openmpi/examples/hello_usempi.f90

29 lines
933 B
Fortran

!
! Copyright (c) 2004-2006 The Trustees of Indiana University and Indiana
! University Research and Technology
! Corporation. All rights reserved.
! Copyright (c) 2004-2005 The Regents of the University of California.
! All rights reserved.
! Copyright (c) 2006-2015 Cisco Systems, Inc. All rights reserved.
! $COPYRIGHT$
!
! Sample MPI "hello world" application using the Fortran mpi module
! bindings.
!
program main
use mpi
implicit none
integer :: ierr, rank, size, len
character(len=MPI_MAX_LIBRARY_VERSION_STRING) :: version
call MPI_INIT(ierr)
call MPI_COMM_RANK(MPI_COMM_WORLD, rank, ierr)
call MPI_COMM_SIZE(MPI_COMM_WORLD, size, ierr)
call MPI_GET_LIBRARY_VERSION(version, len, ierr)
write(*, '("Hello, world, I am ", i2, " of ", i2, ": ", a)') &
rank, size, version
call MPI_FINALIZE(ierr)
end