Optimizing collective operations using direct memory access controller on a parallel computer, in one aspect, may comprise establishing a byte counter associated with a direct memory access controller for each submessage in a message. The byte counter includes at least a base address of memory and a...http://www.google.de/patents/US7886084?utm_source=gb-gplus-sharePatent US7886084 - Optimized collectives using a DMA on a parallel computer