Dev Builds » 20200627-0822

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 08:25:45 1959002 3313 2162 46 1105 +262.65 +/- 10.17
ncm-et-4 08:24:25 1959991 3321 2125 54 1142 +253.94 +/- 10.0
ncm-et-9 08:25:03 1969129 3367 2154 56 1157 +253.65 +/- 9.94
ncm-et-10 08:25:42 1961317 3314 2117 36 1161 +256.41 +/- 9.87
ncm-et-13 08:25:31 1961295 3345 2122 46 1177 +252.25 +/- 9.83
ncm-et-15 08:25:02 1966141 3340 2160 37 1143 +260.86 +/- 9.97
20000 12840 275 6885 +256.59 +/- 4.06

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
133106 ncm-et-3 2020-06-28 19:39 00:47:39 1960308 313 213 7 93 +274.31 +/- 35.55
133105 ncm-et-10 2020-06-28 19:39 00:47:39 1963119 314 191 3 120 +240.13 +/- 30.67
133104 ncm-et-4 2020-06-28 19:38 00:48:50 1969712 321 192 7 122 +228.24 +/- 30.69
133103 ncm-et-15 2020-06-28 19:36 00:50:40 1968171 340 221 5 114 +260.66 +/- 31.84
133102 ncm-et-13 2020-06-28 19:35 00:52:19 1959853 345 214 5 126 +243.99 +/- 30.13
133101 ncm-et-9 2020-06-28 19:31 00:55:24 1963844 367 231 3 133 +252.6 +/- 29.19
133100 ncm-et-3 2020-06-28 18:24 01:14:29 1963070 500 339 6 155 +279.17 +/- 27.3
133099 ncm-et-10 2020-06-28 18:21 01:16:49 1955419 500 326 5 169 +264.6 +/- 26.0
133098 ncm-et-4 2020-06-28 18:21 01:15:16 1964151 500 322 8 170 +256.44 +/- 26.02
133097 ncm-et-13 2020-06-28 18:18 01:15:21 1959697 500 311 6 183 +246.3 +/- 24.91
133096 ncm-et-15 2020-06-28 18:17 01:18:18 1965709 500 299 5 196 +234.38 +/- 23.91
133095 ncm-et-9 2020-06-28 18:14 01:16:16 1963996 500 320 10 170 +251.89 +/- 26.08
133094 ncm-et-3 2020-06-28 17:06 01:16:17 1963532 500 324 4 172 +263.42 +/- 25.71
133093 ncm-et-4 2020-06-28 17:05 01:14:53 1963691 500 306 10 184 +236.51 +/- 24.97
133092 ncm-et-10 2020-06-28 17:04 01:16:41 1968011 500 321 7 172 +256.44 +/- 25.82
133091 ncm-et-13 2020-06-28 17:02 01:14:55 1961842 500 325 3 172 +265.78 +/- 25.66
133090 ncm-et-15 2020-06-28 17:00 01:15:18 1965534 500 324 8 168 +258.75 +/- 26.19
133089 ncm-et-9 2020-06-28 16:58 01:15:15 1975293 500 306 13 181 +233.32 +/- 25.26
133088 ncm-et-3 2020-06-28 15:48 01:17:06 1956797 500 324 7 169 +259.91 +/- 26.07
133087 ncm-et-4 2020-06-28 15:48 01:16:25 1963995 500 334 4 162 +275.45 +/- 26.57
133086 ncm-et-10 2020-06-28 15:46 01:16:52 1957860 500 324 7 169 +259.91 +/- 26.07
133085 ncm-et-13 2020-06-28 15:45 01:16:36 1962609 500 319 8 173 +253.02 +/- 25.77
133084 ncm-et-15 2020-06-28 15:44 01:15:24 1964763 500 317 6 177 +253.02 +/- 25.38
133083 ncm-et-9 2020-06-28 15:42 01:15:07 1963389 500 338 9 153 +274.22 +/- 27.57
133082 ncm-et-3 2020-06-28 14:31 01:15:53 1958470 500 314 10 176 +245.2 +/- 25.59
133081 ncm-et-10 2020-06-28 14:29 01:15:33 1959248 500 338 4 158 +280.42 +/- 26.94
133080 ncm-et-4 2020-06-28 14:29 01:18:09 1925614 500 316 8 176 +249.64 +/- 25.53
133079 ncm-et-13 2020-06-28 14:28 01:15:55 1962610 500 325 8 167 +259.91 +/- 26.28
133078 ncm-et-15 2020-06-28 14:27 01:15:27 1966787 500 327 3 170 +268.17 +/- 25.83
133077 ncm-et-9 2020-06-28 14:25 01:15:16 1970186 500 327 5 168 +265.78 +/- 26.09
133076 ncm-et-3 2020-06-28 13:14 01:16:08 1960615 500 326 7 167 +262.24 +/- 26.25
133075 ncm-et-4 2020-06-28 13:13 01:14:05 1966306 500 320 12 168 +249.64 +/- 26.29
133074 ncm-et-10 2020-06-28 13:12 01:16:26 1960169 500 313 9 178 +245.2 +/- 25.4
133073 ncm-et-13 2020-06-28 13:11 01:15:15 1960003 500 311 4 185 +248.53 +/- 24.68
133072 ncm-et-9 2020-06-28 13:11 01:13:04 1969413 500 312 6 182 +247.41 +/- 24.99
133071 ncm-et-15 2020-06-28 13:11 01:15:19 1964303 500 332 4 164 +273.0 +/- 26.4
133070 ncm-et-4 2020-06-28 11:56 01:16:47 1966472 500 335 5 160 +275.45 +/- 26.8
133069 ncm-et-15 2020-06-28 11:55 01:14:36 1967724 500 340 6 154 +280.42 +/- 27.4
133068 ncm-et-9 2020-06-28 11:55 01:14:41 1977786 500 320 10 170 +251.89 +/- 26.08
133067 ncm-et-13 2020-06-28 11:55 01:15:10 1962457 500 317 12 171 +246.3 +/- 26.04
133066 ncm-et-10 2020-06-28 11:55 01:15:42 1965395 500 304 1 195 +244.1 +/- 23.79
133065 ncm-et-3 2020-06-28 11:55 01:18:13 1950228 500 322 5 173 +259.91 +/- 25.67

Commit

Commit ID ca41ee6632368676a2fb98fd2970ac9b183f0aa9
Author Joost VandeVondele
Date 2020-06-27 08:22:27 UTC
Revert LTO for mingw on windows. LTO with static linking is still only working with the latest versions of gcc, causing problems for some devs. on a modern mingw toolchain LTO optimizations can still be enabled as: ``` CXXFLAGS='-flto' make -j ARCH=x86-64-modern COMP=mingw profile-build ``` fixes https://github.com/official-stockfish/Stockfish/issues/2769 closes https://github.com/official-stockfish/Stockfish/pull/2774 No functional change.
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