X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fthread.cpp;h=6eb00d63a649b463d6dc1edea86ee3fe51f6b72a;hp=2f1237a3b0c6b5b02b27636d9c3d78d02f31c84d;hb=3804effb341b3008326a1613923177eb83d02826;hpb=4e72e2a964754611de85536c13ae069f85839b85 diff --git a/src/thread.cpp b/src/thread.cpp index 2f1237a3..6eb00d63 100644 --- a/src/thread.cpp +++ b/src/thread.cpp @@ -52,6 +52,15 @@ Thread::~Thread() { stdThread.join(); } +/// Thread::bestMoveCount(Move move) return best move counter for the given root move + +int Thread::best_move_count(Move move) { + + auto rm = std::find(rootMoves.begin() + pvIdx, + rootMoves.begin() + pvLast, move); + + return rm != rootMoves.begin() + pvLast ? rm->bestMoveCount : 0; +} /// Thread::clear() reset histories, usually before a new game @@ -61,18 +70,22 @@ void Thread::clear() { mainHistory.fill(0); captureHistory.fill(0); - for (auto& to : continuationHistory) - for (auto& h : to) + for (bool inCheck : { false, true }) + for (StatsType c : { NoCaptures, Captures }) + for (auto& to : continuationHistory[inCheck][c]) + for (auto& h : to) h->fill(0); - continuationHistory[NO_PIECE][0]->fill(Search::CounterMovePruneThreshold - 1); + for (bool inCheck : { false, true }) + for (StatsType c : { NoCaptures, Captures }) + continuationHistory[inCheck][c][NO_PIECE][0]->fill(Search::CounterMovePruneThreshold - 1); } /// Thread::start_searching() wakes up the thread that will start the search void Thread::start_searching() { - std::lock_guard lk(mutex); + std::lock_guard lk(mutex); searching = true; cv.notify_one(); // Wake up the thread in idle_loop() } @@ -83,7 +96,7 @@ void Thread::start_searching() { void Thread::wait_for_search_finished() { - std::unique_lock lk(mutex); + std::unique_lock lk(mutex); cv.wait(lk, [&]{ return !searching; }); } @@ -103,7 +116,7 @@ void Thread::idle_loop() { while (true) { - std::unique_lock lk(mutex); + std::unique_lock lk(mutex); searching = false; cv.notify_one(); // Wake up anyone waiting for search finished cv.wait(lk, [&]{ return searching; }); @@ -139,6 +152,9 @@ void ThreadPool::set(size_t requested) { // Reallocate the hash with the new threadpool size TT.resize(Options["Hash"]); + + // Init thread number dependent search params. + Search::init(); } } @@ -192,7 +208,7 @@ void ThreadPool::start_thinking(Position& pos, StateListPtr& states, for (Thread* th : *this) { th->nodes = th->tbHits = th->nmpMinPly = 0; - th->rootDepth = th->completedDepth = DEPTH_ZERO; + th->rootDepth = th->completedDepth = 0; th->rootMoves = rootMoves; th->rootPos.set(pos.fen(), pos.is_chess960(), &setupStates->back(), th); }