Merge tag 'sf_dd'

Conflicts:
	src/uci.cpp

polyglot.ini

@@ -32,7 +32,7 @@ Cowardice = 100
 Min Split Depth = 0
 Max Threads per Split Point = 5
 Threads = 1
-Idle Threads Sleep = true
+Idle Threads Sleep = false
 Hash = 128
 Ponder = true
 OwnBook = false

src/Makefile

@@ -177,6 +177,16 @@ ifeq ($(ARCH),osx-ppc-32)
 	sse = no
 endif
 
+ifeq ($(ARCH),linux-ppc-64)
+	arch = ppc64
+	os = any
+	bits = 64
+	prefetch = no
+	bsfq = no
+	popcnt = no
+	sse = no
+endif
+
 ifeq ($(ARCH),osx-x86-64)
 	arch = x86_64
 	os = osx
@@ -431,6 +441,7 @@ help:
 	@echo "x86-64-modern           > x86 64-bit with popcnt support"
 	@echo "x86-32                  > x86 32-bit with SSE support"
 	@echo "x86-32-old              > x86 32-bit fall back for old hardware"
+	@echo "linux-ppc-64            > PPC-Linux 64 bit"
 	@echo "osx-ppc-64              > PPC-Mac OS X 64 bit"
 	@echo "osx-ppc-32              > PPC-Mac OS X 32 bit"
 	@echo "osx-x86-64              > x86-Mac OS X 64 bit"

src/misc.cpp

@@ -28,7 +28,7 @@ using namespace std;
 
 /// Version number. If Version is left empty, then compile date, in the
 /// format DD-MM-YY, is shown in engine_info.
-static const string Version = "";
+static const string Version = "DD";
 
 
 /// engine_info() returns the full name of the current Stockfish version. This

src/types.h

@@ -194,8 +194,8 @@ enum Depth {
   ONE_PLY = 2,
 
   DEPTH_ZERO          =  0 * ONE_PLY,
-  DEPTH_QS_CHECKS     = -1 * ONE_PLY,
-  DEPTH_QS_NO_CHECKS  = -2 * ONE_PLY,
+  DEPTH_QS_CHECKS     =  0 * ONE_PLY,
+  DEPTH_QS_NO_CHECKS  = -1 * ONE_PLY,
   DEPTH_QS_RECAPTURES = -5 * ONE_PLY,
 
   DEPTH_NONE = -127 * ONE_PLY

src/uci.cpp

@@ -27,7 +27,6 @@
 #include "position.h"
 #include "search.h"
 #include "thread.h"
-#include "tt.h"
 #include "ucioption.h"
 
 using namespace std;
@@ -75,6 +74,7 @@ void UCI::command(const string& cmd) {
 	  if (token != "ponderhit" || Search::Signals.stopOnPonderhit)
 	  {
 		  Search::Signals.stop = true;
+		  Threads.main()->notify_one(); // Could be sleeping
 	  }
 	  else
 		  Search::Limits.ponder = false;
@@ -105,7 +105,7 @@ void UCI::command(const string& cmd) {
 	  Search::RootColor = currentPos.side_to_move(); // Ensure it is set
 	  sync_cout << Eval::trace(currentPos) << sync_endl;
   }
-  else if (token == "ucinewgame") TT.clear();
+  else if (token == "ucinewgame") { /* Avoid returning "Unknown command" */ }
   else if (token == "go")         go(currentPos, is);
   else if (token == "position")   position(currentPos, is);
   else if (token == "setoption")  setoption(is);

src/ucioption.cpp

@@ -72,7 +72,7 @@ void init(OptionsMap& o) {
   o["Min Split Depth"]             = Option(0, 0, 12, on_threads);
   o["Max Threads per Split Point"] = Option(5, 4,  8, on_threads);
   o["Threads"]                     = Option(1, 1, MAX_THREADS, on_threads);
-  o["Idle Threads Sleep"]          = Option(true);
+  o["Idle Threads Sleep"]          = Option(false);
   o["Hash"]                        = Option(32, 1, 8192, on_hash_size);
   o["Clear Hash"]                  = Option(on_clear_hash);
   o["Ponder"]                      = Option(true);