Quantifying Performance Benefits of Overlap using MPI-2 in a Seismic Modeling Application S. Potluri, P. Lai, K. Tomko, S. Sur, Y. Cui, M. Tatineni, K. Schulz, W. Barth, A. Majumdar, D. Panda 24th International Conference on Supercomputing (ICS), Jun 2010.