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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2018/04/28 03:50:00 UTC

[jira] [Created] (SYSTEMML-2284) Improve IPA for propagating scalar strings into functions

Matthias Boehm created SYSTEMML-2284:
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             Summary: Improve IPA for propagating scalar strings into functions
                 Key: SYSTEMML-2284
                 URL: https://issues.apache.org/jira/browse/SYSTEMML-2284
             Project: SystemML
          Issue Type: Task
            Reporter: Matthias Boehm


So far strings are not subject to IPA scalar propagation into functions (and the determination if it would be safe to do so). However, there are a number of functions that pass parameters like "train" / "eval" used in branches. If we would propagate consistent scalars into this functions, we can fold these constant predicates, removal unnecessary branches, and finally inline single-block functions into the caller.



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