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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2017/10/28 06:01:17 UTC

[jira] [Created] (SYSTEMML-1977) Codegen spark row ops failing w/ index-out-of-bounds

Matthias Boehm created SYSTEMML-1977:
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             Summary: Codegen spark row ops failing w/ index-out-of-bounds
                 Key: SYSTEMML-1977
                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1977
             Project: SystemML
          Issue Type: Bug
            Reporter: Matthias Boehm


On Kmeans, the fusion heuristic fnr is failing with index of of bounds on distributed (i.e., spark) codegen row operations. The root cause is misplaced meta data management, that implicitly assumes that the first side input is broadcast, which fails if this side input is also large and taken as an additional rdd input.



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