Fixing bug with NBX_cnt

src/VCluster/VCluster.cpp

@@ -21,6 +21,22 @@ bool ofp_initialized = false;
 size_t tot_sent = 0;
 size_t tot_recv = 0;
 
+//! NBX has a potential pitfall that must be addressed,
+//! NBX Send all the messages and probe for incoming messages,
+//! if there is an incoming message it receive it producing
+//! an acknowledge notification on the sending processor.
+//! When all the sends has been acknowledged, the processor call the MPI_Ibarrier
+//! when all the processors call MPI_Ibarrier all send has been received.
+//! While the processors are waiting for the MPI_Ibarrier to complete, all processors
+//! are still probing for incoming message, Unfortunately some processor
+//! can quit the MPI_Ibarrier before others and this mean that some
+//! processor can exit the probing status before others, these processors can in theory
+//! start new communications while the other processor are still in probing status producing
+//! a wrong send/recv association to
+//! resolve this problem an incremental NBX_cnt is used as message TAG to distinguish that the
+//! messages come from other send or subsequent NBX procedures
+size_t NBX_cnt = 0;
+
 std::string program_name;
 
 #ifdef CUDA_GPU

src/VCluster/VCluster.hpp

@@ -30,6 +30,8 @@ extern CudaMemory rem_tmp2[MAX_NUMER_OF_PROPERTIES];
 
 #endif
 
+extern size_t NBX_cnt;
+
 void bt_sighandler(int sig, siginfo_t * info, void * ctx);
 
 /*! \brief Implementation of VCluster class

src/VCluster/VCluster_base.hpp

@@ -68,6 +68,8 @@ extern size_t tot_recv;
 
 ///////////////////// Post functions /////////////
 
+extern size_t NBX_cnt;
+
 template<typename T> void assign(T * ptr1, T * ptr2)
 {
 	*ptr1 = *ptr2;
@@ -124,22 +126,6 @@ class Vcluster_base
 	//! log file
 	Vcluster_log log;
 
-	//! NBX has a potential pitfall that must be addressed,
-	//! NBX Send all the messages and probe for incoming messages,
-	//! if there is an incoming message it receive it producing
-	//! an acknowledge notification on the sending processor.
-	//! When all the sends has been acknowledged, the processor call the MPI_Ibarrier
-	//! when all the processors call MPI_Ibarrier all send has been received.
-	//! While the processors are waiting for the MPI_Ibarrier to complete, all processors
-	//! are still probing for incoming message, Unfortunately some processor
-	//! can quit the MPI_Ibarrier before others and this mean that some
-	//! processor can exit the probing status before others, these processors can in theory
-	//! start new communications while the other processor are still in probing status producing
-	//! a wrong send/recv association to
-	//! resolve this problem an incremental NBX_cnt is used as message TAG to distinguish that the
-	//! messages come from other send or subsequent NBX procedures
-	size_t NBX_cnt;
-
 	//! temporal vector used for meta-communication
 	//! ( or meta-data before the real communication )
 	openfpm::vector<size_t> proc_com;
@@ -226,7 +212,6 @@ class Vcluster_base
 
 	//! disable copy constructor
 	Vcluster_base(const Vcluster_base &)
-	:NBX_cnt(0)
 	{};
 
 	void queue_all_sends(size_t n_send , size_t sz[],
@@ -306,7 +291,6 @@ public:
 	 *
 	 */
 	Vcluster_base(int *argc, char ***argv)
-	:NBX_cnt(0)
 	{
 		// reset NBX_Active