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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2017/08/16 00:09:00 UTC

[jira] [Created] (SYSTEMML-1842) Compression decision lost after recompilation or codegen

Matthias Boehm created SYSTEMML-1842:
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             Summary: Compression decision lost after recompilation or codegen
                 Key: SYSTEMML-1842
                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1842
             Project: SystemML
          Issue Type: Bug
            Reporter: Matthias Boehm


Even with forced compression (compressed.linalg=true), compression is currently not applied if the respective HOP DAG is recompiled or subject to code generation. The root cause is an incomplete deep copy of the HOP DAG which loses the compression flag.



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