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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 04:02:13 UTC

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

     [ https://issues.apache.org/jira/browse/SPARK-17134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon updated SPARK-17134:
---------------------------------
    Labels: bulk-closed  (was: )

> 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
>            Assignee: Seth Hendrickson
>            Priority: Major
>              Labels: bulk-closed
>
> 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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