%0 Journal Article %J DOE SciDAC Review (to appear) %D 2007 %T Creating Software Technology to Harness the Power of Leadership-class Computing Systems %A John Mellor-Crummey %A Pete Beckman %A Jack Dongarra %A Barton Miller %A Katherine Yelick %B DOE SciDAC Review (to appear) %8 2007-06 %G eng