Michael McCandless created LUCENE-7122:
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Summary: BytesRefArray can be more efficient for fixed width values
Key: LUCENE-7122
URL: https://issues.apache.org/jira/browse/LUCENE-7122
Project: Lucene - Core
Issue Type: Improvement
Reporter: Michael McCandless
Assignee: Michael McCandless
Fix For: master, 6.1
Today {{BytesRefArray}} uses one int ({{int[]}}, overallocated) per
value to hold the length, but for dimensional points these values are
always the same length.
This can save another 4 bytes of heap per indexed dimensional point,
which is a big improvement (more points can fit in heap at once) for
1D and 2D lat/lon points.
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