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GeezerVison is showing github.com — gh-128563: Add correction note to tail call in whats new by Fidget-Spinner · Pull Request #130908 · python/cpython

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@Fidget-Spinner

@Fidget-Spinner Fidget-Spinner commented Mar 6, 2025 •
edited by bedevere-app Bot
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@nelhage

📚 Documentation preview 📚: https://cpython-previews--130908.org.readthedocs.build/

  • Issue: A new tail-calling interpreter for significantly better interpreter performance #128563

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@Fidget-Spinner
Add correction note to tail call in whats new
83ac375
@bedevere-app bedevere-app Bot added docs Documentation in the Doc dir skip news awaiting core review labels Mar 6, 2025
@github-project-automation github-project-automation Bot added this to Docs PRs Mar 6, 2025
@github-project-automation github-project-automation Bot moved this to Todo in Docs PRs Mar 6, 2025
@Fidget-Spinner Fidget-Spinner changed the title Add correction note to tail call in whats new gh-128563: Add correction note to tail call in whats new Mar 6, 2025
@bedevere-app bedevere-app Bot mentioned this pull request Mar 6, 2025
A new tail-calling interpreter for significantly better interpreter performance #128563
Closed
@Fidget-Spinner
Update 3.14.rst
9148fb0
@Fidget-Spinner

Fidget-Spinner commented Mar 6, 2025

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Merging ASAP so we don't further unintentionally mislead anyone.
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@Fidget-Spinner
Fidget-Spinner merged commit e4a6024 into python:main Mar 6, 2025
@github-project-automation github-project-automation Bot moved this from Todo to Done in Docs PRs Mar 6, 2025
@bedevere-app bedevere-app Bot removed the awaiting core review label Mar 6, 2025
@Fidget-Spinner
Fidget-Spinner deleted the corrections branch March 6, 2025 06:43
@bedevere-bot

bedevere-bot commented Mar 6, 2025

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⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot s390x RHEL9 Refleaks 3.x (tier-3) has failed when building commit e4a6024.

What do you need to do:

  1. Don't panic.
  2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
  3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/1589/builds/1062) and take a look at the build logs.
  4. Check if the failure is related to this commit (e4a6024) or if it is a false positive.
  5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/#/builders/1589/builds/1062

Failed tests:

  • test.test_multiprocessing_spawn.test_manager

Summary of the results of the build (if available):

==

Click to see traceback logs 
Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 266, in serve_client
    raise ke
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 260, in serve_client
    obj, exposed, gettypeid = id_to_obj[ident]
                              ~~~~~~~~~^^^^^^^
KeyError: '3ff8b8b5aa0'
---------------------------------------------------------------------------
k


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/process.py", line 313, in _bootstrap
    self.run()
    ~~~~~~~~^^
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
    ~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/_test_multiprocessing.py", line 1625, in f
    woken.release()
    ~~~~~~~~~~~~~^^
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 1067, in release
    return self._callmethod('release')
           ~~~~~~~~~~~~~~~~^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 848, in _callmethod
    raise convert_to_error(kind, result)
multiprocessing.managers.RemoteError: 
---------------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 264, in serve_client
    self.id_to_local_proxy_obj[ident]
    ~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^
KeyError: '3ffa16174e0'


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 266, in serve_client
    raise ke
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 260, in serve_client
    obj, exposed, gettypeid = id_to_obj[ident]
                              ~~~~~~~~~^^^^^^^
KeyError: '3ffa16174e0'
---------------------------------------------------------------------------
k


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/process.py", line 313, in _bootstrap
    self.run()
    ~~~~~~~~^^
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
    ~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/_test_multiprocessing.py", line 1625, in f
    woken.release()
    ~~~~~~~~~~~~~^^
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 1067, in release
    return self._callmethod('release')
           ~~~~~~~~~~~~~~~~^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 848, in _callmethod
    raise convert_to_error(kind, result)
multiprocessing.managers.RemoteError: 
---------------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 264, in serve_client
    self.id_to_local_proxy_obj[ident]
    ~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^
KeyError: '3ffaf8b1aa0'


