Dev Builds » 20120410-1722

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 08:02:14 1975970 3345 65 2317 963 -283.73 +/- 10.96
ncm-et-4 08:04:39 1965501 3323 75 2199 1049 -262.94 +/- 10.5
ncm-et-9 08:03:06 1974954 3354 64 2300 990 -279.59 +/- 10.81
ncm-et-10 08:06:55 1963682 3331 67 2245 1019 -271.7 +/- 10.65
ncm-et-13 08:08:26 1951862 3347 72 2268 1007 -273.07 +/- 10.72
ncm-et-15 08:41:45 1804312 3300 58 2235 1007 -275.27 +/- 10.7
20000 401 13564 6035 -274.32 +/- 4.37

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
120774 ncm-et-10 2020-03-28 18:23 00:21:25 1957704 152 1 104 47 -286.54 +/- 49.96
120773 ncm-et-4 2020-03-28 18:23 00:21:37 1968325 152 4 108 40 -290.8 +/- 54.91
120772 ncm-et-3 2020-03-28 18:20 00:24:54 1959236 172 4 115 53 -266.58 +/- 47.35
120771 ncm-et-15 2020-03-28 18:20 00:24:59 1968783 170 4 115 51 -271.14 +/- 48.33
120770 ncm-et-9 2020-03-28 18:19 00:25:52 1969865 177 1 125 51 -301.72 +/- 48.01
120769 ncm-et-13 2020-03-28 18:18 00:26:33 1964611 177 4 120 53 -272.62 +/- 47.37
120768 ncm-et-10 2020-03-28 17:08 01:13:48 1956024 500 9 325 166 -258.75 +/- 26.39
120767 ncm-et-4 2020-03-28 17:07 01:14:22 1897511 500 11 338 151 -271.78 +/- 27.8
120766 ncm-et-9 2020-03-28 17:06 01:12:04 1961540 500 12 332 156 -263.42 +/- 27.34
120765 ncm-et-3 2020-03-28 17:06 01:13:06 1964301 500 9 353 138 -293.29 +/- 29.11
120764 ncm-et-15 2020-03-28 17:05 01:13:17 1971892 500 13 329 158 -258.75 +/- 27.17
120763 ncm-et-13 2020-03-28 17:05 01:12:02 1964609 500 13 326 161 -255.3 +/- 26.9
120762 ncm-et-10 2020-03-28 15:55 01:12:28 1961244 500 8 338 154 -275.45 +/- 27.45
120761 ncm-et-4 2020-03-28 15:53 01:13:16 1938243 500 10 328 162 -261.07 +/- 26.76
120760 ncm-et-15 2020-03-28 15:53 01:11:39 1972032 500 6 355 139 -299.97 +/- 28.94
120759 ncm-et-13 2020-03-28 15:52 01:11:48 1961842 500 11 332 157 -264.6 +/- 27.23
120758 ncm-et-9 2020-03-28 15:51 01:13:43 1938069 500 12 359 129 -297.28 +/- 30.16
120757 ncm-et-3 2020-03-28 15:51 01:13:41 1963840 500 7 344 149 -284.22 +/- 27.92
120756 ncm-et-9 2020-03-28 14:39 01:11:08 1969086 500 9 344 147 -281.68 +/- 28.16
120755 ncm-et-15 2020-03-28 14:38 01:13:16 1969705 500 7 316 177 -250.77 +/- 25.42
120754 ncm-et-10 2020-03-28 14:38 01:15:19 1956177 500 13 335 152 -265.78 +/- 27.73
120753 ncm-et-4 2020-03-28 14:38 01:13:29 1961538 500 10 313 177 -244.1 +/- 25.51
120752 ncm-et-3 2020-03-28 14:38 01:11:31 1962151 500 8 348 144 -288.06 +/- 28.45
120751 ncm-et-13 2020-03-28 14:38 01:12:47 1961539 500 9 335 156 -270.57 +/- 27.29
48163 ncm-et-15 2018-08-01 18:07 00:24:01 1566694 130 2 90 38 -286.08 +/- 56.2
48162 ncm-et-10 2018-08-01 18:07 00:24:30 1982949 179 3 125 51 -289.08 +/- 48.31
