NVIDIA / NVIDIA/cuvs

[FEA] support filtering in c/downstream APIs

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feature request
Dominant language
Cuda
Stars
854
Forks
236
Avg merge
3d 3h
Merged PRs (30d)
62

Description

Is your feature request related to a problem? Please describe.
I would like to perform filtered searches on IVF_PQ and CAGRA indexes from Rust. Currently the Rust API does not support this, but the underlying C++ implementation supports bitset/bitmap filters.

Describe alternatives you've considered
Directly using C++ apis via FFI (not ideal).

Additional context
I'd be happy to implement this!

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by tracing the Rust APIs for IVF_PQ and CAGRA and comparing them with the underlying C++ bitset/bitmap filtering interfaces. The change is done when filtered searches can be requested from Rust for both index types without requiring direct C++ FFI use.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp, rust
Domain
api, machine-learning, search
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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