Dev Builds » 20170817-0732

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 06:04:39 2000581 2457 888 77 1492 +119.14 +/- 8.22
ncm-et-4 06:05:01 2000085 2455 863 113 1479 +109.64 +/- 8.36
ncm-et-5 01:53:51 2023120 760 270 30 460 +113.6 +/- 14.91
ncm-et-6 01:53:47 2025326 785 277 25 483 +115.62 +/- 14.39
ncm-et-7 01:53:30 2023283 782 272 37 473 +107.73 +/- 14.79
ncm-et-8 01:53:41 1987573 761 282 18 461 +125.75 +/- 14.7
ncm-et-9 06:04:16 2002002 2436 880 85 1471 +117.69 +/- 8.31
ncm-et-10 06:04:33 1977732 2388 885 91 1412 +120.08 +/- 8.56
ncm-et-11 01:53:34 2019211 772 266 25 481 +112.21 +/- 14.37
ncm-et-12 01:53:43 1975303 764 244 25 495 +102.46 +/- 13.95
ncm-et-13 06:04:43 2001095 2451 876 93 1482 +115.02 +/- 8.3
ncm-et-14 01:53:45 2018153 765 259 34 472 +105.3 +/- 14.69
ncm-et-15 06:05:01 1978876 2424 895 69 1460 +123.32 +/- 8.31
20000 7157 722 12121 +115.9 +/- 2.89

