High-performance computing : 6th international symposium, ISHPC 2005 Nara, Japan, September 7-9, 2005 and first international workshop on advanced low power systems, ALPS 2006 revised selected papers - International Symposium on High Performance Computing; International Workshop on Advanced Low Power Systems; Labarta, Jesús; 城, 和貴; 佐藤, 寿倫 (Lecture notes in computer science, 2008)