HUSTERGS commented on PR #14896:
URL: https://github.com/apache/lucene/pull/14896#issuecomment-3034034888
>I know we've had to be careful with the vector API at times as playing some
tricks may get even slower than scalar code on some hardware.
Yeah, I aggree with that too, I've seen the
`ENABLE_FIND_NEXT_GEQ_VECTOR_OPTO` variable which is used make sure we have
enough lanes, I'm wondering whether we should do a similar thing here
> FWIW I like higher values of this parameter better.
Of course! I ran a luceneutil on `wikimediumall` with `searchConcurrency=0,
taskCountPerCat=5, taskRepeatCount=50`, here is the result after 20 iterations
(it takes some time to finish):
```
TaskQPS baseline StdDevQPS
my_modified_version StdDev Pct diff p-value
CombinedTerm 14.73 (4.3%) 14.48
(5.6%) -1.7% ( -11% - 8%) 0.277
Wildcard 60.18 (3.3%) 59.48
(3.0%) -1.2% ( -7% - 5%) 0.242
IntSet 411.04 (4.4%) 408.11
(4.2%) -0.7% ( -8% - 8%) 0.601
FilteredPrefix3 95.00 (2.7%) 94.50
(2.8%) -0.5% ( -5% - 5%) 0.542
Respell 44.49 (2.7%) 44.27
(3.1%) -0.5% ( -6% - 5%) 0.586
FilteredIntNRQ 48.90 (1.6%) 48.67
(1.7%) -0.5% ( -3% - 2%) 0.379
IntNRQ 49.17 (1.7%) 48.95
(1.9%) -0.4% ( -3% - 3%) 0.432
Prefix3 101.69 (3.0%) 101.28
(3.0%) -0.4% ( -6% - 5%) 0.666
CountFilteredIntNRQ 22.52 (2.0%) 22.45
(2.0%) -0.3% ( -4% - 3%) 0.648
DismaxTerm 659.35 (4.8%) 658.31
(5.4%) -0.2% ( -9% - 10%) 0.922
IntervalsOrdered 3.03 (2.3%) 3.03
(2.3%) -0.1% ( -4% - 4%) 0.919
FilteredTerm 88.58 (4.9%) 88.58
(4.9%) -0.0% ( -9% - 10%) 0.999
CountPhrase 3.32 (2.2%) 3.32
(3.5%) 0.0% ( -5% - 5%) 0.993
TermDTSort 194.75 (2.5%) 194.77
(2.4%) 0.0% ( -4% - 5%) 0.987
CountFilteredPhrase 11.57 (2.0%) 11.58
(2.4%) 0.0% ( -4% - 4%) 0.952
TermTitleSort 72.55 (4.0%) 72.59
(4.3%) 0.1% ( -7% - 8%) 0.969
Fuzzy2 46.06 (2.3%) 46.10
(2.2%) 0.1% ( -4% - 4%) 0.904
SpanNear 3.10 (4.6%) 3.10
(5.0%) 0.1% ( -9% - 10%) 0.945
TermDayOfYearSort 358.78 (1.1%) 359.21
(1.0%) 0.1% ( -1% - 2%) 0.719
TermB1M 593.44 (6.4%) 594.37
(7.0%) 0.2% ( -12% - 14%) 0.941
CountFilteredOrHighMed 29.96 (2.0%) 30.00
(1.6%) 0.2% ( -3% - 3%) 0.771
CountFilteredOrHighHigh 25.46 (1.9%) 25.51
(1.5%) 0.2% ( -3% - 3%) 0.731
Term1M 594.33 (6.3%) 595.69
(6.9%) 0.2% ( -12% - 14%) 0.913
OrHighRare 121.93 (3.7%) 122.22
(4.5%) 0.2% ( -7% - 8%) 0.857
Term100 593.84 (6.4%) 595.52
(6.7%) 0.3% ( -12% - 14%) 0.892
Term10K 594.26 (6.5%) 595.97
(6.9%) 0.3% ( -12% - 14%) 0.892
Term 594.63 (6.4%) 596.36
(6.9%) 0.3% ( -12% - 14%) 0.890
TermB1M1P 592.84 (6.4%) 595.12
(6.9%) 0.4% ( -12% - 14%) 0.855
FilteredPhrase 12.68 (2.0%) 12.74
(2.5%) 0.4% ( -3% - 5%) 0.531
FilteredAnd3Terms 132.94 (3.8%) 133.61
(2.9%) 0.5% ( -5% - 7%) 0.636
CombinedOrHighMed 28.73 (4.6%) 28.89
