@misc{hoefler-mpi-forum-coll_wg-april-slides, author={Torsten Hoefler and Andrew Lumsdaine}, title={{MPI-3 Collective Working Group - April'08 Meeting}}, institution={Indiana University}, year={2008}, month={Apr.}, location={Chicago, IL, USA}, note={Slides with proposals to the MPI-3 collective WG, all preliminary, published on request}, }