%0 Generic %D 2011 %T Hierarchical QR Factorization Algorithms for Multi-Core Cluster Systems %A Jack Dongarra %A Mathieu Faverge %A Thomas Herault %A Julien Langou %A Yves Robert %K magma %K plasma %B University of Tennessee Computer Science Technical Report (also Lawn 257) %8 2011-10 %G eng