Dev Builds » 20200824-0930

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 08:36:48 1958174 3338 2482 44 812 +322.95 +/- 11.95
ncm-et-4 08:38:37 1963783 3352 2503 40 809 +326.26 +/- 11.97
ncm-et-9 08:34:16 1968230 3311 2498 36 777 +333.0 +/- 12.21
ncm-et-10 08:39:20 1960781 3327 2441 36 850 +317.43 +/- 11.66
ncm-et-13 08:36:00 1961539 3331 2478 39 814 +324.32 +/- 11.93
ncm-et-15 08:38:00 1966917 3341 2424 49 868 +308.85 +/- 11.55
20000 14826 244 4930 +322.0 +/- 4.84

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
136369 ncm-et-9 2020-08-28 05:58 00:49:06 1970953 311 237 2 72 +342.55 +/- 40.49
136368 ncm-et-13 2020-08-28 05:57 00:51:11 1956486 331 232 3 96 +295.84 +/- 34.81
136367 ncm-et-10 2020-08-28 05:57 00:51:02 1962461 327 213 3 111 +264.72 +/- 32.13
136366 ncm-et-15 2020-08-28 05:56 00:52:20 1972498 341 245 3 93 +308.01 +/- 35.44
136365 ncm-et-4 2020-08-28 05:54 00:53:58 1962771 352 270 4 78 +342.6 +/- 38.97
136364 ncm-et-3 2020-08-28 05:54 00:53:54 1925202 338 245 8 85 +302.14 +/- 37.28
136363 ncm-et-9 2020-08-28 04:41 01:16:29 1976383 500 385 7 108 +342.85 +/- 33.03
136362 ncm-et-10 2020-08-28 04:39 01:16:40 1964918 500 371 8 121 +319.72 +/- 31.16
136361 ncm-et-13 2020-08-28 04:37 01:18:19 1961075 500 371 8 121 +319.72 +/- 31.16
136360 ncm-et-15 2020-08-28 04:37 01:17:12 1966174 500 362 9 129 +305.45 +/- 30.15
136359 ncm-et-3 2020-08-28 04:37 01:16:27 1962621 500 392 4 104 +359.68 +/- 33.64
136358 ncm-et-4 2020-08-28 04:36 01:17:24 1961997 500 375 5 120 +330.23 +/- 31.24
136357 ncm-et-9 2020-08-28 03:22 01:18:12 1960466 500 370 5 125 +322.67 +/- 30.58
136356 ncm-et-15 2020-08-28 03:19 01:17:17 1970809 500 349 10 141 +286.77 +/- 28.8
136355 ncm-et-10 2020-08-28 03:19 01:18:59 1963385 500 360 7 133 +305.45 +/- 29.65
136354 ncm-et-13 2020-08-28 03:19 01:17:52 1963228 500 363 4 133 +313.91 +/- 29.56
136353 ncm-et-4 2020-08-28 03:18 01:16:41 1971890 500 362 3 135 +313.91 +/- 29.29
136352 ncm-et-3 2020-08-28 03:18 01:17:47 1961381 500 355 8 137 +297.28 +/- 29.21
136351 ncm-et-9 2020-08-28 02:01 01:19:15 1957256 500 388 4 108 +352.8 +/- 32.99
136350 ncm-et-15 2020-08-28 02:01 01:16:43 1963535 500 354 10 136 +293.29 +/- 29.35
136349 ncm-et-10 2020-08-28 02:01 01:16:57 1959850 500 367 3 130 +321.19 +/- 29.88
136348 ncm-et-3 2020-08-28 02:00 01:16:47 1967850 500 369 2 129 +325.67 +/- 29.96
136347 ncm-et-13 2020-08-28 02:00 01:17:52 1963685 500 371 10 119 +316.8 +/- 31.43
136346 ncm-et-4 2020-08-28 01:59 01:17:44 1973275 500 375 8 117 +325.67 +/- 31.7
136345 ncm-et-9 2020-08-28 00:42 01:18:08 1975765 500 382 4 114 +342.85 +/- 32.07
136344 ncm-et-10 2020-08-28 00:42 01:17:52 1961866 500 374 3 123 +331.77 +/- 30.77
136343 ncm-et-3 2020-08-28 00:42 01:17:01 1961079 500 364 9 127 +308.24 +/- 30.4
136342 ncm-et-4 2020-08-28 00:42 01:16:19 1966774 500 372 7 121 +322.67 +/- 31.15
136341 ncm-et-13 2020-08-28 00:42 01:16:48 1959541 500 379 2 119 +341.24 +/- 31.27
136340 ncm-et-15 2020-08-28 00:42 01:18:23 1969402 500 374 6 120 +327.18 +/- 31.27
136171 ncm-et-4 2020-08-26 12:27 01:17:38 1961696 500 380 4 116 +339.63 +/- 31.78
136170 ncm-et-15 2020-08-26 12:27 01:17:51 1961691 500 370 4 126 +324.17 +/- 30.42
136169 ncm-et-10 2020-08-26 12:26 01:19:52 1954194 500 386 9 105 +341.24 +/- 33.49
136168 ncm-et-9 2020-08-26 12:26 01:15:48 1969250 500 372 10 118 +318.25 +/- 31.56
136167 ncm-et-3 2020-08-26 12:25 01:17:48 1966478 500 372 10 118 +318.25 +/- 31.56
136166 ncm-et-13 2020-08-26 12:25 01:17:18 1961995 500 387 4 109 +351.11 +/- 32.83
136165 ncm-et-4 2020-08-26 11:07 01:18:53 1948080 500 369 9 122 +315.35 +/- 31.03
136164 ncm-et-15 2020-08-26 11:07 01:18:14 1964315 500 370 7 123 +319.72 +/- 30.88
136163 ncm-et-10 2020-08-26 11:07 01:17:58 1958796 500 370 3 127 +325.67 +/- 30.26
136162 ncm-et-9 2020-08-26 11:07 01:17:18 1967539 500 364 4 132 +315.35 +/- 29.68
136161 ncm-et-3 2020-08-26 11:07 01:17:04 1962610 500 385 3 112 +349.43 +/- 32.33
136160 ncm-et-13 2020-08-26 11:07 01:16:40 1964763 500 375 8 117 +325.67 +/- 31.7

Commit

Commit ID e453f09f06f41680ef96f594f593f8de33e62b8f
Author George Sobala
Date 2020-08-24 09:30:55 UTC
armv8 AArch64 does not require -mfpu=neon -mpfu is not required on AArch64 / armv8 architecture on Linux and throws an error if present. This PR has been tested on gcc and clang on Gentoo-64 and Raspian-64 on a Raspberry Pi 4, as well as with a cross from Ubuntu (`make clean && make -j build ARCH=armv8 COMP=gcc COMPILER=aarch64-linux-gnu-g++`) fixes https://github.com/official-stockfish/Stockfish/issues/3056 closes https://github.com/official-stockfish/Stockfish/pull/3059 No functional change
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