Fortran and C
•include
mpif.h
•Call
MPI_xxx(…,ierr)
•Case insensitive
•Array
storage column major
•a(1,1),a(2,1),a(3,1)…contiguous
•#include
mpi.h
•rc =
mpi_xxx(….)
• rc = MPI_SUCCESS
•Case sensitive
•Array
storage row major
•a(1,1),a(1,2),a(1,3)…contiguous