Dev Builds » 20160417-0629

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 05:39:22 1988481 2394 315 249 1830 +9.58 +/- 6.75
ncm-et-4 05:39:29 1978714 2404 342 239 1823 +14.9 +/- 6.82
ncm-et-5 01:39:57 2011394 704 96 66 542 +14.81 +/- 12.29
ncm-et-6 01:40:13 2026146 708 99 82 527 +8.34 +/- 12.94
ncm-et-7 01:40:20 2021201 720 88 69 563 +9.17 +/- 11.84
ncm-et-8 01:40:13 1969036 698 110 68 520 +20.93 +/- 12.98
ncm-et-9 05:39:38 1988365 2379 311 235 1833 +11.1 +/- 6.68
ncm-et-10 05:39:33 1977574 2377 305 211 1861 +13.75 +/- 6.49
ncm-et-11 01:40:22 2017589 695 102 72 521 +15.01 +/- 12.91
ncm-et-12 01:40:27 2015821 724 110 64 550 +22.1 +/- 12.36
ncm-et-13 05:39:33 1994066 2379 352 281 1746 +10.37 +/- 7.2
ncm-et-14 01:40:01 2019289 701 113 77 511 +17.86 +/- 13.37
ncm-et-15 05:39:38 1986397 2390 356 240 1794 +16.88 +/- 6.94
ncm-et-16 01:40:29 2001301 727 102 78 547 +11.47 +/- 12.56
20000 2801 2031 15168 +13.38 +/- 2.36

