Java JNI wrapper around annoy (C++).
<dependency>
<groupId>com.spotify</groupId>
<artifactId>annoy-java</artifactId>
<version>0.4.1-SNAPSHOT</version>
</dependency>List<Float> v0 = Arrays.asList(0f, 1f, 2f);
List<Float> v1 = Arrays.asList(3f, 4f, 5f);
List<List<Float>> allVecs = Arrays.asList(v0, v1);
String filename = String.format("./dummy.annoy");
Annoy.newIndex(3)
.addAllItems(allVecs)
.build(2)
.save(filename);
AnnoyIndex annoyIndex = Annoy.loadIndex(filename, 3);
annoyIndex.getNearestByItem(1, 42);For more examples, take a look at the unit tests.
./src/test/python/benchmark_java_vs_python.py
- Once tested in prod, move to spotify/annoy-java
- Give a try to faiss
Copyright 2017 Spotify AB.
Licensed under the Apache License, Version 2.0: http://www.apache.org/licenses/LICENSE-2.0
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