48161 ncm-et-3 2018-08-01 18:07 00:24:26 1989876 173 1 123 49 -304.9 +/- 49.05
48160 ncm-et-4 2018-08-01 18:07 00:24:25 1990033 171 5 113 53 -258.51 +/- 47.38
48159 ncm-et-13 2018-08-01 18:07 00:24:37 1920732 170 3 112 55 -264.11 +/- 46.29
48158 ncm-et-9 2018-08-01 18:07 00:24:42 1991455 177 2 122 53 -286.75 +/- 47.17
48134 ncm-et-15 2018-08-01 12:47 01:18:51 1820643 500 9 342 149 -279.17 +/- 27.96
48133 ncm-et-10 2018-08-01 12:18 01:12:16 1981069 500 8 338 154 -275.45 +/- 27.45
48132 ncm-et-13 2018-08-01 12:17 01:14:10 1932384 500 6 345 149 -286.77 +/- 27.89
48131 ncm-et-4 2018-08-01 12:16 01:12:12 1988296 500 14 333 153 -262.24 +/- 27.64
48130 ncm-et-9 2018-08-01 12:14 01:11:46 1989875 500 8 333 159 -269.37 +/- 26.99
48129 ncm-et-3 2018-08-01 12:13 01:11:51 1990032 500 11 339 150 -273.0 +/- 27.9
48128 ncm-et-15 2018-08-01 11:18 01:27:29 1577078 500 10 333 157 -266.97 +/- 27.22
48127 ncm-et-13 2018-08-01 11:04 01:11:21 1989242 500 11 335 154 -268.17 +/- 27.51
48126 ncm-et-10 2018-08-01 11:03 01:13:19 1958237 500 16 342 142 -270.57 +/- 28.72
48125 ncm-et-4 2018-08-01 11:02 01:12:55 1989558 500 9 338 153 -274.22 +/- 27.57
48124 ncm-et-3 2018-08-01 11:00 01:12:13 1988927 500 13 329 158 -258.75 +/- 27.17
48123 ncm-et-9 2018-08-01 10:59 01:13:52 1989401 500 15 357 128 -290.66 +/- 30.26
48122 ncm-et-15 2018-08-01 09:49 01:28:13 1587672 500 7 355 138 -298.62 +/- 29.08
48121 ncm-et-10 2018-08-01 09:48 01:13:50 1956055 500 9 338 153 -274.22 +/- 27.57
48120 ncm-et-9 2018-08-01 09:48 01:09:59 1990348 500 5 328 167 -266.97 +/- 26.17
48119 ncm-et-4 2018-08-01 09:48 01:12:23 1990507 500 12 328 160 -258.75 +/- 26.98
48118 ncm-et-13 2018-08-01 09:48 01:15:08 1919937 500 15 363 122 -298.62 +/- 30.98
48117 ncm-et-3 2018-08-01 09:48 01:10:32 1989401 500 12 366 122 -306.84 +/- 31.02

Commit

Commit ID 44432f67d724573d0f6e3cfea6165c9b1d125d72
Author Marco Costalba
Date 2012-04-10 17:22:58 UTC
Active Reparenting In Young Brothers Wait Concept (YBWC) available slaves are booked by the split point master, then start to search below the assigned split point and, once finished, return in idle state waiting to be booked by another master. This patch introduces "Active Reparenting" so that when a slave finishes its job on the assigned split point, instead of passively waiting to be booked, searches a suitable active split point and reprents itselfs to that split point. Then immediately starts to search below the split point in exactly the same way of the others split point's slaves. This reduces to zero the time waiting in idle loop and should increase scalability especially whit many (8 or more) cores. No functional change. Signed-off-by: Marco Costalba <mcostalba@gmail.com>
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