X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fucioption.cpp;h=5c78c00e6a675b372e08d13e1d6cdda7077be77f;hp=764324d6f01694b44e61e2537993c3002497ecf5;hb=c97104e8540b72ee2c6c9c13d3773d2c0f9ec32f;hpb=bb751d6c890f5c50c642366d601740366cfae8d0
diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index 764324d6..5c78c00e 100644
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -1,17 +1,18 @@
/*
- Glaurung, a UCI chess playing engine.
- Copyright (C) 2004-2008 Tord Romstad
+ Stockfish, a UCI chess playing engine derived from Glaurung 2.1
+ Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
+ Copyright (C) 2008 Marco Costalba
- Glaurung is free software: you can redistribute it and/or modify
+ Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
-
- Glaurung is distributed in the hope that it will be useful,
+
+ Stockfish is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program. If not, see
-#include
-#include
+#include
+#include
+#include
#include "misc.h"
#include "thread.h"
@@ -47,92 +49,159 @@ namespace {
/// Types
///
- enum OptionType { SPIN, COMBO, CHECK, STRING, BUTTON, OPTION_TYPE_NONE};
+ enum OptionType { SPIN, COMBO, CHECK, STRING, BUTTON };
+
+ typedef std::vector ComboValues;
struct Option {
- char name[50], defaultValue[300], currentValue[300];
+
+ std::string name, defaultValue, currentValue;
OptionType type;
int minValue, maxValue;
- char comboValues[8][64];
+ ComboValues comboValues;
+
+ Option(const char* name, const char* defaultValue, OptionType = STRING);
+ Option(const char* name, bool defaultValue, OptionType = CHECK);
+ Option(const char* name, int defaultValue, int minValue, int maxValue);
};
-
+
+ typedef std::vector Options;
///
- /// Variables
+ /// Constants
///
- Option Options[] = {
- { "Use Search Log", "false", "false", CHECK, 0, 0, {""} },
- { "Search Log Filename", "SearchLog.txt", "SearchLog.txt", STRING, 0, 0, {""} },
- { "Book File", "book.bin", "book.bin", STRING, 0, 0, {""} },
- { "Mobility (Middle Game)", "100", "100", SPIN, 0, 200, {""} },
- { "Mobility (Endgame)", "100", "100", SPIN, 0, 200, {""} },
- { "Pawn Structure (Middle Game)", "100", "100", SPIN, 0, 200, {""} },
- { "Pawn Structure (Endgame)", "100", "100", SPIN, 0, 200, {""} },
- { "Passed Pawns (Middle Game)", "100", "100", SPIN, 0, 200, {""} },
- { "Passed Pawns (Endgame)", "100", "100", SPIN, 0, 200, {""} },
- { "Aggressiveness", "100", "100", SPIN, 0, 200, {""} },
- { "Cowardice", "100", "100", SPIN, 0, 200, {""} },
- { "King Safety Curve", "Quadratic", "Quadratic", COMBO, 0, 0,
- { "Quadratic", "Linear" /*, "From File"*/ } },
- { "King Safety Coefficient", "40", "40", SPIN, 1, 100 , {""} },
- { "King Safety X Intercept", "0", "0", SPIN, 0, 20, {""} },
- { "King Safety Max Slope", "30", "30", SPIN, 10, 100, {""} },
- { "King Safety Max Value", "500", "500", SPIN, 100, 1000, {""} },
- { "Queen Contact Check Bonus", "4", "4", SPIN, 0, 8, {""} },
- { "Rook Contact Check Bonus", "2", "2", SPIN, 0, 4, {""} },
- { "Queen Check Bonus", "2", "2", SPIN, 0, 4, {""} },
- { "Rook Check Bonus", "1", "1", SPIN, 0, 4, {""} },
- { "Bishop Check Bonus", "1", "1", SPIN, 0, 4, {""} },
- { "Knight Check Bonus", "1", "1", SPIN, 0, 4, {""} },
- { "Discovered Check Bonus", "3", "3", SPIN, 0, 8, {""} },
- { "Mate Threat Bonus", "3", "3", SPIN, 0, 8, {""} },
- { "Check Extension (PV nodes)", "2", "2", SPIN, 0, 2, {""} },
- { "Check Extension (non-PV nodes)", "1", "1", SPIN, 0, 2, {""} },
- { "Single Reply Extension (PV nodes)", "2", "2", SPIN, 0, 2, {""} },
- { "Single Reply Extension (non-PV nodes)", "2", "2", SPIN, 0, 2, {""} },
