[New Optimizer Request] Fuse expand/unsqueeze and broadcast binary op
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- Dominant language
- C++
- Stars
- 834
- Forks
- 109
- Avg merge
- 6h 55m
- Merged PRs (30d)
- 2
Description
expand and unsqueeze op are sometimes used to do broadcasting, and they can be fused if they are before an op with built-in broadcast feature (like add/mul op)
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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
No files, tests, or entry points are named. Start by locating the optimizer's handling of expand, unsqueeze, and broadcast-capable binary operators such as add and mul; define the supported fusion cases and verify that the resulting behavior preserves broadcasting semantics.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- machine-learning, performance
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100