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Posted to issues@spark.apache.org by "Weichen Xu (JIRA)" <ji...@apache.org> on 2016/08/06 15:39:20 UTC

[jira] [Created] (SPARK-16934) Improve LogisticCostFun to avoid redundant serielization

Weichen Xu created SPARK-16934:
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             Summary: Improve LogisticCostFun to avoid redundant serielization
                 Key: SPARK-16934
                 URL: https://issues.apache.org/jira/browse/SPARK-16934
             Project: Spark
          Issue Type: Improvement
          Components: ML, MLlib
            Reporter: Weichen Xu


The LogisticCostFun, when calculate, it will serialize closure var `featureStd` each time when called, we can improve it using broadcast var.



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