Latest abrok Development Versions November 25th & 26th (SF The gift that keeps on giving )

Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64	Author: Vizvezdenec Date: Thu Nov 26 08:20:06 2020 +0100 Timestamp: 1606375206 use classical for certain endgames. STC https://tests.stockfishchess.org/tests/view/5fbc64c067cbf42301d6b1d6 LLR: 2.97 (-2.94,2.94) {-0.25,1.25} Total: 53360 W: 5223 L: 5024 D: 43113 Elo +1.30 Ptnml(0-2): 184, 3877, 18390, 4014, 215 LTC https://tests.stockfishchess.org/tests/view/5fbc97f267cbf42301d6b1ee LLR: 2.96 (-2.94,2.94) {0.25,1.25} Total: 126472 W: 5111 L: 4766 D: 116595 Elo +0.95 Ptnml(0-2): 50, 4032, 54749, 4333, 72 closes https://github.com/official-stockfish/Stockfish/pull/3240 bench: 3820648 see source
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64	Author: MaximMolchanov Date: Wed Nov 25 21:10:13 2020 +0100 Timestamp: 1606335013 Calculate sum from first elements in affine transform for AVX512/AVX2/SSSE3 The idea is to initialize sum with the first element instead of zero. Reduce one add_epi32 and one set_zero SIMD instructions for each output dimension. sum = 0; for i = 1 to n sum += a[i] -> sum = a[1]; for i = 2 to n sum += a[i] STC: LLR: 2.95 (-2.94,2.94) {-0.25,1.25} Total: 69048 W: 7024 L: 6799 D: 55225 Elo +1.13 Ptnml(0-2): 260, 5175, 23458, 5342, 289 https://tests.stockfishchess.org/tests/view/5faf2cf467cbf42301d6aa06 closes https://github.com/official-stockfish/Stockfish/pull/3227 No functional change. see source
Windows x64 for Haswell CPUs Windows x64 for modern computers + AVX2 Windows x64 for modern computers Windows x64 + SSSE3 Windows x64 Windows 32 Linux x64 for Haswell CPUs Linux x64 for modern computers + AVX2 Linux x64 for modern computers Linux x64 + SSSE3 Linux x64	Author: Unai Corzo Date: Wed Nov 25 21:05:08 2020 +0100 Timestamp: 1606334708 Assorted search and eval parameter tune Search and eval parameter tune. STC https://tests.stockfishchess.org/tests/view/5fba850a67cbf42301d6b07d LLR: 2.94 (-2.94,2.94) {-0.25,1.25} Total: 24312 W: 2388 L: 2228 D: 19696 Elo +2.29 Ptnml(0-2): 85, 1800, 8241, 1930, 100 LTC https://tests.stockfishchess.org/tests/view/5fbad5ea67cbf42301d6b0fa LLR: 2.95 (-2.94,2.94) {0.25,1.25} Total: 88376 W: 3619 L: 3351 D: 81406 Elo +1.05 Ptnml(0-2): 56, 2977, 37849, 3255, 51 closes https://github.com/official-stockfish/Stockfish/pull/3232 bench: 3600361 see source

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