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R
Rmpi

mpi.cart.rank

MPI\_Cart\_rank

Description

mpi.cart.rank translates a Cartesian topology coordinate to its rank.

Usage

mpi.cart.rank(comm=3, coords)

Arguments

comm

Communicator with Cartesian structure
coords

Specifies the Cartesian coordinates of a process

Details

For a process group with a Cartesian topology, this function translates the logical process coordinates to process ranks as they are used by the point-to-point routines. It is the inverse map of mpi.cart.coords.

Value

mpi.cart.rank returns the rank of the specified process.

Author(s)

Alek Hunchak and Hao Yu

References

See Also

Examples

#Need at least 9 slaves
mpi.bcast.cmd(mpi.cart.create(1,c(3,3),c(F,T)))
mpi.cart.create(1,c(3,3),c(F,T))
mpi.cart.rank(3,c(1,0))
Rmpi

Interface (Wrapper) to MPI (Message-Passing Interface)

v0.6-9.1
GPL (>= 2)
Authors
Hao Yu [aut]
Initial release
2021-02-22

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