Dev Builds » 20230816-1925

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 09:54:43 1186287 3342 1427 291 1624 +122.99 +/- 5.44 0 50 482 1092 47 +270.39 +/- 15.53
ncm-dbt-02 09:47:48 1194123 3302 1395 240 1667 +126.88 +/- 5.25 0 32 476 1099 44 +283.53 +/- 15.61
ncm-dbt-03 09:58:42 1228695 3370 1411 294 1665 +119.68 +/- 5.33 0 49 508 1090 38 +263.63 +/- 15.12
ncm-dbt-04 09:57:20 1231109 3356 1428 304 1624 +121.03 +/- 5.2 0 36 519 1086 37 +268.04 +/- 14.93
ncm-dbt-05 09:46:03 1233371 3280 1402 296 1582 +121.92 +/- 5.34 0 45 479 1081 35 +271.21 +/- 15.58
ncm-dbt-06 09:58:29 1229631 3350 1417 292 1641 +121.39 +/- 5.48 1 47 504 1072 51 +264.47 +/- 15.18
20000 8480 1717 9803 +122.3 +/- 2.18 1 259 2968 6520 252 +270.09 +/- 6.25

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
199960 ncm-dbt-05 1226204 280 122 21 137 +131.22 +/- 17.73 0 5 30 104 1 +311.26 +/- 63.41
199959 ncm-dbt-02 1194720 302 132 18 152 +137.97 +/- 17.85 0 2 40 102 7 +307.27 +/- 54.84
199958 ncm-dbt-01 1206859 342 145 28 169 +123.85 +/- 17.04 0 5 49 112 5 +272.37 +/- 49.39
199957 ncm-dbt-06 1218502 350 157 24 169 +138.99 +/- 16.4 0 3 43 122 7 +315.35 +/- 52.94
199956 ncm-dbt-04 1221399 356 140 34 182 +106.68 +/- 16.12 0 7 59 111 1 +235.39 +/- 44.82
199955 ncm-dbt-03 1240818 370 153 25 192 +125.36 +/- 15.3 0 3 55 123 4 +281.85 +/- 46.4
199954 ncm-dbt-05 1252415 500 218 45 237 +125.38 +/- 14.63 0 9 68 164 9 +273.0 +/- 41.7
199953 ncm-dbt-02 1195690 500 213 44 243 +122.24 +/- 13.48 0 4 80 159 7 +268.17 +/- 38.21
199952 ncm-dbt-01 1191919 500 214 46 240 +121.45 +/- 14.34 0 9 71 163 7 +265.78 +/- 40.81
199951 ncm-dbt-04 1232017 500 217 44 239 +125.38 +/- 13.25 0 4 75 165 6 +280.42 +/- 39.57
199950 ncm-dbt-06 1223161 500 195 45 260 +107.54 +/- 13.89 0 10 83 154 3 +234.38 +/- 37.67
199949 ncm-dbt-03 1227859 500 212 46 242 +119.89 +/- 12.98 0 4 80 162 4 +268.17 +/- 38.21
199948 ncm-dbt-05 1220206 500 213 50 237 +117.55 +/- 13.36 0 6 79 161 4 +261.07 +/- 38.58
199947 ncm-dbt-02 1192880 500 211 33 256 +129.35 +/- 13.36 0 6 65 174 5 +295.94 +/- 42.75
199946 ncm-dbt-01 1164167 500 223 40 237 +133.34 +/- 13.99 0 7 61 174 8 +301.33 +/- 44.13
199945 ncm-dbt-06 1239807 500 223 38 239 +134.95 +/- 14.13 0 4 69 165 12 +295.94 +/- 41.39
199944 ncm-dbt-04 1240467 500 214 50 236 +118.33 +/- 13.86 0 5 84 153 8 +254.16 +/- 37.27
199943 ncm-dbt-03 1218200 500 206 51 243 +111.37 +/- 14.53 0 12 76 157 5 +240.82 +/- 39.35
199942 ncm-dbt-05 1228398 500 222 45 233 +128.55 +/- 13.56 0 4 73 165 8 +285.49 +/- 40.16
199941 ncm-dbt-02 1196216 500 208 44 248 +118.33 +/- 13.7 0 7 77 161 5 +261.07 +/- 39.14
199940 ncm-dbt-01 1178813 500 216 44 240 +124.6 +/- 13.97 0 4 80 156 10 +268.17 +/- 38.21
199939 ncm-dbt-06 1225162 500 207 41 252 +119.89 +/- 14.35 0 6 82 152 10 +254.16 +/- 37.82
199938 ncm-dbt-04 1229733 500 214 46 240 +121.45 +/- 12.4 0 4 75 170 1 +280.42 +/- 39.57
199937 ncm-dbt-03 1248114 500 213 42 245 +123.81 +/- 13.98 0 8 69 167 6 +275.45 +/- 41.43
199936 ncm-dbt-05 1243383 500 204 47 249 +112.91 +/- 13.73 0 7 84 154 5 +245.2 +/- 37.37
199935 ncm-dbt-02 1193533 500 211 31 258 +130.94 +/- 13.51 0 5 67 171 7 +295.94 +/- 42.08
199934 ncm-dbt-01 1192061 500 204 48 248 +112.14 +/- 13.89 0 9 80 157 4 +245.2 +/- 38.39
199933 ncm-dbt-04 1242563 500 214 49 237 +119.11 +/- 14.52 0 7 81 152 10 +251.89 +/- 38.11
199932 ncm-dbt-06 1248637 500 214 36 250 +129.35 +/- 14.07 1 6 63 174 6 +295.94 +/- 43.42
199931 ncm-dbt-03 1224093 500 211 44 245 +120.67 +/- 13.84 0 8 72 165 5 +268.17 +/- 40.54
199930 ncm-dbt-05 1238078 500 215 40 245 +126.97 +/- 13.76 0 8 64 173 5 +288.06 +/- 43.03
199929 ncm-dbt-02 1197283 500 210 37 253 +125.38 +/- 13.07 0 3 77 164 6 +280.42 +/- 38.93
199928 ncm-dbt-01 1158518 500 209 38 253 +123.81 +/- 14.15 0 9 67 168 6 +275.45 +/- 42.01
199927 ncm-dbt-04 1228411 500 212 41 247 +123.81 +/- 13.28 0 7 68 172 3 +282.94 +/- 41.76
199926 ncm-dbt-06 1218938 500 210 49 241 +116.0 +/- 14.69 0 11 74 158 7 +249.64 +/- 39.91
199925 ncm-dbt-03 1226982 500 213 45 242 +121.45 +/- 14.5 0 9 72 161 8 +263.42 +/- 40.52
199924 ncm-dbt-05 1224917 500 208 48 244 +115.22 +/- 13.2 0 6 81 160 3 +256.44 +/- 38.07
199923 ncm-dbt-02 1188545 500 210 33 257 +128.55 +/- 13.56 0 5 70 168 7 +288.06 +/- 41.11
199922 ncm-dbt-01 1211678 500 216 47 237 +122.24 +/- 14.0 0 7 74 162 7 +268.17 +/- 39.97
199921 ncm-dbt-04 1223178 500 217 40 243 +128.55 +/- 13.19 0 2 77 163 8 +285.49 +/- 38.83
199920 ncm-dbt-06 1233215 500 211 59 230 +109.07 +/- 13.89 0 7 90 147 6 +232.26 +/- 35.99
199919 ncm-dbt-03 1214799 500 203 41 256 +116.77 +/- 13.54 0 5 84 155 6 +254.16 +/- 37.27

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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