RDDT: Support Roaring-backed bitsets - #9
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Add BitsetView support for dense, live Roaring, and frozen Roaring filters, including count updates, dense conversion, offsets, and out-id mapping. Preserve Roaring filters through search setup instead of rebuilding dense views, and add a typed Faiss fast path that expands Roaring filters into valid ID arrays for fp16, bf16, and int8 exhaustive distance paths. Wire roaring into Conan and CMake dependencies and cover live and frozen Roaring bitsets with unit tests. Signed-off-by: Hieu Pham <hieu.pham@reddit.com>
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Add BitsetView support for dense, live Roaring, and frozen Roaring filters, including count updates, dense conversion, offsets, and out-id mapping.
Preserve Roaring filters through search setup instead of rebuilding dense views, and add a typed Faiss fast path that expands Roaring filters into valid ID arrays for fp16, bf16, and int8 exhaustive distance paths.
Wire roaring into Conan and CMake dependencies and cover live and frozen Roaring bitsets with unit tests.