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bpo-45953: Statically allocate the main interpreter (and initial thread state). - #29883

Merged

ericsnowcurrently merged 78 commits into

python:mainfrom

ericsnowcurrently:preallocate-main

Jan 12, 2022

Commits on Dec 1, 2021
- Return void from _PyEval_InitState().
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  5e6eda9
- Fix a memory leak.
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  de12b98
- Move thread-related interpreter state into a sub-struct.
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  035eff3
- Factor out init_threadstate().
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- Do not initialize a thread state if already initialized.
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  518e3f3
- Avoid allocating the first thread state.
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  9995a84
- Factor out init_interpreter().
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  f22d0da
- Preallocate the main interpreter.
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  cf39d57
- Add a note about expectations for init_interpreter().
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- Add a NEWS entry.
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- Add _PyInterpreterState_Main().
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Commits on Dec 2, 2021
Commits on Dec 3, 2021
- Fix a typo.
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  46c7767
- Stop memset'ing the statically initialized _PyRuntime.
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  7ca8d1c
- Fix typos.
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  ed6c273
- Only expose _PyThreadState_INIT in the internal API.
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  29e1764
- If needed, "statically" initialize the preallocated thread state.
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- Check if _preallocated is initialized when initializing from other.
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- init_interpreter_from_other -> init_interpreter_static_data.
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  a0569bb
- "Statically" initialize the preallocated thread state.
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- Clear _PyRuntime during finalization.
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  47bfa7e
- Track if interpreter or thread state has been initialized.
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  dd69ffa
- Zero-out states during re-init instead of fini.
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  ba75803
- Use Py_uintptr_t instead of ssize_t.
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  eef3194
Commits on Dec 8, 2021
- Add Py*State._initialized.
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  8703297
- Factor out init_threadstate().
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  d1eddad
- Factor out free_threadstate().
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  8a8150c
- Factor out init_interpreter().
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  7a37237
- Factor out free_interpreter().
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  b2073ac
- Factor out init_runtime().
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  21a522d
- Factor out _PyRuntimeState_reset().
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  7b376d4
- Merge branch 'main' into preallocate-main
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  562ee42
- Add _PyInterpreterState_Main().
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  ed8f5cd
- Drop an outdated comment.
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  6da97b7
- Fix a check for the main interpreter.
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  cf24942
- Merge branch 'main' into preallocate-main
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  fac6af6
- Merge branch 'main' into preallocate-main
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  4aa2073
Commits on Dec 14, 2021
- Merge branch 'main' into preallocate-main
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  f135168
- Move *_reset() out of the Include/.
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  2b4ba04
- Pass the parent context to init_*_static_data().
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  24d1de2
- Drop reset_*() and init_*_static_data().
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  84ae7db
- Drop _Py_global_objects_reset().
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  e9de30c
Commits on Dec 16, 2021
- Drop _preallocated.initialized.
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  51a32ce
- Drop _preallocated_used.
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  7104518
- Drop init of PyThreadState._preallocated for now.
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  f7a8389
- Note what could be pre-allocated.
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  18080a1
- Add Py*State._static.
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  0457119
Commits on Dec 17, 2021
- Avoid an empty struct.
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  923ca7a
Commits on Jan 4, 2022
- Drop PyInterpreterState._preallocated.initialized.
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  99c2ae1
- Drop an outdated comment.
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  3bc73ee
- Drop outdated comments.
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  c1808ae
- Clarify what remains to be pre-allocated for _PyRuntimeState.
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  7b98e59
- Explain what _preallocated is for.
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  0383eae
- Clarify why some data isn't pre-allocated.
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  c959db0
Commits on Jan 10, 2022
Commits on Jan 11, 2022
- tstate -> initial_thread.
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  eb7a080
- Mirror the top-level structure in _preallocated.
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  1ef4a39
- Merge branch 'main' into preallocate-main
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  771e574
- Clarify some comments.
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  b5c43f1
- Fold in _PyRuntimeState._preallocated.
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  bfc3906
- Make "initial" const.
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- Fold in PyInterpreterState._preallocated.
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  e776c31
- Move the initial thread to the bottom of PyInterpreterState.
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  c6bda1f
- Split up _PyRuntimeState_INIT for less nesting and clutter.
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  8ab6261
- Fix a comment.
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  ff8de28
- Move the main interpreter to the bottom of _PyRuntimeState.
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  b28afb3
- Clarify some comments.
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  0d30300
Commits on Jan 12, 2022
- Add a comment for the _static field.
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  e193794
- Move the comments about pre-allocated data down.
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  e9f1262
- Fix a typo.
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  a6a6471

Commits

Commits on Dec 1, 2021

Commits on Dec 2, 2021

Commits on Dec 3, 2021

Commits on Dec 8, 2021

Commits on Dec 14, 2021

Commits on Dec 16, 2021

Commits on Dec 17, 2021

Commits on Jan 4, 2022

Commits on Jan 10, 2022

Commits on Jan 11, 2022

Commits on Jan 12, 2022