Dev Builds » 20200811-2135

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 06:34:44 583900 3992 53 2621 1318 -265.36 ± 6.95 651 1268 75 2 0 -677.95 ± 39.95
ncm-dbt-02 06:32:23 586855 4000 56 2654 1290 -269.06 ± 7.05 675 1248 77 0 0 -682.85 ± 39.42
ncm-dbt-03 06:34:35 585711 4014 66 2592 1356 -257.19 ± 6.74 611 1307 86 3 0 -651.89 ± 37.2
ncm-dbt-04 06:34:13 568060 4002 74 2650 1278 -265.59 ± 7.03 661 1256 82 2 0 -663.34 ± 38.15
ncm-dbt-05 06:34:55 582120 3992 64 2619 1309 -263.43 ± 7.05 653 1251 90 2 0 -647.09 ± 36.37
20000 313 13136 6551 -264.09 ± 3.11 3251 6330 410 9 0 -664.08 ± 16.86

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
461489 ncm-dbt-04 568713 2 0 1 1 -189.7 ± 55.98 0 1 0 0 0 -1129.65 ± 376.02
461488 ncm-dbt-03 585759 14 0 8 6 -225.47 ± 69.17 1 6 0 0 0 -1199.83 ± 201.74
461487 ncm-dbt-05 582485 492 8 323 161 -263.56 ± 20.18 80 156 9 1 0 -656.3 ± 131.35
461486 ncm-dbt-01 581985 492 6 318 168 -259.99 ± 19.46 77 158 11 0 0 -656.27 ± 116.75
461485 ncm-dbt-02 588728 500 11 335 154 -268.16 ± 21.33 89 146 15 0 0 -603.84 ± 95.91
461484 ncm-dbt-04 568554 500 9 329 162 -263.41 ± 19.4 80 160 10 0 0 -676.04 ± 124.55
461483 ncm-dbt-03 586012 500 9 327 164 -261.07 ± 19.92 80 159 10 1 0 -643.7 ± 122.54
461482 ncm-dbt-05 582152 500 10 323 167 -255.29 ± 19.72 78 157 15 0 0 -603.84 ± 95.91
461481 ncm-dbt-01 586604 500 8 332 160 -268.16 ± 19.99 84 156 10 0 0 -676.04 ± 124.55
461480 ncm-dbt-02 587622 500 6 318 176 -254.15 ± 18.24 72 168 10 0 0 -676.04 ± 124.55
461479 ncm-dbt-04 568912 500 16 321 163 -246.3 ± 20.03 74 159 15 2 0 -561.36 ± 93.9
461478 ncm-dbt-03 588430 500 5 329 166 -268.16 ± 19.42 82 160 8 0 0 -715.51 ± 146.53
461477 ncm-dbt-05 581943 500 10 314 176 -245.19 ± 18.41 69 166 15 0 0 -603.84 ± 95.91
461476 ncm-dbt-01 582318 500 6 319 175 -255.29 ± 17.83 71 171 8 0 0 -715.51 ± 146.53
461475 ncm-dbt-02 586858 500 10 341 149 -276.68 ± 22.13 95 141 14 0 0 -616.18 ± 100.06
461474 ncm-dbt-04 566651 500 4 334 162 -275.44 ± 19.71 86 158 6 0 0 -766.17 ± 188.02
461473 ncm-dbt-03 583866 500 10 329 161 -262.24 ± 20.33 83 153 14 0 0 -616.18 ± 100.06
461472 ncm-dbt-05 581943 500 5 336 159 -276.68 ± 20.16 88 155 7 0 0 -739.05 ± 163.27
461471 ncm-dbt-01 584117 500 5 334 161 -274.22 ± 20.15 87 155 8 0 0 -715.51 ± 146.53
461470 ncm-dbt-02 584117 500 9 321 170 -254.15 ± 18.52 73 166 11 0 0 -659.13 ± 116.77
461469 ncm-dbt-04 566888 500 8 337 155 -274.22 ± 20.44 88 153 9 0 0 -694.7 ± 134.18
461468 ncm-dbt-03 586308 500 10 315 175 -246.3 ± 19.06 71 164 14 1 0 -592.29 ± 99.42
461467 ncm-dbt-05 582110 500 7 338 155 -276.68 ± 21.02 91 149 10 0 0 -676.04 ± 124.55
461466 ncm-dbt-02 587579 500 4 338 158 -280.42 ± 20.6 91 152 7 0 0 -739.05 ± 163.27
461465 ncm-dbt-01 584411 500 7 331 162 -268.16 ± 20.26 85 154 11 0 0 -659.13 ± 116.77
461464 ncm-dbt-04 567244 500 11 319 170 -249.64 ± 18.47 71 166 13 0 0 -629.41 ± 104.8
461463 ncm-dbt-03 583782 500 4 314 182 -251.89 ± 16.82 66 178 6 0 0 -766.17 ± 188.02
461462 ncm-dbt-05 582360 500 15 334 151 -262.24 ± 21.85 88 144 17 1 0 -561.36 ± 88.68
461461 ncm-dbt-02 585548 500 6 333 161 -271.78 ± 19.86 85 157 8 0 0 -715.51 ± 146.53
461460 ncm-dbt-01 584159 500 7 336 157 -274.22 ± 20.44 87 156 6 1 0 -715.55 ± 177.2
461459 ncm-dbt-04 568196 500 10 336 154 -270.57 ± 20.56 87 152 11 0 0 -659.13 ± 116.77
461458 ncm-dbt-03 587197 500 10 328 162 -261.07 ± 20.7 83 153 13 1 0 -603.86 ± 103.96
461457 ncm-dbt-05 582861 500 4 327 169 -266.96 ± 18.99 80 163 7 0 0 -739.05 ± 163.27
461456 ncm-dbt-02 587282 500 3 337 160 -280.42 ± 19.38 87 160 3 0 0 -887.58 ± 222.18
461455 ncm-dbt-03 586266 500 7 318 175 -253.02 ± 17.26 68 175 7 0 0 -739.05 ± 163.27
461454 ncm-dbt-01 585084 500 7 333 160 -270.57 ± 21.37 89 149 11 1 0 -629.43 ± 115.29
461453 ncm-dbt-04 568951 500 7 332 161 -269.36 ± 19.57 83 159 8 0 0 -715.51 ± 146.53
461452 ncm-dbt-02 587113 500 7 331 162 -268.16 ± 19.71 83 158 9 0 0 -694.7 ± 134.18
461451 ncm-dbt-05 581111 500 5 324 171 -262.24 ± 19.26 79 161 10 0 0 -676.04 ± 124.55
461450 ncm-dbt-01 582527 500 7 318 175 -253.02 ± 18.1 71 169 10 0 0 -676.04 ± 124.55
461449 ncm-dbt-03 583782 500 11 324 165 -255.29 ± 19.46 77 159 14 0 0 -616.18 ± 100.06
461448 ncm-dbt-04 568434 500 9 341 150 -277.92 ± 21.17 92 148 10 0 0 -676.04 ± 124.55

Commit

Commit ID 992f549ae7f4f73b025429c44bdbbc65de917f6c
Author Joost VandeVondele
Date 2020-08-11 21:35:02 UTC
Restrict avx2 hack to windows target this workaround is possibly rather a windows & gcc specific problem. See e.g. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54412#c25 on Linux with gcc 8 this patch brings roughly a 8% speedup. However, probably needs some testing in the wild. includes a workaround for an old msys make (3.81) installation (fixes #2984) No functional change
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