Dev Builds » 20160118-2221

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 05:42:04 1984097 2377 303 241 1833 +9.06 +/- 6.68
ncm-et-4 05:42:02 1982405 2373 299 257 1817 +6.15 +/- 6.76
ncm-et-5 01:41:15 2024756 731 78 78 575 -0.0 +/- 11.64
ncm-et-6 01:41:16 2023855 717 86 65 566 +10.18 +/- 11.66
ncm-et-7 01:41:05 1992646 727 95 68 564 +12.91 +/- 11.94
ncm-et-8 01:41:14 1995574 698 88 63 547 +12.45 +/- 11.97
ncm-et-9 05:41:54 1990549 2367 292 236 1839 +8.22 +/- 6.61
ncm-et-10 05:41:33 1984840 2400 302 254 1844 +6.95 +/- 6.69
ncm-et-11 01:41:11 2020022 731 75 60 596 +7.13 +/- 10.82
ncm-et-12 01:41:19 2002838 706 90 93 523 -1.48 +/- 13.05
ncm-et-13 05:41:57 1991876 2388 306 232 1850 +10.77 +/- 6.61
ncm-et-14 01:41:19 2021326 696 87 58 551 +14.48 +/- 11.76
ncm-et-15 05:41:53 1991126 2392 272 264 1856 +1.16 +/- 6.59
ncm-et-16 01:41:02 1993210 697 107 76 514 +15.46 +/- 13.2
20000 2480 2045 15475 +7.56 +/- 2.29

