Euro-PAR 2011 parallel processing workshops : CCPI, CGWS, HeteroPar, HiBB, HPCVirt, HPPC, HPSS, MDGS, ProPer, Resilience, UCHP, VHPC, Bordeaux, France, August 20-September 2, 2011 : revised and selected papers / - Alexander, Michael, (Springer,, 2012)