[mpich2-dev] translating process ranks

[David Fiala]

Thomas,

I've found that using the combination of MPI_Comm_group with
MPI_Group_translate_ranks works for this purpose.

-David Fiala

On Wed, Dec 15, 2010 at 4:43 PM, Thomas Ropars <thomas.ropars at inria.fr> wrote:
> Hi,
>
> Is there a function in mpich2 that can takes as input a communicator and a
> rank provides as output the rank of the process in MPI_COMM_WORLD?
> If not, what would be the easiest way to do it ?
>
> Regards,
> Thomas
>