Dev Builds » 20210210-1854

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 06:41:48 584817 4000 326 1802 1872 -134.55 ± 4.93 80 1354 529 36 1 -300.31 ± 14.82
ncm-dbt-02 06:40:33 586049 4000 304 1810 1886 -137.58 ± 4.85 86 1361 526 27 0 -308.24 ± 14.84
ncm-dbt-03 06:40:02 585429 4000 323 1839 1838 -138.59 ± 5.0 99 1351 518 31 1 -307.54 ± 14.97
ncm-dbt-04 06:42:58 566413 4000 316 1827 1857 -138.08 ± 4.85 85 1369 518 28 0 -310.35 ± 14.96
ncm-dbt-05 06:43:22 581812 4000 332 1828 1840 -136.56 ± 5.07 97 1344 517 42 0 -300.99 ± 15.0
20000 1601 9106 9293 -137.07 ± 2.21 447 6779 2608 164 2 -305.45 ± 6.66

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
456820 ncm-dbt-05 583614 500 42 221 237 -130.14 ± 13.88 10 163 73 4 0 -285.49 ± 40.16
456819 ncm-dbt-04 568554 500 48 231 221 -133.34 ± 15.02 14 162 67 7 0 -285.49 ± 42.08
456818 ncm-dbt-01 585084 500 43 234 223 -139.81 ± 14.72 15 166 64 5 0 -304.07 ± 43.1
456817 ncm-dbt-03 586646 500 41 244 215 -149.68 ± 14.24 16 174 57 3 0 -336.46 ± 45.77
456816 ncm-dbt-02 584243 500 36 219 245 -133.34 ± 13.99 11 165 70 4 0 -293.29 ± 41.07
456815 ncm-dbt-05 578383 500 35 226 239 -139.81 ± 14.37 15 164 68 3 0 -304.07 ± 41.65
456814 ncm-dbt-04 567680 500 35 226 239 -139.81 ± 13.26 10 173 65 2 0 -318.25 ± 42.59
456813 ncm-dbt-01 585379 500 40 228 232 -137.37 ± 13.53 9 174 63 4 0 -312.48 ± 43.44
456812 ncm-dbt-03 585674 500 45 226 229 -131.74 ± 14.88 12 165 65 8 0 -285.49 ± 42.7
456811 ncm-dbt-02 585421 500 37 233 230 -143.89 ± 13.7 10 181 54 5 0 -333.32 ± 47.06
456810 ncm-dbt-05 581194 500 48 223 229 -126.97 ± 14.61 10 163 69 8 0 -275.45 ± 41.43
456809 ncm-dbt-04 564017 500 32 221 247 -138.18 ± 13.12 9 173 66 2 0 -315.35 ± 42.24
456808 ncm-dbt-03 585590 500 44 237 219 -141.44 ± 14.15 15 165 68 2 0 -309.64 ± 41.56
456807 ncm-dbt-01 583405 500 37 221 242 -134.15 ± 13.61 9 170 67 4 0 -301.33 ± 42.04
456806 ncm-dbt-02 588302 500 45 229 226 -134.15 ± 13.43 8 172 66 4 0 -304.07 ± 42.38
456805 ncm-dbt-05 580821 500 38 232 230 -142.25 ± 13.94 12 174 60 4 0 -321.19 ± 44.57
456804 ncm-dbt-02 587070 500 44 222 234 -129.35 ± 13.72 9 164 73 4 0 -285.49 ± 40.16
456803 ncm-dbt-03 582778 500 40 238 222 -145.54 ± 14.74 15 173 58 3 1 -327.18 ± 45.37
456802 ncm-dbt-04 566178 500 42 235 223 -141.44 ± 13.78 13 169 66 2 0 -315.35 ± 42.24
456801 ncm-dbt-01 585928 500 48 219 233 -123.81 ± 13.98 6 167 69 8 0 -275.45 ± 41.43
456800 ncm-dbt-03 587367 500 38 227 235 -138.18 ± 13.5 9 175 62 4 0 -315.35 ± 43.81
456799 ncm-dbt-02 583028 500 35 231 234 -143.89 ± 13.89 13 173 61 3 0 -324.17 ± 44.15
456798 ncm-dbt-04 565548 500 35 232 233 -144.71 ± 14.23 14 173 59 4 0 -324.17 ± 44.97
456797 ncm-dbt-05 582987 500 46 231 223 -134.95 ± 14.31 10 172 61 7 0 -301.33 ± 44.13
456796 ncm-dbt-01 585843 500 35 232 233 -144.72 ± 14.77 14 175 56 4 1 -327.18 ± 46.19
456795 ncm-dbt-03 585590 500 34 221 245 -136.56 ± 13.92 11 169 66 4 0 -304.07 ± 42.38
456794 ncm-dbt-02 584832 500 43 230 227 -136.56 ± 14.1 14 161 73 2 0 -295.94 ± 39.99
456793 ncm-dbt-04 564880 500 35 220 245 -134.95 ± 12.84 3 185 56 6 0 -321.19 ± 46.14
456792 ncm-dbt-05 582778 500 35 236 229 -148.02 ± 14.85 17 172 56 5 0 -327.18 ± 46.19
456791 ncm-dbt-01 584495 500 48 227 225 -130.14 ± 13.88 10 163 73 4 0 -285.49 ± 40.16
456790 ncm-dbt-02 588515 500 33 225 242 -140.62 ± 13.8 12 171 64 3 0 -315.35 ± 43.03
456789 ncm-dbt-03 585042 500 36 222 242 -135.76 ± 13.94 12 165 70 3 0 -298.62 ± 41.01
456788 ncm-dbt-04 567244 500 37 236 227 -146.36 ± 13.41 12 177 59 2 0 -336.46 ± 44.87
456787 ncm-dbt-05 581610 500 45 230 225 -134.95 ± 14.82 14 163 67 6 0 -290.66 ± 42.08
456786 ncm-dbt-01 583028 500 39 215 246 -127.76 ± 13.21 7 165 75 3 0 -285.49 ± 39.5
456785 ncm-dbt-03 584748 500 45 224 231 -130.14 ± 13.7 9 165 72 4 0 -288.06 ± 40.46
456784 ncm-dbt-02 586985 500 31 221 248 -138.99 ± 13.1 9 174 65 2 0 -318.25 ± 42.59
456783 ncm-dbt-01 585379 500 36 226 238 -138.99 ± 13.67 10 174 62 4 0 -315.35 ± 43.81
456782 ncm-dbt-05 583112 500 43 229 228 -135.76 ± 13.76 9 173 63 5 0 -306.84 ± 43.45
456781 ncm-dbt-04 567205 500 52 226 222 -126.17 ± 13.77 10 157 80 3 0 -273.0 ± 38.12

Commit

Commit ID 550fed3343089357dc89ecf78ce8eb4b35bcab88
Author Gian-Carlo Pascutto
Date 2021-02-10 18:54:26 UTC
Enable New Pass Manager for Clang. It's about 1% speedup for Stockfish. Result of 100 runs ================== base (...fish_clang12) = 1946851 +/- 3717 test (./stockfish ) = 1967276 +/- 3408 diff = +20425 +/- 2438 speedup = +0.0105 P(speedup > 0) = 1.0000 Thanks to David Major for making me aware of this part of LLVM development. closes https://github.com/official-stockfish/Stockfish/pull/3346 No functional change
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