William D. Gropp. MPI and Hybrid Programming Models for Petascale Computing. In Alexey L. Lastovetsky, Tahar Kechadi, Jack Dongarra, editors, Recent Advances in Parallel Virtual Machine and Message Passing Interface, 15th European PVM/MPI Users Group Meeting, Dublin, Ireland, September 7-10, 2008. Proceedings. Volume 5205 of Lecture Notes in Computer Science, pages 6-7, Springer, 2008. [doi]