msokolov commented on PR #913:
URL: https://github.com/apache/lucene/pull/913#issuecomment-1133979777
I ran luceneutil (after adding support for this new encoding, and scaling
the vectors used on the build the candidate index and queries) and got decent
results:
Task QPS | baseline | StdDev | candidate | StdDev |
Pct diff | p-value
--------------- | -------: | ----------- | ---------: | ----------- |
----------------------- | --------- :
PKLookup | 133.47 | (18.7%) | 130.73 | (24.6%) |
-2.0% ( -38% - 50%) | 0.767
LowTermVector | 1024.29 | (15.6%) | 1140.88 | (16.3%) |
11.4% ( -17% - 51%) | 0.024
MedTermVector | 727.57 | (8.6%) | 850.54 | (14.0%) |
16.9% ( -5% - 43%) | 0.000
AndHighMedVector | 934.28 | (8.9%) | 1105.48 | (15.0%) |
18.3% ( -5% - 46%) | 0.000
AndHighHighVector| 789.04 | (11.1%) | 947.74 | (16.1%) |
20.1% ( -6% - 53%) | 0.000
AndHighLowVector | 910.39 | (13.2%) | 1219.95 | (22.2%) |
34.0% ( -1% - 79%) | 0.000
HighTermVector | 674.78 | (8.8%) | 915.99 | (17.9%) |
35.7% ( 8% - 68%) | 0.000
I have no explanation for the drop in PKLookup -- I checked the two indexes
and they have the same named files, all the same sizes except for the .vec and
.vem files, as expected.
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