HP MLIB User's Guide Vol. 2 7th Ed.

Chapter 14 METIS Routines 983
Partitions a graph mlib_METIS_WPartGraphKway
Notes This function should be used to partition a graph into a large number of
partitions (greater than 8). If a small number of partitions is desired, the
mlib_METIS_WPartGraphRecursive routine should be used instead, as it
produces somewhat better partitions.