NVIDIA/cuvs v26.04.00

v26.04.00

Repository: NVIDIA/cuvs

Tag: v26.04.00

Published: 2026-04-08T19:23:44Z

Prerelease: no

Release notes:

What's Changed

🚨 Breaking Changes

• Use HNSW GPU Hierarchy by Default by @julianmi in https://github.com/rapidsai/cuvs/pull/1617
• Backport "Default to static linking of libcudart" by @KyleFromNVIDIA in https://github.com/rapidsai/cuvs/pull/1918
• enforce a floor on libnvjitlink, build wheels with CUDA 13.0.x, test wheels against mix of CTK versions by @jameslamb in https://github.com/rapidsai/cuvs/pull/1862

🐛 Bug Fixes

• Add float16 support for CAGRA extend by @lowener in https://github.com/rapidsai/cuvs/pull/1620
• Fix C examples CUDAToolkit dependency by @tfeher in https://github.com/rapidsai/cuvs/pull/1626
• clang-tidy: remove AnalyzeTemporaryDtors key by @achirkin in https://github.com/rapidsai/cuvs/pull/1778
• Fix build.sh: build cuvs_c for examples and fix --gpu-arch parsing by @achirkin in https://github.com/rapidsai/cuvs/pull/1779
• Better handling of batching of search in MG replicated mode by @viclafargue in https://github.com/rapidsai/cuvs/pull/1718
• Add nvjitlink to cuda-toolkit pip extras for cusparse compatibility by @bdice in https://github.com/rapidsai/cuvs/pull/1794
• [REVIEW] Fix: for balanced kmeans use grid.x for adjust_centers to avoid grid.y overflow for >262K centroids by @Nischal1729 in https://github.com/rapidsai/cuvs/pull/1805
• Fix thrust header by @aamijar in https://github.com/rapidsai/cuvs/pull/1817
• Fix persistent CAGRA regressions by @achirkin in https://github.com/rapidsai/cuvs/pull/1800
• Fix thrust header by @aamijar in https://github.com/rapidsai/cuvs/pull/1825
• Set cudaFuncAttributeMaxDynamicSharedMemorySize with thread-safety by @mythrocks in https://github.com/rapidsai/cuvs/pull/1771
• [REVIEW] Move from thrust::make_counting_iterator to cuda::make_counting_iterator by @mythrocks in https://github.com/rapidsai/cuvs/pull/1826
• Fixed cuvs benchmark debug build issue (linker step fail) by @irina-resh-nvda in https://github.com/rapidsai/cuvs/pull/1599
• Graph degree equals intermediate graph degree bug fix by @irina-resh-nvda in https://github.com/rapidsai/cuvs/pull/1834
• FAISS patch for thrust_counting_iterator.h by @aamijar in https://github.com/rapidsai/cuvs/pull/1844
• Use 1D grid calculations in epsilon_neighborhood by @divyegala in https://github.com/rapidsai/cuvs/pull/1847
• Fix setting CAGRA graph build algo to iterative search by default by @achirkin in https://github.com/rapidsai/cuvs/pull/1864
• Faiss suppress warning 611 by @aamijar in https://github.com/rapidsai/cuvs/pull/1879
• Pin faiss to 1.14.0 by @aamijar in https://github.com/rapidsai/cuvs/pull/1885
• Make some minor fixes to JIT+LTO functionality by @KyleFromNVIDIA in https://github.com/rapidsai/cuvs/pull/1896
• Revert "Default to static linking of libcudart" by @KyleFromNVIDIA in https://github.com/rapidsai/cuvs/pull/1925
• Fix hanging pytests by @aamijar in https://github.com/rapidsai/cuvs/pull/1924
• Disallow programmatic stream serialization in JIT kernel launches by @divyegala in https://github.com/rapidsai/cuvs/pull/1932
• IVF-Flat: fix irrelevant assert in the fused kernel mode by @achirkin in https://github.com/rapidsai/cuvs/pull/1941
• [REVIEW] cuVS bench: Fix cudaFuncSetAttribute not being called when CAGRA search switches kernel variants by @irina-resh-nvda in https://github.com/rapidsai/cuvs/pull/1851
• Pin openblas for aarch64 by @tarang-jain in https://github.com/rapidsai/cuvs/pull/1965
• Null JIT kernel launch config by @divyegala in https://github.com/rapidsai/cuvs/pull/1974
• [BUG] Fix Vamana Serialization by @tarang-jain in https://github.com/rapidsai/cuvs/pull/1966

📖 Documentation

• remove docs references to cuvs-bench-datasets, install a C compiler in pre-commit env by @jameslamb in https://github.com/rapidsai/cuvs/pull/1736
• Adding simple tarball install to build and install docs by @cjnolet in https://github.com/rapidsai/cuvs/pull/1868
• Fixing nccl link in tarball install instructions by @cjnolet in https://github.com/rapidsai/cuvs/pull/1887
• Add developer and user guides for JIT by @divyegala in https://github.com/rapidsai/cuvs/pull/1876
• PCA docs by @aamijar in https://github.com/rapidsai/cuvs/pull/1949
• Fix a few typos and `.rst` link syntax by @jrbourbeau in https://github.com/rapidsai/cuvs/pull/1973
• Update docs footer year by @aamijar in https://github.com/rapidsai/cuvs/pull/1958
• Doc improvements by @aamijar in https://github.com/rapidsai/cuvs/pull/1978

🚀 New Features

• JIT compile interleaved_scan_kernel for CUDA 13 by @divyegala in https://github.com/rapidsai/cuvs/pull/1405
• [REVIEW] L1 distance support for iterative search CAGRA build by @yan-zaretskiy in https://github.com/rapidsai/cuvs/pull/1831
• [FEA] Inertia Computation for Balanced KMeans and Add Option for Weighted Inertia by @tarang-jain in https://github.com/rapidsai/cuvs/pull/1880
• PCA preprocessor by @aamijar in https://github.com/rapidsai/cuvs/pull/1808
• [FEA] Add Batching to KMeans by @tarang-jain in https://github.com/rapidsai/cuvs/pull/1886

🛠️ Improvements

• Automatic Partition Count Derivation for ACE by @julianmi in https://github.com/rapidsai/cuvs/pull/1603
• Add filter for cagra::merge by @benfred in https://github.com/rapidsai/cuvs/pull/1496
• Ivf_flat extends golang APIs by @cpegeric in https://github.com/rapidsai/cuvs/pull/1600
• Drop Python 3.10 support by @gforsyth in https://github.com/rapidsai/cuvs/pull/1748
• tighten wheel size limits, expand CI-skipping logic, other small build changes by @jameslamb in https://github.com/rapidsai/cuvs/pull/1751
• Migrate hash strategy to use the new cuco::static_map by @PointKernel in https://github.com/rapidsai/cuvs/pull/1462
• Update raft headers by @aamijar in https://github.com/rapidsai/cuvs/pull/1763
• remove pip.conf migration code in CI scripts, update CI-skipping rules by @jameslamb in https://github.com/rapidsai/cuvs/pull/1760
• Convert non-type template parameters to runtime parameters in CAGRA search to cut binary size by @seunghwak in https://github.com/rapidsai/cuvs/pull/1498
• Rename lanczos by @aamijar in https://github.com/rapidsai/cuvs/pull/1759
• CI: build with CUDA 13.1.1 by @jameslamb in https://github.com/rapidsai/cuvs/pull/1766
• Fixes for stricter compilers by @maxwbuckley in https://github.com/rapidsai/cuvs/pull/1703
• fix cpu_search call by including k argument by @benfred in https://github.com/rapidsai/cuvs/pull/1785
• Use GHA...