Belladonna Dark Angels
Posts : 585 Reputation : 2460 Join date : 2010-07-11 Location : The covers (Bettina & Terry ) of this book (forum) are too far apart. ~ Ambrose Bierce
| Subject: Latest abrok Development Versions March 31st Sun Mar 31, 2019 1:28 pm | |
| 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: protonspring Date: Sun Mar 31 11:28:48 2019 +0200 Timestamp: 1554024528 Use simple array for Pawns Connected bonus #2061 Simplification which removes the pawns connected array. Instead of storing the values in an array, the values are calculated real-time. This is about 1.6% faster on my machines. Performance: master ave nps: 159,248,672 patch ave nps: 161,905,592 STC LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 20363 W: 4579 L: 4455 D: 11329 Elo +2.12 http://tests.stockfishchess.org/tests/view/5c9925ba0ebc5925cfff79a6 Non functional change. | 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: Moez Jellouli Date: Sun Mar 31 10:51:08 2019 +0200 Timestamp: 1554022268 Shuffle detection #2064 Shuffle detection procedure : Shuffling positions are detected if the last 36 moves are reversible (rule50_count() > 36), the position have been already in the TT, there is a still a pawn on the board (to avoid special endings like KBN vs K). The position is then judged as a draw. An extension is realized if we already made 14 successive reversible moves in PV to accelerate the detection of the eventual draw. To go further : we can still improve the idea. The length of the tests need a lot of ressources. the limit of 36 is logic but must be checked again for special zugzwang positions, this limit can be decreased in special positions, the limit of 14 moves for extension has not been tuned. STC LLR: -2.94 (-2.94,2.94) [0.50,4.50] Total: 32595 W: 7273 L: 7275 D: 18047 Elo -0.02 http://tests.stockfishchess.org/tests/view/5c90aa330ebc5925cfff1768 LTC LLR: 2.95 (-2.94,2.94) [0.00,3.50] Total: 51249 W: 8807 L: 8486 D: 33956 Elo +2.18 http://tests.stockfishchess.org/tests/view/5c90b2450ebc5925cfff1800 VLTC LLR: 2.96 (-2.94,2.94) [0.00,3.50] Total: 137974 W: 20503 L: 19983 D: 97488 Elo +1.31 http://tests.stockfishchess.org/tests/view/5c9243a90ebc5925cfff2a93 Bench: 3548313 |
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