High Performance Computing 1
MPI_Cart_create
integer
dims(2)
logical
isperiodic(2), reorder
dims(1)=3
dims(2)=3
isperiodic(1)=.false.
isperiodic(2)=.false.
reorder=.true.
ndim=2
call
MPI_CART_CREATE(MPI_COMM_WORLD, ndim, dims, isperiodic, reorder, comm2d, ierr)
new communicator