issues: 1699099029

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id node_id number title user state locked assignee milestone comments created_at updated_at closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
1699099029 PR_kwDOAMm_X85P8IoD 7824 Improve concat performance 14371165 closed 0     1 2023-05-07T14:54:06Z 2023-06-02T14:36:11Z 2023-06-02T14:36:11Z MEMBER   0 pydata/xarray/pulls/7824
  • Don't use python for loops for possibly large coords. Rather create a np array once then filter out bad data.
  • DuckArrayModule is slightly slow, so cache the first import in a dict instead to speed up later calls.

  • Add more typing to be more confident that inputs are valid and then remove redundant checks and conversions.

  • [x] Requires #7843

  • [x] Requires #7844.
  • [x] Requires #7858
  • [x] Closes #7833
  • [x] Tests added
  • [x] User visible changes (including notable bug fixes) are documented in whats-new.rst
 
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