NVIDIA/cuvs

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cuVS - a library for vector search and clustering on the GPU

Stars: 854
Forks: 236
Open beginner issues: 14
Indexed issues: 593
Avg merge: 3d 3h
Merged PRs (30d): 62

Dominant language: Cuda
License: Apache-2.0
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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593 open issues indexed

Follow up to using cuTile in KMeans Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

NVIDIA/cuvs#2431 · 1 reaction · Opened Aug 11, 2026
[FEA] `cuvs-lucene` backend for Apache Solr Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 20/100

NVIDIA/cuvs#2428 · Opened Aug 9, 2026
[DOC] Discussion board `blog` about scalability of multi-GPU out-of-core K-means (single node) Open

doc

Difficulty 5/5 Over a week Newbie friendliness 35/100

NVIDIA/cuvs#2425 · Opened Aug 7, 2026
[DOC] Discussion board `blog` post on scalability of out-of-core single-GPU K-means Open

doc

NVIDIA/cuvs#2424 · 1 assignee · Opened Aug 7, 2026
[FEA] Quantized Fastener index merge Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 42/100

NVIDIA/cuvs#2418 · Opened Aug 5, 2026
[FEA] Supporting filters in the Fastener implementation of CAGRA merge Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 30/100

NVIDIA/cuvs#2417 · Opened Aug 5, 2026
Outdated readme cpp example to use datasets API Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

NVIDIA/cuvs#2415 · Opened Aug 5, 2026
[FEA] Support Lucene 10.2, 10.3, 10.4, 10.5 simultaneously Open

feature request

NVIDIA/cuvs#2410 · 1 assignee · Opened Aug 4, 2026
Add multithreaded concurrency coverage for cuVS-Lucene PyLucene tests Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

NVIDIA/cuvs#2407 · Opened Aug 4, 2026
[CI] STATS_TEST silhouetteScore flaky Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

NVIDIA/cuvs#2406 · Opened Aug 3, 2026
[FEA][C API][Language Wrappers] Recover Cagra-Q path in C API and downstream language wrappers Open

feature request

NVIDIA/cuvs#2405 · 1 assignee · Opened Aug 3, 2026
[FEA][C++ API] Remove hidden H2D copies in ACE path Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 45/100

NVIDIA/cuvs#2403 · 2 comments · Opened Aug 3, 2026
[Tracker] Dataset API C++, C, and language wrapper follow-up Open

feature request

NVIDIA/cuvs#2402 · 1 assignee · Opened Aug 3, 2026
[FEA][C API] Migrate merge() Dataset API to have users pass in concatenated dataset + integer offset. Open

feature request

NVIDIA/cuvs#2401 · 1 assignee · Opened Aug 3, 2026
[FEA][C++ API] Rename host/device_standard/padded_index type Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 25/100

NVIDIA/cuvs#2399 · Opened Aug 3, 2026
[FEA][C API][C++ API] Rework file tree organization splitting all dataset classes, structs, and functions into a separate file within include/core/dataset.hpp Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 45/100

NVIDIA/cuvs#2398 · Opened Aug 3, 2026
[FEA][C++ API] More permanent type placeholder to satisfy DatasetViewT template parameter Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

NVIDIA/cuvs#2397 · Opened Aug 3, 2026
[FEA][Tests] Add test coverage for Dataset API Open

feature request

Difficulty 3/5 1-2 days Newbie friendliness 35/100

NVIDIA/cuvs#2396 · Opened Aug 3, 2026
[FEA][C++ API] Abstract common functions into dataset/dataset_view structs which currently do nothing + Reuse mdarray/mdspan to simplify Dataset API Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 32/100

NVIDIA/cuvs#2395 · Opened Aug 3, 2026
[FEA][Language Wrappers] Remove dataset views from language wrappers Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

NVIDIA/cuvs#2394 · Opened Aug 3, 2026
[FEA] [C++ API] Fully support padded dataset as input to CAGRA build Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 45/100

NVIDIA/cuvs#2393 · Opened Aug 3, 2026
[Java] Consider adding checkstyle or PMD Open

Build Java

Difficulty 5/5 Over a week Newbie friendliness 35/100

NVIDIA/cuvs#2364 · Opened Jul 25, 2026
[BUG] Divergent KMeans++ Behavior for Equal Length Host and Device Resident Arrays Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

NVIDIA/cuvs#2359 · Opened Jul 23, 2026
CAGRA Build to accept PQ Dataset Open

feature request

NVIDIA/cuvs#2355 · 1 assignee · Opened Jul 22, 2026
[FEA] merge() API needs to change once graph-based smart-merge is implemented Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 25/100

