X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fucioption.cpp;h=b5d87c3b91a551f650efcfa48ed889cd0a07c44b;hp=ab931bb44909c56c955784a687176b21f71c88a1;hb=aa88261a8f509fdabfe235042de1c1ea7a39a399;hpb=126036abb093df88593ef9db67ac0b9a07f411a6

diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index ab931bb4..b5d87c3b 100644
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -2,7 +2,7 @@
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
   Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
-  Copyright (C) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
+  Copyright (C) 2015-2018 Marco Costalba, Joona Kiiski, Gary Linscott, 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
@@ -39,7 +39,7 @@ namespace UCI {
 void on_clear_hash(const Option&) { Search::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_threads(const Option& o) { Threads.set(o); }
 void on_tb_path(const Option& o) { Tablebases::init(o); }
 
 
@@ -55,11 +55,12 @@ bool CaseInsensitiveLess::operator() (const string& s1, const string& s2) const
 
 void init(OptionsMap& o) {
 
-  const int MaxHashMB = Is64Bit ? 1024 * 1024 : 2048;
+  // at most 2^32 clusters.
+  const int MaxHashMB = Is64Bit ? 131072 : 2048;
 
   o["Debug Log File"]        << Option("", on_logger);
   o["Contempt"]              << Option(0, -100, 100);
-  o["Threads"]               << Option(1, 1, 128, on_threads);
+  o["Threads"]               << Option(1, 1, 512, on_threads);
   o["Hash"]                  << Option(16, 1, MaxHashMB, on_hash_size);
   o["Clear Hash"]            << Option(on_clear_hash);
   o["Ponder"]                << Option(false);