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Posted to issues@lucene.apache.org by GitBox <gi...@apache.org> on 2022/07/04 16:48:34 UTC
[GitHub] [lucene] jpountz commented on pull request #1005: LUCENE-10636: Avoid computing the same scores multiple times.
jpountz commented on PR #1005:
URL: https://github.com/apache/lucene/pull/1005#issuecomment-1174000758
luceneutil on `wikimedium10m` seems to confirm that this gives a noticeable speedup to disjunctions:
```
TaskQPS baseline StdDevQPS my_modified_version StdDev Pct diff p-value
AndHighLow 1621.76 (3.1%) 1611.29 (2.5%) -0.6% ( -6% - 5%) 0.476
OrNotHighLow 1514.17 (2.9%) 1507.60 (3.0%) -0.4% ( -6% - 5%) 0.638
AndHighMed 184.49 (3.9%) 187.19 (5.2%) 1.5% ( -7% - 10%) 0.312
OrNotHighMed 1442.80 (3.4%) 1464.42 (4.6%) 1.5% ( -6% - 9%) 0.242
OrHighNotLow 1877.95 (3.9%) 1907.58 (5.3%) 1.6% ( -7% - 11%) 0.282
AndHighHigh 84.87 (4.0%) 86.25 (5.8%) 1.6% ( -7% - 11%) 0.301
OrNotHighHigh 1025.32 (3.4%) 1043.39 (2.9%) 1.8% ( -4% - 8%) 0.078
OrHighNotHigh 1371.19 (3.7%) 1400.07 (3.3%) 2.1% ( -4% - 9%) 0.057
OrHighNotMed 1566.12 (3.8%) 1601.33 (3.9%) 2.2% ( -5% - 10%) 0.064
OrHighLow 788.64 (8.4%) 845.63 (6.8%) 7.2% ( -7% - 24%) 0.003
OrHighMed 178.01 (7.5%) 193.39 (6.0%) 8.6% ( -4% - 24%) 0.000
OrHighHigh 68.26 (11.9%) 74.88 (9.6%) 9.7% ( -10% - 35%) 0.004
```
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