HPL_grid_exit - Exit process grid.
int HPL_grid_exit( HPL_T_grid * GRID );
marks the process grid object for deallocation. The
returned error code MPI_SUCCESS indicates successful completion. Other error
codes are (MPI) implementation dependent.
- GRID (local input/output) HPL_T_grid *
- On entry, GRID points to the data structure containing the process grid to