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 266, in serve_client
    raise ke
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 260, in serve_client
    obj, exposed, gettypeid = id_to_obj[ident]
                              ~~~~~~~~~^^^^^^^
KeyError: '3ff906174e0'
---------------------------------------------------------------------------
Timeout (0:45:00)!
Thread 0x000003ff9fbf3740 (most recent call first):
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/popen_fork.py", line 28 in poll
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/popen_fork.py", line 44 in wait
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/process.py", line 149 in join
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/unittest/case.py", line 623 in _callCleanup
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/unittest/case.py", line 697 in doCleanups
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/unittest/case.py", line 664 in run
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/unittest/case.py", line 716 in __call__
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/unittest/suite.py", line 122 in run
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/unittest/suite.py", line 84 in __call__
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/unittest/suite.py", line 122 in run
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/unittest/suite.py", line 84 in __call__
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/unittest/runner.py", line 259 in run
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/single.py", line 84 in _run_suite
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/single.py", line 42 in run_unittest
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/single.py", line 162 in test_func
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/refleak.py", line 132 in runtest_refleak
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/single.py", line 114 in regrtest_runner
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/single.py", line 165 in _load_run_test
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/single.py", line 210 in _runtest_env_changed_exc
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/single.py", line 319 in _runtest
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/single.py", line 348 in run_single_test
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/worker.py", line 92 in worker_process
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/worker.py", line 127 in main
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/worker.py", line 131 in <module>
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/runpy.py", line 88 in _run_code
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/runpy.py", line 198 in _run_module_as_main


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/process.py", line 313, in _bootstrap
    self.run()
    ~~~~~~~~^^
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
    ~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/_test_multiprocessing.py", line 1625, in f
    woken.release()
    ~~~~~~~~~~~~~^^
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 1067, in release
    return self._callmethod('release')
           ~~~~~~~~~~~~~~~~^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 848, in _callmethod
    raise convert_to_error(kind, result)
multiprocessing.managers.RemoteError: 
---------------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 264, in serve_client
    self.id_to_local_proxy_obj[ident]
    ~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^
KeyError: '3ff8b8b5aa0'


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/process.py", line 313, in _bootstrap
    self.run()
    ~~~~~~~~^^
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
    ~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/_test_multiprocessing.py", line 1625, in f
    woken.release()
    ~~~~~~~~~~~~~^^
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 1067, in release
    return self._callmethod('release')
           ~~~~~~~~~~~~~~~~^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 848, in _callmethod
    raise convert_to_error(kind, result)
multiprocessing.managers.RemoteError: 
---------------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 264, in serve_client
    self.id_to_local_proxy_obj[ident]
    ~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^
KeyError: '3ff906174e0'


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 266, in serve_client
    raise ke
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/managers.py", line 260, in serve_client
    obj, exposed, gettypeid = id_to_obj[ident]
                              ~~~~~~~~~^^^^^^^
KeyError: '3ffaf8b1aa0'
---------------------------------------------------------------------------
Timeout (0:45:00)!
Thread 0x000003ffa35f3740 (most recent call first):
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/popen_fork.py", line 28 in poll
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/popen_fork.py", line 44 in wait
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/multiprocessing/process.py", line 149 in join
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/unittest/case.py", line 623 in _callCleanup
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/unittest/case.py", line 697 in doCleanups
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/unittest/case.py", line 664 in run
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/unittest/case.py", line 716 in __call__
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/unittest/suite.py", line 122 in run
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/unittest/suite.py", line 84 in __call__
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/unittest/suite.py", line 122 in run
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/unittest/suite.py", line 84 in __call__
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/unittest/runner.py", line 259 in run
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/single.py", line 84 in _run_suite
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/single.py", line 42 in run_unittest
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/single.py", line 162 in test_func
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/refleak.py", line 132 in runtest_refleak
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/single.py", line 114 in regrtest_runner
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/single.py", line 165 in _load_run_test
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/single.py", line 210 in _runtest_env_changed_exc
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/single.py", line 319 in _runtest
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/single.py", line 348 in run_single_test
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/worker.py", line 92 in worker_process
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/worker.py", line 127 in main
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/test/libregrtest/worker.py", line 131 in <module>
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/runpy.py", line 88 in _run_code
  File "/home/buildbot/buildarea/3.x.cstratak-rhel9-s390x.refleak/build/Lib/runpy.py", line 198 in _run_module_as_main
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@bedevere-bot

