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Reduce async overhead due to auto_await #1516

merged 1 commit into from Nov 9, 2021


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@mohd-akram mohd-akram commented Oct 18, 2021

The types of most rendered values tend to be primitives, so we can avoid a costly call to inspect.isawaitable for them. This improves performance by at least 15% in my tests.


  • Add tests that demonstrate the correct behavior of the change. Tests should fail without the change.
  • Add or update relevant docs, in the docs folder and in code.
  • Add an entry in CHANGES.rst summarizing the change and linking to the issue.
  • Add .. versionchanged:: entries in any relevant code docs.
  • Run pre-commit hooks and fix any issues.
  • Run pytest and tox, no tests failed.
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@mohd-akram mohd-akram commented Nov 4, 2021

@davidism Have you had a chance to look at this?

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@davidism davidism commented Nov 4, 2021

No not yet. When I do, I'll leave a review, comment, or merge and you'll get a notification.

@davidism davidism added this to the 3.0.3 milestone Nov 9, 2021
@davidism davidism changed the base branch from main to 3.0.x Nov 9, 2021
@davidism davidism merged commit c0130ea into pallets:3.0.x Nov 9, 2021
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@mohd-akram mohd-akram deleted the async-perf branch Nov 9, 2021
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2 participants