Dev Builds » 20240326-1706

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 06:53:11 575211 3986 1459 615 1912 +74.7 ± 4.98 4 118 916 940 15 +154.69 ± 11.18
ncm-dbt-02 06:53:00 585477 4006 1472 636 1898 +73.59 ± 4.94 1 132 908 954 8 +152.97 ± 11.26
ncm-dbt-03 06:52:13 588447 4000 1446 642 1912 +70.8 ± 5.03 1 149 904 937 9 +146.36 ± 11.3
ncm-dbt-04 06:53:22 561594 3998 1417 632 1949 +69.12 ± 4.98 5 133 941 912 8 +143.56 ± 11.04
ncm-dbt-05 06:52:41 587443 4010 1494 587 1929 +79.97 ± 4.92 2 109 888 992 14 +166.83 ± 11.37
20000 7288 3112 9600 +73.63 ± 2.22 13 641 4557 4735 54 +152.81 ± 5.02

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
380935 ncm-dbt-02 585506 6 2 3 1 -58.33 ± 98.71 0 1 2 0 0 -120.24 ± 264.77 ↓
380934 ncm-dbt-05 584285 10 3 2 5 +34.8 ± 62.53 0 0 4 1 0 +70.35 ± 134.03 ↓
380933 ncm-dbt-01 584285 382 141 61 180 +73.85 ± 16.53 0 16 79 96 0 +155.06 ± 38.55 ↓
380932 ncm-dbt-04 572195 394 140 67 187 +65.12 ± 16.41 1 15 92 88 1 +135.18 ± 35.55 ↓
380931 ncm-dbt-03 589710 500 190 84 226 +74.79 ± 13.31 0 12 121 116 1 +155.54 ± 30.59 ↓
380930 ncm-dbt-02 586858 500 166 89 245 +53.93 ± 14.46 1 23 125 100 1 +110.6 ± 30.39 ↓
380929 ncm-dbt-05 588345 500 187 80 233 +75.52 ± 14.93 1 18 107 121 3 +155.54 ± 33.04 ↓
380928 ncm-dbt-01 585421 500 191 75 234 +82.1 ± 14.84 0 18 102 126 4 +167.53 ± 33.88 ↓
380927 ncm-dbt-04 567799 500 162 71 267 +63.94 ± 13.94 0 19 122 108 1 +130.94 ± 30.71 ↓
380926 ncm-dbt-03 588472 500 174 75 251 +69.71 ± 14.86 0 23 107 118 2 +142.26 ± 33.06 ↓
380925 ncm-dbt-02 585674 500 193 71 236 +86.52 ± 13.16 0 10 108 132 0 +185.33 ± 32.63 ↓
380924 ncm-dbt-05 585506 500 180 77 243 +72.61 ± 14.27 1 15 116 116 2 +150.51 ± 31.54 ↓
380923 ncm-dbt-01 579785 500 186 81 233 +74.06 ± 13.89 1 13 117 118 1 +155.54 ± 31.31 ↓
380922 ncm-dbt-04 565430 500 183 91 226 +64.66 ± 14.26 0 21 117 111 1 +132.54 ± 31.5 ↓
380921 ncm-dbt-03 587877 500 176 87 237 +62.51 ± 14.72 0 25 112 112 1 +127.76 ± 32.29 ↓
380920 ncm-dbt-02 584579 500 177 80 243 +68.27 ± 13.97 0 18 118 113 1 +140.62 ± 31.28 ↓
380919 ncm-dbt-05 582360 500 192 71 237 +85.78 ± 13.61 0 12 106 131 1 +181.7 ± 33.07 ↓
380918 ncm-dbt-04 569869 500 173 74 253 +69.71 ± 13.88 1 15 118 116 0 +147.19 ± 31.23 ↓
380917 ncm-dbt-01 585253 500 189 83 228 +74.79 ± 14.63 2 13 115 117 3 +155.54 ± 31.67 ↓
380916 ncm-dbt-03 586774 500 181 68 251 +79.9 ± 14.21 0 17 104 128 1 +167.53 ± 33.52 ↓
380915 ncm-dbt-02 585801 500 193 82 225 +78.43 ± 14.02 0 15 111 122 2 +162.35 ± 32.31 ↓
380914 ncm-dbt-05 583447 500 188 70 242 +83.57 ± 14.16 0 16 101 132 1 +176.33 ± 34.04 ↓
