mirror of
https://github.com/opelly27/Stockfish.git
synced 2026-05-20 12:07:43 +00:00
Linmiao Xu
070db8b3a1
Found by updating 489 L2 weights with values found from around 31k / 60k spsa games. Spsa was configured to use 60k games, down from 120k games in: https://github.com/official-stockfish/Stockfish/pull/5459 623 spsa params: L2 weights from `nn-1cedc0ffeeee.nnue` where 24 <= |value| <= 30 A: 3000, alpha: 0.602, gamma: 0.101 weights: [-127, 127], c_end = 6 Passed STC: https://tests.stockfishchess.org/tests/view/6728d61e86d5ee47d953dcaf LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 187168 W: 48642 L: 48107 D: 90419 Ptnml(0-2): 558, 21888, 48213, 22311, 614 Passed LTC: https://tests.stockfishchess.org/tests/view/672b018f86d5ee47d953de98 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 235074 W: 59924 L: 59202 D: 115948 Ptnml(0-2): 131, 25467, 65610, 26207, 122 closes https://github.com/official-stockfish/Stockfish/pull/5673 Bench: 898850
57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
/*
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Stockfish, a UCI chess playing engine derived from Glaurung 2.1
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Copyright (C) 2004-2024 The Stockfish developers (see AUTHORS file)
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Stockfish is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Stockfish is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef EVALUATE_H_INCLUDED
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#define EVALUATE_H_INCLUDED
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#include <string>
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#include "types.h"
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namespace Stockfish {
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class Position;
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namespace Eval {
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// The default net name MUST follow the format nn-[SHA256 first 12 digits].nnue
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// for the build process (profile-build and fishtest) to work. Do not change the
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// name of the macro or the location where this macro is defined, as it is used
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// in the Makefile/Fishtest.
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#define EvalFileDefaultNameBig "nn-1c0000000000.nnue"
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#define EvalFileDefaultNameSmall "nn-37f18f62d772.nnue"
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namespace NNUE {
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struct Networks;
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struct AccumulatorCaches;
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}
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std::string trace(Position& pos, const Eval::NNUE::Networks& networks);
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int simple_eval(const Position& pos, Color c);
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bool use_smallnet(const Position& pos);
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Value evaluate(const NNUE::Networks& networks,
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const Position& pos,
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Eval::NNUE::AccumulatorCaches& caches,
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int optimism);
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} // namespace Eval
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} // namespace Stockfish
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#endif // #ifndef EVALUATE_H_INCLUDED
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