X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fucioption.cpp;h=eae549ad63f413b077ea9d6828cf6887ea86be54;hp=9e992be55c26e7fd50462fb4ac5748393d37862e;hb=be2925b3c5ef79685f9290414a96efab18bf3a8a;hpb=f0701e2b0f4283ba558e7d8cab8e41cf11a19cdd diff --git a/src/ucioption.cpp b/src/ucioption.cpp index 9e992be5..eae549ad 100644 --- a/src/ucioption.cpp +++ b/src/ucioption.cpp @@ -1,7 +1,7 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008 Marco Costalba + Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad Stockfish is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,332 +17,154 @@ along with this program. If not, see . */ - -//// -//// Includes -//// - -#include -#include -#include +#include +#include #include -#include #include "misc.h" #include "thread.h" #include "ucioption.h" +using std::string; +using std::cout; +using std::endl; -//// -//// Variables -//// - -bool Chess960 = false; - - -//// -//// Local definitions -//// - -namespace { - - /// - /// Types - /// - - enum OptionType { SPIN, COMBO, CHECK, STRING, BUTTON }; - - typedef std::vector ComboValues; - - struct Option { - - std::string defaultValue, currentValue; - OptionType type; - int minValue, maxValue; - ComboValues comboValues; - - Option(); - Option(const std::string& defaultValue, OptionType = STRING); - Option(bool defaultValue, OptionType = CHECK); - Option(int defaultValue, int minValue, int maxValue); - }; - - typedef std::map Options; - - /// - /// Constants - /// - - // load_defaults populates the options map with the hard - // coded names and default values. - - void load_defaults(Options& o) { - - o["Use Search Log"] = Option(false); - o["Search Log Filename"] = Option("SearchLog.txt"); - o["Book File"] = Option("book.bin"); - o["Mobility (Middle Game)"] = Option(100, 0, 200); - o["Mobility (Endgame)"] = Option(100, 0, 200); - o["Pawn Structure (Middle Game)"] = Option(100, 0, 200); - o["Pawn Structure (Endgame)"] = Option(100, 0, 200); - o["Passed Pawns (Middle Game)"] = Option(100, 0, 200); - o["Passed Pawns (Endgame)"] = Option(100, 0, 200); - o["Space"] = Option(100, 0, 200); - o["Aggressiveness"] = Option(100, 0, 200); - o["Cowardice"] = Option(100, 0, 200); - o["King Safety Curve"] = Option("Quadratic", COMBO); - - o["King Safety Curve"].comboValues.push_back("Quadratic"); - o["King Safety Curve"].comboValues.push_back("Linear"); /*, "From File"*/ - - o["King Safety Coefficient"] = Option(40, 1, 100); - o["King Safety X Intercept"] = Option(0, 0, 20); - o["King Safety Max Slope"] = Option(30, 10, 100); - o["King Safety Max Value"] = Option(500, 100, 1000); - o["Queen Contact Check Bonus"] = Option(3, 0, 8); - o["Queen Check Bonus"] = Option(2, 0, 4); - o["Rook Check Bonus"] = Option(1, 0, 4); - o["Bishop Check Bonus"] = Option(1, 0, 4); - o["Knight Check Bonus"] = Option(1, 0, 4); - o["Discovered Check Bonus"] = Option(3, 0, 8); - o["Mate Threat Bonus"] = Option(3, 0, 8); - o["Check Extension (PV nodes)"] = Option(2, 0, 2); - o["Check Extension (non-PV nodes)"] = Option(1, 0, 2); - o["Single Reply Extension (PV nodes)"] = Option(2, 0, 2); - o["Single Reply Extension (non-PV nodes)"] = Option(2, 0, 2); - o["Mate Threat Extension (PV nodes)"] = Option(0, 0, 2); - o["Mate Threat Extension (non-PV nodes)"] = Option(0, 0, 2); - o["Pawn Push to 7th Extension (PV nodes)"] = Option(1, 0, 2); - o["Pawn Push to 7th Extension (non-PV nodes)"] = Option(1, 0, 2); - o["Passed Pawn Extension (PV nodes)"] = Option(1, 0, 2); - o["Passed Pawn Extension (non-PV nodes)"] = Option(0, 0, 2); - o["Pawn Endgame Extension (PV nodes)"] = Option(2, 0, 2); - o["Pawn Endgame Extension (non-PV nodes)"] = Option(2, 0, 