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Posted to issues@systemml.apache.org by "Matthias Boehm (JIRA)" <ji...@apache.org> on 2017/07/06 00:36:00 UTC
[jira] [Commented] (SYSTEMML-1740) Missing call to super in
FunctionOp#computeMemEstimate()
[ https://issues.apache.org/jira/browse/SYSTEMML-1740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16075690#comment-16075690 ]
Matthias Boehm commented on SYSTEMML-1740:
------------------------------------------
Thanks for bringing this up [~tedyu]. The reason why FunctionOps do not call {{super.computeMemEstimate()}} is that function calls (for example of DML-bodied functions) use "call-by-reference" for inputs and hence do not need to pin their inputs or outputs, and hence do not require memory. Accordingly, we handle these memory estimates in a function type specific manner.
> Missing call to super in FunctionOp#computeMemEstimate()
> --------------------------------------------------------
>
> Key: SYSTEMML-1740
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1740
> Project: SystemML
> Issue Type: Bug
> Reporter: Ted Yu
> Priority: Minor
>
> super.computeMemEstimate() should be called, as is done in other classes such as AggBinaryOp.
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