>
> Hello:
>
Hi
> I am trying to execute an MPI program on a 4-node AMD Opteron Beowulf
> cluster running Fedora Core 3. We have installed LAM/MPI 7.1.1. The MPI
> program (arps) is written in Fortran and needs to read a Namelist file
> that is redirected to standard input. For some reason, the
> straightforward approach:
>
> mpirun -np 16 n0,1,2,3 arps < arps.input > arps.output
apparently the arguments " < arps.input > arps.output" are received by
mpyrun and not for arps program.
this may be a problem of a shell program an not necessarily for mpirun
>
> is not effective: the program sits and waits for standard input. I do
> not have this problem when I run non-MPI programs, nor does this happen
> when
> I use MPICH. I have tried using the -w and -nw flags, but neither solves
> the problem.
>
> Any ideas?
>
> Eric Kemp
> Northrop Grumman IT TASC
>
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