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https://issues.apache.org/jira/browse/SPARK-17134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16000188#comment-16000188
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Apache Spark commented on SPARK-17134:
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User 'VinceShieh' has created a pull request for this issue:
https://github.com/apache/spark/pull/17894
> 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
>
> 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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