Dev Builds » 20150215-1111

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 05:57:22 1989342 2387 176 590 1621 -60.87 +/- 7.75
ncm-et-4 05:57:23 1971915 2372 180 639 1553 -68.09 +/- 8.06
ncm-et-5 01:46:48 2023936 716 53 201 462 -72.87 +/- 14.86
ncm-et-6 01:46:49 2024590 716 61 181 474 -58.78 +/- 14.59
ncm-et-7 01:46:32 2024427 723 54 176 493 -59.19 +/- 14.04
ncm-et-8 01:46:30 1980081 707 48 175 484 -63.1 +/- 14.09
ncm-et-9 05:56:53 1989137 2404 192 589 1623 -57.91 +/- 7.79
ncm-et-10 05:57:26 1983056 2373 177 554 1642 -55.67 +/- 7.63
ncm-et-11 01:46:00 1999692 699 42 181 476 -70.02 +/- 14.19
ncm-et-12 01:46:30 2019452 710 47 175 488 -63.33 +/- 13.99
ncm-et-13 05:57:12 1994436 2384 207 576 1601 -54.21 +/- 7.89
ncm-et-14 01:46:12 2020267 717 44 177 496 -65.2 +/- 13.79
ncm-et-15 05:57:30 1995774 2378 191 610 1577 -61.86 +/- 7.97
ncm-et-16 01:46:27 1992155 714 55 163 496 -52.96 +/- 13.87
20000 1527 4987 13486 -60.72 +/- 2.7

