DOC: Add "Diagnosing performance bottlenecks" how-to page #62418
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Thank you for the pull request, but it appears this change isn't related to an open issue. Also I suspect this was heavily AI generated which the project discourages, so closing |
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Adds a new User Guide page, Diagnosing performance bottlenecks, with
pragmatic steps for measuring time/memory and addressing common sources of
slowness (vectorization vs apply, join/groupby keys, categoricals, eval).
New file: doc/source/user_guide/howto_performance_diagnosis.rst
TOC update in user_guide/index.rst
Docs-only; no API changes.
Related pages: :doc:enhancingperf, :doc:categorical, :doc:missing_data,
:doc:pyarrow.