...{mcinnes,norris}@mcs.anl.gov

Research at Argonne National Laboratory was supported in part by the Mathematical, Information, and Computational Sciences Division subprogram of the Office of Advanced Scientific Computing Research, Office of Science, U.S. Dept. of Energy, under Contract W-31-109-ENG-38.

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...{rob,jairay}@sandia.gov

Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the U.S. Dept. of Energy's National Nuclear Security Administration under Contract DE-AC04-94AL85000.

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...{bernholdtde,elwasifwr}@ornl.gov

Oak Ridge National Laboratory is managed by UT-Battelle, LLC for the U.S. Dept. of Energy under contract DE-AC-05-00OR22725.

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...{malony,sameer}@cs.uoregon.edu

Research at the University of Oregon is sponsored by contracts (DEFG03-01ER25501 and DE-FG02-03ER25561) from the MICS program of the U.S. Dept. of Energy, Office of Science.

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