- { "Mate Threat Extension (PV nodes)", "0", "0", SPIN, 0, 2, {""} },
- { "Mate Threat Extension (non-PV nodes)", "0", "0", SPIN, 0, 2, {""} },
- { "Pawn Push to 7th Extension (PV nodes)", "1", "1", SPIN, 0, 2, {""} },
- { "Pawn Push to 7th Extension (non-PV nodes)", "1", "1", SPIN, 0, 2, {""} },
- { "Passed Pawn Extension (PV nodes)", "1", "1", SPIN, 0, 2, {""} },
- { "Passed Pawn Extension (non-PV nodes)", "0", "0", SPIN, 0, 2, {""} },
- { "Pawn Endgame Extension (PV nodes)", "2", "2", SPIN, 0, 2, {""} },
- { "Pawn Endgame Extension (non-PV nodes)", "2", "2", SPIN, 0, 2, {""} },
- { "Full Depth Moves (PV nodes)", "14", "14", SPIN, 1, 100, {""} },
- { "Full Depth Moves (non-PV nodes)", "3", "3", SPIN, 1, 100, {""} },
- { "Threat Depth", "5", "5", SPIN, 0, 100, {""} },
- { "Selective Plies", "7", "7", SPIN, 0, 10, {""} },
- { "Futility Pruning (Main Search)", "true", "true", CHECK, 0, 0, {""} },
- { "Futility Pruning (Quiescence Search)", "true", "true", CHECK, 0, 0, {""} },
- { "Futility Margin 0", "50", "50", SPIN, 0, 1000, {""} },
- { "Futility Margin 1", "100", "100", SPIN, 0, 1000, {""} },
- { "Futility Margin 2", "300", "300", SPIN, 0, 1000, {""} },
- { "Maximum Razoring Depth", "3", "3", SPIN, 0, 4, {""} },
- { "Razoring Margin", "300", "300", SPIN, 150, 600, {""} },
- { "Randomness", "0", "0", SPIN, 0, 10, {""} },
- { "Minimum Split Depth", "4", "4", SPIN, 4, 7, {""} },
- { "Maximum Number of Threads per Split Point", "5", "5", SPIN, 4, 8, {""} },
- { "Threads", "1", "1", SPIN, 1, 8, {""} },
- { "Hash", "32", "32", SPIN, 4, 4096, {""} },
- { "Clear Hash", "false", "false", BUTTON, 0, 0, {""} },
- { "Ponder", "true", "true", CHECK, 0, 0, {""} },
- { "OwnBook", "true", "true", CHECK, 0, 0, {""} },
- { "MultiPV", "1", "1", SPIN, 1, 500, {""} },
- { "UCI_ShowCurrLine", "false", "false", CHECK, 0, 0, {""} },
- { "UCI_Chess960", "false", "false", CHECK, 0, 0, {""} },
- { "", "", "", OPTION_TYPE_NONE, 0, 0, {""}}
- };
-
+ // load_defaults populates the options vector with the hard
+ // coded names and default values.
+
+ void load_defaults(Options& o) {
+
+ o.push_back(Option("Use Search Log", false));
+ o.push_back(Option("Search Log Filename", "SearchLog.txt"));
+ o.push_back(Option("Book File", "book.bin"));
+ o.push_back(Option("Mobility (Middle Game)", 100, 0, 200));
+ o.push_back(Option("Mobility (Endgame)", 100, 0, 200));
+ o.push_back(Option("Pawn Structure (Middle Game)", 100, 0, 200));
+ o.push_back(Option("Pawn Structure (Endgame)", 100, 0, 200));
+ o.push_back(Option("Passed Pawns (Middle Game)", 100, 0, 200));
+ o.push_back(Option("Passed Pawns (Endgame)", 100, 0, 200));
+ o.push_back(Option("Space", 100, 0, 200));
+ o.push_back(Option("Aggressiveness", 100, 0, 200));
+ o.push_back(Option("Cowardice", 100, 0, 200));
+ o.push_back(Option("King Safety Curve", "Quadratic", COMBO));
+
+ o.back().comboValues.push_back("Quadratic");
+ o.back().comboValues.push_back("Linear"); /*, "From File"*/
+
+ o.push_back(Option("King Safety Coefficient", 40, 1, 100));
+ o.push_back(Option("King Safety X Intercept", 0, 0, 20));
+ o.push_back(Option("King Safety Max Slope", 30, 10, 100));
+ o.push_back(Option("King Safety Max Value", 500, 100, 1000));
+ o.push_back(Option("Queen Contact Check Bonus", 3, 0, 8));
+ o.push_back(Option("Queen Check Bonus", 2, 0, 4));
+ o.push_back(Option("Rook Check Bonus", 1, 0, 4));
+ o.push_back(Option("Bishop Check Bonus", 1, 0, 4));
+ o.push_back(Option("Knight Check Bonus", 1, 0, 4));
+ o.push_back(Option("Discovered Check Bonus", 3, 0, 8));
