>Thanks for your reply.
>If i try your suggestion, every process fails with the following message:
>*** The MPI_Init() function was called before MPI_INIT was invoked.
That's a funny error message. If you search the OMPI users mail list
archives, this message shows up, but I didn't spend long enough to see
if those e-mails are actually relevant to your inquiry or whether they
>*** This is disallowed by the MPI standard.
>*** Your MPI job will now abort.
>[aim-triops:15460] Abort before MPI_INIT completed successfully; not
>able to guarantee that all other processes were killed!
>I think this is caused by the fact that on the 64Bit machine Open MPI
>is also built as a 64 bit application.
>How can i force OpenMPI to be built as a 32Bit application on a 64Bit machine?