Udi Meiri created BEAM-9489:
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Summary: 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
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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