+ o.push_back(Option("Mate Threat Bonus", 3, 0, 8));
+ o.push_back(Option("Check Extension (PV nodes)", 2, 0, 2));
+ o.push_back(Option("Check Extension (non-PV nodes)", 1, 0, 2));
+ o.push_back(Option("Single Reply Extension (PV nodes)", 2, 0, 2));
+ o.push_back(Option("Single Reply Extension (non-PV nodes)", 2, 0, 2));
+ o.push_back(Option("Mate Threat Extension (PV nodes)", 0, 0, 2));
+ o.push_back(Option("Mate Threat Extension (non-PV nodes)", 0, 0, 2));
+ o.push_back(Option("Pawn Push to 7th Extension (PV nodes)", 1, 0, 2));
+ o.push_back(Option("Pawn Push to 7th Extension (non-PV nodes)", 1, 0, 2));
+ o.push_back(Option("Passed Pawn Extension (PV nodes)", 1, 0, 2));
+ o.push_back(Option("Passed Pawn Extension (non-PV nodes)", 0, 0, 2));
+ o.push_back(Option("Pawn Endgame Extension (PV nodes)", 2, 0, 2));
+ o.push_back(Option("Pawn Endgame Extension (non-PV nodes)", 2, 0, 2));
+ o.push_back(Option("Full Depth Moves (PV nodes)", 14, 1, 100));
+ o.push_back(Option("Full Depth Moves (non-PV nodes)", 3, 1, 100));
+ o.push_back(Option("Threat Depth", 5, 0, 100));
+ o.push_back(Option("Selective Plies", 7, 0, 10));
+ o.push_back(Option("Null driven IID", false));
+ o.push_back(Option("Futility Pruning (Main Search)", true));
+ o.push_back(Option("Futility Pruning (Quiescence Search)", true));
+ o.push_back(Option("Futility Margin (Quiescence Search)", 50, 0, 1000));
+ o.push_back(Option("Futility Margin Scale Factor (Main Search)", 100, 0, 1000));
+ o.push_back(Option("Maximum Razoring Depth", 3, 0, 4));
+ o.push_back(Option("Razoring Margin", 300, 150, 600));
+ o.push_back(Option("LSN filtering", true));
+ o.push_back(Option("LSN Time Margin (sec)", 4, 1, 10));
+ o.push_back(Option("LSN Value Margin", 200, 100, 600));
+ o.push_back(Option("Randomness", 0, 0, 10));
+ o.push_back(Option("Minimum Split Depth", 4, 4, 7));
+ o.push_back(Option("Maximum Number of Threads per Split Point", 5, 4, 8));
+ o.push_back(Option("Threads", 1, 1, 8));
+ o.push_back(Option("Hash", 32, 4, 4096));
+ o.push_back(Option("Clear Hash", false, BUTTON));
+ o.push_back(Option("Ponder", true));
+ o.push_back(Option("OwnBook", true));
+ o.push_back(Option("MultiPV", 1, 1, 500));
+ o.push_back(Option("UCI_ShowCurrLine", false));
+ o.push_back(Option("UCI_Chess960", false));
+ }
///
- /// Functions
+ /// Variables
///
- Option *option_with_name(const char *optionName);
+ Options options;
-}
+ // Local functions
+ Options::iterator option_with_name(const std::string& optionName);
+
+ // 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();
+ Options::iterator it = option_with_name(optionName);
+
+ if (it != options.end())
+ {
+ std::istringstream ss(it->currentValue);
+ ss >> ret;
+ } else
+ assert(false);
+
+ 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) {
+
+ Options::iterator it = option_with_name(optionName);
+ return it != options.end() && it->currentValue == "true";
+ }
+}
////
//// Functions
@@ -143,26 +212,31 @@ namespace {
/// "Threads" parameter to the number of available CPU cores.
void init_uci_options() {
- Option *o;
- o = option_with_name("Threads");
- assert(o != NULL);
+ 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.
- sprintf(o->defaultValue, "%d", Min(cpu_count(), 7));
- sprintf(o->currentValue, "%d", Min(cpu_count(), 7));
+ Options::iterator it = option_with_name("Threads");
+
+ assert(it != options.end());
+
+ it->defaultValue = stringify(Min(cpu_count(), 7));
+ it->currentValue = stringify(Min(cpu_count(), 7));
// 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.
