Dev Builds » 20150223-1247

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 05:58:42 1985404 2393 189 615 1589 -62.52 +/- 7.93
ncm-et-4 06:01:37 1976673 2391 177 600 1614 -62.12 +/- 7.79
ncm-et-5 01:46:14 2007745 705 52 184 469 -65.83 +/- 14.56
ncm-et-6 01:46:29 2024590 719 43 183 493 -68.53 +/- 13.89
ncm-et-7 01:46:19 2023632 719 51 178 490 -62.02 +/- 14.06
ncm-et-8 01:46:25 2014457 704 54 194 456 -70.03 +/- 14.95
ncm-et-9 05:58:42 1990617 2378 160 584 1634 -62.62 +/- 7.65
ncm-et-10 05:57:11 1986606 2393 202 631 1560 -62.97 +/- 8.09
ncm-et-11 01:46:30 2011175 703 42 176 485 -67.05 +/- 13.95
ncm-et-12 01:46:14 2019698 708 58 173 477 -56.94 +/- 14.4
ncm-et-13 05:55:50 1987625 2372 158 603 1611 -65.96 +/- 7.75
ncm-et-14 01:46:34 2019371 714 60 188 466 -62.97 +/- 14.79
ncm-et-15 05:57:29 1988594 2387 192 614 1581 -62.08 +/- 7.97
ncm-et-16 01:45:52 2009496 714 39 189 486 -74.09 +/- 13.99
20000 1477 5112 13411 -63.86 +/- 2.71

