Dev Builds » 20200812-0549

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 06:33:30 583469 4000 76 2611 1313 -259.76 ± 6.91 631 1276 90 3 0 -643.7 ± 36.35
ncm-dbt-02 06:33:20 586559 4014 75 2602 1337 -257.33 ± 6.8 620 1287 100 0 0 -637.04 ± 34.45
ncm-dbt-03 06:32:47 585719 4000 64 2619 1317 -262.68 ± 6.91 642 1272 85 1 0 -661.2 ± 37.47
ncm-dbt-04 06:32:43 568248 3986 58 2629 1299 -266.38 ± 6.96 656 1259 78 0 0 -679.94 ± 39.16
ncm-dbt-05 06:33:11 581934 4000 64 2629 1307 -264.15 ± 6.89 646 1273 81 0 0 -673.87 ± 38.4
20000 337 13090 6573 -262.04 ± 3.08 3195 6367 434 4 0 -658.36 ± 16.39

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
444090 ncm-dbt-02 585506 14 0 7 7 -190.68 ± 7.94 0 7 0 0 0 -1199.83 ± 201.74
444089 ncm-dbt-03 587070 500 9 322 169 -255.3 ± 18.93 74 166 9 1 0 -659.17 ± 131.36
444088 ncm-dbt-04 568514 486 6 323 157 -270.72 ± 20.08 82 153 8 0 0 -710.49 ± 146.48
444087 ncm-dbt-01 583908 500 8 329 163 -264.59 ± 19.27 80 161 9 0 0 -694.7 ± 134.18
444086 ncm-dbt-05 578136 500 7 340 153 -279.16 ± 20.75 91 151 8 0 0 -715.51 ± 146.53
444085 ncm-dbt-02 587537 500 17 306 177 -229.11 ± 18.2 62 165 23 0 0 -526.7 ± 74.68
444084 ncm-dbt-03 586393 500 7 327 166 -263.41 ± 20.22 83 154 13 0 0 -629.41 ± 104.8
444083 ncm-dbt-04 568752 500 5 326 169 -264.59 ± 18.41 77 167 6 0 0 -766.17 ± 188.02
444082 ncm-dbt-01 583824 500 11 329 160 -261.07 ± 19.66 80 158 12 0 0 -643.67 ± 110.29
444081 ncm-dbt-05 583698 500 7 322 171 -257.59 ± 19.49 78 159 13 0 0 -629.41 ± 104.8
444080 ncm-dbt-02 587028 500 6 322 172 -258.74 ± 18.82 76 164 10 0 0 -676.04 ± 124.55
444079 ncm-dbt-03 587622 500 13 326 161 -255.29 ± 19.72 78 157 15 0 0 -603.84 ± 95.91
444078 ncm-dbt-04 570829 500 9 326 165 -259.9 ± 20.3 82 153 15 0 0 -603.84 ± 95.91
444077 ncm-dbt-01 581652 500 10 321 169 -253.02 ± 18.64 73 165 12 0 0 -643.67 ± 110.29
444076 ncm-dbt-02 588174 500 7 334 159 -271.78 ± 20.15 86 155 9 0 0 -694.7 ± 134.18
444075 ncm-dbt-05 581361 500 6 323 171 -259.9 ± 18.69 76 165 9 0 0 -694.7 ± 134.18
444074 ncm-dbt-03 584243 500 7 324 169 -259.9 ± 18.41 75 167 8 0 0 -715.51 ± 146.53
444073 ncm-dbt-04 567997 500 7 338 155 -276.68 ± 20.45 89 153 8 0 0 -715.51 ± 146.53
444072 ncm-dbt-01 581902 500 8 312 180 -245.19 ± 17.09 64 176 10 0 0 -676.04 ± 124.55
444071 ncm-dbt-02 585970 500 15 319 166 -245.19 ± 19.41 73 158 19 0 0 -561.34 ± 83.33
444070 ncm-dbt-05 583614 500 8 326 166 -261.07 ± 19.11 78 162 10 0 0 -676.04 ± 124.55
444069 ncm-dbt-03 586012 500 9 349 142 -288.06 ± 22.39 100 140 10 0 0 -676.04 ± 124.55
444068 ncm-dbt-04 566296 500 8 328 164 -263.41 ± 19.68 81 158 11 0 0 -659.13 ± 116.77
444067 ncm-dbt-01 585084 500 8 333 159 -269.36 ± 20.68 87 151 12 0 0 -643.67 ± 110.29
444066 ncm-dbt-02 584916 500 8 328 164 -263.41 ± 19.4 80 160 10 0 0 -676.04 ± 124.55
444065 ncm-dbt-05 585084 500 10 323 167 -255.29 ± 18.66 74 165 11 0 0 -659.13 ± 116.77
444064 ncm-dbt-04 567680 500 7 320 173 -255.29 ± 18.93 75 163 12 0 0 -643.67 ± 110.29
444063 ncm-dbt-03 586266 500 4 327 169 -266.96 ± 18.69 79 165 6 0 0 -766.17 ± 188.02
444062 ncm-dbt-01 583614 500 11 323 166 -254.16 ± 19.82 77 159 13 1 0 -603.86 ± 103.96
444061 ncm-dbt-02 587197 500 10 336 154 -270.57 ± 21.37 90 146 14 0 0 -616.18 ± 100.06
444060 ncm-dbt-05 580696 500 13 328 159 -257.59 ± 20.01 80 155 15 0 0 -603.84 ± 95.91
444059 ncm-dbt-04 567601 500 4 344 152 -288.06 ± 20.89 95 150 5 0 0 -798.18 ± 231.48
444058 ncm-dbt-03 583531 500 9 324 167 -257.59 ± 19.49 78 159 13 0 0 -629.41 ± 104.8
444057 ncm-dbt-01 584201 500 11 333 156 -265.78 ± 21.04 86 151 12 1 0 -616.2 ± 109.19
444056 ncm-dbt-02 587325 500 4 322 174 -261.07 ± 17.97 74 170 6 0 0 -766.17 ± 188.02
444055 ncm-dbt-05 584790 500 8 328 164 -263.41 ± 19.4 80 160 10 0 0 -676.04 ± 124.55
444054 ncm-dbt-04 568315 500 12 324 164 -254.15 ± 19.05 75 162 13 0 0 -629.41 ± 104.8
444053 ncm-dbt-03 584622 500 6 320 174 -256.44 ± 18.8 75 164 11 0 0 -659.13 ± 116.77
444052 ncm-dbt-02 585379 500 8 328 164 -263.41 ± 19.12 79 162 9 0 0 -694.7 ± 134.18
444051 ncm-dbt-01 583572 500 9 331 160 -265.78 ± 20.51 84 155 10 1 0 -643.7 ± 122.54
444050 ncm-dbt-05 578095 500 5 339 156 -280.42 ± 20.0 89 156 5 0 0 -798.18 ± 231.48

Commit

Commit ID 6bc0256292cf51d390fee0cb78963da884dc2677
Author Daylen Yang
Date 2020-08-12 05:49:36 UTC
Use posix_memalign for Apple Silicon instead of _mm_malloc fails to build on that target, because of missing Intel Intrinsics. macOS has posix_memalign() since ~2014 so we can simplify the code and just use that for all Apple platforms. closes https://github.com/official-stockfish/Stockfish/pull/2985 No functional change.
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