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| Subject: Latest abrok Development Versions June 13th (SF The gift that keeps on giving ) Sat Jun 13, 2020 3:03 pm | |
| !! latest version !!
Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: xoto10 Date: Sat Jun 13 13:33:18 2020 +0200 Timestamp: 1592047998 Tuned values for search constants Tuned search constants after many search patches since the last successful tune. 1st LTC @ 60+0.6 th 1 : LLR: 2.97 (-2.94,2.94) {0.25,1.75} Total: 57656 W: 7369 L: 7036 D: 43251 Elo +2.01 Ptnml(0-2): 393, 5214, 17336, 5437, 448 https://tests.stockfishchess.org/tests/view/5ee1e074f29b40b0fc95af19 SMP LTC @ 20+0.2 th 8 : LLR: 2.95 (-2.94,2.94) {0.25,1.75} Total: 83576 W: 9731 L: 9341 D: 64504 Elo +1.62 Ptnml(0-2): 464, 7062, 26369, 7406, 487 https://tests.stockfishchess.org/tests/view/5ee35a21f29b40b0fc95b008 The changes were rebased on top of a successful patch by Viz (see #2734) and two different ways of doing this were tested. The successful test modified the constants in the patch by Viz in a similar manner to the tuning run: LTC (rebased) @ 60+0.6 th 1 : LLR: 2.94 (-2.94,2.94) {0.25,1.75} Total: 193384 W: 24241 L: 23521 D: 145622 Elo +1.29 Ptnml(0-2): 1309, 17497, 58472, 17993, 1421 https://tests.stockfishchess.org/tests/view/5ee43319ca6c451633a995f9 Further work: the recent patch to quantize eval #2733 affects search quit quite a bit, so doing another tune in, say, three months time might be a good idea. closes https://github.com/official-stockfish/Stockfish/pull/2735 Bench 4246971 | Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: Joost VandeVondele Date: Sat Jun 13 07:10:34 2020 +0200 Timestamp: 1592025034 Quantize eval to multiples of 16 Removes some excess precision, helps searchs. Effectively reintroduces evaluation grain, with a slightly different context. https://github.com/official-stockfish/Stockfish/commit/45dbd9cd0303d0db469670af8ec3598731a4eace passed STC LLR: 2.97 (-2.94,2.94) {-0.50,1.50} Total: 197032 W: 37938 L: 37462 D: 121632 Elo +0.84 Ptnml(0-2): 3359, 22994, 45446, 23246, 3471 https://tests.stockfishchess.org/tests/view/5ee0c228f29b40b0fc95ae53 passed LTC LLR: 2.94 (-2.94,2.94) {0.25,1.75} Total: 77696 W: 9970 L: 9581 D: 58145 Elo +1.74 Ptnml(0-2): 530, 7075, 23311, 7340, 592 https://tests.stockfishchess.org/tests/view/5ee21426f29b40b0fc95af43 passed LTC SMP LLR: 2.96 (-2.94,2.94) {0.25,1.75} Total: 64136 W: 7425 L: 7091 D: 49620 Elo +1.81 Ptnml(0-2): 345, 5416, 20228, 5718, 361 https://tests.stockfishchess.org/tests/view/5ee387bbf29b40b0fc95b04c closes https://github.com/official-stockfish/Stockfish/pull/2733 Bench: 4939103 | Windows x64 for Haswell CPUs Windows x64 for modern computers Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers Linux x64 | Author: Vizvezdenec Date: Sat Jun 13 06:48:58 2020 +0200 Timestamp: 1592023738 Adjust history threshold for quiet moves futility pruning This patch adjusts the threshold for futility pruning of quiet moves using the continuation history array contHist[5], in the same way as it is used in movepicker. passed STC: https://tests.stockfishchess.org/tests/view/5ee3f88bca6c451633a9959f LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 55984 W: 10822 L: 10552 D: 34610 Elo +1.68 Ptnml(0-2): 952, 6435, 12941, 6719, 945 passed LTC: https://tests.stockfishchess.org/tests/view/5ee4186dca6c451633a995cf LLR: 2.96 (-2.94,2.94) {0.25,1.75} Total: 41712 W: 5402 L: 5114 D: 31196 Elo +2.40 Ptnml(0-2): 293, 3766, 12469, 4016, 312 closes https://github.com/official-stockfish/Stockfish/pull/2734 Bench: 4715960 |
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