Dev Builds » 20240803-0741

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 08:36:48 584383 5002 1894 770 2338 +79.43 ± 4.38 2 139 1105 1243 12 +166.41 ± 10.19
ncm-dbt-02 08:36:40 587560 5004 1916 758 2330 +81.88 ± 4.52 6 143 1062 1269 22 +171.22 ± 10.43
ncm-dbt-03 08:35:31 587813 5000 1872 736 2392 +80.34 ± 4.44 1 152 1070 1264 13 +168.23 ± 10.39
ncm-dbt-05 08:37:28 587934 4994 1887 746 2361 +80.81 ± 4.5 4 150 1061 1265 17 +169.16 ± 10.43
20000 7569 3010 9421 +80.61 ± 2.23 13 584 4298 5041 64 +168.75 ± 5.18

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
371048 ncm-dbt-01 581735 2 0 0 2 0.0 ± 34.02 0 0 1 0 0 0.0 ± 30.47
371047 ncm-dbt-02 587877 4 1 0 3 +88.51 ± 137.63 0 0 1 1 0 +190.5 ± 634.21
371046 ncm-dbt-05 588089 494 193 83 218 +78.68 ± 14.44 0 18 102 126 1 +164.63 ± 33.87
371045 ncm-dbt-02 583614 500 200 73 227 +90.22 ± 14.46 0 17 90 142 1 +192.71 ± 36.1
371044 ncm-dbt-03 587664 500 180 75 245 +74.06 ± 14.88 1 20 103 125 1 +155.54 ± 33.71
371043 ncm-dbt-01 583489 500 188 72 240 +82.1 ± 13.37 0 11 113 125 1 +172.78 ± 31.83
371042 ncm-dbt-05 587664 500 197 66 237 +93.2 ± 14.51 1 12 95 139 3 +198.34 ± 35.12
371041 ncm-dbt-01 587792 500 179 74 247 +74.06 ± 14.03 0 18 109 123 0 +155.54 ± 32.7
371040 ncm-dbt-02 588217 500 191 83 226 +76.25 ± 13.05 0 9 126 113 2 +157.24 ± 29.64
371039 ncm-dbt-03 588217 500 188 80 232 +76.25 ± 13.51 0 13 117 119 1 +158.93 ± 31.27
371038 ncm-dbt-01 582694 500 184 84 232 +70.44 ± 14.62 1 18 113 116 2 +145.54 ± 32.08
371037 ncm-dbt-05 585759 500 183 73 244 +77.7 ± 14.15 0 17 107 125 1 +162.35 ± 33.02
371036 ncm-dbt-03 588047 500 196 51 253 +103.73 ± 14.19 0 13 81 154 2 +226.0 ± 38.11
371035 ncm-dbt-02 587707 500 197 71 232 +89.48 ± 13.69 0 11 104 133 2 +189.0 ± 33.39
371034 ncm-dbt-05 586943 500 184 65 251 +84.31 ± 13.73 1 10 109 129 1 +179.9 ± 32.5
371033 ncm-dbt-01 582652 500 188 85 227 +72.61 ± 13.69 0 15 118 116 1 +150.51 ± 31.19
371032 ncm-dbt-03 587919 500 182 68 250 +80.63 ± 14.23 0 15 109 123 3 +165.8 ± 32.64
371031 ncm-dbt-02 587452 500 186 80 234 +74.79 ± 14.9 1 19 105 123 2 +155.54 ± 33.38
371030 ncm-dbt-01 582778 500 193 76 231 +82.83 ± 13.54 0 11 113 124 2 +172.78 ± 31.83
371029 ncm-dbt-05 588430 500 201 77 222 +88.0 ± 15.27 0 18 96 130 6 +178.11 ± 34.94
371028 ncm-dbt-02 587367 500 191 74 235 +82.83 ± 14.29 1 14 103 131 1 +176.33 ± 33.67
371027 ncm-dbt-03 586943 500 180 84 236 +67.54 ± 13.65 0 16 123 110 1 +138.99 ± 30.46
371026 ncm-dbt-01 584159 500 171 74 255 +68.27 ± 14.4 0 21 112 116 1 +140.62 ± 32.26
371025 ncm-dbt-05 588387 500 180 87 233 +65.38 ± 15.49 1 24 110 111 4 +130.94 ± 32.59
371024 ncm-dbt-03 586393 500 182 75 243 +75.52 ± 14.08 0 17 110 122 1 +157.24 ± 32.52
371023 ncm-dbt-02 587579 500 195 71 234 +88.0 ± 14.7 2 12 98 136 2 +189.0 ± 34.56
371022 ncm-dbt-03 588387 500 193 87 220 +74.79 ± 13.0 0 11 122 117 0 +157.24 ± 30.38
371021 ncm-dbt-05 588813 500 181 76 243 +74.06 ± 13.89 1 14 114 121 0 +157.24 ± 31.83
371020 ncm-dbt-01 587325 500 187 69 244 +83.57 ± 14.02 0 16 100 134 0 +178.11 ± 34.22
371019 ncm-dbt-02 586520 500 180 78 242 +71.88 ± 13.67 0 16 116 118 0 +150.51 ± 31.54
371018 ncm-dbt-03 588089 500 195 66 239 +91.71 ± 14.04 0 13 97 138 2 +194.57 ± 34.74
371017 ncm-dbt-05 586985 500 188 67 245 +85.78 ± 13.92 0 14 102 133 1 +181.7 ± 33.83
371016 ncm-dbt-01 586308 500 202 87 211 +81.37 ± 13.19 1 7 119 122 1 +172.78 ± 30.66
371015 ncm-dbt-02 589796 500 200 78 222 +86.52 ± 13.32 0 9 112 127 2 +181.7 ± 31.89
371014 ncm-dbt-05 588260 500 195 78 227 +82.83 ± 14.0 0 16 101 133 0 +176.33 ± 34.04
371013 ncm-dbt-01 584243 500 200 62 238 +98.44 ± 13.51 0 7 102 137 4 +207.95 ± 33.55
371012 ncm-dbt-02 587240 500 192 76 232 +82.1 ± 15.26 1 15 108 119 7 +164.07 ± 32.83
371011 ncm-dbt-03 587749 500 198 83 219 +81.36 ± 14.68 0 20 96 133 1 +171.02 ± 34.92
371010 ncm-dbt-02 589796 500 183 74 243 +76.98 ± 15.38 1 21 99 126 3 +158.93 ± 34.38
371009 ncm-dbt-05 590010 500 185 74 241 +78.44 ± 12.47 0 7 125 118 0 +165.8 ± 29.64
371008 ncm-dbt-01 585042 500 202 87 211 +81.37 ± 13.81 0 15 105 130 0 +172.78 ± 33.32
371007 ncm-dbt-03 588728 500 178 67 255 +78.43 ± 13.73 0 14 112 123 1 +164.07 ± 32.12

Commit

Commit ID 8e560c4fd347514a699bde1931912834047cc835
Author Tomasz Sobczyk
Date 2024-08-03 07:41:37 UTC
Replicate network weights only to used NUMA nodes On a system with multiple NUMA nodes, this patch avoids unneeded replicated (e.g. 8x for a single threaded run), reducting memory use in that case. Lazy initialization forced before search. Passed STC: https://tests.stockfishchess.org/tests/view/66a28c524ff211be9d4ecdd4 LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 691776 W: 179429 L: 179927 D: 332420 Ptnml(0-2): 2573, 79370, 182547, 78778, 2620 closes https://github.com/official-stockfish/Stockfish/pull/5515 No functional change
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