NVIDIA/cuvs#2351 · Opened Jul 22, 2026
Accept VPQ dataset in IVF-PQ search Open

feature request

NVIDIA/cuvs#2344 · 1 comment · 1 assignee · Opened Jul 22, 2026
Accept VPQ dataset in IVF-PQ build Open

feature request

NVIDIA/cuvs#2343 · 1 assignee · Opened Jul 21, 2026
update-version.sh should use the release branch for abi-checker workflow Open

feature request

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

NVIDIA/cuvs#2333 · Opened Jul 20, 2026
[FEA] Add support for Quantized Datasets in NN-descent Open

feature request

NVIDIA/cuvs#2326 · 1 assignee · Opened Jul 19, 2026
MG KMeans initialization emits unnecessary warnings Open

Difficulty 3/5 1-2 days Newbie friendliness 56/100

NVIDIA/cuvs#2319 · Opened Jul 13, 2026
[FEA] Build CAGRA Graph with RaBitQ Dataset View Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

NVIDIA/cuvs#2315 · Opened Jul 10, 2026
[BUG] "Trigger Breaking Change Notifications" workflow is broken Open

bug

NVIDIA/cuvs#2309 · 1 comment · 1 assignee · Opened Jul 8, 2026
[FEA] Out-of-core search Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 30/100

NVIDIA/cuvs#2308 · Opened Jul 8, 2026
[BUG] Filtered CAGRA search returns incorrect recall due to file-backed mmap filter bitset causing a cascade of concurrent page faults Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

NVIDIA/cuvs#2301 · 1 comment · Opened Jul 6, 2026
Multi-GPU out of core KMeans progress tracking issue Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

NVIDIA/cuvs#2296 · Opened Jul 3, 2026
[DOC] Remove RAPIDS logo from README Open

doc

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

NVIDIA/cuvs#2295 · 1 comment · Opened Jul 3, 2026
[FEA] Out-of-core K-means improvements Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 35/100

NVIDIA/cuvs#2292 · 4 comments · Opened Jul 2, 2026
[FEA] Move cuvs-lucene to cuvs Open

feature request

NVIDIA/cuvs#2288 · 1 comment · 1 assignee · Opened Jul 2, 2026
Accept VPQ dataset in CAGRA build Open

feature request

NVIDIA/cuvs#2285 · 1 assignee · Opened Jul 1, 2026
Follow up on API design discussion for multi-partition CAGRA search Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

NVIDIA/cuvs#2281 · Opened Jun 30, 2026
Lucene: investigate and address heuristics perf wrt specific dataset Open

Lucene

Difficulty 5/5 Over a week Newbie friendliness 28/100

NVIDIA/cuvs#2473 · 1 comment · Opened Jun 27, 2026
[BUG] nn_descent `init_random_graph()` produces degenerate graphs when N % extended_graph_degree == 0 Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

NVIDIA/cuvs#2273 · 1 comment · Opened Jun 27, 2026
[FEA] BSDG: Support `fit` on dtypes other than `fp32` Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 52/100

NVIDIA/cuvs#2269 · Opened Jun 25, 2026
Lucene: Expose all CAGRA parameters Open

Lucene

Difficulty 5/5 Over a week Newbie friendliness 25/100

NVIDIA/cuvs#2472 · Opened Jun 25, 2026
NVIDIA cuVS Library & Integrations Roadmap Open

Difficulty 1/5 Under an hour Newbie friendliness 25/100

NVIDIA/cuvs#2268 · Opened Jun 25, 2026
[BUG] `cuvsNNDescentBuild` fails for a high-dimensional float32 dataset passed through the cuVS C API as a DLPack host tensor. Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

NVIDIA/cuvs#2267 · 2 comments · Opened Jun 25, 2026
[BUG] KMeansPlusPlus significantly degrades kmeans performance Open

bug

NVIDIA/cuvs#2266 · 6 comments · 1 assignee · Opened Jun 25, 2026
[BUILD/CI] Reduce runtime of tests Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 35/100

NVIDIA/cuvs#2262 · Opened Jun 24, 2026
[BUG] [java] documented build steps for Java fail: "GPUInfoProviderImpl.java:[105,24] cannot find symbol" Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

NVIDIA/cuvs#2252 · 4 comments · Opened Jun 22, 2026
[FEA] BSDG: Add CPU fallback path for CPU only machine Open

feature request

Difficulty 3/5 1-2 days Newbie friendliness 55/100

NVIDIA/cuvs#2251 · Opened Jun 22, 2026

NVIDIA/cuvs

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