Use minimumSplitDepth = 5

[stockfish] / src / thread.cpp

diff --git a/src/thread.cpp b/src/thread.cpp
index a715d44ee17b2e5844e4be101b246041e9bc9c7d..c73f55660330545d300857b2874287fd54b21563 100644 (file)
--- a/src/thread.cpp
+++ b/src/thread.cpp
@@ -38,9 +38,9 @@ namespace {
  // when start_routine (and hence virtual idle_loop) is called and when joining.
 
  template<typename T> T* new_thread() {
-   T* th = new T();
-   th->nativeThread = std::thread(&ThreadBase::idle_loop, th); // Will go to sleep
-   return th;
+   std::thread* th = new T;
+   *th = std::thread(&T::idle_loop, (T*)th); // Will go to sleep
+   return (T*)th;
  }
 
  void delete_thread(ThreadBase* th) {
@@ -50,7 +50,7 @@ namespace {
    th->mutex.unlock();
 
    th->notify_one();
-   th->nativeThread.join(); // Wait for thread termination
+   th->join(); // Wait for thread termination
    delete th;
  }
 
@@ -61,7 +61,7 @@ namespace {
 
 void ThreadBase::notify_one() {
 
-  std::unique_lock<Mutex>(this->mutex);
+  std::unique_lock<Mutex> lk(mutex);
   sleepCondition.notify_one();
 }
 
@@ -299,9 +299,12 @@ void ThreadPool::init() {
 void ThreadPool::exit() {
 
   delete_thread(timer); // As first because check_time() accesses threads data
+  timer = nullptr;
 
   for (Thread* th : *this)
       delete_thread(th);
+
+  clear(); // Get rid of stale pointers
 }
 
 
@@ -320,7 +323,7 @@ void ThreadPool::read_uci_options() {
 
   // If zero (default) then set best minimum split depth automatically
   if (!minimumSplitDepth)
-      minimumSplitDepth = requested < 8 ? 4 * ONE_PLY : 7 * ONE_PLY;
+      minimumSplitDepth =  5 * ONE_PLY ;
 
   while (size() < requested)
       push_back(new_thread<Thread>());
@@ -353,8 +356,6 @@ void ThreadPool::start_thinking(const Position& pos, const LimitsType& limits,
                                 StateStackPtr& states) {
   main()->join();
 
-  SearchTime = now(); // As early as possible
-
   Signals.stopOnPonderhit = Signals.firstRootMove = false;
   Signals.stop = Signals.failedLowAtRoot = false;