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Broadcast

C: 

int MPI_Bcast(void *buffer, int count,
              MPI_Datatype datatype,
              int root, MPI_Comm comm);

Fortran: 

subroutine MPI_Bcast (buffer, count, datatype,
                      root, comm, ierror)

<type> buffer(*)
integer count, datatype, root, comm, ierror

 

root is the rank of the broadcaster.

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