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
79220 ncm-et-4 2019-04-26 17:20 00:23:09 1970667 146 12 31 103 -45.47 +/- 30.28
79219 ncm-et-15 2019-04-26 17:18 00:24:52 1978018 160 12 35 113 -50.29 +/- 28.8
79218 ncm-et-3 2019-04-26 17:18 00:25:01 1962302 163 13 41 109 -60.28 +/- 30.27
79217 ncm-et-10 2019-04-26 17:17 00:25:41 1966175 168 10 44 114 -71.3 +/- 29.09
79216 ncm-et-13 2019-04-26 17:17 00:26:01 1975924 169 14 49 106 -73.01 +/- 31.53
79215 ncm-et-9 2019-04-26 17:14 00:29:07 1965852 194 14 42 138 -50.5 +/- 25.89
79214 ncm-et-4 2019-04-26 16:03 01:15:27 1962151 500 40 140 320 -70.44 +/- 17.96
79213 ncm-et-15 2019-04-26 16:02 01:14:40 1986961 500 43 127 330 -58.93 +/- 17.51
79212 ncm-et-3 2019-04-26 16:02 01:15:05 1965687 500 34 112 354 -54.65 +/- 16.16
79211 ncm-et-10 2019-04-26 16:02 01:14:32 1965712 500 38 104 358 -46.13 +/- 16.01
79210 ncm-et-13 2019-04-26 16:01 01:14:47 1974679 500 37 111 352 -51.8 +/- 16.31
79209 ncm-et-9 2019-04-26 15:59 01:14:12 1974858 500 36 126 338 -63.23 +/- 17.01
79208 ncm-et-4 2019-04-26 14:46 01:16:50 1909856 500 30 136 334 -74.79 +/- 17.1
79207 ncm-et-3 2019-04-26 14:46 01:15:05 1983680 500 40 116 344 -53.22 +/- 16.77
79206 ncm-et-15 2019-04-26 14:45 01:16:12 1980970 500 37 139 324 -71.89 +/- 17.72
79205 ncm-et-13 2019-04-26 14:45 01:14:48 1980804 500 49 115 336 -46.13 +/- 17.29
79204 ncm-et-10 2019-04-26 14:44 01:16:26 1961242 500 38 126 336 -61.79 +/- 17.14
79203 ncm-et-9 2019-04-26 14:44 01:13:57 1965688 500 47 112 341 -45.42 +/- 17.01
79202 ncm-et-9 2019-04-26 13:30 01:13:05 1976629 500 32 132 336 -70.44 +/- 17.04
79201 ncm-et-13 2019-04-26 13:29 01:14:44 1984886 500 43 121 336 -54.65 +/- 17.22
79200 ncm-et-15 2019-04-26 13:29 01:15:01 1995316 500 40 147 313 -75.52 +/- 18.3
79199 ncm-et-3 2019-04-26 13:29 01:15:21 1974550 500 31 134 335 -72.61 +/- 17.07
79198 ncm-et-4 2019-04-26 13:29 01:15:20 1964307 500 33 130 337 -68.27 +/- 17.01
79197 ncm-et-10 2019-04-26 13:29 01:13:55 1963698 500 39 99 362 -41.89 +/- 15.81
16808 ncm-et-10 2018-04-08 15:37 00:30:30 2021162 205 16 54 135 -65.16 +/- 27.36
16807 ncm-et-11 2018-04-08 15:37 00:30:15 2016447 199 11 56 132 -79.95 +/- 27.25
16806 ncm-et-5 2018-04-08 15:36 00:31:22 2024264 216 12 63 141 -83.61 +/- 26.55
16805 ncm-et-12 2018-04-08 15:36 00:31:25 2020022 210 9 60 141 -86.1 +/- 25.98
16804 ncm-et-9 2018-04-08 15:36 00:31:33 2027046 210 23 59 128 -60.15 +/- 29.17
16803 ncm-et-16 2018-04-08 15:36 00:31:46 2017422 214 19 49 146 -49.03 +/- 25.98
16802 ncm-et-6 2018-04-08 15:36 00:31:53 2024917 216 19 59 138 -65.09 +/- 27.49
16801 ncm-et-8 2018-04-08 15:36 00:32:01 1938510 207 14 52 141 -64.51 +/- 26.21
16800 ncm-et-14 2018-04-08 15:35 00:32:12 2018721 217 18 42 157 -38.58 +/- 24.1
16799 ncm-et-13 2018-04-08 15:35 00:32:41 2025081 215 17 61 137 -72.12 +/- 27.52
16798 ncm-et-15 2018-04-08 15:35 00:32:43 2017908 218 24 56 138 -51.37 +/- 27.77
16797 ncm-et-4 2018-04-08 15:35 00:33:04 2026555 226 21 67 138 -71.72 +/- 27.94
16796 ncm-et-7 2018-04-08 15:34 00:33:24 2023283 223 14 52 157 -59.79 +/- 24.31
16795 ncm-et-3 2018-04-08 15:33 00:34:22 2026226 224 19 64 141 -70.76 +/- 27.31
16794 ncm-et-11 2018-04-08 14:20 01:15:45 1982937 500 31 125 344 -66.1 +/- 16.62
16793 ncm-et-14 2018-04-08 14:20 01:14:00 2021814 500 26 135 339 -76.98 +/- 16.77
16792 ncm-et-9 2018-04-08 14:20 01:14:59 2024754 500 40 118 342 -54.65 +/- 16.87
16791 ncm-et-8 2018-04-08 14:20 01:14:29 2021652 500 34 123 343 -62.51 +/- 16.72
16790 ncm-et-12 2018-04-08 14:20 01:15:05 2018883 500 38 115 347 -53.93 +/- 16.59
16789 ncm-et-4 2018-04-08 14:20 01:13:33 1997956 500 44 135 321 -63.95 +/- 17.97
16788 ncm-et-16 2018-04-08 14:20 01:14:41 1966888 500 36 114 350 -54.65 +/- 16.4
16787 ncm-et-15 2018-04-08 14:20 01:14:02 2015474 500 35 106 359 -49.67 +/- 15.92
16786 ncm-et-10 2018-04-08 14:20 01:16:22 2020348 500 36 127 337 -63.95 +/- 17.06
16785 ncm-et-3 2018-04-08 14:20 01:12:28 2023610 500 39 123 338 -58.93 +/- 17.06
16784 ncm-et-13 2018-04-08 14:20 01:14:11 2025246 500 47 119 334 -50.38 +/- 17.37
16783 ncm-et-5 2018-04-08 14:20 01:15:26 2023609 500 41 138 321 -68.27 +/- 17.93
16782 ncm-et-7 2018-04-08 14:20 01:13:08 2025572 500 40 124 336 -58.93 +/- 17.17
16781 ncm-et-6 2018-04-08 14:20 01:14:56 2024263 500 42 122 336 -56.07 +/- 17.2

Commit

Commit ID dc130042831cdb52994aa8165b1cf8f49eef8640
Author lucasart
Date 2015-02-15 11:11:05 UTC
Compute checkers from scratch This micro-optimization only complicates the code and provides no benefit. Removing it is even a speedup on my machine (i7-3770k, linux, gcc 4.9.1): stat test master diff mean 2,403,118 2,390,904 12,214 stdev 12,043 10,620 3,677 speedup 0.51% P(speedup>0) 100.0% No functional change.
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