Fabrizio Petrini Salvador Coll Eitan Frachtenberg Adolfy Hoisie Hardware- and Software-Based Collective Communication on the Quadrics Network. 24-35 2001 conf/nca/2001 NCA http://doi.ieeecomputersociety.org/10.1109/NCA.2001.962513 db/conf/nca/nca2001.html#PetriniCFH01