Yan Ma created SPARK-30773:
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Summary: 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: 2.4.4, 2.4.3
Reporter: Yan Ma
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.
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