Dev Builds » 20201212-0820

You are viewing an old NCM Stockfish dev build test. You may find the most recent dev build tests using Stockfish 15 as the baseline here.

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 08:23:50 1971113 3338 2641 21 676 +367.59 ± 13.09
ncm-et-4 08:23:51 1957382 3320 2602 19 699 +361.44 ± 12.87
ncm-et-9 08:23:47 1968329 3333 2639 21 673 +368.11 ± 13.12
ncm-et-10 08:23:35 1964782 3345 2631 17 697 +364.5 ± 12.88
ncm-et-13 08:23:15 1961231 3318 2617 17 684 +366.42 ± 13.01
ncm-et-15 08:23:59 1969606 3346 2658 16 672 +371.88 ± 13.12
20000 15788 111 4101 +366.64 ± 5.31

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
141438 ncm-et-13 2020-12-13 05:09 00:48:47 1965072 318 245 1 72 +352.2 ± 40.42
141437 ncm-et-4 2020-12-13 05:09 00:49:25 1931743 320 236 6 78 +314.45 ± 38.96
141436 ncm-et-9 2020-12-13 05:07 00:51:00 1965074 333 268 2 63 +380.54 ± 43.5
141435 ncm-et-3 2020-12-13 05:07 00:51:20 1966614 338 267 2 69 +366.8 ± 41.47
141434 ncm-et-10 2020-12-13 05:06 00:51:27 1959573 345 275 3 67 +370.78 ± 42.17
141433 ncm-et-15 2020-12-13 05:06 00:52:32 1966927 346 277 4 65 +371.35 ± 42.84
141432 ncm-et-13 2020-12-13 03:52 01:15:24 1959695 500 408 4 88 +389.56 ± 36.69
141431 ncm-et-9 2020-12-13 03:52 01:14:20 1966767 500 397 4 99 +368.59 ± 34.52
141430 ncm-et-4 2020-12-13 03:51 01:16:36 1949293 500 408 1 91 +395.65 ± 35.96
141429 ncm-et-10 2020-12-13 03:50 01:15:09 1967694 500 394 1 105 +368.59 ± 33.35
141428 ncm-et-3 2020-12-13 03:50 01:15:55 1971727 500 396 1 103 +372.25 ± 33.69
141427 ncm-et-15 2020-12-13 03:49 01:14:58 1970017 500 407 0 93 +395.65 ± 35.48
141426 ncm-et-13 2020-12-13 02:36 01:14:58 1962149 500 388 3 109 +354.5 ± 32.8
141425 ncm-et-4 2020-12-13 02:36 01:14:22 1966613 500 393 2 105 +364.98 ± 33.41
141424 ncm-et-9 2020-12-13 02:34 01:16:00 1967731 500 399 4 97 +372.25 ± 34.89
141423 ncm-et-3 2020-12-13 02:33 01:15:26 1974056 500 399 3 98 +374.11 ± 34.68
141422 ncm-et-10 2020-12-13 02:33 01:15:53 1970789 500 379 5 116 +336.46 ± 31.8
141421 ncm-et-15 2020-12-13 02:32 01:16:05 1963381 500 398 2 100 +374.11 ± 34.27
141420 ncm-et-4 2020-12-13 01:20 01:14:50 1974366 500 398 2 100 +374.11 ± 34.27
141419 ncm-et-13 2020-12-13 01:19 01:15:52 1960921 500 396 1 103 +372.25 ± 33.69
141418 ncm-et-9 2020-12-13 01:19 01:14:42 1975604 500 405 5 90 +381.7 ± 36.27
141417 ncm-et-10 2020-12-13 01:18 01:14:09 1967539 500 396 2 102 +370.41 ± 33.92
141416 ncm-et-3 2020-12-13 01:17 01:15:36 1968474 500 388 8 104 +346.12 ± 33.67
141415 ncm-et-15 2020-12-13 01:17 01:14:43 1967241 500 399 2 99 +375.98 ± 34.46
141414 ncm-et-4 2020-12-13 00:03 01:15:55 1958810 500 399 2 99 +375.98 ± 34.46
141413 ncm-et-9 2020-12-13 00:02 01:15:50 1970797 500 398 3 99 +372.25 ± 34.49
141412 ncm-et-13 2020-12-13 00:01 01:16:50 1957400 500 386 3 111 +351.11 ± 32.49
141411 ncm-et-10 2020-12-13 00:01 01:16:10 1966319 500 408 0 92 +397.72 ± 35.69
141410 ncm-et-3 2020-12-13 00:00 01:15:12 1975298 500 410 2 88 +397.72 ± 36.65
141409 ncm-et-15 2020-12-13 00:00 01:15:39 1977162 500 395 3 102 +366.78 ± 33.96
141408 ncm-et-4 2020-12-12 22:46 01:15:37 1968177 500 400 3 97 +375.98 ± 34.86
141407 ncm-et-10 2020-12-12 22:45 01:14:20 1961084 500 394 1 105 +368.59 ± 33.35
141406 ncm-et-13 2020-12-12 22:45 01:15:10 1962150 500 396 3 101 +368.59 ± 34.13
141405 ncm-et-3 2020-12-12 22:44 01:15:05 1972519 500 399 1 100 +377.87 ± 34.22
141404 ncm-et-9 2020-12-12 22:44 01:16:54 1967094 500 381 3 116 +342.85 ± 31.74
141403 ncm-et-15 2020-12-12 22:44 01:15:15 1970952 500 396 3 101 +368.59 ± 34.13
141402 ncm-et-13 2020-12-12 21:28 01:16:14 1961232 500 398 2 100 +374.11 ± 34.27
141401 ncm-et-10 2020-12-12 21:28 01:16:27 1960479 500 385 5 110 +346.12 ± 32.7
141400 ncm-et-3 2020-12-12 21:28 01:15:16 1969103 500 382 4 114 +342.85 ± 32.07
141399 ncm-et-4 2020-12-12 21:28 01:17:06 1952675 500 368 3 129 +322.67 ± 30.01
141398 ncm-et-9 2020-12-12 21:28 01:15:01 1965240 500 391 0 109 +364.98 ± 32.64
141397 ncm-et-15 2020-12-12 21:28 01:14:47 1971566 500 386 2 112 +352.8 ± 32.29

Commit

Commit ID c7f0a768cb9d5972861baae0f215d69f9e86a626
Author Fanael Linithien
Date 2020-12-12 08:20:15 UTC
Use arithmetic right shift for sign extension in MMX and SSE2 paths This appears to be slightly faster than using a comparison against zero to compute the high bits, on both old (like Pentium III) and new (like Zen 2) hardware. closes https://github.com/official-stockfish/Stockfish/pull/3254 No functional change.
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