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https://issues.apache.org/jira/browse/LUCENE-10534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17530809#comment-17530809
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Kevin Risden commented on LUCENE-10534:
---------------------------------------
Thanks I just pushed changes to simplify the tests based on the sum example. I
forgot about that example and it definitely is a valid test.
{code:java}
I assume these test changes pass w/o your code changes? (
{code}
yes - checked before and after tests pass. Checked that my invalid assumption
around returning zero on exists FAILS the new tests as well.
{quote}you could also include a specific test of the "real world" example{quote}
Thanks that is much better - fixed and removed the contrived example.
{code:java}
that's just you "re-formatting" the order of the checks to be consistent (so
that exists is always checked before hits) correct?
{code}
correct. Tried to make it consistent.
> MinFloatFunction / MaxFloatFunction calls exists twice
> ------------------------------------------------------
>
> Key: LUCENE-10534
> URL: https://issues.apache.org/jira/browse/LUCENE-10534
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Kevin Risden
> Assignee: Kevin Risden
> Priority: Minor
> Attachments: flamegraph.png, flamegraph_getValueForDoc.png
>
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> MinFloatFunction
> (https://github.com/apache/lucene/blob/main/lucene/queries/src/java/org/apache/lucene/queries/function/valuesource/MinFloatFunction.java)
> and MaxFloatFunction
> (https://github.com/apache/lucene/blob/main/lucene/queries/src/java/org/apache/lucene/queries/function/valuesource/MaxFloatFunction.java)
> both check if values exist twice. This change prevents the duplicate exists
> check.
> Tested with JMH here: https://github.com/risdenk/lucene-jmh
> | Benchmark | Mode |
> Cnt | Score and Error | Units |
> |-----------------------------------------------------------------|-------|-----|------------------|-------|
> | MyBenchmark.testMaxFloatFunction | thrpt |
> 25 | 64.159 ± 2.031 | ops/s |
> | MyBenchmark.testNewMaxFloatFunction | thrpt |
> 25 | 94.997 ± 2.365 | ops/s |
> | MyBenchmark.testMaxFloatFunctionRareField | thrpt |
> 25 | 244.921 ± 6.439 | ops/s |
> | MyBenchmark.testNewMaxFloatFunctionRareField | thrpt |
> 25 | 239.288 ± 5.136 | ops/s |
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