~/talk

OpenCAPI-based Image Analysis Pipeline for 18 GB/s kilohertz-framerate X-ray...

Talkat OpenPOWER Summit NA 2020 · on Tuesday, 2020-09-15
links:none on file
slides:none on file

A data pipeline ingests the Jungfrau detector stream, decodes per-pixel three-mode ADC values, and writes compressed frames into host memory; a CPU-only implementation tops out at 5 GB/s on CPU requiring four big servers, while an OpenCAPI + FPGA design (started with SNAP, moved to ocxl/oc_accel and HLS C/C++) reaches 18 GB/s with two FPGAs, uses ~35 W per FPGA, scales toward 50 GB/s, and already collects 2000 images in one second to solve a crystal.

AI-written summary · about

  1. 0:00Introduction
  2. 0:25Overview
  3. 0:57Xrays
  4. 2:29Xray crystallography
  5. 5:33Friction lasers
  6. 5:57Biological crystallography
  7. 7:50Xray detector
  8. 8:09Hybrid pixel detectors
  9. 9:02New megapixel detector
  10. 9:55Dynamic range
  11. 10:28Modes
  12. 11:36Light Source
  13. 12:20Data throughput
  14. 12:37Data transfer
  15. 13:44throughput
  16. 14:20Power9 Architecture
  17. 15:32Snap
  18. 17:08Energy efficiency
  19. 17:40Processing throughput
  20. 18:14Memory coherence
  21. 19:29Continuous integration pipeline
  22. 20:10Results
  23. 21:18Challenges
  24. 22:11Thank you
  25. 24:47Questions
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