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
70850 ncm-et-3 2019-02-20 05:01 00:22:30 1963995 153 18 10 125 +18.18 +/- 23.47
70849 ncm-et-13 2019-02-20 05:00 00:24:10 1970188 166 21 15 130 +12.56 +/- 24.61
70848 ncm-et-15 2019-02-20 05:00 00:24:16 1974392 169 20 20 129 -0.0 +/- 25.53
70847 ncm-et-4 2019-02-20 05:00 00:24:11 1973146 165 22 21 122 +2.11 +/- 27.12
70846 ncm-et-9 2019-02-20 04:59 00:25:00 1971423 172 20 20 132 -0.0 +/- 25.08
70845 ncm-et-10 2019-02-20 04:57 00:26:03 1962151 175 24 23 128 +1.99 +/- 26.73
70844 ncm-et-9 2019-02-20 03:48 01:09:57 1978741 500 63 43 394 +13.9 +/- 14.0
70843 ncm-et-3 2019-02-20 03:47 01:12:53 1960474 500 57 61 382 -2.78 +/- 14.8
70842 ncm-et-15 2019-02-20 03:47 01:11:16 1968161 500 53 54 393 -0.69 +/- 14.1
70841 ncm-et-13 2019-02-20 03:47 01:11:53 1971890 500 73 55 372 +12.51 +/- 15.4
70840 ncm-et-4 2019-02-20 03:46 01:12:04 1966151 500 69 48 383 +14.6 +/- 14.71
70839 ncm-et-10 2019-02-20 03:43 01:12:42 1965407 500 61 51 388 +6.95 +/- 14.41
70838 ncm-et-9 2019-02-20 02:34 01:12:40 1974519 500 57 60 383 -2.08 +/- 14.74
70837 ncm-et-15 2019-02-20 02:33 01:12:47 1977474 500 55 57 388 -1.39 +/- 14.42
70836 ncm-et-3 2019-02-20 02:33 01:13:39 1964767 500 67 48 385 +13.21 +/- 14.59
70835 ncm-et-4 2019-02-20 02:32 01:13:28 1961077 500 67 59 374 +5.56 +/- 15.29
70834 ncm-et-13 2019-02-20 02:32 01:13:53 1974380 500 72 57 371 +10.43 +/- 15.47
70833 ncm-et-10 2019-02-20 02:31 01:11:07 1969240 500 54 48 398 +4.17 +/- 13.76
70832 ncm-et-13 2019-02-20 01:20 01:10:47 1983653 500 57 39 404 +12.51 +/- 13.32
70831 ncm-et-4 2019-02-20 01:20 01:11:00 1970381 500 45 61 394 -11.12 +/- 14.01
70830 ncm-et-10 2019-02-20 01:20 01:10:29 1972691 500 66 61 373 +3.47 +/- 15.36
70829 ncm-et-15 2019-02-20 01:20 01:12:36 1989453 500 63 55 382 +5.56 +/- 14.8
70828 ncm-et-9 2019-02-20 01:20 01:13:21 1968940 500 61 41 398 +13.9 +/- 13.73
70827 ncm-et-3 2019-02-20 01:20 01:11:52 1963378 500 71 56 373 +10.43 +/- 15.34
7160 ncm-et-9 2018-03-10 23:58 00:28:17 2024263 195 21 24 150 -5.35 +/- 23.45
7159 ncm-et-8 2018-03-10 23:58 00:29:02 2002821 198 15 17 166 -3.51 +/- 19.47
7158 ncm-et-16 2018-03-10 23:58 00:28:50 1995676 197 27 18 152 +15.88 +/- 23.16
7157 ncm-et-14 2018-03-10 23:58 00:29:07 2021489 196 23 10 163 +23.08 +/- 19.8
7156 ncm-et-4 2018-03-10 23:57 00:29:13 2026883 208 29 19 160 +16.72 +/- 22.65
7155 ncm-et-6 2018-03-10 23:57 00:29:55 2024427 217 23 17 177 +9.61 +/- 19.84
7154 ncm-et-12 2018-03-10 23:56 00:30:55 1985491 206 24 25 157 -1.69 +/- 23.17
7153 ncm-et-13 2018-03-10 23:56 00:31:07 2025245 222 24 20 178 +6.26 +/- 20.36
7152 ncm-et-7 2018-03-10 23:55 00:31:19 1988361 227 28 18 181 +15.32 +/- 20.31
7151 ncm-et-15 2018-03-10 23:55 00:31:32 2018233 223 26 23 174 +4.67 +/- 21.4
7150 ncm-et-11 2018-03-10 23:55 00:31:49 2020023 231 26 19 186 +10.53 +/- 19.77
7149 ncm-et-10 2018-03-10 23:55 00:32:09 2019696 225 28 27 170 +1.54 +/- 22.48
7148 ncm-et-3 2018-03-10 23:54 00:32:48 2024264 224 26 23 175 +4.65 +/- 21.3
7147 ncm-et-5 2018-03-10 23:53 00:33:22 2026882 231 22 20 189 +3.01 +/- 19.12
7146 ncm-et-15 2018-03-10 22:44 01:09:26 2019045 500 55 55 390 -0.0 +/- 14.29
7145 ncm-et-7 2018-03-10 22:44 01:09:46 1996932 500 67 50 383 +11.82 +/- 14.72
7144 ncm-et-13 2018-03-10 22:44 01:10:07 2025900 500 59 46 395 +9.04 +/- 13.95
7143 ncm-et-8 2018-03-10 22:44 01:12:12 1988328 500 73 46 381 +18.78 +/- 14.82
7142 ncm-et-10 2018-03-10 22:44 01:09:03 2019858 500 69 44 387 +17.39 +/- 14.44
7141 ncm-et-3 2018-03-10 22:44 01:08:22 2027705 500 64 43 393 +14.6 +/- 14.06
7140 ncm-et-9 2018-03-10 22:44 01:12:39 2025409 500 70 48 382 +15.3 +/- 14.77
7139 ncm-et-6 2018-03-10 22:44 01:11:21 2023283 500 63 48 389 +10.43 +/- 14.34
7138 ncm-et-16 2018-03-10 22:44 01:12:12 1990745 500 80 58 362 +15.3 +/- 15.99
7137 ncm-et-12 2018-03-10 22:44 01:10:24 2020185 500 66 68 366 -1.39 +/- 15.78
7136 ncm-et-14 2018-03-10 22:44 01:12:12 2021163 500 64 48 388 +11.12 +/- 14.4
7135 ncm-et-5 2018-03-10 22:44 01:07:53 2022630 500 56 58 386 -1.39 +/- 14.55
7134 ncm-et-4 2018-03-10 22:44 01:12:06 1996797 500 67 49 384 +12.51 +/- 14.66
7133 ncm-et-11 2018-03-10 22:44 01:09:22 2020021 500 49 41 410 +5.56 +/- 12.92

Commit

Commit ID 28933a580eeb4b9a2d717f06c789a6c13dfef19c
Author lucasart
Date 2016-01-18 22:21:42 UTC
Retire RootNode template There is no reason to compile 3 different copies of search(). PV nodes are on the cold path, and PvNode is a template parameter, so there is no cost in computing: const bool RootNode = PvNode && (ss-1)->ply == 0; And this simplifies code a tiny bit as well. Speed impact is negligible on my machine (i7-3770k, linux 4.2, gcc 5.2): nps +/- test 2378605 3118 master 2383128 2793 diff -4523 2746 Bench: 7751425 No functional change. Resolves #568
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