jpountz opened a new pull request, #12361:
URL: https://github.com/apache/lucene/pull/12361
We currently use block-max maxscore for top-level disjunctions, implemented
as
a scorer. Since we only use it for top-level disjunctions, we could actually
implement it as a bulk scorer, which helps save some overhead. luceneutil
reports the following numbers on wikimedium10m:
```
TaskQPS baseline StdDevQPS
my_modified_version StdDev Pct diff p-value
HighSpanNear 9.15 (3.7%) 9.03
(3.5%) -1.4% ( -8% - 6%) 0.224
Prefix3 434.41 (2.2%) 429.16
(2.1%) -1.2% ( -5% - 3%) 0.080
MedTermDayTaxoFacets 37.33 (6.3%) 36.88
(6.6%) -1.2% ( -13% - 12%) 0.558
AndHighLow 1315.31 (3.1%) 1299.90
(3.9%) -1.2% ( -7% - 6%) 0.294
MedSpanNear 42.42 (2.5%) 41.96
(2.3%) -1.1% ( -5% - 3%) 0.153
OrHighMedDayTaxoFacets 5.66 (4.9%) 5.60
(4.9%) -1.1% ( -10% - 9%) 0.488
HighSloppyPhrase 16.72 (3.5%) 16.57
(5.4%) -0.9% ( -9% - 8%) 0.539
Wildcard 129.90 (3.9%) 128.92
(3.8%) -0.8% ( -8% - 7%) 0.537
HighPhrase 68.61 (5.5%) 68.10
(4.4%) -0.7% ( -10% - 9%) 0.637
MedPhrase 27.46 (3.9%) 27.26
(3.5%) -0.7% ( -7% - 6%) 0.538
BrowseRandomLabelSSDVFacets 14.70 (7.4%) 14.61
(7.7%) -0.7% ( -14% - 15%) 0.779
LowTerm 816.63 (5.6%) 811.34
(5.0%) -0.6% ( -10% - 10%) 0.699
BrowseMonthSSDVFacets 20.41 (1.1%) 20.28
(2.0%) -0.6% ( -3% - 2%) 0.207
LowPhrase 43.61 (3.4%) 43.35
(3.0%) -0.6% ( -6% - 6%) 0.561
Fuzzy1 135.81 (1.2%) 135.42
(1.5%) -0.3% ( -3% - 2%) 0.504
LowSpanNear 114.09 (1.7%) 113.78
(1.8%) -0.3% ( -3% - 3%) 0.626
Fuzzy2 71.78 (1.1%) 71.60
(1.0%) -0.2% ( -2% - 1%) 0.454
AndHighHighDayTaxoFacets 31.06 (2.2%) 30.98
(2.3%) -0.2% ( -4% - 4%) 0.730
IntNRQ 88.61 (5.8%) 88.46
(5.7%) -0.2% ( -11% - 12%) 0.926
HighTermMonthSort 3779.27 (3.8%) 3775.75
(3.3%) -0.1% ( -6% - 7%) 0.934
AndHighMedDayTaxoFacets 58.44 (1.8%) 58.42
(1.9%) -0.0% ( -3% - 3%) 0.948
Respell 80.73 (1.6%) 80.82
(1.4%) 0.1% ( -2% - 3%) 0.815
MedTerm 731.12 (6.8%) 732.37
(7.1%) 0.2% ( -12% - 15%) 0.938
PKLookup 236.79 (4.4%) 237.48
(4.6%) 0.3% ( -8% - 9%) 0.838
TermDTSort 181.53 (2.7%) 182.14
(2.1%) 0.3% ( -4% - 5%) 0.661
HighTermDayOfYearSort 422.38 (3.2%) 423.81
(3.6%) 0.3% ( -6% - 7%) 0.752
LowSloppyPhrase 46.81 (2.7%) 46.98
(3.0%) 0.3% ( -5% - 6%) 0.696
AndHighMed 342.09 (4.6%) 343.63
(3.8%) 0.4% ( -7% - 9%) 0.737
AndHighHigh 46.06 (6.6%) 46.28
(5.8%) 0.5% ( -11% - 13%) 0.809
HighTermTitleBDVSort 23.23 (3.6%) 23.34
(3.2%) 0.5% ( -6% - 7%) 0.650
HighTerm 685.44 (7.3%) 689.42
(7.5%) 0.6% ( -13% - 16%) 0.804
HighTermTitleSort 156.76 (5.8%) 157.96
(5.6%) 0.8% ( -10% - 12%) 0.671
HighIntervalsOrdered 25.11 (5.2%) 25.32
(5.2%) 0.8% ( -9% - 11%) 0.607
OrNotHighLow 1803.79 (3.7%) 1819.26
(3.5%) 0.9% ( -6% - 8%) 0.452
LowIntervalsOrdered 62.41 (3.9%) 63.01
(3.7%) 1.0% ( -6% - 8%) 0.423
OrNotHighMed 456.34 (3.5%) 460.92
(4.3%) 1.0% ( -6% - 9%) 0.419
OrHighNotLow 365.78 (8.4%) 369.70
(9.0%) 1.1% ( -15% - 20%) 0.698
OrNotHighHigh 272.99 (6.9%) 276.13
(7.7%) 1.2% ( -12% - 16%) 0.618
OrHighNotHigh 438.11 (6.5%) 443.93
(7.3%) 1.3% ( -11% - 16%) 0.543
OrHighNotMed 371.40 (7.4%) 376.34
(8.4%) 1.3% ( -13% - 18%) 0.595
MedSloppyPhrase 6.47 (4.8%) 6.56
(4.7%) 1.4% ( -7% - 11%) 0.357
BrowseDateSSDVFacets 5.50 (9.0%) 5.61
(10.0%) 2.0% ( -15% - 23%) 0.509
MedIntervalsOrdered 29.98 (5.3%) 30.58
(5.5%) 2.0% ( -8% - 13%) 0.242
BrowseDayOfYearSSDVFacets 19.88 (8.8%) 20.62
(14.4%) 3.7% ( -17% - 29%) 0.322
BrowseMonthTaxoFacets 26.63 (20.6%) 27.75
(15.2%) 4.2% ( -26% - 50%) 0.462
OrHighLow 555.47 (3.1%) 579.50
(2.4%) 4.3% ( -1% - 10%) 0.000
BrowseRandomLabelTaxoFacets 31.81 (23.1%) 33.32
(19.2%) 4.8% ( -30% - 61%) 0.477
BrowseDateTaxoFacets 38.87 (24.8%) 40.81
(18.7%) 5.0% ( -30% - 64%) 0.471
BrowseDayOfYearTaxoFacets 39.19 (24.8%) 41.52
(18.8%) 5.9% ( -30% - 65%) 0.394
OrHighMed 138.70 (3.4%) 149.08
(3.4%) 7.5% ( 0% - 14%) 0.000
OrHighHigh 44.38 (3.3%) 51.20
(3.8%) 15.4% ( 8% - 23%) 0.000
```
OrHighHigh, OrHighMed and orHighLow all get a speedup with this change.
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