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https://issues.apache.org/jira/browse/SPARK-35530?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-35530.
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Fix Version/s: 3.2.0
Resolution: Fixed
fixed in https://github.com/apache/spark/pull/32673
> Fix rounding error in DifferentiableLossAggregatorSuite with Java 11
> --------------------------------------------------------------------
>
> Key: SPARK-35530
> URL: https://issues.apache.org/jira/browse/SPARK-35530
> Project: Spark
> Issue Type: Bug
> Components: ML, Tests
> Affects Versions: 3.2.0
> Reporter: Kousuke Saruta
> Assignee: Kousuke Saruta
> Priority: Minor
> Fix For: 3.2.0
>
>
> I'm personally checking whether all the tests pass with Java 11 for the
> current master and I found DifferentiableLossAggregatorSuite fails.
> https://github.com/sarutak/spark/runs/2661859541?check_suite_focus=true#step:9:13895
> The reason seems that the implementation of Blas.daxpy is different between
> for Java 8 and Java 11. For Java 11, Math.fma is used.
> https://github.com/luhenry/netlib/blob/v2.2.0/blas/src/main/java/dev/ludovic/netlib/blas/Java8BLAS.java#L92
> https://github.com/luhenry/netlib/blob/0053ea30b11686336cbdb8c7fceb41d59d268fa2/blas/src/main/java/dev/ludovic/netlib/blas/Java11BLAS.java#L40
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