Matrix Vector Kernel Parallelism
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- 135
- Forks
- 55
- Avg merge
- 4d 16h
- Merged PRs (30d)
- 5
Description
The POLYBENCH_MVT, POLYBENCH_GESUMMV, POLYBENCH_GEMVER, and POLYBENCH_ATAX kernels (and potentially more) may be able to express more parallelism when computing dot products by using level block reductions or atomics.
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 implementations of POLYBENCH_MVT, POLYBENCH_GESUMMV, POLYBENCH_GEMVER, and POLYBENCH_ATAX, then inspect how their dot products currently execute. Determine whether level block reductions or atomics expose more parallelism, and assess whether additional kernels have the same opportunity; done means the applicable kernels use a justified parallel approach.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- performance
- Issue type
- Refactor
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100