shmem_n_pes.openmpi.3

       2003-2025, The Open MPI Community

                                                  Jun 07, 2025                                    SHMEM_N_PES(3)

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

       SEEALSO:intro_shmem(3) shmem_my_pe(3) shmem_init(3)

       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 ()