Reduce minimum memory requirement by 16MB

[stockfish] / src / ucioption.cpp

diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index 2184c692f91a878ae8fc6f568b5f349f87747922..89b983f83fc13b2d8bf8696c8bdcaa32cb2b76c1 100644 (file)
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -54,36 +54,23 @@ bool CaseInsensitiveLess::operator() (const string& s1, const string& s2) const
 
 void init(OptionsMap& o) {
 
-  o["Write Debug Log"]          = Option(false, on_logger);
-  o["Write Search Log"]         = Option(false);
-  o["Search Log Filename"]      = Option("SearchLog.txt");
-  o["Book File"]                = Option("book.bin");
-  o["Best Book Move"]           = Option(false);
-  o["Contempt Factor"]          = Option(0, -50,  50);
-  o["Mobility (Midgame)"]       = Option(100, 0, 200, on_eval);
-  o["Mobility (Endgame)"]       = Option(100, 0, 200, on_eval);
-  o["Pawn Structure (Midgame)"] = Option(100, 0, 200, on_eval);
-  o["Pawn Structure (Endgame)"] = Option(100, 0, 200, on_eval);
-  o["Passed Pawns (Midgame)"]   = Option(100, 0, 200, on_eval);
-  o["Passed Pawns (Endgame)"]   = Option(100, 0, 200, on_eval);
-  o["Space"]                    = Option(100, 0, 200, on_eval);
-  o["Aggressiveness"]           = Option(100, 0, 200, on_eval);
-  o["Cowardice"]                = Option(100, 0, 200, on_eval);
-  o["Min Split Depth"]          = Option(0, 0, 12, on_threads);
-  o["Threads"]                  = Option(1, 1, MAX_THREADS, on_threads);
-  o["Idle Threads Sleep"]       = Option(true);
-  o["Hash"]                     = Option(32, 1, 16384, on_hash_size);
-  o["Clear Hash"]               = Option(on_clear_hash);
-  o["Ponder"]                   = Option(true);
-  o["OwnBook"]                  = Option(false);
-  o["MultiPV"]                  = Option(1, 1, 500);
-  o["Skill Level"]              = Option(20, 0, 20);
-  o["Emergency Move Horizon"]   = Option(40, 0, 50);
-  o["Emergency Base Time"]      = Option(60, 0, 30000);
-  o["Emergency Move Time"]      = Option(30, 0, 5000);
-  o["Minimum Thinking Time"]    = Option(20, 0, 5000);
-  o["Slow Mover"]               = Option(80, 10, 1000);
-  o["UCI_Chess960"]             = Option(false);
+  o["Write Debug Log"]          << Option(false, on_logger);
+  o["Write Search Log"]         << Option(false);
+  o["Search Log Filename"]      << Option("SearchLog.txt");
+  o["Contempt Factor"]          << Option(0, -100,  100);
+  o["Min Split Depth"]          << Option(0, 0, 12, on_threads);
+  o["Threads"]                  << Option(1, 1, MAX_THREADS, on_threads);
+  o["Hash"]                     << Option(16, 1, 1024 * 1024, on_hash_size);
+  o["Clear Hash"]               << Option(on_clear_hash);
+  o["Ponder"]                   << Option(true);
+  o["MultiPV"]                  << Option(1, 1, 500);
+  o["Skill Level"]              << Option(20, 0, 20);
+  o["Emergency Move Horizon"]   << Option(40, 0, 50);
+  o["Emergency Base Time"]      << Option(60, 0, 30000);
+  o["Emergency Move Time"]      << Option(30, 0, 5000);
+  o["Minimum Thinking Time"]    << Option(20, 0, 5000);
+  o["Slow Mover"]               << Option(80, 10, 1000);
+  o["UCI_Chess960"]             << Option(false);
 }
 
 
@@ -92,7 +79,7 @@ void init(OptionsMap& o) {
 
 std::ostream& operator<<(std::ostream& os, const OptionsMap& om) {
 
-  for (size_t idx = 0; idx < om.size() + 1; ++idx) // idx could start from 1
+  for (size_t idx = 0; idx < om.size(); ++idx)
       for (OptionsMap::const_iterator it = om.begin(); it != om.end(); ++it)
           if (it->second.idx == idx)
           {
@@ -113,16 +100,16 @@ std::ostream& operator<<(std::ostream& os, const OptionsMap& om) {
 
 /// Option class constructors and conversion operators
 
-Option::Option(const char* v, OnChange f) : type("string"), min(0), max(0), idx(Options.size()), on_change(f)
+Option::Option(const char* v, OnChange f) : type("string"), min(0), max(0), on_change(f)
 { defaultValue = currentValue = v; }
 
-Option::Option(bool v, OnChange f) : type("check"), min(0), max(0), idx(Options.size()), on_change(f)
+Option::Option(bool v, OnChange f) : type("check"), min(0), max(0), on_change(f)
 { defaultValue = currentValue = (v ? "true" : "false"); }
 
-Option::Option(OnChange f) : type("button"), min(0), max(0), idx(Options.size()), on_change(f)
+Option::Option(OnChange f) : type("button"), min(0), max(0), on_change(f)
 {}
 
-Option::Option(int v, int minv, int maxv, OnChange f) : type("spin"), min(minv), max(maxv), idx(Options.size()), on_change(f)
+Option::Option(int v, int minv, int maxv, OnChange f) : type("spin"), min(minv), max(maxv), on_change(f)
 { std::ostringstream ss; ss << v; defaultValue = currentValue = ss.str(); }
 
 
@@ -137,6 +124,17 @@ Option::operator std::string() const {
 }
 
 
+/// operator<<() inits options and assigns idx in the correct printing order
+
+void Option::operator<<(const Option& o) {
+
+  static size_t insert_order = 0;
+
+  *this = o;
+  idx = insert_order++;
+}
+
+
 /// operator=() updates currentValue and triggers on_change() action. It's up to
 /// the GUI to check for option's limits, but we could receive the new value from
 /// the user by console window, so let's check the bounds anyway.