[mpich-discuss] Combining Communicators

[Rajeev Thakur]

You could do an MPI_Intercomm_merge on the intercommunicator to get an intracommunicator comprising everyone.


On Feb 7, 2012, at 12:52 PM, Umit wrote:

> Hello all, 
> 
> I have some existing processes and I am adding some new processes with mpi_comm_spawn. I want to combine all these processes in a new communicator and send them all data with MPI_scatter. 
> 
> Is this possible? If yes how? 
> 
> Thanks in Advance, 
> 
> 
> 
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