a possible new pattern from NPB LU
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- Dominant language
- C
- Stars
- 80
- Forks
- 33
- PR merge metrics
- No merged PRs in 30d
Description
For LU, two tools (Intel Inspector and Archer)can analyze it without crashes or timeout. Both tools report that a function named blts has data races. Our investigation finds that blts has two parallel loops using nowait, combined with a flush directive to synchronize memory operations. None of the two tools can recognize this complicated code pattern.
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 by locating the NPB LU `blts` function and reviewing its two parallel loops with `nowait` and the `flush` directive. Compare the reported behavior from Intel Inspector and Archer, then determine whether this pattern should be represented in the benchmark suite; completion requires a clear scope and decision for the proposed benchmark pattern.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- c
- Domain
- testing-qa
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 30/100