1. Department of Computer Science, University of Kentucky, Lexington, KY, USA
2. Department of Computer Science, University of Alabama at Birmingham, Birmingham, AL, USA
3. Mathematics and Computer Science Division, Argonne National Laboratory, Lemont, IL, USA
4. Facebook Inc., Menlo Park, CA, USA
5. Cerebras Systems, Sunnyvale, CA, USA
6. Department of Computer Science, Indiana University, Bloomington, IN, USA
7. Advanced Photon Source, Argonne National Laboratory, Lemont, IL, USA
8. Holcombe Department of Electrical and Computer Engineering, Clemson University, Clemson, SC, USA
9. Department of Computer Science & Engineering, University of California, Riverside, Riverside, CA, USA