kkewwei opened a new issue, #16528:
URL: https://github.com/apache/lucene/issues/16528

   ### Description
   
   When `MaxScoreBulkScorer` has a single-phase filter, always materialize 
matching documents into a `filterMatches`.
   
   Previously, the scorer selected between a `bitset` path and a `leapfrog` 
path based on estimated costs. The `leapfrog` path advances the filter and 
scoring clauses document by document. By consistently using `filterMatches`, 
essential scorers can instead read postings in batches and apply the filter 
mask to the batch before scoring.
   
   This reduces per-document iterator coordination and enables bulk postings 
decoding and scoring, which is more efficient for dense filters and dense 
disjunctions.


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