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R
Rmpi

mpi.cart.coords

MPI\_Cart\_coords

Description

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

Usage

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

Arguments

comm

Communicator with Cartesian structure
rank

rank of a process within group
maxdims

length of vector coord in the calling program

Details

This function is the rank-to-coordinates translator. It is the inverse map of mpi.cart.rank. maxdims is at least as big as ndims as returned by mpi.cartdim.get.

Value

mpi.cart.coords returns an integer array containing the Cartesian coordinates of 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.coords(3,4,2)
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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