1. Chair for Computer Science 10 (System Simulation), Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
2. Paderborn Center for Parallel Computing, Paderborn University, Paderborn, Germany
3. Department of Mathematics and Computer Science, University of Cologne, Köln, Germany
4. Center for Data and Simulation Science, University of Cologne, Köln, Germany
5. Institute for Applied Materials (IAM), Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
6. Erlangen National High Performance Computing Center (NHR@FAU), Erlangen, Germany
7. Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Eggenstein-Leopoldshafen, Germany
8. CERFACS, Toulouse Cedex 1, France