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https://issues.apache.org/jira/browse/SYSTEMML-1984?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias Boehm closed SYSTEMML-1984.
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Resolution: Fixed
Assignee: Matthias Boehm
Fix Version/s: SystemML 1.0
> Robustness JMLC wrt non-thread-local prepare and execute
> --------------------------------------------------------
>
> Key: SYSTEMML-1984
> URL: https://issues.apache.org/jira/browse/SYSTEMML-1984
> Project: SystemML
> Issue Type: Task
> Reporter: Matthias Boehm
> Assignee: Matthias Boehm
> Priority: Blocker
> Fix For: SystemML 1.0
>
>
> The JMLC API has an underlying assumption that prepared scripts are created
> and executed by the same thread because compiler configurations and output
> variable names for dynamic recompilation are maintained with thread-local
> variables. However, in complex scoring pipelines this is not the case leading
> to performance issues (e.g., multi-threaded operations despite
> single-threaded configuration) and in the worst case lost result variables.
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