Dev Builds » 20180314-0031

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 06:09:15 2002048 2420 1050 67 1303 +149.76 +/- 9.03
ncm-et-4 06:12:51 2001142 2487 1173 75 1239 +164.71 +/- 9.4
ncm-et-5 01:56:24 2008369 771 350 19 402 +159.49 +/- 16.33
ncm-et-6 01:57:20 2026145 780 374 25 381 +167.29 +/- 17.03
ncm-et-7 01:56:52 2014539 770 363 24 383 +164.18 +/- 16.94
ncm-et-8 01:55:51 1949280 736 340 20 376 +161.83 +/- 16.98
ncm-et-9 06:08:57 2000985 2423 1132 55 1236 +166.01 +/- 9.32
ncm-et-10 06:10:58 1986289 2433 1075 66 1292 +153.32 +/- 9.09
ncm-et-11 01:53:14 2018558 765 359 18 388 +166.56 +/- 16.68
ncm-et-12 01:55:39 2020266 767 347 21 399 +157.67 +/- 16.43
ncm-et-13 06:09:30 1984140 2426 1083 62 1281 +155.91 +/- 9.13
ncm-et-14 01:56:25 2021406 769 341 27 401 +150.65 +/- 16.47
ncm-et-15 06:10:49 1994310 2453 1119 65 1269 +159.65 +/- 9.21
20000 9106 544 10350 +158.98 +/- 3.23

