mpi.comm.inter: MPI\_Comm\_get\_parent, MPI\_Comm\_remote\_size,...

Description Usage Arguments Value Author(s) References See Also

Description

mpi.comm.get.parent is mainly used by slaves to find the intercommunicator or the parent who spawns them. The intercommunicator is saved in the specified comm number.

mpi.comm.remote.size is mainly used by master to find the total number of slaves spawned.

mpi.comm.test.inter tests if a comm is an intercomm or not.

Usage

1
2
3

Arguments

comm

an intercommunicator number.

Value

mpi.comm.get.parent and mpi.comm.test.inter return 1 if success and 0 otherwise.

mpi.comm.remote.size returns the total number of members in the remote group in an intercomm.

Author(s)

Hao Yu

References

http://www.lam-mpi.org/, http://www-unix.mcs.anl.gov/mpi/www/www3/

See Also

mpi.intercomm.merge



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