Dev Builds » 20150315-1945

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 05:55:40 1988667 2381 176 564 1641 -57.13 +/- 7.64
ncm-et-4 05:54:54 1977126 2371 183 560 1628 -55.72 +/- 7.7
ncm-et-5 01:45:27 2023528 710 52 166 492 -56.27 +/- 13.92
ncm-et-6 01:44:58 2023855 715 56 155 504 -48.42 +/- 13.65
ncm-et-7 01:44:08 2015808 697 49 173 475 -62.48 +/- 14.27
ncm-et-8 01:45:26 2022548 728 65 156 507 -43.66 +/- 13.77
ncm-et-9 05:55:36 1987465 2381 205 525 1651 -46.98 +/- 7.64
ncm-et-10 05:55:27 1987035 2401 215 566 1620 -51.16 +/- 7.83
ncm-et-11 01:44:56 2001676 704 62 165 477 -51.2 +/- 14.4
ncm-et-12 01:45:20 2019781 723 56 193 474 -66.64 +/- 14.6
ncm-et-13 05:55:43 1990058 2392 216 544 1632 -47.94 +/- 7.76
ncm-et-14 01:45:23 2018476 719 57 173 489 -56.55 +/- 14.14
ncm-et-15 05:55:33 1988751 2384 196 556 1632 -52.87 +/- 7.72
ncm-et-16 01:45:23 1974801 694 57 190 447 -67.42 +/- 15.17
20000 1645 4686 13669 -53.24 +/- 2.67

