Rmpi (version 0.7-2.1)

mpi.get.sourcetag: Utility for finding the source and tag of a received message

Description

mpi.get.sourcetag finds the source and tag of a received message.

Usage

mpi.get.sourcetag(status = 0)

Value

2 dim int vector. The first integer is the source and the second is the tag.

Arguments

status

a status number

Author

Hao Yu

Details

When mpi.any.source and/or mpi.any.tag are used by mpi.recv or mpi.probe, one can use mpi.get.sourcetag to find who sends the message or with what a tag number. mpi.get.sourcetag must be called immediately after calling mpi.recv or mpi.probe otherwise the obtained information may not be right.

References

https://www.open-mpi.org/

See Also

mpi.send, mpi.recv, mpi.probe, mpi.get.count