Dev Builds » 20221023-1808

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 11:14:22 1953505 3340 2866 7 467 +444.07 ± 15.77
ncm-et-4 11:14:34 1956415 3323 2889 3 431 +461.02 ± 16.41
ncm-et-9 11:13:47 1948554 3318 2861 4 453 +450.77 ± 16.01
ncm-et-10 11:14:19 1950503 3317 2833 5 479 +439.69 ± 15.56
ncm-et-13 11:14:07 1958810 3357 2872 6 479 +441.17 ± 15.57
ncm-et-15 11:14:11 1953864 3345 2869 3 473 +445.13 ± 15.66
20000 17190 28 2782 +446.83 ± 6.45

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
161487 ncm-et-4 2022-10-26 09:32 01:04:10 1962316 323 278 0 45 +450.26 ± 51.82
161486 ncm-et-10 2022-10-26 09:30 01:05:20 1955583 317 262 1 54 +405.5 ± 47.12
161485 ncm-et-9 2022-10-26 09:30 01:05:52 1939240 318 278 0 40 +469.27 ± 55.2
161484 ncm-et-3 2022-10-26 09:27 01:09:19 1949182 340 291 1 48 +440.15 ± 50.2
161483 ncm-et-15 2022-10-26 09:25 01:10:03 1951916 345 297 0 48 +450.51 ± 50.1
161482 ncm-et-13 2022-10-26 09:23 01:12:12 1965232 357 307 1 49 +445.58 ± 49.67
161481 ncm-et-4 2022-10-26 07:49 01:41:56 1962150 500 436 0 64 +466.03 ± 43.18
161480 ncm-et-9 2022-10-26 07:48 01:41:17 1954840 500 425 1 74 +433.94 ± 40.08
161479 ncm-et-10 2022-10-26 07:47 01:42:10 1943229 500 422 0 78 +429.05 ± 38.92
161478 ncm-et-3 2022-10-26 07:45 01:40:43 1950577 500 424 2 74 +429.05 ± 40.11
161477 ncm-et-15 2022-10-26 07:45 01:39:56 1958512 500 424 2 74 +429.05 ± 40.11
161476 ncm-et-13 2022-10-26 07:43 01:39:41 1959391 500 424 1 75 +431.48 ± 39.8
161475 ncm-et-4 2022-10-26 06:07 01:41:21 1954871 500 423 0 77 +431.48 ± 39.18
161474 ncm-et-10 2022-10-26 06:06 01:40:55 1949187 500 422 1 77 +426.65 ± 39.25
161473 ncm-et-9 2022-10-26 06:05 01:42:11 1934966 500 433 0 67 +457.52 ± 42.15
161472 ncm-et-15 2022-10-26 06:04 01:40:03 1949635 500 433 0 67 +457.52 ± 42.15
161471 ncm-et-13 2022-10-26 06:02 01:40:09 1937459 500 414 1 85 +408.38 ± 37.27
161470 ncm-et-3 2022-10-26 06:02 01:42:44 1956819 500 429 0 71 +446.7 ± 40.89
161469 ncm-et-4 2022-10-26 04:24 01:42:33 1952006 500 436 0 64 +466.03 ± 43.18
161468 ncm-et-10 2022-10-26 04:23 01:42:00 1958655 500 431 1 68 +449.35 ± 41.89
161467 ncm-et-9 2022-10-26 04:22 01:41:46 1952554 500 417 1 82 +415.05 ± 37.98
161466 ncm-et-3 2022-10-26 04:22 01:39:03 1965087 500 424 2 74 +429.05 ± 40.11
161465 ncm-et-13 2022-10-26 04:22 01:39:45 1965860 500 423 1 76 +429.05 ± 39.52
161464 ncm-et-15 2022-10-26 04:21 01:42:49 1955721 500 434 0 66 +460.32 ± 42.48
161463 ncm-et-4 2022-10-26 02:44 01:39:24 1961713 500 435 3 62 +454.76 ± 43.98
161462 ncm-et-13 2022-10-26 02:41 01:40:05 1972987 500 428 2 70 +438.95 ± 41.29
161461 ncm-et-9 2022-10-26 02:41 01:40:34 1963249 500 439 0 61 +474.93 ± 44.28
161460 ncm-et-10 2022-10-26 02:41 01:42:03 1935993 500 415 0 85 +412.8 ± 37.2
161459 ncm-et-3 2022-10-26 02:40 01:41:59 1945672 500 425 0 75 +436.43 ± 39.73
161458 ncm-et-15 2022-10-26 02:39 01:41:09 1960200 500 426 0 74 +438.95 ± 40.01
161457 ncm-et-4 2022-10-26 01:01 01:42:30 1954415 500 439 0 61 +474.93 ± 44.28
161456 ncm-et-13 2022-10-26 01:01 01:40:01 1957730 500 433 0 67 +457.52 ± 42.15
161455 ncm-et-15 2022-10-26 01:00 01:38:33 1959397 500 423 0 77 +431.48 ± 39.18
161454 ncm-et-9 2022-10-26 00:59 01:41:35 1935940 500 437 2 61 +463.16 ± 44.37
161453 ncm-et-10 2022-10-26 00:59 01:41:29 1951464 500 432 1 67 +452.04 ± 42.22
161452 ncm-et-3 2022-10-26 00:57 01:41:27 1947105 500 440 1 59 +474.93 ± 45.13
161451 ncm-et-9 2022-10-25 23:18 01:40:32 1959092 500 432 0 68 +454.76 ± 41.82
161450 ncm-et-13 2022-10-25 23:18 01:42:14 1953014 500 443 0 57 +487.45 ± 45.89
161449 ncm-et-3 2022-10-25 23:18 01:39:07 1960095 500 433 1 66 +454.76 ± 42.55
161448 ncm-et-4 2022-10-25 23:18 01:42:40 1947439 500 442 0 58 +484.24 ± 45.47
161447 ncm-et-15 2022-10-25 23:18 01:41:38 1941671 500 432 1 67 +452.04 ± 42.22
161446 ncm-et-10 2022-10-25 23:18 01:40:22 1959411 500 449 1 50 +504.32 ± 49.24

Commit

Commit ID 804394b939614ca6ac99e31be236c019db365bb7
Author disservin
Date 2022-10-23 18:08:18 UTC
enable bit manipulation instruction set 1 bmi1 enables the use of _blsr_u64 for pop_lsb, and is availabe when avx2 is. verified a small speedup (0.2 - 0.6%) closes https://github.com/official-stockfish/Stockfish/pull/4202 No functional change
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