Improve behaviour of OpenMP matching

amgprec/impl/aggregator/processExposedVertex.cpp

@@ -113,7 +113,9 @@ void PARALLEL_PROCESS_EXPOSED_VERTEX_B(MilanLongInt NLVer,
 
             } // End of if(w >=0)
             else  {
-	      // This piece of code is executed a really small amount of times
+#pragma omp critical(adjuse)
+	      {
+		// This piece of code is executed a really small number of times
 		adj11 = verLocPtr[v];
 		adj12 = verLocPtr[v + 1];
 		for (k1 = adj11; k1 < adj12; k1++) {
@@ -140,6 +142,7 @@ void PARALLEL_PROCESS_EXPOSED_VERTEX_B(MilanLongInt NLVer,
 		  } // End of if(GHOST)
 		}     // End of for loop
 	      }
+            }
             // End:   PARALLEL_PROCESS_EXPOSED_VERTEX_B(v)
 
             switch (option)

amgprec/impl/aggregator/queueTransfer.cpp

@@ -17,8 +17,6 @@ void queuesTransfer(vector<MilanLongInt> &U,
         U.insert(U.end(), privateU.begin(), privateU.end());
     }
 
-    privateU.clear();
-
 #pragma omp critical(sendMessageTransfer)
     {
 
@@ -28,6 +26,7 @@ void queuesTransfer(vector<MilanLongInt> &U,
         QOwner.insert(QOwner.end(), privateQOwner.begin(), privateQOwner.end());
     }
 
+    privateU.clear();
     privateQLocalVtx.clear();
     privateQGhostVtx.clear();
     privateQMsgType.clear();