MPI_Cart_sub(3) on Linux
The text 2101467cf43c, as Debian 9 (Stretch) shipped it.
Partitions a communicator into subgroups which form lower-dimensional cartesian subgrids
The text 2101467cf43c, as Debian 9 (Stretch) shipped it.
Partitions a communicator into subgroups which form lower-dimensional cartesian subgrids