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
78512 ncm-et-13 2019-04-21 04:55 00:23:59 1978113 153 15 44 94 -66.66 +/- 33.89
78511 ncm-et-3 2019-04-21 04:55 00:24:12 1963532 164 19 37 108 -38.29 +/- 30.98
78510 ncm-et-4 2019-04-21 04:54 00:25:18 1966768 166 14 38 114 -50.59 +/- 29.26
78509 ncm-et-9 2019-04-21 04:54 00:25:37 1974206 166 8 37 121 -61.33 +/- 26.8
78508 ncm-et-10 2019-04-21 04:53 00:26:03 1980946 174 17 37 120 -40.11 +/- 28.58
78507 ncm-et-15 2019-04-21 04:53 00:26:33 1970946 177 8 47 122 -77.83 +/- 27.61
78506 ncm-et-13 2019-04-21 03:38 01:16:23 1964768 500 34 111 355 -53.93 +/- 16.11
78505 ncm-et-9 2019-04-21 03:38 01:15:07 1987364 500 36 119 345 -58.21 +/- 16.66
78504 ncm-et-10 2019-04-21 03:38 01:14:11 1960927 500 39 128 333 -62.51 +/- 17.31
78503 ncm-et-4 2019-04-21 03:38 01:15:34 1965534 500 42 127 331 -59.64 +/- 17.45
78502 ncm-et-3 2019-04-21 03:37 01:16:26 1971041 500 39 129 332 -63.23 +/- 17.36
78501 ncm-et-15 2019-04-21 03:37 01:14:24 1981154 500 35 126 339 -63.95 +/- 16.94
78458 ncm-et-4 2019-04-20 17:39 01:17:59 1935171 500 40 117 343 -53.93 +/- 16.82
78457 ncm-et-10 2019-04-20 17:38 01:14:50 1972432 500 41 122 337 -56.78 +/- 17.14
78456 ncm-et-9 2019-04-20 17:37 01:16:00 1968336 500 37 120 343 -58.21 +/- 16.77
78455 ncm-et-3 2019-04-20 17:37 01:16:49 1964765 500 41 114 345 -51.09 +/- 16.73
78454 ncm-et-13 2019-04-20 17:36 01:14:55 1965696 500 31 144 325 -79.9 +/- 17.56
78453 ncm-et-15 2019-04-20 17:36 01:16:15 1968793 500 48 137 315 -62.51 +/- 18.31
78452 ncm-et-3 2019-04-20 16:21 01:14:37 1962927 500 40 133 327 -65.38 +/- 17.62
78451 ncm-et-4 2019-04-20 16:21 01:16:37 1965071 500 27 140 333 -79.9 +/- 17.09
78450 ncm-et-10 2019-04-20 16:21 01:15:27 1967245 500 49 147 304 -68.99 +/- 18.85
78449 ncm-et-15 2019-04-20 16:21 01:13:38 1974210 500 50 125 325 -52.51 +/- 17.85
78448 ncm-et-9 2019-04-20 16:21 01:15:30 1964618 500 33 130 337 -68.27 +/- 17.01
78447 ncm-et-13 2019-04-20 16:21 01:14:21 1968158 500 37 129 334 -64.66 +/- 17.23
16248 ncm-et-12 2018-04-07 03:22 00:29:56 2021651 208 17 39 152 -36.89 +/- 24.3
16247 ncm-et-8 2018-04-07 03:22 00:30:07 2021653 204 14 56 134 -72.57 +/- 27.37
16246 ncm-et-9 2018-04-07 03:21 00:31:01 2024428 212 10 48 154 -62.96 +/- 23.78
16245 ncm-et-7 2018-04-07 03:20 00:31:16 2026554 219 13 51 155 -60.9 +/- 24.33
16244 ncm-et-5 2018-04-07 03:20 00:31:18 1991228 205 17 57 131 -68.67 +/- 28.16
16243 ncm-et-15 2018-04-07 03:20 00:31:55 2017258 210 10 53 147 -72.16 +/- 24.96
16242 ncm-et-16 2018-04-07 03:20 00:31:30 2001230 214 13 51 150 -62.36 +/- 24.91
16241 ncm-et-11 2018-04-07 03:20 00:32:11 2003791 203 14 50 139 -62.27 +/- 26.34
16240 ncm-et-6 2018-04-07 03:20 00:32:19 2023445 219 12 57 150 -72.42 +/- 25.14
16239 ncm-et-3 2018-04-07 03:19 00:32:48 2024590 229 14 61 154 -72.34 +/- 25.15
16238 ncm-et-10 2018-04-07 03:19 00:32:50 2019533 219 15 62 142 -75.74 +/- 26.72
16237 ncm-et-14 2018-04-07 03:19 00:32:54 2019371 214 17 51 146 -55.67 +/- 25.88
16236 ncm-et-13 2018-04-07 03:19 00:32:55 2023121 219 11 54 154 -69.12 +/- 24.37
16235 ncm-et-4 2018-04-07 03:18 00:33:18 2002089 225 19 57 149 -59.25 +/- 26.04
16234 ncm-et-16 2018-04-07 02:05 01:14:22 2017762 500 26 138 336 -79.17 +/- 16.92
16233 ncm-et-13 2018-04-07 02:05 01:13:17 2025899 500 30 121 349 -63.95 +/- 16.35
16232 ncm-et-12 2018-04-07 02:05 01:16:18 2017745 500 41 134 325 -65.38 +/- 17.73
16231 ncm-et-9 2018-04-07 02:05 01:15:27 2024753 500 36 130 334 -66.1 +/- 17.21
16230 ncm-et-8 2018-04-07 02:04 01:16:18 2007261 500 40 138 322 -68.99 +/- 17.87
16229 ncm-et-6 2018-04-07 02:04 01:14:10 2025735 500 31 126 343 -66.82 +/- 16.67
16228 ncm-et-14 2018-04-07 02:04 01:13:40 2019371 500 43 137 320 -66.1 +/- 18.01
16227 ncm-et-4 2018-04-07 02:04 01:12:51 2025408 500 35 121 344 -60.36 +/- 16.69
16226 ncm-et-5 2018-04-07 02:04 01:14:56 2024263 500 35 127 338 -64.66 +/- 16.99
16225 ncm-et-7 2018-04-07 02:04 01:15:03 2020710 500 38 127 335 -62.51 +/- 17.19
16224 ncm-et-3 2018-04-07 02:04 01:13:50 2025572 500 36 141 323 -74.06 +/- 17.75
16223 ncm-et-11 2018-04-07 02:04 01:14:19 2018560 500 28 126 346 -68.99 +/- 16.46
16222 ncm-et-15 2018-04-07 02:04 01:14:44 2019208 500 41 126 333 -59.64 +/- 17.34
16221 ncm-et-10 2018-04-07 02:04 01:13:50 2018558 500 41 135 324 -66.1 +/- 17.78

Commit

Commit ID 38112060dc2da351c6dde8f12d0ee5cfaeac5084
Author Marco Costalba
Date 2015-02-23 12:47:07 UTC
Use spinlock instead of mutex for Threads and SplitPoint It is reported to be defenitly faster with increasing number of threads, we go from a +3.5% with 4 threads to a +15% with 16 threads. The only drawback is that now when testing with more threads than physical available cores, the speed slows down to a crawl. This is expected and was similar at what we had setting the old sleepingThreads to false. No functional change.
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