Dev Builds » 20151020-0458

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 05:46:02 1988865 2396 222 417 1757 -28.34 +/- 7.14
ncm-et-4 05:46:37 1985307 2366 221 368 1777 -21.61 +/- 6.96
ncm-et-5 01:43:11 2007466 717 81 111 525 -14.55 +/- 13.15
ncm-et-6 01:43:07 2024347 725 66 109 550 -20.63 +/- 12.38
ncm-et-7 01:42:38 1972791 701 67 96 538 -14.38 +/- 12.38
ncm-et-8 01:43:16 1993000 713 70 85 558 -7.31 +/- 11.89
ncm-et-9 05:46:48 1993224 2384 241 370 1773 -18.82 +/- 7.04
ncm-et-10 05:46:42 1985619 2359 230 391 1738 -23.75 +/- 7.16
ncm-et-11 01:43:24 1974440 694 68 113 513 -22.56 +/- 13.16
ncm-et-12 01:43:14 2020186 722 77 107 538 -14.44 +/- 12.78
ncm-et-13 05:46:38 1993099 2406 206 382 1818 -25.46 +/- 6.82
ncm-et-14 01:43:15 2019778 704 78 118 508 -19.76 +/- 13.51
ncm-et-15 05:46:51 1989422 2393 235 379 1779 -20.93 +/- 7.03
ncm-et-16 01:43:21 2001354 720 59 117 544 -28.05 +/- 12.47
20000 1921 3163 14916 -21.6 +/- 2.42

