:42 01:15:52 1975919 500 397 4 99 +368.59 +/- 34.52
140262 ncm-et-9 2020-11-02 22:42 01:14:58 1962456 500 395 2 103 +368.59 +/- 33.75
140261 ncm-et-3 2020-11-02 22:41 01:17:04 1961382 500 402 5 93 +375.98 +/- 35.66
140260 ncm-et-4 2020-11-02 22:41 01:14:59 1976384 500 408 1 91 +395.65 +/- 35.96
140259 ncm-et-10 2020-11-02 21:26 01:16:57 1960633 500 373 3 124 +330.23 +/- 30.64
140258 ncm-et-9 2020-11-02 21:26 01:15:09 1971569 500 387 2 111 +354.5 +/- 32.44
140257 ncm-et-15 2020-11-02 21:25 01:16:05 1961847 500 398 0 102 +377.87 +/- 33.8
140256 ncm-et-3 2020-11-02 21:25 01:15:16 1961538 500 391 3 106 +359.68 +/- 33.28
140255 ncm-et-4 2020-11-02 21:25 01:15:09 1972203 500 382 4 114 +342.85 +/- 32.07
140254 ncm-et-13 2020-11-02 21:25 01:17:15 1956484 500 385 5 110 +346.12 +/- 32.7

Commit

Commit ID 75e06a1c89ebac9c9ec4247bc82ec728a2bffe1e
Author Tomasz Sobczyk
Date 2020-11-02 18:41:17 UTC
Optimize affine transform for SSSE3 and higher targets. A non-functional speedup. Unroll the loops going over the output dimensions in the affine transform layers by a factor of 4 and perform 4 horizontal additions at a time. Instead of doing naive horizontal additions on each vector separately use hadd and shuffling between vectors to reduce the number of instructions by using all lanes for all stages of the horizontal adds. passed STC of the initial version: LLR: 2.95 (-2.94,2.94) {-0.25,1.25} Total: 17808 W: 1914 L: 1756 D: 14138 Ptnml(0-2): 76, 1330, 5948, 1460, 90 https://tests.stockfishchess.org/tests/view/5f9d516f6a2c112b60691da3 passed STC of the final version after cleanup: LLR: 2.95 (-2.94,2.94) {-0.25,1.25} Total: 16296 W: 1750 L: 1595 D: 12951 Ptnml(0-2): 72, 1192, 5479, 1319, 86 https://tests.stockfishchess.org/tests/view/5f9df5776a2c112b60691de3 closes https://github.com/official-stockfish/Stockfish/pull/3203 No functional change
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