X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fthread.cpp;h=02cb45629dff48b8048890911139efe0eae5d46a;hp=b8571dcd20283c9b9b7ef502559e7ca91ff05db5;hb=d65f75c1532536f11a2dfbc0263c55e1beb88c2b;hpb=f8f5dcbb682830a66a37f68f3c192bbbfc84a33a

diff --git a/src/thread.cpp b/src/thread.cpp
index b8571dcd..02cb4562 100644
--- a/src/thread.cpp
+++ b/src/thread.cpp
@@ -154,7 +154,9 @@ void Thread::split(Position& pos, Stack* ss, Value alpha, Value beta, Value* bes
 
   sp.masterThread = this;
   sp.parentSplitPoint = activeSplitPoint;
+  sp.spLevel = activeSplitPoint ? activeSplitPoint->spLevel + 1 : 0;
   sp.slavesMask = 0, sp.slavesMask.set(idx);
+  sp.slavesCount = 1;
   sp.depth = depth;
   sp.bestValue = *bestValue;
   sp.bestMove = *bestMove;
@@ -182,9 +184,11 @@ void Thread::split(Position& pos, Stack* ss, Value alpha, Value beta, Value* bes
 
   Thread* slave;
 
-  while ((slave = Threads.available_slave(this)) != NULL)
+  while (    sp.slavesCount < MAX_SLAVES_PER_SPLITPOINT 
+         && (slave = Threads.available_slave(this)) != NULL)
   {
       sp.slavesMask.set(slave->idx);
+      sp.slavesCount++;
       slave->activeSplitPoint = &sp;
       slave->searching = true; // Slave leaves idle_loop()
       slave->notify_one(); // Could be sleeping