[mpich-devel] find out what processes are on the same node

[Rob Latham]

On Wed, Jul 03, 2013 at 10:39:55AM -0500, Tatiana V. Martsinkevich wrote:
> Hello,
> 
> I have a couple of questions:
> 
> 1) is there a way to find out what other processes reside in the same
> node as my_rank from within MPICH?

MPI_GET_PROCESSOR_NAME might be what you are looking for.  

==rob

-- 
Rob Latham
Mathematics and Computer Science Division
Argonne National Lab, IL USA