Dev Builds » 20200811-2135

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 08:34:22 1960912 3315 2379 40 896 +305.16 +/- 11.35
ncm-et-4 08:34:40 1958484 3348 2405 48 895 +304.07 +/- 11.37
ncm-et-9 08:34:14 1964990 3341 2393 49 899 +302.41 +/- 11.35
ncm-et-10 08:34:13 1959657 3319 2424 37 858 +314.77 +/- 11.61
ncm-et-13 08:34:38 1956749 3327 2377 38 912 +303.41 +/- 11.24
ncm-et-15 08:34:42 1967176 3350 2443 47 860 +311.93 +/- 11.61
20000 14421 259 5320 +306.91 +/- 4.66

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
134659 ncm-et-3 2020-08-13 08:44 00:48:25 1958476 315 234 1 80 +329.99 +/- 38.19
134658 ncm-et-10 2020-08-13 08:43 00:49:37 1955114 319 237 3 79 +325.32 +/- 38.62
134657 ncm-et-13 2020-08-13 08:41 00:51:08 1958169 327 229 4 94 +293.34 +/- 35.26
134656 ncm-et-9 2020-08-13 08:40 00:52:08 1962457 341 252 2 87 +325.02 +/- 36.66
134655 ncm-et-4 2020-08-13 08:40 00:52:51 1966305 348 257 8 83 +312.14 +/- 37.74
134654 ncm-et-15 2020-08-13 08:39 00:53:47 1968484 350 261 3 86 +328.05 +/- 36.97
134653 ncm-et-3 2020-08-13 07:25 01:17:39 1963686 500 370 6 124 +321.19 +/- 30.74
134652 ncm-et-10 2020-08-13 07:23 01:18:20 1956804 500 364 8 128 +309.64 +/- 30.26
134651 ncm-et-4 2020-08-13 07:22 01:16:30 1967239 500 350 7 143 +291.97 +/- 28.53
134650 ncm-et-13 2020-08-13 07:22 01:18:17 1961385 500 375 5 120 +330.23 +/- 31.24
134649 ncm-et-9 2020-08-13 07:21 01:18:11 1955622 500 348 8 144 +288.06 +/- 28.45
134648 ncm-et-15 2020-08-13 07:21 01:16:48 1963842 500 375 8 117 +325.67 +/- 31.7
134647 ncm-et-3 2020-08-13 06:05 01:18:55 1949784 500 347 5 148 +290.66 +/- 27.95
134646 ncm-et-13 2020-08-13 06:04 01:16:37 1964919 500 359 6 135 +305.45 +/- 29.39
134645 ncm-et-10 2020-08-13 06:04 01:18:06 1956675 500 367 4 129 +319.72 +/- 30.05
134644 ncm-et-15 2020-08-13 06:04 01:15:51 1973748 500 353 8 139 +294.61 +/- 28.99
134643 ncm-et-9 2020-08-13 06:03 01:16:30 1963533 500 356 11 133 +294.61 +/- 29.69
134642 ncm-et-4 2020-08-13 06:01 01:20:02 1909161 500 356 7 137 +299.97 +/- 29.19
134641 ncm-et-3 2020-08-13 04:46 01:18:29 1963533 500 344 5 151 +286.77 +/- 27.65
134640 ncm-et-10 2020-08-13 04:45 01:17:30 1960019 500 366 5 129 +316.8 +/- 30.08
134639 ncm-et-15 2020-08-13 04:45 01:17:31 1967231 500 363 8 129 +308.24 +/- 30.14
134638 ncm-et-13 2020-08-13 04:45 01:18:02 1933222 500 359 8 133 +302.7 +/- 29.67
134637 ncm-et-9 2020-08-13 04:45 01:17:37 1969870 500 371 7 122 +321.19 +/- 31.02
134636 ncm-et-4 2020-08-13 04:43 01:17:08 1963244 500 368 5 127 +319.72 +/- 30.33
134635 ncm-et-15 2020-08-13 03:28 01:16:27 1965235 500 363 6 131 +311.06 +/- 29.86
134634 ncm-et-9 2020-08-13 03:28 01:16:02 1971109 500 348 6 146 +290.66 +/- 28.19
134633 ncm-et-3 2020-08-13 03:27 01:17:12 1964303 500 357 5 138 +304.07 +/- 29.02
134632 ncm-et-13 2020-08-13 03:27 01:17:06 1961383 500 363 5 132 +312.48 +/- 29.71
134631 ncm-et-4 2020-08-13 03:27 01:14:50 1970341 500 353 10 137 +291.97 +/- 29.24
134630 ncm-et-10 2020-08-13 03:27 01:17:41 1962316 500 360 5 135 +308.24 +/- 29.36
134629 ncm-et-9 2020-08-13 02:10 01:16:30 1966323 500 354 11 135 +291.97 +/- 29.47
134628 ncm-et-13 2020-08-13 02:09 01:16:39 1959543 500 343 3 154 +288.06 +/- 27.28
134627 ncm-et-10 2020-08-13 02:09 01:16:19 1965896 500 371 7 122 +321.19 +/- 31.02
134626 ncm-et-3 2020-08-13 02:09 01:17:07 1963993 500 368 11 121 +311.06 +/- 31.16
134625 ncm-et-4 2020-08-13 02:09 01:16:41 1970637 500 354 5 141 +299.97 +/- 28.69
134624 ncm-et-15 2020-08-13 02:09 01:17:59 1964609 500 364 6 130 +312.48 +/- 29.98
134623 ncm-et-9 2020-08-13 00:52 01:17:16 1966021 500 364 4 132 +315.35 +/- 29.68
134622 ncm-et-3 2020-08-13 00:52 01:16:35 1962611 500 359 7 134 +304.07 +/- 29.53
134621 ncm-et-10 2020-08-13 00:52 01:16:40 1960775 500 359 5 136 +306.84 +/- 29.25
134620 ncm-et-4 2020-08-13 00:52 01:16:38 1962463 500 367 6 127 +316.8 +/- 30.35
134619 ncm-et-13 2020-08-13 00:51 01:16:49 1958623 500 349 7 144 +290.66 +/- 28.43
134618 ncm-et-15 2020-08-13 00:51 01:16:19 1967088 500 364 8 128 +309.64 +/- 30.26

Commit

Commit ID 992f549ae7f4f73b025429c44bdbbc65de917f6c
Author Joost VandeVondele
Date 2020-08-11 21:35:02 UTC
Restrict avx2 hack to windows target this workaround is possibly rather a windows & gcc specific problem. See e.g. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54412#c25 on Linux with gcc 8 this patch brings roughly a 8% speedup. However, probably needs some testing in the wild. includes a workaround for an old msys make (3.81) installation (fixes #2984) No functional change
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