1. Center for Exascale Monte Carlo Neutron Transport, Corvallis, OR, USA
2. School of Mechanical, Industrial, and Manufacturing Engineering, Oregon State University, Corvallis, OR, USA
3. School of Electrical Engineering and Computer Science, Oregon State University, Corvallis, OR, USA
4. Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, IN, USA
5. Department of Nuclear Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
6. School of Nuclear Science and Engineering, Oregon State University, Corvallis, OR, USA