X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fthread.cpp;h=71b9ce0c091412e6424791c1e38bd4553fc04f7c;hp=51b250273e58f55ead15dab783883eef4737a0f7;hb=8ceef922662c75c33d105d99732475c125b01081;hpb=c5ec94d0f1b128fc2c691c7231663a345409d5cc diff --git a/src/thread.cpp b/src/thread.cpp index 51b25027..71b9ce0c 100644 --- a/src/thread.cpp +++ b/src/thread.cpp @@ -303,28 +303,28 @@ void Thread::split(Position& pos, Stack* ss, Value alpha, Value beta, Value* bes slave->notify_one(); // Could be sleeping } - sp.mutex.unlock(); - Threads.mutex.unlock(); - // Everything is set up. The master thread enters the idle loop, from which // it will instantly launch a search, because its 'searching' flag is set. // The thread will return from the idle loop when all slaves have finished // their work at this split point. if (slavesCnt > 1 || Fake) { + sp.mutex.unlock(); + Threads.mutex.unlock(); + Thread::idle_loop(); // Force a call to base class idle_loop() // In helpful master concept a master can help only a sub-tree of its split // point, and because here is all finished is not possible master is booked. assert(!searching); assert(!activePosition); - } - // We have returned from the idle loop, which means that all threads are - // finished. Note that setting 'searching' and decreasing splitPointsSize is - // done under lock protection to avoid a race with Thread::is_available_to(). - Threads.mutex.lock(); - sp.mutex.lock(); + // We have returned from the idle loop, which means that all threads are + // finished. Note that setting 'searching' and decreasing splitPointsSize is + // done under lock protection to avoid a race with Thread::is_available_to(). + Threads.mutex.lock(); + sp.mutex.lock(); + } searching = true; splitPointsSize--; @@ -371,10 +371,10 @@ void ThreadPool::start_thinking(const Position& pos, const LimitsType& limits, SetupStates = states; // Ownership transfer here RootMoves.clear(); - for (MoveList ml(pos); !ml.end(); ++ml) + for (MoveList it(pos); !it.end(); ++it) if ( searchMoves.empty() - || std::count(searchMoves.begin(), searchMoves.end(), ml.move())) - RootMoves.push_back(RootMove(ml.move())); + || std::count(searchMoves.begin(), searchMoves.end(), *it)) + RootMoves.push_back(RootMove(*it)); main_thread()->thinking = true; main_thread()->notify_one(); // Starts main thread