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Subject: Re: [OMPI users] Invalid Info object in MPI_Comm_spawn_multiple
From: Ralph Castain (rhc_at_[hidden])
Date: 2009-08-17 11:33:37


We tried to make the most common info_keys the same, but there can be
differences. What info keys are you trying to pass?

2009/8/17 Federico Golfrè Andreasi <federico.golfre_at_[hidden]>

> Hi!
>
> I have a little code that uses the MPI_Comm_spawn_multiple,
> I've used it without any problems with the MPICH2 and MVAPICH2
> implementation of MPI-2,
> but with the Open MPI v1.3.3 it throws this error:
>
> *** An error occurred in MPI_Comm_spawn_multiple
> *** on communicator MPI_COMM_WORLD
> *** MPI_ERR_INFO: invalid info object
> *** MPI_ERRORS_ARE_FATAL (your MPI job will now abort)
>
> and I've seen on
> http://www.mpi-forum.org/docs/mpi21-report-bw/node204.htm#Node204
> that the MPI_Info object keys depend on the implementation.
>
> Does the OpenMPI have a different implementation in respect of the
> MPICH/MVAPICH?
> What I have to change in order to make it run?
> Or the problem is elsewhere located?
>
> Thank you very much,
> Federico Golfrè Andreasi
>
>
>
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