2); - o["Full Depth Moves (PV nodes)"] = Option(14, 1, 100); - o["Full Depth Moves (non-PV nodes)"] = Option(3, 1, 100); - o["Threat Depth"] = Option(5, 0, 100); - o["Selective Plies"] = Option(7, 0, 10); - o["Futility Pruning (Main Search)"] = Option(true); - o["Futility Pruning (Quiescence Search)"] = Option(true); - o["Futility Margin (Quiescence Search)"] = Option(50, 0, 1000); - o["Futility Margin Scale Factor (Main Search)"] = Option(100, 0, 1000); - o["Maximum Razoring Depth"] = Option(3, 0, 4); - o["Razoring Margin"] = Option(300, 150, 600); - o["LSN filtering"] = Option(true); - o["LSN Time Margin (sec)"] = Option(4, 1, 10); - o["LSN Value Margin"] = Option(200, 100, 600); - o["Randomness"] = Option(0, 0, 10); - o["Minimum Split Depth"] = Option(4, 4, 7); - o["Maximum Number of Threads per Split Point"] = Option(5, 4, 8); - o["Threads"] = Option(1, 1, 8); - o["Hash"] = Option(32, 4, 4096); - o["Clear Hash"] = Option(false, BUTTON); - o["Ponder"] = Option(true); - o["OwnBook"] = Option(true); - o["MultiPV"] = Option(1, 1, 500); - o["UCI_ShowCurrLine"] = Option(false); - o["UCI_Chess960"] = Option(false); - } - - /// - /// Variables - /// - - Options options; - - // stringify converts a value of type T to a std::string - template - std::string stringify(const T& v) { - - std::ostringstream ss; - ss << v; - return ss.str(); - } - - // We want conversion from a bool value to be "true" or "false", - // not "1" or "0", so add a specialization for bool type. - template<> - std::string stringify(const bool& v) { - - return v ? "true" : "false"; - } - - // get_option_value implements the various get_option_value_ - // functions defined later, because only the option value - // type changes a template seems a proper solution. - - template - T get_option_value(const std::string& optionName) { - - T ret = T(); - if (options.find(optionName) == options.end()) - return ret; - - std::istringstream ss(options[optionName].currentValue); - ss >> ret; - return ret; - } - - // Unfortunatly we need a specialization to convert "false" and "true" - // to proper bool values. The culprit is that we use a non standard way - // to store a bool value in a string, in particular we use "false" and - // "true" instead of "0" and "1" due to how UCI protocol works. - - template<> - bool get_option_value(const std::string& optionName) { - - if (options.find(optionName) == options.end()) - return false; - - return options[optionName].currentValue == "true"; - } -} - -//// -//// Functions -//// - -/// init_uci_options() initializes the UCI options. Currently, the only -/// thing this function does is to initialize the default value of the -/// "Threads" parameter to the number of available CPU cores. - -void init_uci_options() { +OptionsMap Options; // Global object - load_defaults(options); - // Limit the default value of "Threads" to 7 even if we have 8 CPU cores. - // According to Ken Dail's tests, Glaurung plays much better with 7 than - // with 8 threads. This is weird, but it is probably difficult to find out - // why before I have a 8-core computer to experiment with myself. - assert(options.find("Threads") != options.end()); - assert(options.find("Minimum Split Depth") != options.end()); +// Our case insensitive less() function as required by UCI protocol +bool CaseInsensitiveLess::operator() (const string& s1, const string& s2) const { - options["Threads"].defaultValue = stringify(Min(cpu_count(), 7)); - options["Threads"].currentValue = stringify(Min(cpu_count(), 7)); + int c1, c2; + size_t i = 0; - // Increase the minimum split depth when the number of CPUs is big. - // It would probably be better to let