Computer and Computational Sciences, Los Alamos National Laboratory, Los Alamos, NM 87545, USA. joslyn@lanl.gov|Computer and Computational Sciences, Los Alamos National Laboratory, Los Alamos, NM 87545, USA. joslyn@lanl.gov|Computer and Computational Sciences, Los Alamos National Laboratory, Los Alamos, NM 87545, USA. joslyn@lanl.gov|Computer and Computational Sciences, Los Alamos National Laboratory, Los Alamos, NM 87545, USA. joslyn@lanl.gov