Dev Builds » 20211122-1231

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 14. 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 10:02:05 1108009 3326 1059 571 1696 +51.35 +/- 6.0 1 211 774 653 24 +99.81 +/- 12.24
ncm-dbt-02 09:59:36 1267350 3308 1043 593 1672 +47.56 +/- 5.86 2 202 813 618 19 +93.12 +/- 11.93
ncm-dbt-03 10:03:58 1272440 3354 1068 628 1658 +45.84 +/- 5.86 5 205 832 615 20 +90.01 +/- 11.79
ncm-dbt-04 10:03:05 1252730 3364 1083 604 1677 +49.81 +/- 5.85 0 210 803 649 20 +97.28 +/- 12.02
ncm-dbt-05 09:59:45 1263572 3326 1051 598 1677 +47.62 +/- 5.8 3 200 813 635 12 +95.06 +/- 11.93
ncm-dbt-06 10:02:48 1256164 3322 1120 589 1613 +56.02 +/- 5.85 1 186 772 685 17 +111.39 +/- 12.26
20000 6424 3583 9993 +49.69 +/- 2.4 12 1214 4807 3855 112 +97.73 +/- 4.91

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
206827 ncm-dbt-01 1068279 128 44 26 58 +49.18 +/- 28.24 0 7 32 25 0 +100.42 +/- 60.72
206826 ncm-dbt-02 1205099 142 43 19 80 +59.28 +/- 29.65 0 9 30 31 1 +116.75 +/- 62.96
206825 ncm-dbt-05 1227128 158 44 30 84 +30.87 +/- 24.43 0 10 45 24 0 +62.23 +/- 50.34
206824 ncm-dbt-06 1215757 158 54 24 80 +66.78 +/- 25.58 0 7 35 37 0 +138.89 +/- 58.29
206823 ncm-dbt-03 1232280 186 62 30 94 +60.37 +/- 25.92 0 11 41 39 2 +116.23 +/- 53.72
206822 ncm-dbt-04 1237836 196 62 37 97 +44.55 +/- 25.67 0 15 45 36 2 +83.09 +/- 51.16
206821 ncm-dbt-01 1107456 500 157 77 266 +56.07 +/- 14.56 0 24 125 98 3 +110.6 +/- 30.39
206820 ncm-dbt-02 1236099 500 157 92 251 +45.42 +/- 15.93 0 36 119 89 6 +83.57 +/- 31.31
206819 ncm-dbt-05 1245132 500 172 90 238 +57.5 +/- 14.76 0 27 115 107 1 +116.78 +/- 31.85
206818 ncm-dbt-06 1230311 500 164 105 231 +41.19 +/- 15.33 1 33 125 88 3 +80.63 +/- 30.5
206817 ncm-dbt-03 1226112 500 162 83 255 +55.36 +/- 14.53 1 20 132 93 4 +109.07 +/- 29.32
206816 ncm-dbt-04 1244278 500 170 91 239 +55.36 +/- 14.93 0 26 123 97 4 +107.54 +/- 30.7
206815 ncm-dbt-01 1100669 500 170 87 243 +58.21 +/- 15.57 0 29 114 102 5 +112.14 +/- 32.0
206814 ncm-dbt-02 1250862 500 167 104 229 +44.01 +/- 15.37 0 36 117 95 2 +86.52 +/- 31.58
206813 ncm-dbt-05 1227496 500 162 87 251 +52.51 +/- 14.79 1 26 121 101 1 +107.54 +/- 30.99
206812 ncm-dbt-06 1217008 500 173 80 247 +65.38 +/- 15.36 0 25 112 108 5 +127.76 +/- 32.29
206811 ncm-dbt-03 1247085 500 147 93 260 +37.67 +/- 15.25 0 39 119 91 1 +74.79 +/- 31.31
206810 ncm-dbt-04 1197998 500 168 87 245 +56.78 +/- 16.01 0 31 114 98 7 +106.01 +/- 32.0
206809 ncm-dbt-01 1096537 500 149 82 269 +46.84 +/- 16.6 1 39 107 98 5 +89.48 +/- 32.91
206808 ncm-dbt-02 1238997 500 162 94 244 +47.54 +/- 14.79 0 30 124 94 2 +93.95 +/- 30.6
206807 ncm-dbt-05 1228109 500 163 98 239 +45.42 +/- 14.68 0 29 130 88 3 +88.0 +/- 29.77
206806 ncm-dbt-06 1216743 500 156 86 258 +48.96 +/- 14.87 0 30 122 96 2 +96.94 +/- 30.88
206805 ncm-dbt-03 1237069 500 161 96 243 +45.42 +/- 15.06 1 28 130 87 4 +88.0 +/- 29.77
206804 ncm-dbt-04 1218909 500 165 91 244 +51.8 +/- 15.52 0 33 113 101 3 +101.46 +/- 32.14
206803 ncm-dbt-01 1094880 500 149 89 262 +41.89 +/- 15.74 0 40 112 96 2 +82.1 +/- 32.23