this depend on the number of threads - // instead. - if (cpu_count() > 4) + while (i < s1.size() && i < s2.size()) { - options["Minimum Split Depth"].defaultValue = "6"; - options["Minimum Split Depth"].currentValue = "6"; - } -} - + c1 = tolower(s1[i]); + c2 = tolower(s2[i++]); -/// print_uci_options() prints all the UCI options to the standard output, -/// in the format defined by the UCI protocol. - -void print_uci_options() { - - static const char optionTypeName[][16] = { - "spin", "combo", "check", "string", "button" - }; - - for (Options::const_iterator it = options.begin(); it != options.end(); ++it) - { - const Option& o = it->second; - std::cout << "option name " << it->first - << " type " << optionTypeName[o.type]; - - if (o.type != BUTTON) - { - std::cout << " default " << o.defaultValue; - - if (o.type == SPIN) - std::cout << " min " << o.minValue - << " max " << o.maxValue; - - else if (o.type == COMBO) - for (ComboValues::const_iterator itc = o.comboValues.begin(); - itc != o.comboValues.end(); ++itc) - std::cout << " var " << *itc; - } - std::cout << std::endl; + if (c1 != c2) + return c1 < c2; } + return s1.size() < s2.size(); } -/// get_option_value_bool() returns the current value of a UCI parameter of -/// type "check". - -bool get_option_value_bool(const std::string& optionName) { - - return get_option_value(optionName); -} - - -/// get_option_value_int() returns the value of a UCI parameter as an integer. -/// Normally, this function will be used for a parameter of type "spin", but -/// it could also be used with a "combo" parameter, where all the available -/// values are integers. - -int get_option_value_int(const std::string& optionName) { +// stringify() converts a numeric value of type T to a std::string +template +static string stringify(const T& v) { - return get_option_value(optionName); + std::ostringstream ss; + ss << v; + return ss.str(); } -/// get_option_value_string() returns the current value of a UCI parameter as -/// a string. It is used with parameters of type "combo" and "string". - -const std::string get_option_value_string(const std::string& optionName) { - - return get_option_value(optionName); +/// OptionsMap c'tor initializes the UCI options to their hard coded default +/// values and initializes the default value of "Threads" and "Minimum Split Depth" +/// parameters according to the number of CPU cores. + +OptionsMap::OptionsMap() { + + OptionsMap& o = *this; + + o["Use Search Log"] = UCIOption(false); + o["Search Log Filename"] = UCIOption("SearchLog.txt"); + o["Book File"] = UCIOption("book.bin"); + o["Best Book Move"] = UCIOption(false); + o["Mobility (Middle Game)"] = UCIOption(100, 0, 200); + o["Mobility (Endgame)"] = UCIOption(100, 0, 200); + o["Passed Pawns (Middle Game)"] = UCIOption(100, 0, 200); + o["Passed Pawns (Endgame)"] = UCIOption(100, 0, 200); + o["Space"] = UCIOption(100, 0, 200); + o["Aggressiveness"] = UCIOption(100, 0, 200); + o["Cowardice"] = UCIOption(100, 0, 200); + o["Minimum Split Depth"] = UCIOption(4, 4, 7); + o["Maximum Number of Threads per Split Point"] = UCIOption(5, 4, 8); + o["Threads"] = UCIOption(1, 1, MAX_THREADS); + o["Use Sleeping Threads"] = UCIOption(true); + o["Hash"] = UCIOption(32, 4, 8192); + o["Clear Hash"] = UCIOption(false, "button"); + o["Ponder"] = UCIOption(true); + o["OwnBook"] = UCIOption(true); + o["MultiPV"] = UCIOption(1, 1, 500); + o["Skill Level"] = UCIOption(20, 0, 20); + o["Emergency Move Horizon"] = UCIOption(40, 0, 50); + o["Emergency Base Time"] = UCIOption(200, 0, 30000); + o["Emergency Move Time"] = UCIOption(70, 0, 5000); + o["Minimum Thinking Time"] = UCIOption(20, 0, 