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https://issues.apache.org/jira/browse/SYSTEMML-1683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias Boehm updated SYSTEMML-1683:
-------------------------------------
Description:
This task aims to improve the compilation of row-wise fused operators in order
to capture missed opportunities on MLogreg binomial scenarios (all of which are
general-purpose and will apply in other scenarios too). In detail, this includes
* Row-wise templates with generalized column indexing for side inputs.
* Fusion of cbind-0 operations into row-wise templates of type row_agg or
no_agg.
* Proper handling of row-wise operation DAGs with partial subexpressions and
multiple roots (ensure that fusion does not lead to unnecessary compuation)
> Improvements to row templates to capture missed opportunities
> -------------------------------------------------------------
>
> Key: SYSTEMML-1683
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1683
> Project: SystemML
> Issue Type: Sub-task
> Components: Compiler, Runtime
> Reporter: Matthias Boehm
> Fix For: SystemML 1.0
>
>
> This task aims to improve the compilation of row-wise fused operators in
> order to capture missed opportunities on MLogreg binomial scenarios (all of
> which are general-purpose and will apply in other scenarios too). In detail,
> this includes
> * Row-wise templates with generalized column indexing for side inputs.
> * Fusion of cbind-0 operations into row-wise templates of type row_agg or
> no_agg.
> * Proper handling of row-wise operation DAGs with partial subexpressions and
> multiple roots (ensure that fusion does not lead to unnecessary compuation)
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