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
69980 ncm-et-9 2019-02-13 20:44 00:22:34 1971114 160 21 10 129 +23.92 +/- 23.55
69979 ncm-et-10 2019-02-13 20:44 00:22:47 1956953 154 18 9 127 +20.33 +/- 22.86
69978 ncm-et-15 2019-02-13 20:43 00:23:48 1967082 169 28 15 126 +26.78 +/- 26.32
69977 ncm-et-13 2019-02-13 20:43 00:24:04 1980129 167 24 15 128 +18.74 +/- 25.43
69976 ncm-et-3 2019-02-13 20:42 00:24:59 1964917 176 23 18 135 +9.87 +/- 24.79
69975 ncm-et-4 2019-02-13 20:41 00:25:45 1935527 174 23 19 132 +7.99 +/- 25.39
69974 ncm-et-9 2019-02-13 19:31 01:11:36 1974677 500 67 48 385 +13.21 +/- 14.59
69973 ncm-et-10 2019-02-13 19:31 01:11:31 1964625 500 61 50 389 +7.64 +/- 14.35
69972 ncm-et-3 2019-02-13 19:30 01:10:17 1985230 500 72 47 381 +17.39 +/- 14.82
69971 ncm-et-15 2019-02-13 19:30 01:12:01 1966616 500 81 48 371 +22.96 +/- 15.41
69970 ncm-et-13 2019-02-13 19:29 01:12:53 1983459 500 77 58 365 +13.21 +/- 15.82
69969 ncm-et-4 2019-02-13 19:28 01:11:45 1967078 500 64 46 390 +12.51 +/- 14.27
69968 ncm-et-10 2019-02-13 18:18 01:12:00 1984899 500 71 53 376 +12.51 +/- 15.16
69967 ncm-et-9 2019-02-13 18:17 01:13:00 1972186 500 54 58 388 -2.78 +/- 14.42
69966 ncm-et-3 2019-02-13 18:17 01:12:09 1962919 500 74 51 375 +15.99 +/- 15.2
69965 ncm-et-15 2019-02-13 18:17 01:11:39 1968627 500 83 44 373 +27.16 +/- 15.27
69964 ncm-et-4 2019-02-13 18:16 01:11:04 1960461 500 71 57 372 +9.73 +/- 15.41
69963 ncm-et-13 2019-02-13 18:15 01:12:46 1975451 500 79 57 364 +15.3 +/- 15.87
69962 ncm-et-3 2019-02-13 17:04 01:11:41 1965535 500 59 64 377 -3.47 +/- 15.11
69961 ncm-et-13 2019-02-13 17:04 01:09:29 1974053 500 76 48 376 +19.48 +/- 15.13
69960 ncm-et-9 2019-02-13 17:04 01:11:58 1961236 500 68 55 377 +9.04 +/- 15.1
69959 ncm-et-15 2019-02-13 17:04 01:11:38 1977480 500 74 60 366 +9.73 +/- 15.77
69958 ncm-et-4 2019-02-13 17:04 01:10:35 1968466 500 80 50 370 +20.87 +/- 15.49
69957 ncm-et-10 2019-02-13 17:04 01:13:01 1958930 500 70 46 384 +16.69 +/- 14.64
12119 ncm-et-11 2018-03-26 06:55 00:28:13 2019208 195 28 19 148 +16.05 +/- 23.92
12118 ncm-et-5 2018-03-26 06:55 00:28:47 2023609 204 28 14 162 +23.88 +/- 21.51
12117 ncm-et-14 2018-03-26 06:55 00:29:05 2019208 201 30 21 150 +15.57 +/- 24.19
12116 ncm-et-6 2018-03-26 06:54 00:29:21 2024918 208 35 20 153 +25.1 +/- 24.2
12115 ncm-et-8 2018-03-26 06:54 00:29:25 1973467 198 33 19 146 +24.61 +/- 24.73
12114 ncm-et-13 2018-03-26 06:54 00:29:48 2025574 212 33 24 155 +14.76 +/- 24.25
12113 ncm-et-10 2018-03-26 06:54 00:29:54 2018720 223 23 22 178 +1.56 +/- 20.51
12112 ncm-et-7 2018-03-26 06:53 00:30:26 2017649 220 21 23 176 -3.16 +/- 20.55
12111 ncm-et-3 2018-03-26 06:52 00:31:24 2026391 218 21 21 176 -0.0 +/- 20.27
12110 ncm-et-9 2018-03-26 06:52 00:31:26 2024099 219 36 24 159 +19.06 +/- 24.06
12109 ncm-et-15 2018-03-26 06:52 00:31:33 2019046 221 26 25 170 +1.57 +/- 22.03
12108 ncm-et-12 2018-03-26 06:52 00:31:36 2012108 224 29 25 170 +6.2 +/- 22.36
12107 ncm-et-4 2018-03-26 06:52 00:31:32 2024263 230 35 13 182 +33.33 +/- 20.27
12106 ncm-et-16 2018-03-26 06:52 00:31:43 1981604 227 22 29 176 -10.72 +/- 21.43
12105 ncm-et-5 2018-03-26 05:42 01:11:10 1999180 500 68 52 380 +11.12 +/- 14.91
12104 ncm-et-14 2018-03-26 05:42 01:10:56 2019371 500 83 56 361 +18.78 +/- 16.03
12103 ncm-et-6 2018-03-26 05:42 01:10:52 2027374 500 64 62 374 +1.39 +/- 15.3
12102 ncm-et-8 2018-03-26 05:42 01:10:48 1964605 500 77 49 374 +19.48 +/- 15.25
12101 ncm-et-3 2018-03-26 05:42 01:08:52 2025899 500 66 48 386 +12.51 +/- 14.53
12100 ncm-et-10 2018-03-26 05:42 01:10:20 1981318 500 62 31 407 +21.57 +/- 13.05
12099 ncm-et-13 2018-03-26 05:41 01:10:33 2025735 500 63 79 358 -11.12 +/- 16.23
12098 ncm-et-11 2018-03-26 05:41 01:12:09 2015970 500 74 53 373 +14.6 +/- 15.33
12097 ncm-et-12 2018-03-26 05:41 01:08:51 2019534 500 81 39 380 +29.25 +/- 14.81
12096 ncm-et-9 2018-03-26 05:41 01:09:04 2026882 500 65 40 395 +17.39 +/- 13.91
12095 ncm-et-16 2018-03-26 05:41 01:08:46 2020999 500 80 49 371 +21.57 +/- 15.42
12094 ncm-et-7 2018-03-26 05:41 01:09:54 2024753 500 67 46 387 +14.6 +/- 14.45
12093 ncm-et-15 2018-03-26 05:41 01:08:59 2019536 500 64 48 388 +11.12 +/- 14.4
12092 ncm-et-4 2018-03-26 05:41 01:08:48 2016494 500 69 54 377 +10.43 +/- 15.1

Commit

Commit ID 7eaea3848c9e8a388c0b79cee6fba6bf3cd32108
Author Marco Costalba
Date 2016-04-17 06:29:33 UTC
StateInfo is usually allocated on the stack by search() And passed in do_move(), this ensures maximum efficiency and speed and at the same time unlimited move numbers. The draw back is that to handle Position init we need to reserve a StateInfo inside Position itself and use at init time and when copying from another Position. After lazy SMP we don't need anymore this gimmick and we can get rid of this special case and always pass an external StateInfo to Position object. Also rewritten and simplified Position constructors. Verified it does not regress with a 3 threads SMP test: ELO: -0.00 +-12.7 (95%) LOS: 50.0% Total: 1000 W: 173 L: 173 D: 654 No functional change.
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