206802 ncm-dbt-02 1241186 500 137 86 277 +35.56 +/- 15.12 1 34 131 81 3 +68.99 +/- 29.71
206801 ncm-dbt-05 1223598 500 147 76 277 +49.67 +/- 14.77 1 27 123 98 1 +101.46 +/- 30.72
206800 ncm-dbt-06 1215635 500 181 91 228 +63.23 +/- 15.27 0 27 109 111 3 +126.18 +/- 32.74
206799 ncm-dbt-03 1250301 500 155 92 253 +44.01 +/- 15.49 0 36 118 93 3 +85.04 +/- 31.44
206798 ncm-dbt-04 1202680 500 147 91 262 +39.08 +/- 15.08 0 36 124 88 2 +76.25 +/- 30.64
206797 ncm-dbt-01 1096938 500 157 79 264 +54.64 +/- 15.15 0 27 123 95 5 +104.49 +/- 30.71
206796 ncm-dbt-02 1241708 500 162 86 252 +53.22 +/- 13.87 0 22 131 96 1 +107.54 +/- 29.49
206795 ncm-dbt-05 1238277 500 161 88 251 +51.09 +/- 15.74 0 34 113 99 4 +98.44 +/- 32.13
206794 ncm-dbt-06 1237952 500 163 84 253 +55.36 +/- 14.79 0 28 116 105 1 +112.14 +/- 31.71
206793 ncm-dbt-03 1255516 500 160 97 243 +44.01 +/- 15.37 0 35 120 92 3 +85.04 +/- 31.17
206792 ncm-dbt-04 1233408 500 168 92 240 +53.22 +/- 14.95 0 29 118 101 2 +106.01 +/- 31.43
206791 ncm-dbt-01 819628 500 174 99 227 +52.51 +/- 15.93 0 35 109 102 4 +101.46 +/- 32.69
206790 ncm-dbt-06 1219848 500 180 90 230 +63.23 +/- 14.61 0 23 116 109 2 +127.76 +/- 31.68
206789 ncm-dbt-05 1223564 500 148 100 252 +33.46 +/- 15.12 1 36 129 82 2 +66.1 +/- 29.99
206788 ncm-dbt-04 1208712 500 156 80 264 +53.22 +/- 14.29 0 26 122 102 0 +109.07 +/- 30.84
206787 ncm-dbt-02 1232379 500 160 81 259 +55.36 +/- 15.44 1 27 118 100 4 +109.07 +/- 31.43
206786 ncm-dbt-01 1106642 32 7 5 20 +21.74 +/- 60.1 0 3 8 5 0 +43.66 +/- 125.85
206785 ncm-dbt-03 1232437 500 164 92 244 +50.38 +/- 14.41 0 26 128 94 2 +99.95 +/- 30.0
177745 ncm-dbt-02 1492472 166 55 31 80 +50.58 +/- 24.13 0 8 43 32 0 +103.41 +/- 51.96
177744 ncm-dbt-05 1495279 168 54 29 85 +52.09 +/- 26.13 0 11 37 36 0 +106.63 +/- 56.57
177743 ncm-dbt-01 1481053 166 52 27 87 +52.72 +/- 23.59 0 7 44 32 0 +108.0 +/- 51.08
177742 ncm-dbt-04 1478025 168 47 35 86 +24.86 +/- 25.26 0 14 44 26 0 +49.98 +/- 51.6
177741 ncm-dbt-06 1496062 164 49 29 86 +42.58 +/- 27.74 0 13 37 31 1 +81.99 +/- 56.49
177740 ncm-dbt-03 1498726 168 57 45 66 +24.86 +/- 28.96 3 10 44 26 1 +58.45 +/- 51.58

Commit

Commit ID 7218ec4df9fef1146a451b71f0ed3bfd8123c9f9
Author noobpwnftw
Date 2021-11-22 12:31:13 UTC
Revert and fix earlier windows NUMA patch revert https://github.com/official-stockfish/Stockfish/commit/9048ac00db12a9ac48bff9b9eb145b30ff88d984 due to core spread problem and fix new OS compatibility with another method. This code assumes that if one NUMA node has more than one processor groups, they are created equal(having equal amount of cores assigned to each of the groups), and also the total number of available cores contained in such groups are equal to the number of available cores within one NUMA node because of how best_node function works. closes https://github.com/official-stockfish/Stockfish/pull/3798 fixes https://github.com/official-stockfish/Stockfish/pull/3787 No functional change.
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