jpountz commented on pull request #1543:
URL: https://github.com/apache/lucene-solr/pull/1543#issuecomment-642106140
@mikemccand I think that there are two things that get combined:
- it's cheaper to do a single `IndexInput#readBytes` call with 32X bytes,
than 32 `IndexInput#readBytes` calls with X bytes
- `DirectMonotonicReader#get` is not super expensive, but it's not so cheap
either when called in very tight loops and we need to call it 64x more
frequently when sorting the `MatchAllDocsQuery` by `titleBDV` (2x per document
vs 1x every 32 documents)
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