Dev Builds » 20160917-0756

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 05:57:37 1988113 2435 637 140 1658 +71.92 +/- 7.59
ncm-et-4 05:57:55 1969897 2416 637 130 1649 +74.01 +/- 7.58
ncm-et-5 01:52:28 2012984 758 201 48 509 +71.11 +/- 13.84
ncm-et-6 01:52:14 2026473 778 213 45 520 +76.22 +/- 13.68
ncm-et-7 01:52:09 1973642 774 203 37 534 +75.69 +/- 13.19
ncm-et-8 01:52:29 2022060 763 209 47 507 +74.91 +/- 13.92
ncm-et-9 05:57:17 1991859 2431 628 124 1679 +73.09 +/- 7.45
ncm-et-10 05:57:58 1984522 2458 611 130 1717 +68.88 +/- 7.33
ncm-et-11 01:52:14 2019533 781 220 55 506 +74.52 +/- 14.15
ncm-et-12 01:52:24 2016772 769 194 35 540 +72.89 +/- 12.96
ncm-et-13 05:57:52 1988859 2417 623 142 1652 +70.08 +/- 7.59
ncm-et-14 01:52:13 2020513 775 200 41 534 +72.31 +/- 13.25
ncm-et-15 05:57:59 1988197 2446 647 127 1672 +75.01 +/- 7.51
20001 5223 1101 13677 +72.64 +/- 2.63

