• mpiXX

  > mpif77 -o my_pgm my_pgm.f

  • Different compilers?
  • Different communication libraries?
• library-path

  > pgf90 -o my_pgm -I/usr/local/lam/include \ my_pgm.c -L/usr/local/lam/lib \ -llamf77mpi -lmpi -llam

• NCE

  > pgf90 -Nlam -o my_pgm my_pgm.c

  • adds a identification symbol to the binary

National Supercomputer Center