In split() release the lock before slow search stack copy

[stockfish] / src / thread.h

diff --git a/src/thread.h b/src/thread.h
index 558a6752da9c679cfa59f6c4b614356703df2680..d12ec845c01f4bc4a288bd6bfe076b8652ca9b5b 100644 (file)
--- a/src/thread.h
+++ b/src/thread.h
@@ -26,7 +26,6 @@
 //// Includes
 ////
 
-#include "history.h"
 #include "lock.h"
 #include "movepick.h"
 #include "position.h"
@@ -38,6 +37,7 @@
 ////
 
 const int THREAD_MAX = 8;
+const int ACTIVE_SPLIT_POINTS_MAX = 8;
 
 
 ////
@@ -46,14 +46,13 @@ const int THREAD_MAX = 8;
 
 struct SplitPoint {
   SplitPoint *parent;
-  Position pos;
-  SearchStack sstack[THREAD_MAX][PLY_MAX];
+  const Position* pos;
+  SearchStack sstack[THREAD_MAX][PLY_MAX_PLUS_2];
   SearchStack *parentSstack;
   int ply;
   Depth depth;
-  volatile Value alpha, beta, bestValue;
+  volatile Value alpha, beta, bestValue, futilityValue;
   bool pvNode;
-  Bitboard dcCandidates;
   int master, slaves[THREAD_MAX];
   Lock lock;
   MovePicker *mp;
@@ -74,7 +73,6 @@ struct Thread {
   volatile bool idle;
   volatile bool workIsWaiting;
   volatile bool printCurrentLine;
-  History H;
   unsigned char pad[64]; // set some distance among local data for each thread
 };