bedevere-bot commented Mar 6, 2025

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⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 RHEL8 Refleaks 3.x (tier-1) has failed when building commit e4a6024.

What do you need to do:

  1. Don't panic.
  2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
  3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/259/builds/2272) and take a look at the build logs.
  4. Check if the failure is related to this commit (e4a6024) or if it is a false positive.
  5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/#/builders/259/builds/2272

Failed tests:

  • test.test_multiprocessing_spawn.test_manager

Summary of the results of the build (if available):

==

Click to see traceback logs 
Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/process.py", line 313, in _bootstrap
    self.run()
    ~~~~~~~~^^
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
    ~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/_test_multiprocessing.py", line 1625, in f
    woken.release()
    ~~~~~~~~~~~~~^^
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/managers.py", line 1067, in release
    return self._callmethod('release')
           ~~~~~~~~~~~~~~~~^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/managers.py", line 848, in _callmethod
    raise convert_to_error(kind, result)
multiprocessing.managers.RemoteError: 
---------------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/managers.py", line 264, in serve_client
    self.id_to_local_proxy_obj[ident]
    ~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^
KeyError: '7f24cbdad950'


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/managers.py", line 266, in serve_client
    raise ke
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/managers.py", line 260, in serve_client
    obj, exposed, gettypeid = id_to_obj[ident]
                              ~~~~~~~~~^^^^^^^
KeyError: '7f24cbdad950'
---------------------------------------------------------------------------
Timeout (0:45:00)!
Thread 0x00007fc5ee9ca240 (most recent call first):
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/popen_fork.py", line 28 in poll
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/popen_fork.py", line 44 in wait
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/process.py", line 149 in join
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/unittest/case.py", line 623 in _callCleanup
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/unittest/case.py", line 697 in doCleanups
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/unittest/case.py", line 664 in run
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/unittest/case.py", line 716 in __call__
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/unittest/suite.py", line 122 in run
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/unittest/suite.py", line 84 in __call__
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/unittest/suite.py", line 122 in run
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/unittest/suite.py", line 84 in __call__
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/unittest/runner.py", line 259 in run
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/single.py", line 84 in _run_suite
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/single.py", line 42 in run_unittest
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/single.py", line 162 in test_func
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/refleak.py", line 132 in runtest_refleak
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/single.py", line 114 in regrtest_runner
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/single.py", line 165 in _load_run_test
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/single.py", line 210 in _runtest_env_changed_exc
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/single.py", line 319 in _runtest
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/single.py", line 348 in run_single_test
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/worker.py", line 92 in worker_process
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/worker.py", line 127 in main
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/worker.py", line 131 in <module>
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/runpy.py", line 88 in _run_code
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/runpy.py", line 198 in _run_module_as_main


