oneapi-src / oneapi-src/unified-runtime
`prefetch` on sycl with cuda backend on Windows
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cuda
windows
- Dominant language
- C++
- Stars
- 57
- Forks
- 120
- Avg merge
- 1d 14h
- Merged PRs (30d)
- 1
Description
Windows doesn't support cudaMemPrefetchAsync() which is used in the call to prefetch. Would be a need to investigate alternatives for Windows.
https://github.com/intel/llvm/pull/13957 may be used to further information.
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start at the SYCL CUDA-backend prefetch call and review the linked bitsandbytes issue about cudaMemPrefetchAsync() and the Intel LLVM pull request. Determine a viable Windows alternative or a clearly defined limitation, then verify the resulting prefetch behavior on the affected platform.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- hpc, operating-systems
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100