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https://issues.apache.org/jira/browse/SYSTEMML-1538?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias Boehm closed SYSTEMML-1538.
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> Improved dynamic recompilation (size update after rewrites)
> -----------------------------------------------------------
>
> Key: SYSTEMML-1538
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1538
> Project: SystemML
> Issue Type: Sub-task
> Components: Compiler
> Reporter: Matthias Boehm
> Assignee: Matthias Boehm
> Fix For: SystemML 1.0
>
>
> Dynamic recompilation currently first updates matrix characteristics and
> subsequently applied dynamic rewrites and operator selection which depend on
> the updates stats. However, there are various scenarios where applied
> rewrites simplify the propagation of statistics. Hence, we should
> additionally update statistics after rewrites in order to increase the
> potential of subsequent operator selection and code generation.
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