PPT Slide

Running MPI Code

• Do not use mpirun!

• poe mycode -procs 4

• file re-direction:
  poe mycode < myin > myout -procs 4
  
  • note: no quotes

• a useful flag: -labelio yes labels output with process number (0, 1, 2, …)
  • also setenv MP_LABELIO yes

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