[jira] [Closed] (SYSTEMML-1683) Improvements to row templates to capture missed opportunities

["Matthias Boehm (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SYSTEMML-1683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matthias Boehm closed SYSTEMML-1683.
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> 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
>            Assignee: 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



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