Tuned nullmove search

[stockfish] / src / thread.h

diff --git a/src/thread.h b/src/thread.h
index af506609ed9f1e1ee0610e19fe63044e13de23ad..a1545072843a2dd9286c53db09d2b48c8bb8275c 100644 (file)
--- a/src/thread.h
+++ b/src/thread.h
@@ -42,8 +42,8 @@
 
 class Thread {
 
-  Mutex mutex;
-  ConditionVariable cv;
+  std::mutex mutex;
+  std::condition_variable cv;
   size_t idx;
   bool exit = false, searching = true; // Set before starting std::thread
   NativeThread stdThread;
@@ -56,14 +56,15 @@ public:
   void idle_loop();
   void start_searching();
   void wait_for_search_finished();
+  int best_move_count(Move move);
 
   Pawns::Table pawnsTable;
   Material::Table materialTable;
-  Endgames endgames;
   size_t pvIdx, pvLast;
+  uint64_t ttHitAverage;
   int selDepth, nmpMinPly;
   Color nmpColor;
-  std::atomic<uint64_t> nodes, tbHits;
+  std::atomic<uint64_t> nodes, tbHits, bestMoveChanges;
 
   Position rootPos;
   Search::RootMoves rootMoves;
@@ -71,7 +72,7 @@ public:
   CounterMoveHistory counterMoves;
   ButterflyHistory mainHistory;
   CapturePieceToHistory captureHistory;
-  ContinuationHistory continuationHistory;
+  ContinuationHistory continuationHistory[2][2];
   Score contempt;
 };
 
@@ -85,8 +86,9 @@ struct MainThread : public Thread {
   void search() override;
   void check_time();
 
-  double bestMoveChanges, previousTimeReduction;
+  double previousTimeReduction;
   Value previousScore;
+  Value iterValue[4];
   int callsCnt;
   bool stopOnPonderhit;
   std::atomic_bool ponder;