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wudai

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==================================================
program main

        include 'mpif.h'
        implicit none
        integer i,ierr,rc,namelen,num,l,m
        character(MPI_MAX_PROCESSOR_NAME) name

        call MPI_INIT(ierr)
        call MPI_COMM_RANK(MPI_COMM_WORLD,i,ierr)
        call MPI_COMM_SIZE(MPI_COMM_WORLD,num,ierr)
        call MPI_GET_PROCESSOR_NAME(name,namelen,ierr)

       write(*,"('hello world !  processor',I2,' of ',I1,' on ',20A)" i,num,name

        call MPI_FINALIZE(rc)
end program main
==================================================

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