Move the aten:: namespaced prim ops to portable.
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- Dominant language
- Python
- Stars
- 5k
- Forks
- 1.2k
- Avg merge
- 2d 10h
- Merged PRs (30d)
- 581
Description
🚀 The feature, motivation and pitch
Originally ET didn't have a way to represent non out variant kernels and things like sym_size cannot be expressed as out variant since the return is a prim and aten codegen wont pass in a mutable reference to a prim (probably because you cant do this in python). ET now has support for non out variant kernels (inplace ops and all_close) so we could probably handle these scalar return ops natively.
Alternatives
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Additional context
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RFC (Optional)
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Contributor guide
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 tracing ExecuTorch's existing support for non-out variant kernels and how aten codegen handles scalar-return prim ops such as sym_size. Identify which aten:: namespaced prim ops should move to portable, then verify that they are represented natively without relying on out variants.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python, pytorch
- Domain
- embedded-iot, machine-learning
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100