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https://issues.apache.org/jira/browse/SYSTEMML-909?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15485422#comment-15485422
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Mike Dusenberry commented on SYSTEMML-909:
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[~deron] Yes, I heard [~mboehm7] was going to add that capability to the engine
for 1.0. :D
> `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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