1. A computer apparatus, said computer apparatus comprising, a first processor, said first processor having first memory associated therewith, said first processor and said first memory being a first physical node; a second processor, said second processor having second memory associated therewith, said second processor and said second memory being a second physical node; a thread, said thread being capable of executing on either of said physical nodes; and a logical node, said logical node being specified when said thread is created, said logical node being converted to said first physical node or to said second physical node such that said thread can be provided with nodal affinity for a specified node without the need to specify a particular physical node.