HUSTERGS opened a new pull request, #14827:
URL: https://github.com/apache/lucene/pull/14827
### Description
This PR propose to specialize function `filterCompetitiveHits` when we have
exact 2 scorers, in order to reduce float calculation and potential function
calls
Luceneutil result on `wikimediumall` with `searchConcurrency=0`,
`taskCountPerCat=5`, `taskRepeatCount=50` after 20 iterations
```
TaskQPS baseline StdDevQPS
my_modified_version StdDev Pct diff p-value
OrHighRare 116.59 (3.1%) 116.96
(2.7%) 0.3% ( -5% - 6%) 0.734
OrHighMed 87.75 (2.4%) 88.83
(2.6%) 1.2% ( -3% - 6%) 0.116
AndHighMed 67.91 (2.3%) 69.17
(2.2%) 1.9% ( -2% - 6%) 0.009
AndHighHigh 27.96 (1.4%) 28.63
(2.0%) 2.4% ( -1% - 5%) 0.000
OrHighHigh 26.16 (1.6%) 26.97
(1.6%) 3.1% ( 0% - 6%) 0.000
```
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