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
67190 ncm-et-13 2019-01-23 15:27 00:21:57 1975456 147 42 3 102 +94.44 +/- 29.42
67189 ncm-et-9 2019-01-23 15:25 00:24:05 1973130 161 44 8 109 +79.02 +/- 29.6
67188 ncm-et-3 2019-01-23 15:25 00:24:30 1963687 165 52 9 104 +92.68 +/- 31.35
67187 ncm-et-4 2019-01-23 15:24 00:24:55 1978294 168 34 8 126 +54.21 +/- 25.64
67186 ncm-et-15 2019-01-23 15:23 00:26:50 1968338 175 46 13 116 +66.31 +/- 29.39
67185 ncm-et-10 2019-01-23 15:22 00:27:39 1963232 185 53 6 126 +90.24 +/- 27.06
67184 ncm-et-13 2019-01-23 14:13 01:13:49 1964458 500 126 33 341 +65.38 +/- 16.81
67183 ncm-et-9 2019-01-23 14:10 01:13:51 1979661 500 146 27 327 +84.31 +/- 17.38
67182 ncm-et-3 2019-01-23 14:10 01:13:43 1966460 500 122 29 349 +65.38 +/- 16.33
67181 ncm-et-4 2019-01-23 14:09 01:14:08 1941346 500 132 32 336 +70.44 +/- 17.04
67180 ncm-et-15 2019-01-23 14:08 01:13:40 1968621 500 131 20 349 +78.44 +/- 16.12
67179 ncm-et-10 2019-01-23 14:06 01:14:18 1967868 500 143 29 328 +80.63 +/- 17.38
67178 ncm-et-13 2019-01-23 12:58 01:13:28 1977979 500 118 31 351 +61.08 +/- 16.26
67177 ncm-et-9 2019-01-23 12:55 01:13:59 1976398 500 130 21 349 +76.98 +/- 16.14
67176 ncm-et-15 2019-01-23 12:54 01:12:24 1976865 500 137 27 336 +77.71 +/- 16.94
67175 ncm-et-3 2019-01-23 12:54 01:14:40 1963839 500 129 28 343 +71.16 +/- 16.61
67174 ncm-et-4 2019-01-23 12:54 01:14:16 1965072 500 143 31 326 +79.17 +/- 17.51
67173 ncm-et-10 2019-01-23 12:54 01:11:37 1969696 500 127 24 349 +72.61 +/- 16.22
67172 ncm-et-3 2019-01-23 11:41 01:12:20 1983221 500 134 29 337 +74.06 +/- 16.93
67171 ncm-et-4 2019-01-23 11:41 01:12:06 1966001 500 128 27 345 +71.16 +/- 16.49
67170 ncm-et-9 2019-01-23 11:41 01:13:25 1970335 500 129 26 345 +72.61 +/- 16.46
67169 ncm-et-10 2019-01-23 11:41 01:11:55 1963688 500 117 26 357 +63.95 +/- 15.85
67168 ncm-et-13 2019-01-23 11:41 01:16:17 1964613 500 128 30 342 +68.99 +/- 16.7
67167 ncm-et-15 2019-01-23 11:41 01:12:35 1974824 500 132 21 347 +78.44 +/- 16.24
11142 ncm-et-4 2018-03-23 08:23 00:36:24 2022956 248 65 10 173 +78.35 +/- 22.92
11141 ncm-et-5 2018-03-23 08:21 00:37:54 2003012 258 62 16 180 +62.62 +/- 22.81
11140 ncm-et-3 2018-03-23 08:21 00:38:33 2025735 270 74 18 178 +73.12 +/- 23.67
11139 ncm-et-9 2018-03-23 08:21 00:38:45 2026063 270 74 12 184 +81.23 +/- 22.59
11138 ncm-et-10 2018-03-23 08:20 00:39:10 2021977 273 66 11 196 +70.97 +/- 21.14
11137 ncm-et-13 2018-03-23 08:20 00:39:18 2026226 270 69 18 183 +66.42 +/- 23.04
11136 ncm-et-8 2018-03-23 08:20 00:39:24 2020348 263 70 13 180 +76.51 +/- 22.87
11135 ncm-et-12 2018-03-23 08:20 00:39:35 2016286 269 64 16 189 +62.67 +/- 22.13
11134 ncm-et-6 2018-03-23 08:19 00:39:43 2026719 278 68 14 196 +68.36 +/- 21.56
11133 ncm-et-15 2018-03-23 08:19 00:39:52 2020841 271 69 18 184 +66.17 +/- 22.96
11132 ncm-et-14 2018-03-23 08:19 00:40:08 2021169 275 79 11 185 +87.73 +/- 22.6
11131 ncm-et-7 2018-03-23 08:19 00:40:40 1968207 274 65 12 197 +68.06 +/- 21.12
11130 ncm-et-11 2018-03-23 08:18 00:40:56 2019370 281 76 12 193 +80.54 +/- 21.93
11129 ncm-et-9 2018-03-23 07:06 01:13:12 2025572 500 105 30 365 +52.51 +/- 15.51
11128 ncm-et-11 2018-03-23 07:05 01:11:18 2019697 500 144 43 313 +71.16 +/- 18.35
11127 ncm-et-7 2018-03-23 07:05 01:11:29 1979077 500 138 25 337 +79.9 +/- 16.84
11126 ncm-et-13 2018-03-23 07:05 01:13:03 2024427 500 140 27 333 +79.9 +/- 17.09
11125 ncm-et-14 2018-03-23 07:05 01:12:05 2019858 500 121 30 349 +63.95 +/- 16.35
11124 ncm-et-12 2018-03-23 07:05 01:12:49 2017258 500 130 19 351 +78.44 +/- 15.99
11123 ncm-et-6 2018-03-23 07:05 01:12:31 2026227 500 145 31 324 +80.63 +/- 17.61
11122 ncm-et-5 2018-03-23 07:05 01:14:34 2022956 500 139 32 329 +75.52 +/- 17.39
11121 ncm-et-10 2018-03-23 07:05 01:13:19 2020673 500 105 34 361 +49.67 +/- 15.79
11120 ncm-et-3 2018-03-23 07:05 01:13:51 2025736 500 126 27 347 +69.71 +/- 16.39
11119 ncm-et-8 2018-03-23 07:05 01:13:05 2023773 500 139 34 327 +74.06 +/- 17.52
11118 ncm-et-4 2018-03-23 07:05 01:16:06 1945714 500 135 22 343 +79.9 +/- 16.47
11117 ncm-et-15 2018-03-23 07:05 01:12:38 2019696 500 132 28 340 +73.34 +/- 16.76

Commit

Commit ID ea41f18e6e6404a6135d98eaeccfbeb177d5a49d
Author Stéphane Nicolet
Date 2016-09-17 07:56:36 UTC
Swap mg and eg in internal representation of Score Instrumentation shows that in make_score(mg, eg) calls, the mg value is zero in 25,9% of the calls while the eg value is zero in 36,8% of the calls. Swapping the internal fields of mg and eg in the internal representation of Score allows the compiler to optimize away the shift in (eg << 16) + mg in more cases, thus resulting in a 0.3% speed-up overall. No functional change
Copyright 2011–2024 Next Chess Move LLC