Retire Time::restart()

[stockfish] / src / search.cpp

diff --git a/src/search.cpp b/src/search.cpp
index 6586144dfabceac40f269567244d192c98702d04..53a99f66036f66932ccc6e01b1ade81f81b51ca3 100644 (file)
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -43,11 +43,10 @@ namespace Search {
   std::vector<RootMove> RootMoves;
   Position RootPosition;
   Time SearchTime;
+  StateStackPtr SetupStates;
 }
 
 using std::string;
-using std::cout;
-using std::endl;
 using Eval::evaluate;
 using namespace Search;
 
@@ -236,8 +235,8 @@ void Search::think() {
 
   if (RootMoves.empty())
   {
-      cout << "info depth 0 score "
-           << score_to_uci(pos.in_check() ? -VALUE_MATE : VALUE_DRAW) << endl;
+      sync_cout << "info depth 0 score "
+                << score_to_uci(pos.in_check() ? -VALUE_MATE : VALUE_DRAW) << sync_endl;
 
       RootMoves.push_back(MOVE_NONE);
       goto finalize;
@@ -271,7 +270,7 @@ void Search::think() {
           << " time: "        << Limits.time[pos.side_to_move()]
           << " increment: "   << Limits.inc[pos.side_to_move()]
           << " moves to go: " << Limits.movestogo
-          << endl;
+          << std::endl;
   }
 
   Threads.wake_up();
@@ -300,7 +299,7 @@ void Search::think() {
 
       StateInfo st;
       pos.do_move(RootMoves[0].pv[0], st);
-      log << "\nPonder move: " << move_to_san(pos, RootMoves[0].pv[1]) << endl;
+      log << "\nPonder move: " << move_to_san(pos, RootMoves[0].pv[1]) << std::endl;
       pos.undo_move(RootMoves[0].pv[0]);
   }
 
@@ -313,8 +312,8 @@ finalize:
       pos.this_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)
-       << " ponder "  << move_to_uci(RootMoves[0].pv[1], Chess960) << endl;
+  sync_cout << "bestmove " << move_to_uci(RootMoves[0].pv[0], Chess960)
+            << " ponder "  << move_to_uci(RootMoves[0].pv[1], Chess960) << sync_endl;
 }
 
 
@@ -400,7 +399,7 @@ namespace {
                 // Send full PV info to GUI if we are going to leave the loop or
                 // if we have a fail high/low and we are deep in the search.
                 if ((bestValue > alpha && bestValue < beta) || SearchTime.elapsed() > 2000)
-                    cout << uci_pv(pos, depth, alpha, beta) << endl;
+                    sync_cout << uci_pv(pos, depth, alpha, beta) << sync_endl;
 
                 // In case of failing high/low increase aspiration window and
                 // research, otherwise exit the fail high/low loop.
@@ -433,7 +432,7 @@ namespace {
         {
             Log log(Options["Search Log Filename"]);
             log << pretty_pv(pos, depth, bestValue, SearchTime.elapsed(), &RootMoves[0].pv[0])
-                << endl;
+                << std::endl;
         }
 
         // Filter out startup noise when monitoring best move stability
@@ -819,7 +818,7 @@ split_point_start: // At split points actual search starts from here
       if (SpNode)
       {
           moveCount = ++sp->moveCount;
-          lock_release(sp->lock);
+          sp->mutex.unlock();
       }
       else
           moveCount++;
@@ -829,9 +828,9 @@ split_point_start: // At split points actual search starts from here
           Signals.firstRootMove = (moveCount == 1);
 
           if (thisThread == Threads.main_thread() && SearchTime.elapsed() > 2000)
-              cout << "info depth " << depth / ONE_PLY
-                   << " currmove " << move_to_uci(move, Chess960)
-                   << " currmovenumber " << moveCount + PVIdx << endl;
+              sync_cout << "info depth " << depth / ONE_PLY
+                        << " currmove " << move_to_uci(move, Chess960)
+                        << " currmovenumber " << moveCount + PVIdx << sync_endl;
       }
 
       isPvMove = (PvNode && moveCount <= 1);
@@ -885,7 +884,7 @@ split_point_start: // At split points actual search starts from here
               && (!threatMove || !connected_threat(pos, move, threatMove)))
           {
               if (SpNode)
-                  lock_grab(sp->lock);
+                  sp->mutex.lock();
 
               continue;
           }
@@ -900,7 +899,7 @@ split_point_start: // At split points actual search starts from here
           if (futilityValue < beta)
           {
               if (SpNode)
-                  lock_grab(sp->lock);
+                  sp->mutex.lock();
 
               continue;
           }
@@ -910,7 +909,7 @@ split_point_start: // At split points actual search starts from here
               && pos.see_sign(move) < 0)
           {
               if (SpNode)
-                  lock_grab(sp->lock);
+                  sp->mutex.lock();
 
               continue;
           }
@@ -974,7 +973,7 @@ split_point_start: // At split points actual search starts from here
       // Step 18. Check for new best move
       if (SpNode)
       {
-          lock_grab(sp->lock);
+          sp->mutex.lock();
           bestValue = sp->bestValue;
           alpha = sp->alpha;
       }
@@ -1670,12 +1669,12 @@ void Thread::idle_loop() {
           }
 
           // Grab the lock to avoid races with Thread::wake_up()
-          lock_grab(sleepLock);
+          mutex.lock();
 
           // If we are master and all slaves have finished don't go to sleep
           if (sp_master && !sp_master->slavesMask)
           {
-              lock_release(sleepLock);
+              mutex.unlock();
               break;
           }
 
@@ -1684,9 +1683,9 @@ void Thread::idle_loop() {
           // in the meanwhile, allocated us and sent the wake_up() call before we
           // had the chance to grab the lock.
           if (do_sleep || !is_searching)
-              cond_wait(sleepCond, sleepLock);
+              sleepCondition.wait(mutex);
 
-          lock_release(sleepLock);
+          mutex.unlock();
       }
 
       // If this thread has been assigned work, launch a search
@@ -1694,12 +1693,12 @@ void Thread::idle_loop() {
       {
           assert(!do_sleep && !do_exit);
 
-          lock_grab(Threads.splitLock);
+          Threads.mutex.lock();
 
           assert(is_searching);
           SplitPoint* sp = curSplitPoint;
 
-          lock_release(Threads.splitLock);
+          Threads.mutex.unlock();
 
           Stack ss[MAX_PLY_PLUS_2];
           Position pos(*sp->pos, this);
@@ -1707,7 +1706,7 @@ void Thread::idle_loop() {
           memcpy(ss, sp->ss - 1, 4 * sizeof(Stack));
           (ss+1)->sp = sp;
 
-          lock_grab(sp->lock);
+          sp->mutex.lock();
 
           if (sp->nodeType == Root)
               search<SplitPointRoot>(pos, ss+1, sp->alpha, sp->beta, sp->depth);
@@ -1738,7 +1737,7 @@ void Thread::idle_loop() {
           // related data in a safe way becuase it could have been released under
           // our feet by the sp master. Also accessing other Thread objects is
           // unsafe because if we are exiting there is a chance are already freed.
-          lock_release(sp->lock);
+          sp->mutex.unlock();
       }
   }
 }
@@ -1754,7 +1753,7 @@ void check_time() {
 
   if (lastInfoTime.elapsed() >= 1000)
   {
-      lastInfoTime.restart();
+      lastInfoTime = Time::current_time();
       dbg_print();
   }