rmuir commented on PR #14823:
URL: https://github.com/apache/lucene/pull/14823#issuecomment-3004937275

   > but these big drops are mostly due to the benchmark becoming harder by 
increasing the number of dimensions of vectors (annotation FK) or changing the 
model (annotation GT), and there are some speedups hidden among these big drops 
such as a merging speedup (annotation IE).
   
   I don't think that statement is accurate. The first big drop is `DW`. 
LUCENE-10109: Increase default beam width from 16 to 100.
   
   This one explicitly makes indexing more than 3x slower (from 409 GB/hr -> 
140.7 GB/hr). The commit message states "This new default tries to balance good 
search performance with indexing speed."
   
   Is the balance a good one?


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