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
52554 ncm-et-3 2018-09-05 16:11 00:22:44 1991455 146 64 4 78 +151.75 +/- 37.16
52553 ncm-et-10 2018-09-05 16:10 00:24:03 1981068 157 75 2 80 +174.98 +/- 36.53
52552 ncm-et-9 2018-09-05 16:08 00:25:06 1989085 162 73 3 86 +160.68 +/- 35.15
52551 ncm-et-13 2018-09-05 16:08 00:25:22 1966905 167 75 4 88 +157.72 +/- 34.96
52550 ncm-et-15 2018-09-05 16:06 00:27:40 1980129 183 85 5 93 +162.85 +/- 34.3
52549 ncm-et-4 2018-09-05 16:05 00:28:21 1990349 185 100 5 80 +197.17 +/- 37.75
52548 ncm-et-10 2018-09-05 14:53 01:15:59 1972306 500 227 7 266 +164.07 +/- 19.82
52547 ncm-et-3 2018-09-05 14:52 01:17:32 1988138 500 214 15 271 +146.36 +/- 19.84
52546 ncm-et-9 2018-09-05 14:52 01:15:42 1986877 500 232 13 255 +163.21 +/- 20.61
52545 ncm-et-4 2018-09-05 14:50 01:14:08 1988299 500 228 18 254 +155.54 +/- 20.81
52544 ncm-et-15 2018-09-05 14:50 01:15:13 1984366 500 235 16 249 +163.21 +/- 21.03
52543 ncm-et-13 2018-09-05 14:50 01:17:39 1910159 500 239 14 247 +168.4 +/- 21.08
52542 ncm-et-10 2018-09-05 13:36 01:15:26 1981694 500 226 10 264 +160.64 +/- 20.04
52541 ncm-et-9 2018-09-05 13:34 01:16:28 1990033 500 219 9 272 +155.54 +/- 19.58
52540 ncm-et-3 2018-09-05 13:34 01:17:33 1989401 500 211 16 273 +143.07 +/- 19.77
52539 ncm-et-4 2018-09-05 13:33 01:15:44 1990665 500 234 10 256 +167.53 +/- 20.46
52538 ncm-et-13 2018-09-05 13:33 01:15:53 1991297 500 220 14 266 +152.18 +/- 20.07
52537 ncm-et-15 2018-09-05 13:33 01:16:04 1981381 500 225 12 263 +158.08 +/- 20.16
52536 ncm-et-4 2018-09-05 12:16 01:15:59 1991297 500 226 17 257 +154.7 +/- 20.62
52535 ncm-et-9 2018-09-05 12:16 01:17:06 1988769 500 251 11 238 +181.7 +/- 21.49
52534 ncm-et-13 2018-09-05 12:16 01:15:39 1984682 500 228 15 257 +158.08 +/- 20.57
52533 ncm-et-15 2018-09-05 12:16 01:15:35 1980755 500 219 19 262 +147.19 +/- 20.41
52532 ncm-et-3 2018-09-05 12:16 01:16:53 1990190 500 211 13 276 +145.54 +/- 19.52
52531 ncm-et-10 2018-09-05 12:16 01:19:16 1944086 500 220 19 261 +148.02 +/- 20.47
8178 ncm-et-8 2018-03-14 03:33 00:37:47 1956619 236 109 5 122 +164.36 +/- 29.68
8177 ncm-et-13 2018-03-14 03:32 00:38:51 2026555 259 96 8 155 +122.93 +/- 25.65
8176 ncm-et-11 2018-03-14 03:31 00:38:55 2017745 265 133 7 125 +179.66 +/- 29.84
8175 ncm-et-14 2018-03-14 03:30 00:40:35 2021814 269 114 10 145 +141.69 +/- 27.33
8174 ncm-et-9 2018-03-14 03:30 00:40:38 2026230 261 120 4 137 +165.99 +/- 27.77
8173 ncm-et-15 2018-03-14 03:30 00:40:53 2020184 270 122 3 145 +164.39 +/- 26.74
8172 ncm-et-7 2018-03-14 03:30 00:41:12 2027046 270 122 6 142 +159.63 +/- 27.43
8171 ncm-et-3 2018-03-14 03:29 00:41:08 2026555 274 131 8 135 +167.93 +/- 28.59
8170 ncm-et-5 2018-03-14 03:29 00:41:09 1993129 271 129 7 135 +168.48 +/- 28.48
8169 ncm-et-12 2018-03-14 03:29 00:40:57 2020186 267 121 9 137 +155.32 +/- 28.3
8168 ncm-et-6 2018-03-14 03:29 00:42:05 2026227 280 134 4 142 +174.68 +/- 27.41
8167 ncm-et-10 2018-03-14 03:28 00:42:10 2018070 276 120 10 146 +146.59 +/- 27.31
8166 ncm-et-4 2018-03-14 03:26 00:45:08 2023611 302 158 6 138 +192.39 +/- 28.36
8165 ncm-et-11 2018-03-14 02:16 01:14:19 2019372 500 226 11 263 +159.78 +/- 20.12
8164 ncm-et-3 2018-03-14 02:15 01:13:25 2026554 500 219 11 270 +153.86 +/- 19.76
8163 ncm-et-9 2018-03-14 02:15 01:13:57 2024917 500 237 15 248 +165.8 +/- 21.05
8162 ncm-et-13 2018-03-14 02:14 01:16:06 2025244 500 225 7 268 +162.35 +/- 19.71
8161 ncm-et-8 2018-03-14 02:14 01:18:04 1941942 500 231 15 254 +160.64 +/- 20.73
8160 ncm-et-12 2018-03-14 02:14 01:14:42 2020347 500 226 12 262 +158.93 +/- 20.21
8159 ncm-et-15 2018-03-14 02:13 01:15:24 2019045 500 233 10 257 +166.66 +/- 20.41
8158 ncm-et-14 2018-03-14 02:13 01:15:50 2020999 500 227 17 256 +155.54 +/- 20.68
8157 ncm-et-5 2018-03-14 02:13 01:15:15 2023610 500 221 12 267 +154.7 +/- 19.95
8156 ncm-et-10 2018-03-14 02:13 01:14:04 2020510 500 207 18 275 +138.18 +/- 19.72
8155 ncm-et-7 2018-03-14 02:13 01:15:40 2002033 500 241 18 241 +166.66 +/- 21.52
8154 ncm-et-6 2018-03-14 02:12 01:15:15 2026063 500 240 21 239 +163.21 +/- 21.7
8153 ncm-et-4 2018-03-14 02:11 01:13:31 2022635 500 227 19 254 +153.86 +/- 20.84

Commit

Commit ID edf4c07d251f1d6c709d47969bfe1452194d9430
Author lucasart
Date 2018-03-14 00:31:21 UTC
Use intrinsics only for LSB/MSB The NO_BSF does not cover any real life use-case today. The only compilers that can compile SF today, with the current Makefile and no source code changes, are either GCC compatible (define __GNUC__) or MSVC compatible (define _MSC_VER). So they all support LSB/MSB intrinsics. This patch simplifies away the software fall-backs of LSB/MSB that were still in Stockfish code, but unused in any of the officially supported compilers. Note the (legacy) MSVC/WIN32 case, where we use a 32-bit BSF/BSR solution, as 64-bit intrinsics aren't available there. Discussed in: https://github.com/official-stockfish/Stockfish/pull/1447 and: https://github.com/official-stockfish/Stockfish/pull/1479 No functional change.
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