~/talk

Khronos APIs for Heterogeneous Compute and Safety: SYCL and SYCL SC

on YouTube 58m
Talkat CppCon 2023 · on Thursday, 2023-10-05· at 16:45· Cottonwood 2/3, 6700 North Gaylord Rockies Boulevard· [kubernetes, embedded-and-hardware]

speakers

name:Michael S Wong
linkedin:mcwong2
name:Nevin Liber
links:none on file
name:Verena Beckham
links:none on file

resources

video:https://youtu.be/JHiBeuRqVkY
slides:none on file

summary

Khronos reports that conformance test completed for SYCL 2020 and major implementations exist (Intel DPC++, hip/Adaptive), with deployments on Argonne, Oak Ridge and Berkeley systems. SYCL 2020 ships explicit USM only today (pointer-based allocations, later shared/concurrent variants planned). A SYCL SC WG forms to target determinism, error handling and certification; an AUTOSAR demonstrator for automotive is underway. Remaining practical problems include runtime dynamic memory and exception nondeterminism and unclear buffer/accessor lifetime semantics.

AI-written summary · about

chapters (22)

  1. 0:00Khronos APIs for heterogeneous compute
  2. 1:12SYCL and ecosystem overview
  3. 3:39SYCL implementations and experiments
  4. 5:47Unified Shared Memory in SYCL 2020
  5. 10:00Performance portability with SYCL
  6. 11:05Unified Acceleration Foundation intro
  7. 13:15SYCL in supercomputing and labs
  8. 14:42Khronos safety APIs and SYCL SC
  9. 15:23C++ safety and undefined behavior
  10. 21:23Modern C++ safety features
  11. 26:27C++ safety proposals impact on SYCL
  12. 30:40Contracts and error handling in C++
  13. 32:06SYCL memory safety trade-offs
  14. 33:52Complex numbers in SYCL
  15. 36:21Buffer accessors and undefined behavior
  16. 39:57SYCL SC for safety critical systems
  17. 41:02Functional safety standards
  18. 43:51Language vs functional safety in SYCL SC
  19. 47:43SYCL adoption challenges for safety
  20. 50:14Dynamic memory in SYCL SC
  21. 53:13Closing remarks on SYCL and SYCL SC
  22. 55:18Q&A on exceptions and memory

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