Decrease the number of messages to use for same reason as the decrease in manyPuts -- the device does not support having too many messages in the send WR QP

Author: KADichev

src/MPI/ibverbs.t.cpp

@@ -185,7 +185,7 @@ TEST( IBVerbs, getAllToAll )
     comm.barrier();
     IBVerbs verbs( comm );
 
-    const int H = 1000.3 * nprocs;
+    const int H = 100.3 * nprocs;
 
     std::vector< int > a(H);
     std::vector< int > b(H);