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/managers.py", line 266, in serve_client
    raise ke
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/managers.py", line 260, in serve_client
    obj, exposed, gettypeid = id_to_obj[ident]
                              ~~~~~~~~~^^^^^^^
KeyError: '7fd80fe7d950'
---------------------------------------------------------------------------
Timeout (0:45:00)!
Thread 0x00007f87540d8240 (most recent call first):
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/popen_fork.py", line 28 in poll
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/popen_fork.py", line 44 in wait
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/process.py", line 149 in join
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/unittest/case.py", line 623 in _callCleanup
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/unittest/case.py", line 697 in doCleanups
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/unittest/case.py", line 664 in run
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/unittest/case.py", line 716 in __call__
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/unittest/suite.py", line 122 in run
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/unittest/suite.py", line 84 in __call__
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/unittest/suite.py", line 122 in run
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/unittest/suite.py", line 84 in __call__
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/unittest/runner.py", line 259 in run
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/single.py", line 84 in _run_suite
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/single.py", line 42 in run_unittest
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/single.py", line 162 in test_func
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/refleak.py", line 132 in runtest_refleak
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/single.py", line 114 in regrtest_runner
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/single.py", line 165 in _load_run_test
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/single.py", line 210 in _runtest_env_changed_exc
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/single.py", line 319 in _runtest
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/single.py", line 348 in run_single_test
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/worker.py", line 92 in worker_process
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/worker.py", line 127 in main
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/libregrtest/worker.py", line 131 in <module>
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/runpy.py", line 88 in _run_code
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/runpy.py", line 198 in _run_module_as_main


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/process.py", line 313, in _bootstrap
    self.run()
    ~~~~~~~~^^
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
    ~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/_test_multiprocessing.py", line 1625, in f
    woken.release()
    ~~~~~~~~~~~~~^^
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/managers.py", line 1067, in release
    return self._callmethod('release')
           ~~~~~~~~~~~~~~~~^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/managers.py", line 848, in _callmethod
    raise convert_to_error(kind, result)
multiprocessing.managers.RemoteError: 
---------------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/managers.py", line 264, in serve_client
    self.id_to_local_proxy_obj[ident]
    ~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^
KeyError: '7fd80fe7d950'


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/managers.py", line 266, in serve_client
    raise ke
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/managers.py", line 260, in serve_client
    obj, exposed, gettypeid = id_to_obj[ident]
                              ~~~~~~~~~^^^^^^^
KeyError: '7f88363b9950'
---------------------------------------------------------------------------
k


Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/process.py", line 313, in _bootstrap
    self.run()
    ~~~~~~~~^^
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/process.py", line 108, in run
    self._target(*self._args, **self._kwargs)
    ~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/test/_test_multiprocessing.py", line 1625, in f
    woken.release()
    ~~~~~~~~~~~~~^^
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/managers.py", line 1067, in release
    return self._callmethod('release')
           ~~~~~~~~~~~~~~~~^^^^^^^^^^^
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/managers.py", line 848, in _callmethod
    raise convert_to_error(kind, result)
multiprocessing.managers.RemoteError: 
---------------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-x86_64.refleak/build/Lib/multiprocessing/managers.py", line 264, in serve_client
    self.id_to_local_proxy_obj[ident]
    ~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^
KeyError: '7f88363b9950'
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@Fidget-Spinner

Fidget-Spinner commented Mar 6, 2025

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@nelhage fyi i gave you credit for finding this as well in the whats new, please check it out :)!
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mdboom
mdboom reviewed Mar 6, 2025
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Comment thread Doc/whatsnew/3.14.rst

.. attention::

This section previously reported a 9-15% geomean speedup. This number has since been

@mdboom mdboom Mar 6, 2025

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Can we say "geometric mean" here? I think geomean is too jargonny.

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@Fidget-Spinner Fidget-Spinner Mar 6, 2025

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🤦 thanks, but I automerged too quickly.

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mdboom
mdboom reviewed Mar 6, 2025
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Comment thread Doc/whatsnew/3.14.rst
cautiously revised down to 3-5%. While we expect performance results to be better
than what we report, our estimates are more conservative due to a
`compiler bug <https://github.com/llvm/llvm-project/issues/106846>`_ found in
Clang/LLVM 19. We were unaware of this bug, and it artifically boosted

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Instead of saying "artificially boosted our numbers" (which seems to imply it magically made tail calling even better), maybe say "which negatively impacted the performance of the traditional non-tail calling interpreter loop"

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Yeah Stefan Marr pointed out that the artificially boosting comment makes no sense too. So I addressed that here #130911

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@Fidget-Spinner @bedevere-bot @mdboom
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