Dev Builds » 20200513-1857

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 7. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games Wins Losses Draws Elo
ncm-et-3 08:21:45 1958291 3337 2069 45 1223 +244.39 +/- 9.62
ncm-et-4 08:22:14 1969057 3346 2108 56 1182 +248.12 +/- 9.82
ncm-et-9 08:22:32 1966536 3350 2118 59 1173 +248.88 +/- 9.87
ncm-et-10 08:22:28 1961245 3313 2089 44 1180 +250.35 +/- 9.8
ncm-et-13 08:21:51 1954758 3304 2081 56 1167 +247.91 +/- 9.89
ncm-et-15 08:22:41 1969407 3350 2117 46 1187 +250.88 +/- 9.78
20000 12582 306 7112 +248.41 +/- 4.0

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
130944 ncm-et-13 2020-05-14 06:15 00:46:14 1960003 304 186 5 113 +238.33 +/- 31.84
130943 ncm-et-10 2020-05-14 06:14 00:47:22 1966799 313 190 5 118 +236.01 +/- 31.12
130942 ncm-et-3 2020-05-14 06:10 00:50:49 1963532 337 206 6 125 +237.3 +/- 30.29
130941 ncm-et-4 2020-05-14 06:09 00:51:49 1966181 346 211 4 131 +239.88 +/- 29.41
130940 ncm-et-9 2020-05-14 06:08 00:53:03 1966771 350 222 7 121 +248.69 +/- 30.94
130939 ncm-et-15 2020-05-14 06:08 00:53:19 1970486 350 220 5 125 +248.69 +/- 30.28
130938 ncm-et-13 2020-05-14 04:59 01:14:46 1959239 500 326 8 166 +261.07 +/- 26.36
130937 ncm-et-10 2020-05-14 04:57 01:15:32 1954347 500 319 5 176 +256.44 +/- 25.42
130936 ncm-et-3 2020-05-14 04:54 01:14:50 1961996 500 299 7 194 +232.26 +/- 24.13
130935 ncm-et-4 2020-05-14 04:54 01:14:42 1965072 500 320 10 170 +251.89 +/- 26.08
130934 ncm-et-15 2020-05-14 04:52 01:15:12 1972665 500 322 5 173 +259.91 +/- 25.67
130933 ncm-et-9 2020-05-14 04:52 01:15:38 1961842 500 319 9 172 +251.89 +/- 25.88
130932 ncm-et-13 2020-05-14 03:43 01:14:47 1959852 500 308 8 184 +240.82 +/- 24.91
130931 ncm-et-10 2020-05-14 03:42 01:14:22 1960159 500 315 8 177 +248.53 +/- 25.45
130930 ncm-et-4 2020-05-14 03:38 01:14:54 1968476 500 313 8 179 +246.3 +/- 25.29
130929 ncm-et-3 2020-05-14 03:36 01:17:10 1956790 500 305 8 187 +237.58 +/- 24.68
130928 ncm-et-9 2020-05-14 03:35 01:15:11 1973116 500 321 13 166 +249.64 +/- 26.47
130927 ncm-et-15 2020-05-14 03:35 01:15:29 1970179 500 334 10 156 +268.17 +/- 27.31
130926 ncm-et-13 2020-05-14 02:26 01:16:50 1923435 500 302 7 191 +235.45 +/- 24.35
130925 ncm-et-10 2020-05-14 02:25 01:16:11 1966151 500 296 9 195 +227.04 +/- 24.13
130924 ncm-et-4 2020-05-14 02:22 01:14:31 1971098 500 315 6 179 +250.77 +/- 25.22
130923 ncm-et-3 2020-05-14 02:20 01:15:24 1966306 500 315 6 179 +250.77 +/- 25.22
130922 ncm-et-9 2020-05-14 02:20 01:14:42 1965074 500 305 10 185 +235.45 +/- 24.89
130921 ncm-et-15 2020-05-14 02:19 01:15:09 1966460 500 315 9 176 +247.41 +/- 25.56
130920 ncm-et-13 2020-05-14 01:08 01:16:23 1963072 500 299 11 190 +228.08 +/- 24.55
130919 ncm-et-10 2020-05-14 01:07 01:16:46 1957707 500 326 6 168 +263.42 +/- 26.13
130918 ncm-et-4 2020-05-14 01:05 01:15:48 1968005 500 313 7 180 +247.41 +/- 25.18
130917 ncm-et-9 2020-05-14 01:05 01:13:37 1961995 500 326 3 171 +266.97 +/- 25.75
130916 ncm-et-3 2020-05-14 01:04 01:14:53 1938490 500 307 6 187 +241.91 +/- 24.61
130915 ncm-et-15 2020-05-14 01:03 01:15:19 1969721 500 329 3 168 +270.57 +/- 26.0
130914 ncm-et-13 2020-05-13 23:51 01:16:19 1957707 500 342 7 151 +281.68 +/- 27.72
130913 ncm-et-10 2020-05-13 23:50 01:15:29 1964467 500 314 8 178 +247.41 +/- 25.37
130912 ncm-et-4 2020-05-13 23:49 01:15:26 1972496 500 312 9 179 +244.1 +/- 25.32
130911 ncm-et-3 2020-05-13 23:48 01:14:15 1960461 500 318 4 178 +256.44 +/- 25.22
130910 ncm-et-9 2020-05-13 23:48 01:16:10 1966620 500 310 8 182 +243.0 +/- 25.06
130909 ncm-et-15 2020-05-13 23:48 01:14:08 1964920 500 290 7 203 +222.92 +/- 23.51
130908 ncm-et-13 2020-05-13 22:33 01:16:32 1960001 500 318 10 172 +249.64 +/- 25.91
130907 ncm-et-3 2020-05-13 22:33 01:14:24 1960467 500 319 8 173 +253.02 +/- 25.77
130906 ncm-et-4 2020-05-13 22:33 01:15:04 1972076 500 324 12 164 +254.16 +/- 26.63
130905 ncm-et-10 2020-05-13 22:33 01:16:46 1959091 500 329 3 168 +270.57 +/- 26.0
130904 ncm-et-9 2020-05-13 22:32 01:14:11 1970336 500 315 9 176 +247.41 +/- 25.56
130903 ncm-et-15 2020-05-13 22:32 01:14:05 1971422 500 307 7 186 +240.82 +/- 24.72

Commit

Commit ID d4763424d2728fe2dfd0a6fe747666feb6a2fdbb
Author Sami Kiminki
Date 2020-05-13 18:57:47 UTC
Add support for Windows large pages for users that set the needed privilige "Lock Pages in Memory" large pages will be automatically enabled (see Readme.md). This expert setting might improve speed, 5% - 30%, depending on the hardware, the number of threads and hash size. More for large hashes, large number of threads and NUMA. If the operating system can not allocate large pages (easier after a reboot), default allocation is used automatically. The engine log provides details. closes https://github.com/official-stockfish/Stockfish/pull/2656 fixes https://github.com/official-stockfish/Stockfish/issues/2619 No functional change
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