mindspore-ai / mindspore-ai/hyper-parallel
[Bug]: memory leak of data prefetcher of trainer
Open
Nobody has claimed this yet.
bug
- Dominant language
- Python
- Stars
- 53
- Forks
- 63
- Avg merge
- 23h 45m
- Merged PRs (30d)
- 63
Description
Checklist
- 1. I have searched the existing issues (https://gitcode.com/mindspore/hyper-parallel/issues)
- 2. I have read the relevant documentation.
- 3. I have created a minimal reproduction case that clearly demonstrates the issue, including a complete code example and the error message with full traceback and error logs.
🐛 Describe the bug

Expected behavior
No memory leak
Additional context
No response
Environment info
torch 2.9.0
Contributor guide
No contributing guide indexed for this repository
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 source file, test, or entry point is named. Start by reproducing the trainer data-prefetcher leak with the provided minimal case and torch 2.9.0, then profile memory growth; done means the reproduction no longer shows a leak and the relevant regression test or verification is documented.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python, pytorch
- Domain
- machine-learning, performance
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Active
- Clarity
- Needs clarification
- Newbie friendliness
- 32/100