134 lines
3.7 KiB
C++
134 lines
3.7 KiB
C++
/*
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Stockfish, a UCI chess playing engine derived from Glaurung 2.1
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Copyright (C) 2004-2021 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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#include <algorithm>
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#include <iostream>
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#include <sstream>
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#include "types.h"
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#include "misc.h"
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#include "uci.h"
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using std::string;
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namespace Stockfish {
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bool Tune::update_on_last;
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const UCI::Option* LastOption = nullptr;
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static std::map<std::string, int> TuneResults;
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string Tune::next(string& names, bool pop) {
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string name;
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do {
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string token = names.substr(0, names.find(','));
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if (pop)
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names.erase(0, token.size() + 1);
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std::stringstream ws(token);
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name += (ws >> token, token); // Remove trailing whitespace
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} while ( std::count(name.begin(), name.end(), '(')
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- std::count(name.begin(), name.end(), ')'));
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return name;
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}
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static void on_tune(const UCI::Option& o) {
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if (!Tune::update_on_last || LastOption == &o)
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Tune::read_options();
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}
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static void make_option(const string& n, int v, const SetRange& r) {
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// Do not generate option when there is nothing to tune (ie. min = max)
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if (r(v).first == r(v).second)
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return;
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if (TuneResults.count(n))
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v = TuneResults[n];
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Options[n] << UCI::Option(v, r(v).first, r(v).second, on_tune);
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LastOption = &Options[n];
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// Print formatted parameters, ready to be copy-pasted in Fishtest
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std::cout << n << ","
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<< v << ","
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<< r(v).first << "," << r(v).second << ","
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<< (r(v).second - r(v).first) / 20.0 << ","
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<< "0.0020"
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<< std::endl;
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}
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template<> void Tune::Entry<int>::init_option() { make_option(name, value, range); }
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template<> void Tune::Entry<int>::read_option() {
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if (Options.count(name))
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value = int(Options[name]);
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}
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template<> void Tune::Entry<Value>::init_option() { make_option(name, value, range); }
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template<> void Tune::Entry<Value>::read_option() {
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if (Options.count(name))
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value = Value(int(Options[name]));
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}
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template<> void Tune::Entry<Score>::init_option() {
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make_option("m" + name, mg_value(value), range);
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make_option("e" + name, eg_value(value), range);
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}
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template<> void Tune::Entry<Score>::read_option() {
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if (Options.count("m" + name))
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value = make_score(int(Options["m" + name]), eg_value(value));
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if (Options.count("e" + name))
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value = make_score(mg_value(value), int(Options["e" + name]));
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}
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// Instead of a variable here we have a PostUpdate function: just call it
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template<> void Tune::Entry<Tune::PostUpdate>::init_option() {}
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template<> void Tune::Entry<Tune::PostUpdate>::read_option() { value(); }
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} // namespace Stockfish
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// Init options with tuning session results instead of default values. Useful to
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// get correct bench signature after a tuning session or to test tuned values.
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// Just copy fishtest tuning results in a result.txt file and extract the
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// values with:
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//
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// cat results.txt | sed 's/^param: \([^,]*\), best: \([^,]*\).*/ TuneResults["\1"] = int(round(\2));/'
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//
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// Then paste the output below, as the function body
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#include <cmath>
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namespace Stockfish {
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void Tune::read_results() {
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/* ...insert your values here... */
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}
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} // namespace Stockfish
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