[This is preliminary documentation and is subject to change.]

The Communicator type exposes the following fields.

Fields

  NameDescription
anySource
Special value for the source argument to Receivec> that indicates that the message can be received from any process in the communicator.
anyTag
Special value for the tag argument to Receive that indices that the message with any tag can be received by the receive operation.
self
The "self" communicator is a simple communicator that contains only the currently-executing process.
world
The "world" communicator contains all of the processes that were originally created by MPI.

See Also