Dev Builds » 20170901-1816

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.

Results

Host Started (UTC) Duration Base NPS (Avg) Games Wins Losses Draws Elo
ncm-et-3 2018-03-02 22:55 02:03:25 2025575 845 282 31 532 +106.41 +/- 13.64
ncm-et-4 2018-03-02 22:54 02:04:03 2008083 842 317 29 496 +123.83 +/- 14.40
ncm-et-5 2018-03-02 22:54 02:03:59 2022715 832 301 28 503 +118.38 +/- 14.18
ncm-et-6 2018-03-02 22:54 02:04:00 2024755 834 308 32 494 +119.48 +/- 14.45
ncm-et-7 2018-03-02 22:54 02:03:54 2025496 831 307 24 500 +123.24 +/- 14.19
ncm-et-8 2018-03-02 22:54 02:03:44 2001251 826 304 30 492 +119.78 +/- 14.43
ncm-et-9 2018-03-02 22:54 02:03:50 2024591 828 286 33 509 +109.66 +/- 14.09
ncm-et-10 2018-03-02 22:54 02:04:07 2018153 833 298 44 491 +109.42 +/- 14.65
ncm-et-11 2018-03-02 22:54 02:03:55 2015399 830 318 34 478 +123.88 +/- 14.82
ncm-et-12 2018-03-02 22:54 02:04:06 2020596 830 297 29 504 +116.35 +/- 14.16
ncm-et-13 2018-03-02 22:54 02:03:49 2025654 836 299 27 510 +117.30 +/- 14.03
ncm-et-14 2018-03-02 22:55 02:03:32 2020675 833 308 25 500 +122.92 +/- 14.21
  10000 3625 366 6009 +117.51 +/- 4.12

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
4512 ncm-et-4 2018-03-02 22:54 01:12:11 2023940 500 178 23 299 +111.37 +/- 18.63 Show
4513 ncm-et-10 2018-03-02 22:54 01:13:28 2016446 500 177 31 292 +104.49 +/- 19.14 Show
4514 ncm-et-11 2018-03-02 22:54 01:14:18 2012566 500 188 17 295 +123.81 +/- 18.67 Show
4515 ncm-et-12 2018-03-02 22:54 01:13:19 2019377 500 174 16 310 +113.68 +/- 17.90 Show
4516 ncm-et-5 2018-03-02 22:54 01:13:18 2025081 500 179 16 305 +117.55 +/- 18.15 Show
4517 ncm-et-6 2018-03-02 22:54 01:13:44 2026063 500 186 22 292 +118.33 +/- 18.95 Show
4518 ncm-et-13 2018-03-02 22:54 01:13:12 2025244 500 173 17 310 +112.14 +/- 17.93 Show
4519 ncm-et-7 2018-03-02 22:54 01:13:10 2028689 500 189 13 298 +127.76 +/- 18.39 Show
4520 ncm-et-9 2018-03-02 22:54 01:13:01 2025899 500 172 18 310 +110.60 +/- 17.96 Show
4521 ncm-et-8 2018-03-02 22:54 01:14:32 2023609 500 188 17 295 +123.81 +/- 18.67 Show
4522 ncm-et-3 2018-03-02 22:55 01:12:23 2023775 500 167 16 317 +108.30 +/- 17.56 Show
4523 ncm-et-14 2018-03-02 22:55 01:12:53 2021978 500 184 16 300 +121.46 +/- 18.39 Show
4524 ncm-et-4 2018-03-03 00:08 00:50:33 1992225 342 139 6 197 +142.62 +/- 22.67 Show
4525 ncm-et-3 2018-03-03 00:08 00:49:42 2027374 345 115 15 215 +103.68 +/- 21.66 Show
4526 ncm-et-9 2018-03-03 00:09 00:49:30 2023282 328 114 15 199 +108.24 +/- 22.75 Show
4527 ncm-et-7 2018-03-03 00:09 00:49:25 2022303 331 118 11 202 +116.49 +/- 22.33 Show
4528 ncm-et-13 2018-03-03 00:09 00:49:18 2026063 336 126 10 200 +125.09 +/- 22.55 Show
4529 ncm-et-12 2018-03-03 00:09 00:49:28 2021814 330 123 13 194 +120.41 +/- 23.15 Show
4530 ncm-et-5 2018-03-03 00:09 00:49:22 2020349 332 122 12 198 +119.63 +/- 22.77 Show
4531 ncm-et-14 2018-03-03 00:09 00:49:20 2019371 333 124 9 200 +125.13 +/- 22.44 Show
4532 ncm-et-10 2018-03-03 00:09 00:49:20 2019859 333 121 13 199 +116.90 +/- 22.75 Show
4533 ncm-et-6 2018-03-03 00:09 00:48:56 2023447 334 122 10 202 +121.19 +/- 22.33 Show
4534 ncm-et-11 2018-03-03 00:10 00:48:18 2018232 330 130 17 183 +123.98 +/- 24.35 Show
4535 ncm-et-8 2018-03-03 00:10 00:47:50 1978893 326 116 13 197 +113.66 +/- 22.80 Show

Commit

Commit ID e385f194e970f0675bd4c3509bca4a6c81b6df5e
Author Joost VandeVondele
Date 2017-09-01 18:16:56 UTC
Commit Type Non Functional
Fix uninitialized memory usage

After increasing the number of threads, the histories were not cleared,
resulting in uninitialized memory usage.

This patch fixes this by clearing threads histories in Thread c'tor as
is the idomatic way.

This fixes issue 1227

No functional change.

Tests From Startpos

Host Wins Losses Draws Elo
ncm-et-3 4997 1888 119 2990 +128.56 +/- 5.78
ncm-et-4 5003 1947 124 2932 +132.70 +/- 5.88
  10000 3835 243 5922 +130.62 +/- 4.12