(5.9%) 0.6% ( -9% - 11%) 0.734
FilteredOrHighMed 54.21 (5.0%) 54.52
(4.7%) 0.6% ( -8% - 10%) 0.711
CountAndHighHigh 62.06 (1.2%) 62.42
(1.2%) 0.6% ( -1% - 3%) 0.142
FilteredOrHighHigh 18.16 (3.3%) 18.27
(3.1%) 0.6% ( -5% - 7%) 0.566
CountTerm 8145.28 (5.9%) 8192.70
(4.8%) 0.6% ( -9% - 11%) 0.731
FilteredOr3Terms 59.77 (4.6%) 60.13
(4.3%) 0.6% ( -7% - 9%) 0.662
Fuzzy1 51.29 (3.3%) 51.61
(3.6%) 0.6% ( -6% - 7%) 0.567
CountFilteredOrMany 6.09 (1.6%) 6.13
(1.4%) 0.7% ( -2% - 3%) 0.153
AndHighOrMedMed 18.53 (2.9%) 18.67
(2.6%) 0.7% ( -4% - 6%) 0.392
FilteredOr2Terms2StopWords 67.51 (6.9%) 68.02
(6.5%) 0.8% ( -11% - 15%) 0.720
Phrase 9.79 (2.0%) 9.87
(2.5%) 0.8% ( -3% - 5%) 0.278
FilteredOrMany 5.11 (2.7%) 5.15
(2.2%) 0.8% ( -3% - 5%) 0.308
CountOrHighHigh 63.91 (1.8%) 64.45
(2.2%) 0.8% ( -3% - 4%) 0.193
FilteredOrStopWords 11.12 (2.5%) 11.21
(2.6%) 0.8% ( -4% - 6%) 0.298
CountOrHighMed 96.39 (3.3%) 97.23
(2.3%) 0.9% ( -4% - 6%) 0.335
FilteredAndHighHigh 15.28 (3.3%) 15.42
(3.5%) 0.9% ( -5% - 7%) 0.408
FilteredAndStopWords 12.04 (3.3%) 12.15
(3.8%) 0.9% ( -5% - 8%) 0.418
TermMonthSort 2994.17 (3.2%) 3026.80
(3.1%) 1.1% ( -5% - 7%) 0.277
CombinedAndHighMed 29.21 (4.6%) 29.55
(5.4%) 1.2% ( -8% - 11%) 0.459
CountOrMany 6.42 (1.5%) 6.50
(1.9%) 1.2% ( -2% - 4%) 0.029
CountAndHighMed 93.40 (3.9%) 94.53
(2.1%) 1.2% ( -4% - 7%) 0.227
DismaxOrHighMed 66.64 (5.1%) 67.51
(6.0%) 1.3% ( -9% - 13%) 0.457
SloppyPhrase 1.44 (4.8%) 1.46
(3.5%) 1.4% ( -6% - 10%) 0.287
DismaxOrHighHigh 46.64 (5.1%) 47.42
(6.4%) 1.7% ( -9% - 13%) 0.354
CombinedOrHighHigh 7.18 (3.4%) 7.31
(4.8%) 1.8% ( -6% - 10%) 0.162
CombinedAndHighHigh 7.29 (1.5%) 7.51
(2.2%) 3.0% ( 0% - 6%) 0.000
AndMedOrHighHigh 20.84 (5.3%) 21.59
(4.0%) 3.6% ( -5% - 13%) 0.015
FilteredAndHighMed 44.67 (4.9%) 46.31
(4.4%) 3.7% ( -5% - 13%) 0.013
OrHighMed 90.74 (8.5%) 94.19
(10.5%) 3.8% ( -14% - 24%) 0.208
FilteredAnd2Terms2StopWords 76.59 (8.0%) 80.57
(7.9%) 5.2% ( -9% - 22%) 0.039
Or2Terms2StopWords 77.93 (8.6%) 82.68
(10.3%) 6.1% ( -11% - 27%) 0.042
OrStopWords 10.37 (7.9%) 11.02
(10.1%) 6.3% ( -10% - 26%) 0.029
And2Terms2StopWords 75.13 (11.2%) 80.21
(11.0%) 6.8% ( -13% - 32%) 0.053
OrHighHigh 25.96 (9.1%) 27.94
(12.1%) 7.6% ( -12% - 31%) 0.025
AndHighHigh 26.53 (13.5%) 28.56
(12.5%) 7.6% ( -16% - 38%) 0.062
AndHighMed 67.66 (12.1%) 73.09
(10.9%) 8.0% ( -13% - 35%) 0.027
OrMany 5.81 (5.0%) 6.34
(5.4%) 9.0% ( -1% - 20%) 0.000
Or3Terms 81.64 (6.7%) 89.03
(9.0%) 9.0% ( -6% - 26%) 0.000
And3Terms 88.70 (9.5%) 97.50
(8.6%) 9.9% ( -7% - 30%) 0.001
AndStopWords 9.61 (9.3%) 10.68
(9.3%) 11.1% ( -6% - 32%) 0.000
```
And it shows an similar speedup !
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