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https://issues.apache.org/jira/browse/SYSTEMML-2320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16479486#comment-16479486
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Matthias Boehm commented on SYSTEMML-2320:
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Yeah almost - the degree of parallelism for the entire hierarchy of nodes is
computed independent of the operator types by another parfor rewrite. In its
basic form, it would assign a degree of parallelism n=K/k to the remaining ops,
where K is the maximum parallelism, and k is the parfor degree of parallelism.
Note that each parfor thread would run an instance of {{paramserv}}, and thus
in total we have a degree of parallelism of n*k.
> Parfor integration
> ------------------
>
> Key: SYSTEMML-2320
> URL: https://issues.apache.org/jira/browse/SYSTEMML-2320
> Project: SystemML
> Issue Type: Sub-task
> Reporter: LI Guobao
> Assignee: LI Guobao
> Priority: Major
>
> It aims to garanti the robustness for the case that the paramserv function is
> used inside a parfor statement.
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