Euro-Par 2009, Parallel Processing - Workshops : HPPC, HeteroPar, PROPER, ROIA, UNICORE, VHPC, Delft, The Netherlands, August 25-28, 2009, Workshops - Hai-Xiang Lin, Michael Alexander, Martti Forsell, Andreas Knüpfer, Radu Prodan, Leonel Sousa, Achim Streit ((Lecture Notes in Computer Science))