man _num_pes (3): Returns the number of processing elements (PEs) used to run the application.

_num_pes(3) Returns the number of processing elements (PEs) used to run the application.

Other Alias

num_pes, shmem_n_pes

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 ()

num_pes() or shmem_n_pes() return the total number of PEs running in an application.