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.\" Copyright (c) 2015      University of Houston.  All rights reserved.
.\" Copyright (c) 2015      Mellanox Technologies, Inc.
.\" $COPYRIGHT$
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.TH "SHMEM\\_N\\_PES" "3" "Sep 30, 2023" "4.1.6" "Open MPI"
.SH NAME

num_pes, _num_pes, shmem_n_pes \- Returns the number of processing elements (PEs) used to run the application.
.SH SYNOPSIS

C or C++:
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#include <mpp/shmem.h>
int _num_pes (void);
int shmem_n_pes (void);
.Ve
Fortran:
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include 'mpp/shmem.fh'
I = NUM_PES ()
I = SHMEM_N_PES ()
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.SH DESCRIPTION

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

\fIintro_shmem\fP(3),
\fIshmem_my_pe\fP(3),
\fIshmem_init\fP(3)