[MPICH] Changing the comm size at runtime

[Patrick Gräbel]

I guess this alternative excludes the usage of collective communication
like Bcast and Allgather, right?. It's more like handling a socket
connection where you can stream data, correct?

Greetings
Patrick

Rajeev Thakur wrote:
> You can try MPI_Comm_connect and MPI_Comm_accept. Independently started
> processes can connect with these functions and then communicate.
> 
> Rajeev