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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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Yan Ma updated SPARK-30773:
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Description: 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.
(was: 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 an option to allow user take advantage
of NativeBLAS for level-1 routines.)
> 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
> 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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