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https://issues.apache.org/jira/browse/SPARK-30773?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean R. Owen reassigned SPARK-30773:
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Assignee: Yan Ma
> Support NativeBlas for level-1 routines
> ---------------------------------------
>
> Key: SPARK-30773
> URL: https://issues.apache.org/jira/browse/SPARK-30773
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 2.4.3, 2.4.4
> Reporter: Yan Ma
> Assignee: Yan Ma
> Priority: Major
>
> In current ML BLAS.scala, all level-1 routines are fixed to use java
> implementation. But NativeBLAS(intel MKL, OpenBLAS) can bring up to 11X
> performance improvement based on performance test which apply direct calls
> against these methods. We should provide a way to allow user take advantage
> of NativeBLAS for level-1 routines, like also apply nativeBLAS for these
> methods.
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