lmcinnes / lmcinnes/pynndescent

Query with another index/ graph?

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Dominant language
Python
Stars
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Forks
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No merged PRs in 30d

Description

This is a question/ feature request.

My (cursory) understanding of the NNDescent algorithm makes me think it should be possible to increase query speed for a test set if we already had an index built on it. Is this the case?

If so, would this query be in scope for this project?

```python
# a: NNDescent, b: NNDescent
a.query(b)
```

Contributor guide

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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 reviewing the NNDescent API and the existing query behavior described in the issue; no file or test entry point is named. Determine whether querying one NNDescent index with another is supported or feasible, then define the expected behavior and tests for a completed feature.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
machine-learning
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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