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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2017/03/24 07:28:41 UTC

[jira] [Created] (SYSTEMML-1435) Extended tansitive operator selection

Matthias Boehm created SYSTEMML-1435:
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             Summary: Extended tansitive operator selection
                 Key: SYSTEMML-1435
                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1435
             Project: SystemML
          Issue Type: Sub-task
            Reporter: Matthias Boehm


This task aims to revisit and extend the current "transitive operator selection" decisions, which allow us to pull operations, which receive their inputs from other spark operations and likely reduce data sizes into spark execution type even though these operations would fit in memory.

Examples with missing transitive operator selection are right indexing and grouped aggregates.



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