Communicator Management



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Communicator Management

communicator, manipulation  

This section describes the manipulation of communicators in MPI. Operations that access communicators are local and their execution does not require interprocess communication. Operations that create communicators are collective and may require interprocess communication. We describe the behavior of these functions, assuming that their comm argument is an intracommunicator; we describe later in Section gif their semantics for intercommunicator arguments.





Jack Dongarra
Fri Sep 1 06:16:55 EDT 1995