100% accurate PV display

[stockfish] / src / thread.h

diff --git a/src/thread.h b/src/thread.h
index ddeb49021e82977175261f53872fdaac647cf3dd..8a512c96dd22f5fa84f04c1733c45ccf4fb6b38c 100644 (file)
--- a/src/thread.h
+++ b/src/thread.h
@@ -20,6 +20,7 @@
 #ifndef THREAD_H_INCLUDED
 #define THREAD_H_INCLUDED
 
+#include <bitset>
 #include <vector>
 
 #include "material.h"
@@ -28,7 +29,7 @@
 #include "position.h"
 #include "search.h"
 
-const int MAX_THREADS = 64; // Because SplitPoint::slavesMask is a uint64_t
+const int MAX_THREADS = 128;
 const int MAX_SPLITPOINTS_PER_THREAD = 8;
 
 struct Mutex {
@@ -62,7 +63,7 @@ struct SplitPoint {
 
   // Const data after split point has been setup
   const Position* pos;
-  const Search::Stack* ss;
+  Search::Stack* ss;
   Thread* masterThread;
   Depth depth;
   Value beta;
@@ -75,7 +76,8 @@ struct SplitPoint {
 
   // Shared data
   Mutex mutex;
-  volatile uint64_t slavesMask;
+  std::bitset<MAX_THREADS> slavesMask;
+  volatile bool allSlavesSearching;
   volatile uint64_t nodes;
   volatile Value alpha;
   volatile Value bestValue;
@@ -90,7 +92,7 @@ struct SplitPoint {
 
 struct ThreadBase {
 
-  ThreadBase() : exit(false) {}
+  ThreadBase() : handle(NativeHandle()), exit(false) {}
   virtual ~ThreadBase() {}
   virtual void idle_loop() = 0;
   void notify_one();
@@ -115,8 +117,7 @@ struct Thread : public ThreadBase {
   bool cutoff_occurred() const;
   bool available_to(const Thread* master) const;
 
-  template <bool Fake>
-  void split(Position& pos, const Search::Stack* ss, Value alpha, Value beta, Value* bestValue, Move* bestMove,
+  void split(Position& pos, Search::Stack* ss, Value alpha, Value beta, Value* bestValue, Move* bestMove,
              Depth depth, int moveCount, MovePicker* movePicker, int nodeType, bool cutNode);
 
   SplitPoint splitPoints[MAX_SPLITPOINTS_PER_THREAD];
@@ -164,7 +165,6 @@ struct ThreadPool : public std::vector<Thread*> {
   void wait_for_think_finished();
   void start_thinking(const Position&, const Search::LimitsType&, Search::StateStackPtr&);
 
-  bool sleepWhileIdle;
   Depth minimumSplitDepth;
   Mutex mutex;
   ConditionVariable sleepCondition;