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HPL_barrier(3) HPL Library Functions HPL_barrier(3)
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 (3), HPL_reduce (3), HPL_all_reduce (3), HPL_min (3),
HPL_max (3), HPL_sum (3).
HPL 2.1 October 26, 2012 HPL_barrier(3)