380913 ncm-dbt-04 490542 500 182 95 223 +61.08 ± 13.82 1 17 126 106 0 +127.76 ± 30.09 ↓
380912 ncm-dbt-01 498085 500 179 86 235 +65.38 ± 13.57 0 15 129 104 2 +132.54 ± 29.53 ↓
380911 ncm-dbt-03 586858 500 173 91 236 +57.5 ± 14.08 0 21 128 99 2 +115.23 ± 29.89 ↓
380910 ncm-dbt-02 578753 500 188 83 229 +74.06 ± 14.6 0 20 107 121 2 +152.18 ± 33.05 ↓
380909 ncm-dbt-05 584201 500 181 75 244 +74.79 ± 13.91 0 16 113 120 1 +155.54 ± 32.01 ↓
380908 ncm-dbt-04 570108 104 39 19 46 +67.65 ± 30.73 0 4 24 24 0 +140.87 ± 70.64 ↓
380907 ncm-dbt-01 585632 104 36 14 54 +74.62 ± 29.72 0 3 24 25 0 +156.84 ± 70.42 ↓
380906 ncm-dbt-03 588813 500 185 64 251 +85.78 ± 13.46 0 11 108 130 1 +181.7 ± 32.68 ↓
380905 ncm-dbt-02 584916 500 179 72 249 +75.52 ± 13.49 0 13 118 118 1 +157.24 ± 31.11 ↓
380904 ncm-dbt-05 584748 500 188 65 247 +87.26 ± 13.49 0 10 109 129 2 +183.51 ± 32.46 ↓
380903 ncm-dbt-04 573810 500 180 70 250 +77.7 ± 13.86 0 14 114 120 2 +160.64 ± 31.79 ↓
380902 ncm-dbt-01 584201 500 179 69 252 +77.71 ± 13.25 0 12 116 122 0 +164.07 ± 31.39 ↓
380901 ncm-dbt-03 589283 500 182 83 235 +69.71 ± 14.86 0 24 104 121 1 +143.89 ± 33.53 ↓
380900 ncm-dbt-05 584537 500 191 71 238 +85.04 ± 12.97 0 6 121 120 3 +176.33 ± 30.18 ↓
380899 ncm-dbt-02 587028 500 192 84 224 +76.25 ± 14.39 0 19 105 125 1 +158.93 ± 33.37 ↓
380898 ncm-dbt-01 584832 500 179 75 246 +73.33 ± 13.86 0 14 121 112 3 +148.85 ± 30.69 ↓
380897 ncm-dbt-04 573608 500 182 72 246 +77.7 ± 13.86 0 14 114 120 2 +160.64 ± 31.79 ↓
380896 ncm-dbt-03 589796 500 185 90 225 +66.83 ± 13.92 1 16 120 113 0 +140.62 ± 30.95 ↓
380895 ncm-dbt-05 609563 500 184 76 240 +76.25 ± 13.96 0 16 111 122 1 +158.93 ± 32.34 ↓
380894 ncm-dbt-02 590181 500 182 72 246 +77.71 ± 13.4 0 13 114 123 0 +164.07 ± 31.75 ↓
380893 ncm-dbt-01 589411 500 179 71 250 +76.25 ± 14.25 1 14 113 120 2 +158.93 ± 31.99 ↓
380892 ncm-dbt-04 570989 500 176 73 251 +72.61 ± 14.41 2 14 114 119 1 +153.86 ± 31.85 ↓

Commit

Commit ID 5001d49f42033bcf36a6c57401f891791031b4d8
Author mstembera
Date 2024-03-26 17:06:49 UTC
Update nnue_feature_transformer.h Unroll update_accumulator_refresh to process two active indices simultaneously. The compiler might not unroll effectively because the number of active indices isn't known at compile time. STC https://tests.stockfishchess.org/tests/view/65faa8850ec64f0526c4fca9 LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 130464 W: 33882 L: 33431 D: 63151 Ptnml(0-2): 539, 14591, 34501, 15082, 519 closes https://github.com/official-stockfish/Stockfish/pull/5125 No functional change
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