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Title: bpo-45953: Statically allocate the main interpreter (and initial thread state). by ericsnowcurrently · Pull Request #29883 · python/cpython · GitHub

Open Graph Title: bpo-45953: Statically allocate the main interpreter (and initial thread state). by ericsnowcurrently · Pull Request #29883 · python/cpython

X Title: bpo-45953: Statically allocate the main interpreter (and initial thread state). by ericsnowcurrently · Pull Request #29883 · python/cpython

Description: Currently the main interpreter is allocated on the heap during runtime initialization. Here we are instead embedding it into _PyRuntimeState, which means it is statically allocated as part of the ...

Open Graph Description: Currently the main interpreter is allocated on the heap during runtime initialization. Here we are instead embedding it into _PyRuntimeState, which means it is statically allocated as part of the ...

X Description: Currently the main interpreter is allocated on the heap during runtime initialization. Here we are instead embedding it into _PyRuntimeState, which means it is statically allocated as part of the ...

Opengraph URL: https://github.com/python/cpython/pull/29883

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bpo-45953: Statically allocate the main interpreter (and initial thread state). https://github.com/python/cpython/pull/29883#top
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December 1, 2021 10:54https://github.com/python/cpython/pull/29883#commits-pushed-5e6eda9
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Return void from _PyEval_InitState().https://github.com/python/cpython/pull/29883/commits/5e6eda95dc3ae242b645576d5e6288ada726e433
5e6eda9https://github.com/python/cpython/pull/29883/commits/5e6eda95dc3ae242b645576d5e6288ada726e433
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Fix a memory leak.https://github.com/python/cpython/pull/29883/commits/de12b988231c4839403d6c45357d9e0ae3710b39
de12b98https://github.com/python/cpython/pull/29883/commits/de12b988231c4839403d6c45357d9e0ae3710b39
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Move thread-related interpreter state into a sub-struct.https://github.com/python/cpython/pull/29883/commits/035eff35781fa39f201a0b1239d6469cb28eafda
035eff3https://github.com/python/cpython/pull/29883/commits/035eff35781fa39f201a0b1239d6469cb28eafda
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Factor out init_threadstate().https://github.com/python/cpython/pull/29883/commits/1569a5384060dd89a5516afbb0b51eac94227104
1569a53https://github.com/python/cpython/pull/29883/commits/1569a5384060dd89a5516afbb0b51eac94227104
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Do not initialize a thread state if already initialized.https://github.com/python/cpython/pull/29883/commits/518e3f3b4881d4b296e1c5bf6ca275bd0e7a075f
518e3f3https://github.com/python/cpython/pull/29883/commits/518e3f3b4881d4b296e1c5bf6ca275bd0e7a075f
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Avoid allocating the first thread state.https://github.com/python/cpython/pull/29883/commits/9995a8458b149560dcff9ec252bf4527235c4f17
9995a84https://github.com/python/cpython/pull/29883/commits/9995a8458b149560dcff9ec252bf4527235c4f17
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Factor out init_interpreter().https://github.com/python/cpython/pull/29883/commits/f22d0da9105ba7917138c2f581511100c27cd209
f22d0dahttps://github.com/python/cpython/pull/29883/commits/f22d0da9105ba7917138c2f581511100c27cd209
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Preallocate the main interpreter.https://github.com/python/cpython/pull/29883/commits/cf39d57ed67470887f019019627ad5e750627ceb
cf39d57https://github.com/python/cpython/pull/29883/commits/cf39d57ed67470887f019019627ad5e750627ceb
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Add a note about expectations for init_interpreter().https://github.com/python/cpython/pull/29883/commits/b840213179cfc893adcfc2bdd4fa4b9319d3af0c
b840213https://github.com/python/cpython/pull/29883/commits/b840213179cfc893adcfc2bdd4fa4b9319d3af0c
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Add a NEWS entry.https://github.com/python/cpython/pull/29883/commits/3bf69b0b44865ba765cff36b786d33655967a57e
3bf69b0https://github.com/python/cpython/pull/29883/commits/3bf69b0b44865ba765cff36b786d33655967a57e
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Add _PyInterpreterState_Main().https://github.com/python/cpython/pull/29883/commits/4de466ec21ca475a8620ba9d5fd0d41363298375
4de466ehttps://github.com/python/cpython/pull/29883/commits/4de466ec21ca475a8620ba9d5fd0d41363298375
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December 1, 2021 19:30https://github.com/python/cpython/pull/29883#event-5701338375
