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https://issues.apache.org/jira/browse/SPARK-4526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14650598#comment-14650598
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Joseph K. Bradley commented on SPARK-4526:
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I'm going to unset the target version, pending figuring out the optimization
APIs. That's been a long time coming, but I set the target for that to 1.6.
> Gradient should be added batch computing interface
> --------------------------------------------------
>
> Key: SPARK-4526
> URL: https://issues.apache.org/jira/browse/SPARK-4526
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Reporter: Guoqiang Li
> Assignee: Guoqiang Li
>
> If Gradient support batch computing, we can use some efficient numerical
> libraries(eg, BLAS).
> In some cases, it can improve the performance of more than ten times as much.
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