Added
- Added a new conda package faiss-gpu-raft alongside faiss-cpu and faiss-gpu
- Integrated IVF-Flat and IVF-PQ implementations in faiss-gpu-raft from RAFT by Nvidia [thanks @cjnolet and @tarang-jain]
- Added a context parameter to InvertedLists and InvertedListsIterator
- Added Faiss on Rocksdb demo to showing how inverted lists can be persisted in a key-value store
- Introduced Offline IVF framework powered by Faiss big batch search
- Added SIMD NEON Optimization for QT_FP16 in Scalar Quantizer. [thanks @naveentatikonda]
- Generalized ResultHandler and supported range search for HNSW and FastScan
- Introduced avx512 optimization mode and FAISS_OPT_LEVEL env variable [thanks @alexanderguzhva]
- Added search parameters for IndexRefine::search() and IndexRefineFlat::search()
- Supported large two-level clustering
- Added support for Python 3.11 and 3.12
- Added support for CUDA 12
Changed
- Used the benchmark to find Pareto optimal indices. Intentionally limited to IVF(Flat|HNSW),PQ|SQ indices
- Splitted off RQ encoding steps to another file
- Supported better NaN handling
- HNSW speedup + Distance 4 points [thanks @alexanderguzhva]
Fixed
- Fixed DeviceVector reallocations in Faiss GPU
- Used efSearch from params if provided in HNSW search
- Fixed warp synchronous behavior in Faiss GPU CUDA 12
Full Changelog: v1.7.4...v1.8.0
Contributors
cjnolet, alexanderguzhva, and 2 other contributors