X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fucioption.cpp;h=1778c7182a52f56de7209e19a79af8b90cc17feb;hp=b2096f5ddda8b74481d6c7424089944d43bc5a4e;hb=9369f4963d9376820cb5ca4bad66b86e67b0a010;hpb=7caa6cd3383cf90189a1947c9bdf9c6fea1172a6

diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index b2096f5d..1778c718 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) 2008-2014 Marco Costalba, Joona Kiiski, Tord Romstad
+  Copyright (C) 2008-2015 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
@@ -26,10 +26,7 @@
 #include "thread.h"
 #include "tt.h"
 #include "uci.h"
-
-#ifdef SYZYGY
 #include "syzygy/tbprobe.h"
-#endif
 
 using std::string;
 
@@ -38,13 +35,11 @@ UCI::OptionsMap Options; // Global object
 namespace UCI {
 
 /// 'On change' actions, triggered by an option's value change
+void on_clear_hash(const Option&) { TT.clear(); }
+void on_hash_size(const Option& o) { TT.resize(o); }
 void on_logger(const Option& o) { start_logger(o); }
 void on_threads(const Option&) { Threads.read_uci_options(); }
-void on_hash_size(const Option& o) { TT.resize(o); }
-void on_clear_hash(const Option&) { TT.clear(); }
-#ifdef SYZYGY
 void on_tb_path(const Option& o) { Tablebases::init(o); }
-#endif
 
 
 /// Our case insensitive less() function as required by UCI protocol
@@ -59,11 +54,13 @@ bool CaseInsensitiveLess::operator() (const string& s1, const string& s2) const
 
 void init(OptionsMap& o) {
 
+  const int MaxHashMB = Is64Bit ? 1024 * 1024 : 2048;
+
   o["Write Debug Log"]       << Option(false, on_logger);
   o["Contempt"]              << 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["Hash"]                  << Option(16, 1, MaxHashMB, on_hash_size);
   o["Clear Hash"]            << Option(on_clear_hash);
   o["Ponder"]                << Option(true);
   o["MultiPV"]               << Option(1, 1, 500);
@@ -72,12 +69,10 @@ void init(OptionsMap& o) {
   o["Minimum Thinking Time"] << Option(20, 0, 5000);
   o["Slow Mover"]            << Option(80, 10, 1000);
   o["UCI_Chess960"]          << Option(false);
-#ifdef SYZYGY
   o["SyzygyPath"]            << Option("<empty>", on_tb_path);
   o["SyzygyProbeDepth"]      << Option(1, 1, 100);
   o["Syzygy50MoveRule"]      << Option(true);
   o["SyzygyProbeLimit"]      << Option(6, 0, 6);
-#endif
 }