5000); + o["UCI_Chess960"] = UCIOption(false); + o["UCI_AnalyseMode"] = UCIOption(false); + + // Set some SMP parameters accordingly to the detected CPU count + UCIOption& thr = o["Threads"]; + UCIOption& msd = o["Minimum Split Depth"]; + + thr.defaultValue = thr.currentValue = stringify(cpu_count()); + + if (cpu_count() >= 8) + msd.defaultValue = msd.currentValue = stringify(7); } -/// set_option_value() inserts a new value for a UCI parameter. Note that -/// the function does not check that the new value is legal for the given -/// parameter: This is assumed to be the responsibility of the GUI. +/// OptionsMap::print_all() returns a string with all the UCI options in chronological +/// insertion order (the idx field) and in the format defined by the UCI protocol. -void set_option_value(const std::string& optionName, - const std::string& newValue) { +string OptionsMap::print_all() const { - if (options.find(optionName) != options.end()) - options[optionName].currentValue = newValue; - else - std::cout << "No such option: " << optionName << std::endl; -} + std::stringstream s; + for (size_t i = 0; i <= size(); i++) + for (OptionsMap::const_iterator it = begin(); it != end(); ++it) + if (it->second.idx == i) + { + const UCIOption& o = it->second; + s << "\noption name " << it->first << " type " << o.type; -/// push_button() is used to tell the engine that a UCI parameter of type -/// "button" has been selected: + if (o.type != "button") + s << " default " << o.defaultValue; -void push_button(const std::string& buttonName) { + if (o.type == "spin") + s << " min " << o.minValue << " max " << o.maxValue; - set_option_value(buttonName, "true"); + break; + } + return s.str(); } -/// button_was_pressed() tests whether a UCI parameter of type "button" has -/// been selected since the last time the function was called, in this case -/// it also resets the button. +/// Option class c'tors -bool button_was_pressed(const std::string& buttonName) { +UCIOption::UCIOption(const char* def) : type("string"), minValue(0), maxValue(0), idx(Options.size()) +{ defaultValue = currentValue = def; } - if (!get_option_value(buttonName)) - return false; +UCIOption::UCIOption(bool def, string t) : type(t), minValue(0), maxValue(0), idx(Options.size()) +{ defaultValue = currentValue = (def ? "true" : "false"); } - set_option_value(buttonName, "false"); - return true; -} +UCIOption::UCIOption(int def, int minv, int maxv) : type("spin"), minValue(minv), maxValue(maxv), idx(Options.size()) +{ defaultValue = currentValue = stringify(def); } -namespace { +/// set_value() updates currentValue of the Option object. Normally it's up to +/// the GUI to check for option's limits, but we could receive the new value +/// directly from the user by teminal window. So let's check the bounds anyway. - // Define constructors of Option class. +void UCIOption::set_value(const string& v) { - Option::Option() {} // To allow insertion in a std::map + assert(!type.empty()); - Option::Option(const std::string& def, OptionType t) - : defaultValue(def), currentValue(def), type(t), minValue(0), maxValue(0) {} + if (v.empty()) + return; - Option::Option(bool def, OptionType t) - : defaultValue(stringify(def)), currentValue(stringify(def)), type(t), minValue(0), maxValue(0) {} + if ((type == "check" || type == "button") != (v == "true" || v == "false")) + return; - Option::Option(int def, int minv, int maxv) - : defaultValue(stringify(def)), currentValue(stringify(def)), type(SPIN), minValue(minv), maxValue(maxv) {} + if (type == "spin") + { + int val = atoi(v.c_str()); + if (val < minValue || val > maxValue) + return; + } + currentValue = v; }