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
76928 ncm-et-3 2019-04-08 07:38 00:22:46 1963995 152 13 32 107 -43.66 +/- 29.79
76927 ncm-et-13 2019-04-08 07:36 00:24:14 1970638 160 13 38 109 -54.74 +/- 30.02
76926 ncm-et-4 2019-04-08 07:36 00:24:32 1963687 160 13 33 114 -43.66 +/- 28.58
76925 ncm-et-15 2019-04-08 07:35 00:25:26 1978290 171 14 41 116 -55.32 +/- 29.16
76924 ncm-et-10 2019-04-08 07:35 00:25:49 1967540 186 13 46 127 -62.3 +/- 27.62
76923 ncm-et-9 2019-04-08 07:34 00:26:29 1956795 170 15 39 116 -49.38 +/- 29.15
76922 ncm-et-3 2019-04-08 06:21 01:15:27 1982094 500 45 105 350 -41.89 +/- 16.53
76921 ncm-et-15 2019-04-08 06:20 01:13:50 1975149 500 33 115 352 -57.5 +/- 16.25
76920 ncm-et-13 2019-04-08 06:19 01:15:57 1978886 500 47 111 342 -44.72 +/- 16.96
76919 ncm-et-9 2019-04-08 06:19 01:14:25 1980488 500 36 105 359 -48.25 +/- 15.93
76918 ncm-et-10 2019-04-08 06:18 01:15:21 1961239 500 46 119 335 -51.09 +/- 17.3
76917 ncm-et-4 2019-04-08 06:17 01:17:41 1936634 500 36 121 343 -59.64 +/- 16.76
76916 ncm-et-3 2019-04-08 05:05 01:14:55 1971610 500 37 111 352 -51.8 +/- 16.31
76915 ncm-et-9 2019-04-08 05:03 01:14:25 1967080 500 47 116 337 -48.25 +/- 17.21
76914 ncm-et-4 2019-04-08 05:03 01:13:06 1961698 500 36 118 346 -57.5 +/- 16.61
76913 ncm-et-15 2019-04-08 05:03 01:16:27 1971257 500 49 131 320 -57.5 +/- 18.08
76912 ncm-et-13 2019-04-08 05:03 01:15:34 1972187 500 40 121 339 -56.78 +/- 17.02
76911 ncm-et-10 2019-04-08 05:03 01:14:30 1975645 500 45 122 333 -53.93 +/- 17.39
76910 ncm-et-4 2019-04-08 03:48 01:14:29 1977551 500 38 128 334 -63.23 +/- 17.24
76909 ncm-et-9 2019-04-08 03:47 01:14:53 1969121 500 48 99 353 -35.56 +/- 16.4
76908 ncm-et-15 2019-04-08 03:47 01:14:39 1969395 500 40 110 350 -48.96 +/- 16.46
76907 ncm-et-13 2019-04-08 03:47 01:14:36 1968317 500 47 112 341 -45.42 +/- 17.01
76906 ncm-et-10 2019-04-08 03:47 01:14:31 1975954 500 52 115 333 -44.01 +/- 17.47
76905 ncm-et-3 2019-04-08 03:47 01:17:04 1964147 500 37 119 344 -57.5 +/- 16.72
15614 ncm-et-16 2018-04-05 09:08 00:29:32 1927952 194 16 52 126 -65.23 +/- 28.54
15613 ncm-et-7 2018-04-05 09:08 00:30:04 2000840 196 17 46 133 -51.79 +/- 27.28
15612 ncm-et-9 2018-04-05 09:07 00:30:32 2025900 211 22 48 141 -43.03 +/- 26.84
15611 ncm-et-11 2018-04-05 09:07 00:30:41 1984796 204 23 56 125 -56.7 +/- 29.5
15610 ncm-et-4 2018-04-05 09:07 00:31:01 2025572 211 17 50 144 -54.79 +/- 26.07
15609 ncm-et-6 2018-04-05 09:06 00:31:18 2024264 215 20 48 147 -45.51 +/- 25.9
15608 ncm-et-5 2018-04-05 09:06 00:31:36 2022466 210 12 50 148 -63.57 +/- 24.94
15607 ncm-et-10 2018-04-05 09:06 00:31:51 2021162 215 17 45 153 -45.51 +/- 24.66
15606 ncm-et-12 2018-04-05 09:06 00:32:08 2018074 223 21 54 148 -51.79 +/- 26.2
15605 ncm-et-3 2018-04-05 09:06 00:32:19 2024426 229 13 55 161 -64.45 +/- 23.94
15604 ncm-et-14 2018-04-05 09:06 00:32:25 2017908 219 18 48 153 -47.9 +/- 24.98
15603 ncm-et-15 2018-04-05 09:05 00:32:13 2018883 213 14 47 152 -54.27 +/- 24.53
15602 ncm-et-8 2018-04-05 09:05 00:33:00 2022630 228 18 42 168 -36.71 +/- 22.93
15601 ncm-et-13 2018-04-05 09:05 00:33:08 2024917 232 23 48 161 -37.59 +/- 24.59
15600 ncm-et-7 2018-04-05 07:53 01:14:01 2020196 500 32 126 342 -66.1 +/- 16.74
15599 ncm-et-6 2018-04-05 07:52 01:13:40 2023446 500 36 107 357 -49.67 +/- 16.04
15598 ncm-et-10 2018-04-05 07:52 01:13:25 2020673 500 42 119 339 -53.93 +/- 17.05
15597 ncm-et-7 2018-04-05 07:52 00:00:03 2026390 1 0 1 0 -1129.65 +/- 376.02
15596 ncm-et-4 2018-04-05 07:52 01:14:05 1997618 500 43 110 347 -46.84 +/- 16.66
15595 ncm-et-14 2018-04-05 07:51 01:12:58 2019045 500 39 125 336 -60.36 +/- 17.16
15594 ncm-et-12 2018-04-05 07:51 01:13:12 2021489 500 35 139 326 -73.34 +/- 17.59
15593 ncm-et-8 2018-04-05 07:51 01:12:26 2022467 500 47 114 339 -46.84 +/- 17.11
15592 ncm-et-16 2018-04-05 07:51 01:15:51 2021651 500 41 138 321 -68.27 +/- 17.93
15591 ncm-et-9 2018-04-05 07:51 01:14:52 2025408 500 37 118 345 -56.78 +/- 16.67
15590 ncm-et-3 2018-04-05 07:51 01:13:09 2025735 500 31 142 327 -78.44 +/- 17.47
15589 ncm-et-11 2018-04-05 07:51 01:14:15 2018557 500 39 109 352 -48.96 +/- 16.34
15588 ncm-et-5 2018-04-05 07:51 01:13:51 2024591 500 40 116 344 -53.22 +/- 16.77
15587 ncm-et-15 2018-04-05 07:51 01:12:58 2019533 500 46 112 342 -46.13 +/- 16.95
15586 ncm-et-13 2018-04-05 07:51 01:12:14 2025408 500 46 114 340 -47.55 +/- 17.05

Commit

Commit ID f04f50b368b09edcb2e965bbdd44980654c60cc3
Author Joona Kiiski
Date 2015-03-15 19:45:30 UTC
Do not sleep, but yield During the search, do not block on condition variable, but instead use std::this_thread::yield(). Clear gain with 16 threads. Again results vary highly depending on hardware, but on average it's a clear gain. ELO: 12.17 +-4.3 (95%) LOS: 100.0% Total: 7998 W: 1407 L: 1127 D: 5464 There is no functional change in single thread mode Resolves #294
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