HPL_barrier man page
HPL_barrier — Barrier operation.
int HPL_barrier( MPI_Comm COMM );
HPL_barrier blocks the caller until all process members have call it. The call returns at any process only after all group members have entered the call.
- COMM (global/local input) MPI_Comm
The MPI communicator identifying the process collection.
HPL_broadcast (3), HPL_reduce (3), HPL_all_reduce (3), HPL_min (3), HPL_max (3), HPL_sum (3).