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Posted to issues@systemml.apache.org by "Mike Dusenberry (JIRA)" <ji...@apache.org> on 2016/09/12 20:48:20 UTC

[jira] [Commented] (SYSTEMML-909) `determineDataFrameDimensionsIfNeeded(...)` is a bottleneck.

    [ https://issues.apache.org/jira/browse/SYSTEMML-909?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15485245#comment-15485245 ] 

Mike Dusenberry commented on SYSTEMML-909:
------------------------------------------

cc [~deron], [~mboehm7], [~niketanpansare]

> `determineDataFrameDimensionsIfNeeded(...)` is a bottleneck.
> ------------------------------------------------------------
>
>                 Key: SYSTEMML-909
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-909
>             Project: SystemML
>          Issue Type: Improvement
>            Reporter: Mike Dusenberry
>
> The {{[determineDataFrameDimensionsIfNeeded(...) | https://github.com/apache/incubator-systemml/blob/master/src/main/java/org/apache/sysml/api/mlcontext/MLContextConversionUtil.java#L585]}} function in {{MLContext}} is a major bottleneck, particularly due to the `javaRDD` call.



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