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GH-104580: No local eval breaker #104581

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merged 4 commits into from
May 18, 2023

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markshannon
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@markshannon markshannon commented May 17, 2023

This PR:

  • Drops the locally cached pointer to the eval-breaker from PyEval_EvalDefault()
  • Moves the eval-breaker to be the first field in the interpreter state, since it is the hottest field.

A little bit faster, but might just be noise.

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No need for a news item, as we are just eliminating a local variable.

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@brandtbucher brandtbucher left a comment

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Nice change. Are you waiting for 3.13, or landing for 3.12?

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It's not a new feature. So why not?

@markshannon markshannon merged commit 68b5f08 into python:main May 18, 2023
carljm added a commit to carljm/cpython that referenced this pull request May 18, 2023
* main:
  pythongh-74690: Don't set special protocol attributes on non-protocol subclasses of protocols (python#104622)
  pythongh-104623: Update Windows installer to use SQLite 3.42.0 (python#104625)
  pythongh-104050: Add more type annotations to Argument Clinic (python#104628)
  pythongh-104629: Don't skip test_clinic if _testclinic is missing (python#104630)
  pythongh-104549: Set __module__ on TypeAliasType (python#104550)
  pythongh-104050: Improve some typing around `default`s and sentinel values (python#104626)
  pythongh-104146: Remove unused vars from Argument Clinic (python#104627)
  pythongh-104615: don't make unsafe swaps in apply_static_swaps (python#104620)
  pythonGH-104484: Add case_sensitive argument to `pathlib.PurePath.match()` (pythonGH-104565)
  pythonGH-96803: Document and test new unstable internal frame API functions (pythonGH-104211)
  pythonGH-104580: Don't cache eval breaker in interpreter (pythonGH-104581)
@markshannon markshannon deleted the no-local-eval-breaker branch September 26, 2023 12:55
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3 participants