CentOS ForTran与MPI的集成方法

?CentOS?????Fortran?MPI(Message Passing Interface)?????????????????????:

1. ??MPI?

??,????CentOS?????MPI?????MPI????MPICH?OpenMPI??????MPICH???:

??MPICH

1. ?????MPICH:

   wget http://www.mpich.org/static/downloads/3.2/mpich-3.2.1.tar.gz
   tar -xzvf mpich-3.2.1.tar.gz -C /home/mpiuser/mpich/
   cd /home/mpiuser/mpich/mpich-3.2.1/
   

2. ?????:

   ./configure --prefix=/home/mpiuser/mpich
   make && make install
   

3. ??????: ??~/.bashrc??,??????:

   export PATH=/home/mpiuser/mpich/bin:$PATH
   export LD_LIBRARY_PATH=/home/mpiuser/mpich/lib:$LD_LIBRARY_PATH
   

   ???????????:

   source ~/.bashrc
   

2. ??Fortran??

??Fortran???(?gfortran?ifort)??MPI???????????????:

program hello_world_mpi
    use mpi
    implicit none
    integer :: process_rank, size_of_cluster, ierror

    call mpi_init(ierror)
    call mpi_comm_size(mpi_comm_world, size_of_cluster, ierror)
    call mpi_comm_rank(mpi_comm_world, process_rank, ierror)

    print *, 'Hello world from process:', process_rank

    call mpi_finalize(ierror)
end program hello_world_mpi

3. ??MPI??

??mpirun?mpiexec?????????????:

mpirun -np  ./hello_world_mpi

????mpiexec:

mpiexec -np  ./hello_world_mpi

4. ???????

???????,????????:

1. ??????: ??/etc/hosts??,??????????ping??

2. ??SSH?????: ????????SSH??,????????????

   ssh-keygen -t rsa
   ssh-copy-id mpiuser@other_node
   

5. ???????

???????mpirun?mpiexec??,??????:

mpirun -np  -host node1,node2,node3 ./hello_world_mpi

????

• Fortran ????(OMP?MPI)
• Linux????MPI??????
• MPI??

??????,????CentOS???????Fortran?MPI,??????????