Dev Builds » 20230816-1925

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 06:55:10 583571 4016 1407 674 1935 +64.13 ± 5.07 1 171 941 884 11 +130.97 ± 11.07
ncm-dbt-02 06:53:36 585461 3998 1345 668 1985 +59.41 ± 5.09 1 184 962 841 11 +120.54 ± 10.94
ncm-dbt-03 06:54:11 585482 4000 1356 671 1973 +60.09 ± 5.06 1 184 948 863 4 +123.42 ± 11.03
ncm-dbt-04 06:53:24 570461 3986 1338 684 1964 +57.53 ± 5.06 2 182 977 824 8 +117.22 ± 10.85
ncm-dbt-05 06:54:06 584205 4000 1345 741 1914 +52.87 ± 5.14 3 208 979 802 8 +107.35 ± 10.86
20000 6791 3438 9771 +58.8 ± 2.28 8 929 4807 4214 42 +119.85 ± 4.9

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
408075 ncm-dbt-01 581902 16 4 4 8 0.0 ± 86.96 0 2 4 2 0 -0.0 ± 186.24
408074 ncm-dbt-04 570108 486 158 90 238 +48.93 ± 14.23 0 25 125 93 0 +99.89 ± 30.34
408073 ncm-dbt-05 582110 500 161 102 237 +41.19 ± 14.7 0 34 123 93 0 +83.57 ± 30.77
408072 ncm-dbt-02 586858 498 161 83 254 +54.87 ± 15.34 0 32 108 108 1 +111.08 ± 32.86
408071 ncm-dbt-03 587367 500 168 76 256 +64.66 ± 13.39 0 15 129 105 1 +132.54 ± 29.53
408070 ncm-dbt-01 583447 500 175 75 250 +70.43 ± 14.2 0 19 113 117 1 +145.54 ± 32.08
408069 ncm-dbt-04 572598 500 168 91 241 +53.93 ± 15.75 1 31 111 104 3 +107.54 ± 32.43
408068 ncm-dbt-05 583531 500 153 76 271 +53.94 ± 14.19 1 22 126 101 0 +112.14 ± 30.22
408067 ncm-dbt-02 583782 500 152 90 258 +43.3 ± 15.08 0 34 122 92 2 +85.04 ± 30.9
408066 ncm-dbt-03 585379 500 177 79 244 +68.99 ± 14.14 0 20 112 118 0 +143.89 ± 32.25
408065 ncm-dbt-01 584622 500 170 69 261 +71.16 ± 14.22 0 19 112 118 1 +147.19 ± 32.24
408064 ncm-dbt-04 568792 500 168 79 253 +62.51 ± 13.88 0 20 121 109 0 +129.35 ± 30.88
408063 ncm-dbt-03 585759 500 160 91 249 +48.25 ± 14.16 0 27 127 96 0 +98.44 ± 30.15
408062 ncm-dbt-05 583740 500 178 99 223 +55.36 ± 14.93 0 30 111 109 0 +113.68 ± 32.44
408061 ncm-dbt-02 586223 500 168 84 248 +58.93 ± 14.83 1 25 113 111 0 +123.02 ± 32.15
408060 ncm-dbt-01 586350 500 180 93 227 +61.07 ± 14.52 0 22 122 103 3 +121.46 ± 30.78
408059 ncm-dbt-04 570589 500 171 74 255 +68.27 ± 14.12 0 19 116 114 1 +140.62 ± 31.61
408058 ncm-dbt-03 586308 500 176 90 234 +60.36 ± 15.02 1 25 112 111 1 +124.6 ± 32.29
408057 ncm-dbt-02 584495 500 183 89 228 +66.1 ± 14.31 0 19 121 107 3 +132.54 ± 30.86
408056 ncm-dbt-05 582360 500 172 90 238 +57.5 ± 14.89 1 25 116 107 1 +118.33 ± 31.7
408055 ncm-dbt-01 581444 500 178 87 235 +63.94 ± 14.64 0 24 112 113 1 +130.94 ± 32.29
408054 ncm-dbt-04 569270 500 171 77 252 +66.1 ± 12.69 0 10 137 102 1 +135.76 ± 28.08