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
72992 ncm-et-10 2019-03-08 16:02 00:21:28 1964940 151 19 15 117 +9.21 +/- 26.32
72991 ncm-et-4 2019-03-08 16:00 00:22:56 1964617 149 10 25 114 -35.1 +/- 26.77
72990 ncm-et-9 2019-03-08 15:59 00:24:36 1966926 162 21 31 110 -21.47 +/- 30.32
72989 ncm-et-15 2019-03-08 15:57 00:25:56 1973784 175 15 28 132 -25.86 +/- 25.41
72988 ncm-et-3 2019-03-08 15:57 00:26:05 1963839 182 12 36 134 -46.08 +/- 25.54
72987 ncm-et-13 2019-03-08 15:57 00:26:33 1978409 181 15 27 139 -23.07 +/- 24.3
72986 ncm-et-9 2019-03-08 14:47 01:11:06 1965691 500 43 81 376 -26.46 +/- 15.08
72985 ncm-et-10 2019-03-08 14:46 01:14:32 1964005 500 44 88 368 -30.65 +/- 15.55
72984 ncm-et-3 2019-03-08 14:45 01:11:21 1973027 500 40 92 368 -36.26 +/- 15.5
72983 ncm-et-13 2019-03-08 14:44 01:11:23 1975295 500 33 82 385 -34.16 +/- 14.44
72982 ncm-et-4 2019-03-08 14:44 01:15:30 1964308 500 52 83 365 -21.57 +/- 15.78
72981 ncm-et-15 2019-03-08 14:44 01:12:43 1966636 500 47 85 368 -26.46 +/- 15.58
72980 ncm-et-9 2019-03-08 13:32 01:13:34 1984281 500 49 74 377 -17.39 +/- 15.07
72979 ncm-et-10 2019-03-08 13:32 01:13:35 1978496 500 52 81 367 -20.17 +/- 15.67
72978 ncm-et-13 2019-03-08 13:32 01:11:49 1976694 500 40 88 372 -33.46 +/- 15.28
72977 ncm-et-3 2019-03-08 13:31 01:13:00 1983514 500 47 76 377 -20.17 +/- 15.06
72976 ncm-et-15 2019-03-08 13:30 01:12:40 1982382 500 33 77 390 -30.65 +/- 14.15
72975 ncm-et-4 2019-03-08 13:29 01:13:17 1965690 500 55 75 370 -13.9 +/- 15.52
72974 ncm-et-3 2019-03-08 12:17 01:12:50 1964614 500 48 90 362 -29.25 +/- 15.92
72973 ncm-et-13 2019-03-08 12:17 01:13:34 1979508 500 56 80 364 -16.69 +/- 15.86
72972 ncm-et-15 2019-03-08 12:17 01:12:04 1976781 500 51 78 371 -18.78 +/- 15.44
72971 ncm-et-4 2019-03-08 12:17 01:11:28 1967232 500 43 72 385 -20.17 +/- 14.56
72970 ncm-et-10 2019-03-08 12:17 01:13:46 1967695 500 42 92 366 -34.86 +/- 15.64
72969 ncm-et-9 2019-03-08 12:17 01:14:14 1992123 500 53 80 367 -18.78 +/- 15.68
13295 ncm-et-7 2018-03-29 09:42 00:28:14 2026063 201 13 31 157 -31.2 +/- 22.27
13294 ncm-et-3 2018-03-29 09:41 00:30:03 2022957 214 19 40 155 -34.2 +/- 24.29
13293 ncm-et-11 2018-03-29 09:41 00:30:13 1938214 194 23 27 144 -7.16 +/- 24.85
13292 ncm-et-14 2018-03-29 09:41 00:30:05 2019534 204 19 26 159 -11.93 +/- 22.39
13291 ncm-et-16 2018-03-29 09:41 00:30:19 2022140 220 17 31 172 -22.14 +/- 21.36
13290 ncm-et-10 2018-03-29 09:40 00:30:42 2019047 208 19 33 156 -23.42 +/- 23.54
13289 ncm-et-8 2018-03-29 09:40 00:30:56 1991978 213 14 26 173 -19.59 +/- 20.13
13288 ncm-et-4 2018-03-29 09:40 00:30:56 2024754 217 18 24 175 -9.61 +/- 20.34
13287 ncm-et-5 2018-03-29 09:40 00:31:18 1990994 217 23 30 164 -11.21 +/- 22.85
13286 ncm-et-6 2018-03-29 09:39 00:31:57 2022468 225 15 38 172 -35.64 +/- 21.8
13285 ncm-et-12 2018-03-29 09:39 00:32:05 2020676 222 24 31 167 -10.96 +/- 22.76
13284 ncm-et-9 2018-03-29 09:39 00:32:14 2025736 222 20 26 176 -9.39 +/- 20.81
13283 ncm-et-15 2018-03-29 09:39 00:32:22 2019046 218 28 44 146 -25.55 +/- 26.48
13282 ncm-et-13 2018-03-29 09:39 00:32:34 2024099 225 19 35 171 -24.75 +/- 22.15
13281 ncm-et-3 2018-03-29 08:27 01:12:43 2025244 500 56 83 361 -18.78 +/- 16.03
13280 ncm-et-7 2018-03-29 08:26 01:14:24 1919519 500 54 65 381 -7.64 +/- 14.86
13279 ncm-et-8 2018-03-29 08:26 01:12:20 1994022 500 56 59 385 -2.08 +/- 14.61
13278 ncm-et-13 2018-03-29 08:26 01:10:45 2024590 500 43 70 387 -18.78 +/- 14.43
13277 ncm-et-12 2018-03-29 08:26 01:11:09 2019696 500 53 76 371 -15.99 +/- 15.45
13276 ncm-et-9 2018-03-29 08:26 01:11:04 2024590 500 55 78 367 -15.99 +/- 15.69
13275 ncm-et-6 2018-03-29 08:26 01:11:10 2026227 500 51 71 378 -13.9 +/- 15.03
13274 ncm-et-10 2018-03-29 08:26 01:12:39 2019533 500 54 82 364 -19.48 +/- 15.85
13273 ncm-et-16 2018-03-29 08:26 01:13:02 1980569 500 42 86 372 -30.65 +/- 15.3
13272 ncm-et-11 2018-03-29 08:26 01:13:11 2010667 500 45 86 369 -28.55 +/- 15.5
13271 ncm-et-15 2018-03-29 08:26 01:11:06 2017908 500 61 67 372 -4.17 +/- 15.42
13270 ncm-et-4 2018-03-29 08:26 01:12:30 2025245 500 43 89 368 -32.05 +/- 15.54
13269 ncm-et-14 2018-03-29 08:26 01:13:10 2020022 500 59 92 349 -22.96 +/- 16.7
13268 ncm-et-5 2018-03-29 08:26 01:11:53 2023939 500 58 81 361 -15.99 +/- 16.04

Commit

Commit ID ecc5ff6693f116f4a8ae5f5080252f29b279c0a1
Author mbootsector
Date 2015-10-20 04:58:08 UTC
Lazy SMP Start all threads searching on root position and use only the shared TT table as synching scheme. It seems this scheme scales better than YBWC for high number of threads. Verified for nor regression at STC 3 threads LLR: -2.95 (-2.94,2.94) [-3.00,1.00] Total: 40232 W: 6908 L: 7130 D: 26194 Verified for nor regression at LTC 3 threads LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 28186 W: 3908 L: 3798 D: 20480 Verified for nor regression at STC 7 threads LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 3607 W: 674 L: 526 D: 2407 Verified for nor regression at LTC 7 threads LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 4235 W: 671 L: 528 D: 3036 Tested with fixed games at LTC with 20 threads ELO: 44.75 +-7.6 (95%) LOS: 100.0% Total: 2069 W: 407 L: 142 D: 1520 Tested with fixed games at XLTC (120secs) with 20 threads ELO: 28.01 +-6.7 (95%) LOS: 100.0% Total: 2275 W: 349 L: 166 D: 1760 Original patch of mbootsector, with additional work from Ivan Ivec (log formula), Joerg Oster (id loop simplification) and Marco Costalba (assorted formatting and rework). Bench: 8116244
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