Dev Builds » 20200813-0539

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 08:31:58 1962811 3335 2382 38 915 +303.28 +/- 11.23
ncm-et-4 08:32:44 1967955 3336 2424 38 874 +311.93 +/- 11.5
ncm-et-9 08:34:04 1962391 3324 2460 30 834 +323.45 +/- 11.77
ncm-et-10 08:36:06 1959312 3325 2391 33 901 +307.66 +/- 11.31
ncm-et-13 08:35:52 1953480 3328 2423 35 870 +313.59 +/- 11.52
ncm-et-15 08:32:04 1967465 3352 2456 41 855 +315.68 +/- 11.63
20000 14536 215 5249 +312.52 +/- 4.69

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
135001 ncm-et-10 2020-08-16 07:21 00:48:52 1961709 325 233 4 88 +304.5 +/- 36.52
135000 ncm-et-9 2020-08-16 07:20 00:50:10 1961236 324 236 4 84 +312.51 +/- 37.44
134999 ncm-et-13 2020-08-16 07:19 00:50:52 1959696 328 242 5 81 +317.2 +/- 38.2
134998 ncm-et-3 2020-08-16 07:19 00:51:07 1959854 335 252 4 79 +330.46 +/- 38.69
134997 ncm-et-4 2020-08-16 07:19 00:51:44 1961536 336 242 6 88 +302.96 +/- 36.61
134996 ncm-et-15 2020-08-16 07:17 00:53:30 1971565 352 265 4 83 +331.37 +/- 37.72
134995 ncm-et-10 2020-08-16 06:04 01:16:14 1960637 500 355 6 139 +299.97 +/- 28.94
134994 ncm-et-3 2020-08-16 06:02 01:16:16 1963532 500 361 6 133 +308.24 +/- 29.62
134993 ncm-et-13 2020-08-16 06:02 01:16:50 1928312 500 354 6 140 +298.62 +/- 28.83
134992 ncm-et-9 2020-08-16 06:01 01:17:46 1971421 500 374 0 126 +336.45 +/- 30.22
134991 ncm-et-15 2020-08-16 06:00 01:15:43 1966628 500 361 11 128 +301.33 +/- 30.28
134990 ncm-et-4 2020-08-16 06:00 01:17:43 1964935 500 355 5 140 +301.33 +/- 28.8
134989 ncm-et-10 2020-08-16 04:43 01:19:22 1956025 500 367 6 127 +316.8 +/- 30.35
134988 ncm-et-13 2020-08-16 04:43 01:17:27 1960462 500 375 4 121 +331.77 +/- 31.08
134987 ncm-et-15 2020-08-16 04:42 01:16:30 1968937 500 376 5 119 +331.77 +/- 31.38
134986 ncm-et-3 2020-08-16 04:42 01:18:30 1963993 500 348 3 149 +294.61 +/- 27.77
134985 ncm-et-4 2020-08-16 04:42 01:16:54 1973289 500 375 5 120 +330.23 +/- 31.24
134984 ncm-et-9 2020-08-16 04:42 01:18:21 1943429 500 373 6 121 +325.67 +/- 31.13
134983 ncm-et-9 2020-08-16 03:25 01:15:23 1966630 500 358 6 136 +304.07 +/- 29.28
134982 ncm-et-3 2020-08-16 03:25 01:15:58 1960157 500 345 8 147 +284.22 +/- 28.14
134981 ncm-et-10 2020-08-16 03:24 01:17:53 1957096 500 360 5 135 +308.24 +/- 29.36
134980 ncm-et-13 2020-08-16 03:24 01:17:36 1961997 500 359 2 139 +311.06 +/- 28.78
134979 ncm-et-15 2020-08-16 03:24 01:17:30 1967109 500 369 4 127 +322.67 +/- 30.3
134978 ncm-et-4 2020-08-16 03:23 01:17:44 1970324 500 352 3 145 +299.97 +/- 28.18
134977 ncm-et-4 2020-08-16 02:06 01:15:32 1970346 500 370 6 124 +321.19 +/- 30.74
134976 ncm-et-9 2020-08-16 02:06 01:17:51 1962616 500 386 6 108 +346.12 +/- 33.02
134975 ncm-et-3 2020-08-16 02:06 01:17:49 1965996 500 353 7 140 +295.94 +/- 28.86
134974 ncm-et-13 2020-08-16 02:06 01:17:01 1957862 500 374 3 123 +331.77 +/- 30.77
134973 ncm-et-15 2020-08-16 02:06 01:16:32 1966150 500 364 5 131 +313.91 +/- 29.83
134972 ncm-et-10 2020-08-16 02:06 01:17:11 1961995 500 362 4 134 +312.48 +/- 29.44
134803 ncm-et-10 2020-08-14 14:12 01:17:14 1961090 500 369 5 126 +321.19 +/- 30.45
134802 ncm-et-13 2020-08-14 14:11 01:18:30 1941424 500 369 5 126 +321.19 +/- 30.45
134801 ncm-et-9 2020-08-14 14:10 01:17:21 1968327 500 360 3 137 +311.06 +/- 29.06
134800 ncm-et-15 2020-08-14 14:09 01:15:52 1969870 500 365 7 128 +312.48 +/- 30.25
134799 ncm-et-4 2020-08-14 14:09 01:16:59 1966616 500 364 6 130 +312.48 +/- 29.98
134798 ncm-et-3 2020-08-14 14:09 01:16:31 1962149 500 362 8 130 +306.84 +/- 30.02
134797 ncm-et-3 2020-08-14 12:52 01:15:47 1963997 500 361 2 137 +313.91 +/- 29.01
134796 ncm-et-13 2020-08-14 12:52 01:17:36 1964610 500 350 10 140 +288.06 +/- 28.91
134795 ncm-et-9 2020-08-14 12:52 01:17:12 1963078 500 373 5 122 +327.18 +/- 30.97
134794 ncm-et-10 2020-08-14 12:52 01:19:20 1956636 500 345 3 152 +290.66 +/- 27.47
134793 ncm-et-15 2020-08-14 12:52 01:16:27 1961996 500 356 5 139 +302.7 +/- 28.91
134792 ncm-et-4 2020-08-14 12:52 01:16:08 1968641 500 366 7 127 +313.91 +/- 30.37

Commit

Commit ID dd63b98fb06e050aa961fbad6fd1f9316f2b17df
Author mstembera
Date 2020-08-13 05:39:52 UTC
Add support for VNNI Adds support for Vector Neural Network Instructions (avx512), as available on Intel Cascade Lake The _mm512_dpbusd_epi32() intrinsic (vpdpbusd instruction) is taylor made for NNUE. on a cascade lake CPU (AWS C5.24x.large, gcc 10) NNUE eval is at roughly 78% nps of classical (single core test) bench 1024 1 24 default depth: target classical NNUE ratio vnni 2207232 1725987 78.20 avx512 2216789 1671734 75.41 avx2 2194006 1611263 73.44 modern 2185001 1352469 61.90 closes https://github.com/official-stockfish/Stockfish/pull/2987 No functional change
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