Pavan Balaji Darius Buntinas David Goodell William Gropp Torsten Hoefler Sameer Kumar 0001 Ewing L. Lusk Rajeev Thakur Jesper Larsson Träff Mpi on millions of Cores. 45-60 2011 21 Parallel Processing Letters 1 http://dx.doi.org/10.1142/S0129626411000060 db/journals/ppl/ppl21.html#BalajiBGGHKLTT11