Dev Builds » 20200513-1857

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo
ncm-dbt-01 06:25:31 582093 4000 50 2620 1330 -264.89 ± 6.79 639 1293 67 1 0 -702.26 ± 42.37
ncm-dbt-02 06:25:28 585620 4002 65 2596 1341 -259.0 ± 6.72 615 1302 83 1 0 -665.41 ± 37.93
ncm-dbt-03 06:24:18 585456 4000 61 2581 1358 -257.59 ± 6.78 615 1291 93 1 0 -645.56 ± 35.77
ncm-dbt-04 06:24:46 568663 4000 57 2578 1365 -257.74 ± 6.62 600 1324 73 3 0 -678.31 ± 40.46
ncm-dbt-05 06:25:41 582137 3998 62 2576 1360 -256.91 ± 6.66 597 1325 73 3 1 -673.79 ± 40.39
20000 295 12951 6754 -259.21 ± 3.0 3066 6535 389 9 1 -672.13 ± 17.31

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
440498 ncm-dbt-02 586097 2 0 1 1 -189.7 ± 55.98 0 1 0 0 0 -1129.65 ± 376.02
440497 ncm-dbt-05 581153 498 6 319 173 -256.74 ± 18.62 73 168 7 1 0 -694.03 ± 156.93
440496 ncm-dbt-01 583363 500 11 320 169 -250.76 ± 19.14 74 161 15 0 0 -603.84 ± 95.91
440495 ncm-dbt-04 568633 500 4 320 176 -258.75 ± 18.54 74 169 6 1 0 -715.55 ± 177.2
440494 ncm-dbt-03 584790 500 10 327 163 -259.9 ± 19.78 80 157 13 0 0 -629.41 ± 104.8
440493 ncm-dbt-02 585928 500 9 318 173 -250.76 ± 18.08 70 169 11 0 0 -659.13 ± 116.77
440492 ncm-dbt-05 585337 500 7 332 161 -269.37 ± 21.48 86 156 6 1 1 -676.08 ± 161.25
440491 ncm-dbt-04 569669 500 12 326 162 -256.44 ± 19.6 77 161 11 1 0 -629.43 ± 115.29
440490 ncm-dbt-01 579992 500 7 311 182 -245.2 ± 17.09 63 179 7 1 0 -694.74 ± 156.93
440489 ncm-dbt-02 585126 500 9 317 174 -249.64 ± 18.21 70 168 12 0 0 -643.67 ± 110.29
440488 ncm-dbt-03 585928 500 7 322 171 -257.59 ± 19.22 77 161 12 0 0 -643.67 ± 110.29
440487 ncm-dbt-05 579166 500 5 326 169 -264.59 ± 18.41 77 167 6 0 0 -766.17 ± 188.02
440486 ncm-dbt-04 568395 500 8 330 162 -265.77 ± 19.97 83 156 11 0 0 -659.13 ± 116.77
440485 ncm-dbt-01 578630 500 4 325 171 -264.59 ± 18.41 77 167 6 0 0 -766.17 ± 188.02
440484 ncm-dbt-03 586350 500 4 334 162 -275.44 ± 20.59 89 152 9 0 0 -694.7 ± 134.18
440483 ncm-dbt-02 585379 500 10 336 154 -270.57 ± 21.1 88 151 10 1 0 -643.7 ± 122.54
440482 ncm-dbt-04 568752 500 6 317 177 -253.02 ± 18.1 71 169 10 0 0 -676.04 ± 124.55
440481 ncm-dbt-05 582778 500 7 319 174 -254.15 ± 18.52 73 166 11 0 0 -659.13 ± 116.77
440480 ncm-dbt-01 580365 500 8 330 162 -265.77 ± 19.69 82 158 10 0 0 -676.04 ± 124.55
440479 ncm-dbt-02 587707 500 5 334 161 -274.22 ± 19.57 85 159 6 0 0 -766.17 ± 188.02
440478 ncm-dbt-03 585253 500 9 326 165 -259.9 ± 19.51 79 159 12 0 0 -643.67 ± 110.29
440477 ncm-dbt-04 567363 500 7 318 175 -253.02 ± 17.26 68 175 7 0 0 -739.05 ± 163.27
440476 ncm-dbt-05 577356 500 12 317 171 -246.3 ± 18.56 69 168 12 1 0 -616.2 ± 109.19
440475 ncm-dbt-01 585253 500 4 334 162 -275.44 ± 19.71 86 158 6 0 0 -766.17 ± 188.02
440474 ncm-dbt-03 585169 500 7 316 177 -250.76 ± 17.81 69 171 10 0 0 -676.04 ± 124.55
440473 ncm-dbt-02 583196 500 10 311 179 -241.91 ± 17.46 64 173 13 0 0 -629.41 ± 104.8
440472 ncm-dbt-04 568474 500 7 318 175 -253.02 ± 17.82 70 171 9 0 0 -694.7 ± 134.18
440471 ncm-dbt-05 584201 500 8 313 179 -246.3 ± 17.51 66 173 11 0 0 -659.13 ± 116.77
440470 ncm-dbt-01 584453 500 5 326 169 -264.59 ± 18.98 79 163 8 0 0 -715.51 ± 146.53
440469 ncm-dbt-03 582694 500 11 315 174 -245.2 ± 19.41 72 161 16 1 0 -571.11 ± 91.87
440468 ncm-dbt-02 590181 500 2 316 182 -256.44 ± 17.69 71 172 7 0 0 -739.05 ± 163.27
440467 ncm-dbt-04 568991 500 7 320 173 -255.3 ± 18.93 74 166 9 1 0 -659.17 ± 131.36
440466 ncm-dbt-05 582110 500 6 332 162 -270.57 ± 19.42 83 160 7 0 0 -739.05 ± 163.27
440465 ncm-dbt-01 584117 500 8 335 157 -271.78 ± 20.43 87 153 10 0 0 -676.04 ± 124.55
440464 ncm-dbt-03 585928 500 9 317 174 -249.64 ± 18.21 70 168 12 0 0 -643.67 ± 110.29
440463 ncm-dbt-02 580323 500 10 332 158 -265.77 ± 20.24 84 154 12 0 0 -643.67 ± 110.29
440462 ncm-dbt-05 585000 500 11 318 171 -248.52 ± 18.33 70 167 13 0 0 -629.41 ± 104.8
440461 ncm-dbt-02 586646 500 10 331 159 -264.59 ± 20.09 83 155 12 0 0 -643.67 ± 110.29
440460 ncm-dbt-03 587537 500 4 324 172 -263.41 ± 19.12 79 162 9 0 0 -694.7 ± 134.18
440459 ncm-dbt-04 569031 500 6 329 165 -266.96 ± 19.84 83 157 10 0 0 -676.04 ± 124.55
440458 ncm-dbt-01 580572 500 3 339 158 -282.94 ± 20.29 91 154 5 0 0 -798.18 ± 231.48

Commit

Commit ID d4763424d2728fe2dfd0a6fe747666feb6a2fdbb
Author Sami Kiminki
Date 2020-05-13 18:57:47 UTC
Add support for Windows large pages for users that set the needed privilige "Lock Pages in Memory" large pages will be automatically enabled (see Readme.md). This expert setting might improve speed, 5% - 30%, depending on the hardware, the number of threads and hash size. More for large hashes, large number of threads and NUMA. If the operating system can not allocate large pages (easier after a reboot), default allocation is used automatically. The engine log provides details. closes https://github.com/official-stockfish/Stockfish/pull/2656 fixes https://github.com/official-stockfish/Stockfish/issues/2619 No functional change
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