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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2022/06/04 16:19:39 UTC

[GitHub] [beam] damccorm opened a new issue, #20226: python typehints: reduce the number of runtime-type-check wrappers

damccorm opened a new issue, #20226:
URL: https://github.com/apache/beam/issues/20226

   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. 
   
   Imported from Jira [BEAM-9489](https://issues.apache.org/jira/browse/BEAM-9489). Original Jira may contain additional context.
   Reported by: udim.


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