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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2017/08/21 21:23:00 UTC

[jira] [Created] (SYSTEMML-1857) Misc performance issues codegen templates

Matthias Boehm created SYSTEMML-1857:
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             Summary: Misc performance issues codegen templates
                 Key: SYSTEMML-1857
                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1857
             Project: SystemML
          Issue Type: Bug
            Reporter: Matthias Boehm


This task covers the following performance improvements:

* Avoid multi-threaded operations for small inputs (all templates)
* MAgg: select shared sparse-safe input as driver
* Row: used flipped outer computation depending on size



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