Micro-optimize castleRights update

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index 8823e98f45ec8a581b6c45529848afd3a1755c91..73050bdf12534065495807d016753debd2e8ca3b 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -307,11 +307,7 @@ void Search::think() {
           << endl;
   }
 
-  for (int i = 0; i < Threads.size(); i++)
-  {
-      Threads[i].maxPly = 0;
-      Threads[i].wake_up();
-  }
+  Threads.set_size(Options["Threads"]);
 
   // Set best timer interval to avoid lagging under time pressure. Timer is
   // used to check for remaining available thinking time.
@@ -348,7 +344,7 @@ finalize:
   // but if we are pondering or in infinite search, we shouldn't print the best
   // move before we are told to do so.
   if (!Signals.stop && (Limits.ponder || Limits.infinite))
-      Threads.wait_for_stop_or_ponderhit();
+      Threads[pos.thread()].wait_for_stop_or_ponderhit();
 
   // Best move could be MOVE_NONE when searching on a stalemate position
   cout << "bestmove " << move_to_uci(RootMoves[0].pv[0], Chess960)
@@ -1061,7 +1057,9 @@ split_point_start: // At split points actual search starts from here
               sp->bestValue = value;
               sp->ss->bestMove = move;
               sp->alpha = alpha;
-              sp->is_betaCutoff = (value >= beta);
+
+              if (value >= beta)
+                  sp->cutoff = true;
           }
       }
 
@@ -1769,14 +1767,14 @@ void RootMove::extract_pv_from_tt(Position& pos) {
   pos.do_move(m, *st++);
 
   while (   (tte = TT.probe(pos.key())) != NULL
-         && tte->move() != MOVE_NONE
-         && pos.is_pseudo_legal(tte->move())
-         && pos.pl_move_is_legal(tte->move(), pos.pinned_pieces())
+         && (m = tte->move()) != MOVE_NONE // Local copy, TT entry could change
+         && pos.is_pseudo_legal(m)
+         && pos.pl_move_is_legal(m, pos.pinned_pieces())
          && ply < MAX_PLY
          && (!pos.is_draw<false>() || ply < 2))
   {
-      pv.push_back(tte->move());
-      pos.do_move(tte->move(), *st++);
+      pv.push_back(m);
+      pos.do_move(m, *st++);
       ply++;
   }
   pv.push_back(MOVE_NONE);
@@ -1867,7 +1865,7 @@ void Thread::idle_loop(SplitPoint* sp_master) {
           lock_grab(Threads.splitLock);
 
           assert(is_searching);
-          SplitPoint* sp = splitPoint;
+          SplitPoint* sp = curSplitPoint;
 
           lock_release(Threads.splitLock);