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
56175 ncm-et-10 2018-10-03 00:24 00:21:06 1984047 140 61 5 74 +147.19 +/- 38.47
56174 ncm-et-15 2018-10-03 00:24 00:21:34 1981695 142 45 3 94 +105.93 +/- 31.45
56173 ncm-et-4 2018-10-03 00:19 00:26:14 1990033 177 78 5 94 +152.36 +/- 33.88
56172 ncm-et-9 2018-10-03 00:19 00:26:26 1991455 176 62 6 108 +114.52 +/- 30.6
56171 ncm-et-3 2018-10-03 00:19 00:26:34 1986569 175 73 2 100 +149.56 +/- 31.79
56170 ncm-et-13 2018-10-03 00:17 00:28:41 1987981 190 71 8 111 +119.73 +/- 30.8
56169 ncm-et-15 2018-10-02 23:08 01:14:26 1982948 500 192 15 293 +128.55 +/- 18.73
56168 ncm-et-10 2018-10-02 23:06 01:17:09 1913893 500 168 22 310 +104.49 +/- 18.09
56167 ncm-et-3 2018-10-02 23:03 01:14:24 1990506 500 186 19 295 +120.67 +/- 18.75
56166 ncm-et-4 2018-10-02 23:03 01:15:30 1990032 500 177 19 304 +113.68 +/- 18.31
56165 ncm-et-9 2018-10-02 23:02 01:15:55 1989874 500 180 19 301 +116.0 +/- 18.46
56164 ncm-et-13 2018-10-02 23:02 01:13:43 1986878 500 175 17 308 +113.68 +/- 18.06
56163 ncm-et-10 2018-10-02 21:50 01:14:35 1982635 500 179 18 303 +116.0 +/- 18.33
56162 ncm-et-15 2018-10-02 21:48 01:18:53 1918473 500 179 13 308 +119.89 +/- 17.93
56161 ncm-et-3 2018-10-02 21:47 01:14:42 1987981 500 184 15 301 +122.24 +/- 18.34
56160 ncm-et-4 2018-10-02 21:47 01:14:31 1990507 500 168 24 308 +102.97 +/- 18.24
56159 ncm-et-9 2018-10-02 21:47 01:13:51 1990191 500 198 10 292 +137.37 +/- 18.61
56158 ncm-et-13 2018-10-02 21:46 01:14:19 1988619 500 181 20 299 +116.0 +/- 18.58
56157 ncm-et-9 2018-10-02 20:31 01:14:41 1990823 500 160 18 322 +101.46 +/- 17.4
56156 ncm-et-3 2018-10-02 20:31 01:15:11 1989085 500 175 18 307 +112.91 +/- 18.13
56155 ncm-et-10 2018-10-02 20:31 01:18:15 1944304 500 192 16 292 +127.76 +/- 18.81
56154 ncm-et-4 2018-10-02 20:31 01:14:54 1990349 500 178 23 299 +111.37 +/- 18.66
56153 ncm-et-15 2018-10-02 20:31 01:16:18 1953676 500 178 10 312 +121.46 +/- 17.63
56152 ncm-et-13 2018-10-02 20:31 01:14:25 1991297 500 183 23 294 +115.23 +/- 18.9
8828 ncm-et-12 2018-03-16 03:45 00:37:56 2017098 264 92 9 163 +113.06 +/- 24.83
8827 ncm-et-8 2018-03-16 03:45 00:38:00 2013596 261 101 5 155 +134.07 +/- 25.43
8826 ncm-et-9 2018-03-16 03:45 00:38:05 2024426 260 76 15 169 +83.06 +/- 24.32
8825 ncm-et-10 2018-03-16 03:44 00:39:13 2020188 248 92 10 146 +119.36 +/- 26.75
8824 ncm-et-13 2018-03-16 03:44 00:39:34 2025244 261 87 6 168 +111.5 +/- 23.83
8823 ncm-et-5 2018-03-16 03:43 00:39:51 2022794 260 95 12 153 +114.93 +/- 26.23
8822 ncm-et-14 2018-03-16 03:43 00:40:00 2017746 265 91 13 161 +105.38 +/- 25.38
8821 ncm-et-11 2018-03-16 03:43 00:40:04 2018395 272 100 13 159 +115.17 +/- 25.8
8820 ncm-et-4 2018-03-16 03:43 00:40:16 2025573 278 100 17 161 +106.99 +/- 25.89
8819 ncm-et-3 2018-03-16 03:43 00:40:34 2024099 282 99 11 172 +112.16 +/- 24.36
8818 ncm-et-15 2018-03-16 03:43 00:40:37 2016771 282 114 9 159 +135.9 +/- 25.75
8817 ncm-et-6 2018-03-16 03:42 00:40:46 2026390 285 99 11 175 +110.9 +/- 24.09
8816 ncm-et-7 2018-03-16 03:42 00:40:48 2022630 282 97 9 176 +112.16 +/- 23.76
8815 ncm-et-11 2018-03-16 02:28 01:13:30 2020028 500 166 12 322 +110.6 +/- 17.21
8814 ncm-et-13 2018-03-16 02:28 01:14:01 2026554 500 179 19 302 +115.23 +/- 18.41
8813 ncm-et-9 2018-03-16 02:28 01:15:18 2025244 500 204 17 279 +136.56 +/- 19.49
8812 ncm-et-12 2018-03-16 02:28 01:15:47 1933508 500 152 16 332 +96.94 +/- 16.85
8811 ncm-et-8 2018-03-16 02:28 01:15:41 1961550 500 181 13 306 +121.46 +/- 18.03
8810 ncm-et-6 2018-03-16 02:28 01:13:01 2024263 500 178 14 308 +118.33 +/- 17.96
8809 ncm-et-4 2018-03-16 02:28 01:13:36 2014018 500 162 25 313 +97.69 +/- 18.02
8808 ncm-et-15 2018-03-16 02:28 01:13:13 2019697 500 187 19 294 +121.46 +/- 18.8
8807 ncm-et-5 2018-03-16 02:28 01:14:00 2023446 500 175 18 307 +112.91 +/- 18.13
8806 ncm-et-3 2018-03-16 02:28 01:13:14 2025246 500 171 12 317 +114.45 +/- 17.46
8805 ncm-et-7 2018-03-16 02:28 01:12:42 2023936 500 175 28 297 +105.25 +/- 18.87
8804 ncm-et-10 2018-03-16 02:28 01:14:15 2021325 500 193 20 287 +125.39 +/- 19.17
8803 ncm-et-14 2018-03-16 02:28 01:13:45 2018561 500 168 21 311 +105.25 +/- 18.02

Commit

Commit ID ae6a4ebf1f44cb05e96f8f33342ec281b41b0cc0
Author lucasart
Date 2017-08-17 07:32:44 UTC
Use int16_t in History values Reduces memory footprint by ~1.2MB (per thread). Strong pressure: small but mesurable gain LLR: 2.96 (-2.94,2.94) [0.00,4.00] Total: 258430 W: 46977 L: 45943 D: 165510 Low pressure: no regression LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 73542 W: 13058 L: 13026 D: 47458 Strong pressure + LTC: elo gain confirmed LLR: 2.96 (-2.94,2.94) [0.00,4.00] Total: 31489 W: 4532 L: 4295 D: 22662 Tested for crashing on overflow and after 70K games at STC we have only 4 time losses, possible candidate for an overflow. No functional change.
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