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Posted to issues@lucene.apache.org by "Michael Sokolov (Jira)" <ji...@apache.org> on 2021/03/15 21:26:00 UTC
[jira] [Created] (LUCENE-9845) Improve encoding of HNSW graph
offsets
Michael Sokolov created LUCENE-9845:
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Summary: Improve encoding of HNSW graph offsets
Key: LUCENE-9845
URL: https://issues.apache.org/jira/browse/LUCENE-9845
Project: Lucene - Core
Issue Type: Wish
Reporter: Michael Sokolov
Today we use a simple {{long[]}} to encode the offset of each document's array of neighbors in the HNSW graph. Instead we should use a data structure that is optimized for encoding an increasing numeric array, like monotonic {{PackedInts}}
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