roaringbitmap
https://github.com/roaringbitmap/roaringbitmap
Java
A better compressed bitset in Java
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- Issues
- Add FastAggregation.rangeAndNot for fused range-minus-bitmaps aggregation (#513)
- Produce optimal containers from RunContainer.andNot(ArrayContainer) (#512)
- Optimize Roaring64 in-place AND with empty bitmap.
- Fix RoaringBitSet.previousSetBit(-1) to return -1
- Size limit() result container to the requested cardinality
- RoaringBitmap as full persistent data structure
- non functional optimsations for Roaring64Bitmap
- bulk additions/fast build
- Replace consecutive char array filling with copying of a pre-allocated array
- implement combined union and intersection aggregation operation
- Docs
- Java not yet supported