- o = option_with_name("Minimum Split Depth");
- assert(o != NULL);
- if(cpu_count() > 4) {
- sprintf(o->defaultValue, "%d", 6);
- sprintf(o->defaultValue, "%d", 6);
+ if(cpu_count() > 4)
+ {
+ it = option_with_name("Minimum Split Depth");
+
+ assert(it != options.end());
+
+ it->defaultValue = "6";
+ it->currentValue = "6";
}
}
@@ -171,30 +245,39 @@ void init_uci_options() {
/// in the format defined by the UCI protocol.
void print_uci_options() {
+
static const char optionTypeName[][16] = {
"spin", "combo", "check", "string", "button"
};
- for(Option *o = Options; o->type != OPTION_TYPE_NONE; o++) {
- printf("option name %s type %s", o->name, optionTypeName[o->type]);
- if(o->type != BUTTON) {
- printf(" default %s", o->defaultValue);
- if(o->type == SPIN)
- printf(" min %d max %d", o->minValue, o->maxValue);
- else if(o->type == COMBO)
- for(int i = 0; strlen(o->comboValues[i]) > 0; i++)
- printf(" var %s", o->comboValues[i]);
- }
- printf("\n");
+
+ for (Options::iterator it = options.begin(); it != options.end(); ++it)
+ {
+ std::cout << "option name " << it->name
+ << " type " << optionTypeName[it->type];
+
+ if (it->type != BUTTON)
+ {
+ std::cout << " default " << it->defaultValue;
+
+ if (it->type == SPIN)
+ std::cout << " min " << it->minValue
+ << " max " << it->maxValue;
+
+ else if (it->type == COMBO)
+ for(ComboValues::iterator itc = it->comboValues.begin();
+ itc != it->comboValues.end(); ++itc)
+ std::cout << " var " << *itc;
+ }
+ std::cout << std::endl;
}
}
-
/// get_option_value_bool() returns the current value of a UCI parameter of
/// type "check".
-bool get_option_value_bool(const std::string &optionName) {
- Option *o = option_with_name(optionName.c_str());
- return o != NULL && strcmp(o->currentValue, "true") == 0;
+bool get_option_value_bool(const std::string& optionName) {
+
+ return get_option_value(optionName);
}
@@ -203,31 +286,33 @@ bool get_option_value_bool(const std::string &optionName) {
/// 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) {
- Option *o = option_with_name(optionName.c_str());
- return atoi(o->currentValue);
+int get_option_value_int(const std::string& optionName) {
+
+ return get_option_value(optionName);
}
/// 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) {
- Option *o = option_with_name(optionName.c_str());
- return o->currentValue;
+const std::string get_option_value_string(const std::string& optionName) {
+
+ return get_option_value(optionName);
}
/// button_was_pressed() tests whether a UCI parameter of type "button" has
/// been selected since the last time the function was called.
-bool button_was_pressed(const std::string &buttonName) {
- if(get_option_value_bool(buttonName)) {
+bool button_was_pressed(const std::string& buttonName) {
+
+ if (get_option_value(buttonName))
+ {
set_option_value(buttonName, "false");
return true;
}
- else
- return false;
+
+ return false;
}
@@ -235,36 +320,50 @@ bool button_was_pressed(const std::string &buttonName) {
/// 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.
-void set_option_value(const std::string &optionName,
- const std::string &newValue) {
- Option *o = option_with_name(optionName.c_str());
+void set_option_value(const std::string& optionName,
+ const std::string& newValue) {
+
+ Options::iterator it = option_with_name(optionName);
- if(o != NULL)
- strcpy(o->currentValue, newValue.c_str());
+ if (it != options.end())
+ it->currentValue = newValue;
else
- std::cout << "No such option: " << optionName << std::endl;
+ std::cout << "No such option: " << optionName << std::endl;
}
/// push_button() is used to tell the engine that a UCI parameter of type
/// "button" has been selected:
-void push_button(const std::string &buttonName) {
+void push_button(const std::string& buttonName) {
+
set_option_value(buttonName, "true");
}
namespace {
- // option_with_name() tries to find a UCI option with a given
- // name. It returns a pointer to the UCI option or the null pointer,
- // depending on whether an option with the given name exists.
-
- Option *option_with_name(const char *optionName) {
- for(Option *o = Options; o->type != OPTION_TYPE_NONE; o++)
- if(strcmp(o->name, optionName) == 0)
- return o;
- return NULL;
- }
+ // Define constructors of Option class.
+
+ Option::Option(const char* nm, const char* def, OptionType t)
+ : name(nm), defaultValue(def), currentValue(def), type(t), minValue(0), maxValue(0) {}
+ Option::Option(const char* nm, bool def, OptionType t)
+ : name(nm), defaultValue(stringify(def)), currentValue(stringify(def)), type(t), minValue(0), maxValue(0) {}
+
+ Option::Option(const char* nm, int def, int minv, int maxv)
+ : name(nm), defaultValue(stringify(def)), currentValue(stringify(def)), type(SPIN), minValue(minv), maxValue(maxv) {}
+
+ // option_with_name() tries to find a UCI option with a given
+ // name. It returns an iterator to the UCI option or to options.end(),
+ // depending on whether an option with the given name exists.
+
+ Options::iterator option_with_name(const std::string& optionName) {
+
+ for (Options::iterator it = options.begin(); it != options.end(); ++it)
+ if (it->name == optionName)
+ return it;
+
+ return options.end();
+ }
}