| _NUM_PES(3) | Open MPI | _NUM_PES(3) |
_num_pes, _num_pes shmem_n_pes <#shmem-n-pes> - Returns the number of processing elements (PEs) used to run the application.
SYNOPSIS
C or C++:
#include <mpp/shmem.h> int _num_pes (void) int shmem_n_pes (void)
Fortran:
include 'mpp/shmem.fh' I = NUM_PES () I = SHMEM_N_PES ()
DESCRIPTION
num_pes() or shmem_n_pes() return the total number of PEs running in an application.
See also:
Copyright
2003-2026, The Open MPI Community
| October 30, 2026 |