Lessons Learned Developing Performance-Portable QMCPACK

Lessons Learned Developing Performance-Portable QMCPACK

Exascale Computing Project via YouTube Direct link

Outline

2 of 23

2 of 23

Outline

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Lessons Learned Developing Performance-Portable QMCPACK

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  1. 1 Introduction
  2. 2 Outline
  3. 3 What is QMC
  4. 4 Goals
  5. 5 QMCPACK Code
  6. 6 Electron Count
  7. 7 GPU
  8. 8 Parallel Scalability
  9. 9 Main Operations
  10. 10 Mini QMC
  11. 11 Algorithmic Challenges
  12. 12 ASLA Approach
  13. 13 New Approach
  14. 14 Real World Results
  15. 15 Delayed Update
  16. 16 Development Approach
  17. 17 Version Control
  18. 18 Return on Investment
  19. 19 Real World Problems
  20. 20 Performance
  21. 21 Challenges
  22. 22 Conclusion
  23. 23 Questions

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