jpountz commented on PR #13359:
URL: https://github.com/apache/lucene/pull/13359#issuecomment-2112625165
I iterated a bit on this change:
- `TermsEnum#prepareSeekExact` is introduced, which only prefetches data
which is later going to be needed by `TermsEnum#seekExact`.
- `TermStates#build` no longer runs on the `IndexSearcher` threadpool, but
in the current thread, leveraging `TermsEnum#prepareSeekExact` to parallelize
I/O across all terms and segments.
- `TermQuery` and `SynonymQuery` call `TermsEnum#prepareSeekExact` in
`Weight#scorerSupplier` so that the I/O associated with terms dictionary
lookups is parallelized across clauses of the same `BooleanQuery`.
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