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https://issues.apache.org/jira/browse/BEAM-9489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17136866#comment-17136866
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Beam JIRA Bot commented on BEAM-9489:
-------------------------------------
This issue was marked "stale-P2" and has not received a public comment in 14
days. It is now automatically moved to P3. If you are still affected by it, you
can comment and move it back to P2.
> python typehints: reduce the number of runtime-type-check wrappers
> ------------------------------------------------------------------
>
> Key: BEAM-9489
> URL: https://issues.apache.org/jira/browse/BEAM-9489
> Project: Beam
> Issue Type: Bug
> Components: sdk-py-core
> Reporter: Udi Meiri
> Priority: P3
> Labels: starter
>
> The --runtime_type_check flag is considered to be a performance penalty.
> One of the possible slowdowns is the wrapper around DoFn.process(), which
> adds an extra call to the wrapped process() method.
> Currently, there are 2 wrappers applied: OutputCheckWrapperDoFn and
> TypeCheckWrapperDoFn. These could be merged into one to possibly save on
> overhead.
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