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https://issues.apache.org/jira/browse/SPARK-4526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14220624#comment-14220624
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Apache Spark commented on SPARK-4526:
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User 'witgo' has created a pull request for this issue:
https://github.com/apache/spark/pull/3399
> 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
>
> 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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