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Posted to issues@spark.apache.org by "Seth Hendrickson (JIRA)" <ji...@apache.org> on 2016/08/18 17:53:22 UTC

[jira] [Created] (SPARK-17134) Use level 2 BLAS operations in LogisticAggregator

Seth Hendrickson created SPARK-17134:
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             Summary: Use level 2 BLAS operations in LogisticAggregator
                 Key: SPARK-17134
                 URL: https://issues.apache.org/jira/browse/SPARK-17134
             Project: Spark
          Issue Type: Sub-task
          Components: ML
            Reporter: Seth Hendrickson


Multinomial logistic regression uses LogisticAggregator class for gradient updates. We should look into refactoring MLOR to use level 2 BLAS operations for the updates. Performance testing should be done to show improvements.



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