RoaringBitmap / RoaringBitmap/roaring-rs
Precompute correct store type for operations
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- Dominant language
- Rust
- Stars
- 957
- Forks
- 119
- Avg merge
- 3d 3h
- Merged PRs (30d)
- 1
Description
This optimization has been unblocked by #168
For operations that could cause a conversion between store types we can first compute the cardinality of the op. The operation can then continue, using the correct store type, removing the need to ensure_correct_store.
This will make the best-case slower, but the worst-case faster. Delta for average-case will be data dependent.
Contributor guide
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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
The issue names no files, tests, or entry points. Start by locating operations that call ensure_correct_store and reviewing the cardinality work from #168. Done means operations precompute cardinality and use the correct store type without needing ensure_correct_store.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- performance
- Issue type
- Refactor
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100