[GitHub] [lucene-solr] iverase opened a new pull request #1481: LUCENE-9358: remove unnecessary tree rotation for the one dimensional case

[GitBox <gi...@apache.org>]

iverase opened a new pull request #1481:
URL: https://github.com/apache/lucene-solr/pull/1481


   This commit changes the way the multi-dimensional tree builder generates the intermediate tree representation to be equal to the one dimensional case. Therefore, the index packing logic can be changed to work on the representation and avoid unnecessary tree and leaves rotation.
   
   A new interface is introduced to avoid copying intermediate List arrays.
   
   split values and split dimensions are handled in different arrays which means we are increasing the number of max points the tree builders can handle.


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