%0 Journal Article %J IPDPS 2012 (Best Paper) %D 2012 %T HierKNEM: An Adaptive Framework for Kernel-Assisted and Topology-Aware Collective Communications on Many-core Clusters %A Teng Ma %A George Bosilca %A Aurelien Bouteiller %A Jack Dongarra %B IPDPS 2012 (Best Paper) %C Shanghai, China %8 2012-05 %G eng