Use minimumSplitDepth = 5

[stockfish] / src / thread.cpp

diff --git a/src/thread.cpp b/src/thread.cpp
index ef5ae857e30580822b5c05cf2406a413a6eb05f6..c73f55660330545d300857b2874287fd54b21563 100644 (file)
--- a/src/thread.cpp
+++ b/src/thread.cpp
@@ -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;