In a dynamically connected client/server-style application, where the server uses MPI_OPEN_PORT/MPI_COMM_ACCEPT and the client uses MPI_COMM_CONNECT, what will be the communication method (BTL) chosen by OMPI? Will the communication thru the resultant inter-communicator use TCP, or will OMPI choose the best possible method (e.g. sm if the client and the server are on the same node)?




Jacob M. Katz | jacob.katz@intel.com | Work: +972-4-865-5726 | iNet: (8)-465-5726


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