Name
HPL_barrier Barrier operation.
Synopsis
#include "hpl.h"
int
HPL_barrier(
MPI_Comm
COMM
);
Description
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.
Arguments
COMM    (global/local input)          MPI_Comm
        The MPI communicator identifying the process collection.
See Also
HPL_broadcast,
HPL_reduce,
HPL_all_reduce,
HPL_min,
HPL_max,
HPL_sum.