Hernandez, O. [P:(DE-HGF)0] ; Song, F. [P:(DE-HGF)0] ; Chapman, B. [P:(DE-HGF)0] ; Dongarra, J. [P:(DE-HGF)0] ; Mohr, B. [P:(DE-Juel1)132199] ; Moore, S. [P:(DE-HGF)0] ; Wolf, F. [P:(DE-Juel1)VDB1927]