leanprover-community / leanprover-community/mathlib4
Tracking issue: manually squeezed simp because of performance
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t-meta
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Description
This issue tracks places in mathlib where we squeezed simp calls not because of maintainance (e.g. non-terminal simps), but simply because they were too slow. Ideally, we would find a better fix for them.
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 reviewing the tracked cases where simp was manually squeezed for performance rather than maintenance. Identify a better fix for those slow calls and confirm that the affected simplification behavior remains correct without the manual squeezing.
Written by the indexing model from the issue text.
Assessment
- Domain
- performance
- Issue type
- Refactor
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100