Adrien Grand created LUCENE-10205:
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Summary: Should Packed64 use a byte[] plus VarHandles?
Key: LUCENE-10205
URL: https://issues.apache.org/jira/browse/LUCENE-10205
Project: Lucene - Core
Issue Type: Improvement
Reporter: Adrien Grand
By being backed by a long[], Packed64 often has to merge bits coming from two
different longs. If it was backed by a byte[], it could always read a single
long, which would help remove conditionals?
The main downside is that we'd need paging to support high value counts with
high numbers of bits (when value_count * bits_per_value / 8 >
ArrayUtil.MAX_ARRAY_LENGTH).
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