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).