cmsDumpExporter requires lots of memory
Open
Nobody has claimed this yet.
- Dominant language
- Python
- Stars
- 1k
- Forks
- 412
- Avg merge
- 6d 10h
- Merged PRs (30d)
- 3
Description
At IOI 2026, the final dump used more than 18 GB of RAM. This is way too much.
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
Locate the cmsDumpExporter entry point and reproduce the final-dump path while measuring peak memory. Investigate which part of the export holds excessive data in memory, then verify that the final dump completes with a substantially lower peak and no output regression.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- data
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Active
- Clarity
- Needs clarification
- Newbie friendliness
- 45/100