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Posted to issues@systemml.apache.org by "Mike Dusenberry (JIRA)" <ji...@apache.org> on 2016/09/12 17:47:22 UTC

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

Mike Dusenberry created SYSTEMML-909:
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             Summary: `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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