Windows on ARM64 (win_arm64) support — plans, and torch 2.13 bump?
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Description
Hi ExecuTorch team,
I'm from Microsoft and currently looking into Windows-on-ARM64 (win_arm64) support for ExecuTorch.
Context: PyTorch publishes win_arm64 wheels starting from 2.13 (the nightly index has no 2.12 win_arm64 build), while ExecuTorch currently pins torch 2.12. Building against an off-pin torch introduces version-skew friction, so aligning the torch pin to 2.13 looks like the most realistic first step toward native win_arm64 support.
Questions:
- Is there any plan or work in progress for win_arm64 build support?
- Is bumping to torch 2.13 a prerequisite for this? If so, is a 2.13 bump already planned, and roughly when?
Many thanks!
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 confirming the current torch 2.12 pin and the availability of PyTorch 2.13 win_arm64 wheels described in the issue. No files, tests, or implementation entry points are named; done would require an agreed support plan and a defined torch bump or build change.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python, pytorch
- Domain
- build-system, operating-systems
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100