408053 ncm-dbt-02 583321 500 178 75 247 +72.61 ± 13.54 0 15 117 118 0 +152.18 ± 31.35
408052 ncm-dbt-03 583070 500 170 81 249 +62.51 ± 14.72 0 25 112 112 1 +127.76 ± 32.29
408051 ncm-dbt-05 586012 500 164 104 232 +41.9 ± 14.48 1 29 129 91 0 +86.52 ± 29.92
408050 ncm-dbt-01 584117 500 180 86 234 +66.1 ± 13.89 0 17 124 107 2 +134.15 ± 30.35
408049 ncm-dbt-04 571793 500 173 87 240 +60.36 ± 14.35 0 22 122 104 2 +121.46 ± 30.78
408048 ncm-dbt-02 586604 500 172 81 247 +63.94 ± 14.5 0 22 117 109 2 +129.35 ± 31.52
408047 ncm-dbt-05 581277 500 181 85 234 +67.54 ± 14.09 0 19 117 113 1 +138.99 ± 31.46
408046 ncm-dbt-03 586520 500 168 81 251 +61.07 ± 14.52 0 25 113 112 0 +126.18 ± 32.14
408045 ncm-dbt-01 582318 500 172 87 241 +59.64 ± 14.59 1 21 122 104 2 +121.46 ± 30.78
408044 ncm-dbt-04 569430 500 157 83 260 +51.8 ± 14.88 0 31 114 105 0 +106.01 ± 32.0
408043 ncm-dbt-02 587282 500 158 86 256 +50.38 ± 13.86 0 22 136 90 2 +99.95 ± 28.8
408042 ncm-dbt-05 585632 500 167 89 244 +54.64 ± 14.36 0 23 129 95 3 +107.54 ± 29.8
408041 ncm-dbt-03 585295 500 164 80 256 +58.93 ± 13.43 0 18 130 102 0 +121.46 ± 29.51
408040 ncm-dbt-01 584369 500 173 80 247 +65.38 ± 14.97 0 26 106 117 1 +134.15 ± 33.21
408039 ncm-dbt-04 571110 500 172 103 225 +48.25 ± 14.3 1 24 131 93 1 +98.44 ± 29.57
408038 ncm-dbt-02 585126 500 173 80 247 +65.38 ± 13.42 0 15 128 106 1 +134.15 ± 29.68
408037 ncm-dbt-05 588984 500 169 96 235 +51.09 ± 14.58 0 26 128 93 3 +99.95 ± 30.0
408036 ncm-dbt-03 584159 500 173 93 234 +56.07 ± 14.96 0 29 113 107 1 +113.68 ± 32.15
408035 ncm-dbt-01 583572 500 175 93 232 +57.5 ± 13.8 0 21 126 103 0 +118.33 ± 30.18

Commit

Commit ID 46756996e7884c665da18f357208c2344a0f9374
Author Disservin
Date 2023-08-16 19:25:42 UTC
Add -funroll-loops to CXXFLAGS Optimize profiling data accuracy by enabling -funroll-loops during the profile generation phase, in addition to its default activation by -fprofile-use. This seems to produce a slightly faster binary, for most compilers. make -j profile-build ARCH=x86-64-avx2 sf_base = 1392875 +/- 5905 (95%) sf_test = 1402332 +/- 7303 (95%) diff = 9457 +/- 4413 (95%) speedup = 0.67896% +/- 0.317% (95%) STC: LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 34784 W: 8970 L: 8665 D: 17149 Ptnml(0-2): 115, 3730, 9405, 4019, 123 https://tests.stockfishchess.org/tests/view/64d944815b17f7c21c0e92e1 closes https://github.com/official-stockfish/Stockfish/pull/4750 No functional change
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