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Use member non-pointer declarations in Py*State structs instead of heap-allocated pointers. faster-cpython/ideas#79 https://github.com/faster-cpython/ideas/issues/79
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December 2, 2021 16:43https://github.com/python/cpython/pull/29883#commits-pushed-9bb32a6
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Fix a check for the main interpreter.https://github.com/python/cpython/pull/29883/commits/9bb32a6cb953a5b3429c1c80fc8b8ff67408de27
9bb32a6https://github.com/python/cpython/pull/29883/commits/9bb32a6cb953a5b3429c1c80fc8b8ff67408de27
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Ensure no subinterpreters are created until after the main interprete…https://github.com/python/cpython/pull/29883/commits/385f2987354c96113468543093f1bd9571d4de72
385f298https://github.com/python/cpython/pull/29883/commits/385f2987354c96113468543093f1bd9571d4de72
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Make sure the interpreter is fully initialized.https://github.com/python/cpython/pull/29883/commits/354997f7935ba6377183a87e36813e7c55d41db0
354997fhttps://github.com/python/cpython/pull/29883/commits/354997f7935ba6377183a87e36813e7c55d41db0
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Use PyMem_RawCalloc() to allocate thread states.https://github.com/python/cpython/pull/29883/commits/9bbf8a0d56262fbe0f31dc07f50d5674522542af
9bbf8a0https://github.com/python/cpython/pull/29883/commits/9bbf8a0d56262fbe0f31dc07f50d5674522542af
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Make sure the thread state is fully initialized.https://github.com/python/cpython/pull/29883/commits/8d1cf355e83df6339654cce51fdc62fcb71a4c3e
8d1cf35https://github.com/python/cpython/pull/29883/commits/8d1cf355e83df6339654cce51fdc62fcb71a4c3e
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Clear the preallocated states when "deleted".https://github.com/python/cpython/pull/29883/commits/188aed88c9820311d66e922f1d5f31b94bba9d83
188aed8https://github.com/python/cpython/pull/29883/commits/188aed88c9820311d66e922f1d5f31b94bba9d83
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Statically initialize the "preallocated" states.https://github.com/python/cpython/pull/29883/commits/e0da4838c4d645cdab5eb487a63407e262dce0a9
e0da483https://github.com/python/cpython/pull/29883/commits/e0da4838c4d645cdab5eb487a63407e262dce0a9
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Fix a typo.https://github.com/python/cpython/pull/29883/commits/46c7767d3858fd80bb5fa36a5f785f9d9db13f18
46c7767https://github.com/python/cpython/pull/29883/commits/46c7767d3858fd80bb5fa36a5f785f9d9db13f18
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January 10, 2022 13:55https://github.com/python/cpython/pull/29883#commits-pushed-5b34b42
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Fold _PyThreadState_INIT into _PyInterpreterState_INIT.https://github.com/python/cpython/pull/29883/commits/5b34b4295181069e2f2bb152f157e004cd11dad8
5b34b42https://github.com/python/cpython/pull/29883/commits/5b34b4295181069e2f2bb152f157e004cd11dad8
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Fold _PyInterpreterState_INIT into _PyRuntimeState_INIT.https://github.com/python/cpython/pull/29883/commits/837bfe61d68d7bf7ca32d8c7f9619512950581c1
837bfe6https://github.com/python/cpython/pull/29883/commits/837bfe61d68d7bf7ca32d8c7f9619512950581c1
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Drop PyThreadState._preallocated.https://github.com/python/cpython/pull/29883/commits/ebefa3501b2d434549136ab11dd302c896613560
ebefa35https://github.com/python/cpython/pull/29883/commits/ebefa3501b2d434549136ab11dd302c896613560
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tstate -> initial_thread.https://github.com/python/cpython/pull/29883/commits/eb7a0800cd451422841472d93c6110c77cb87571
eb7a080https://github.com/python/cpython/pull/29883/commits/eb7a0800cd451422841472d93c6110c77cb87571
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Mirror the top-level structure in _preallocated.https://github.com/python/cpython/pull/29883/commits/1ef4a3938c17021c7825c52e475504992cb5334e
1ef4a39https://github.com/python/cpython/pull/29883/commits/1ef4a3938c17021c7825c52e475504992cb5334e
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Merge branch 'main' into preallocate-mainhttps://github.com/python/cpython/pull/29883/commits/771e57499829fe272d1e916a64a90ab7637e2237
771e574https://github.com/python/cpython/pull/29883/commits/771e57499829fe272d1e916a64a90ab7637e2237
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Clarify some comments.https://github.com/python/cpython/pull/29883/commits/b5c43f1634700294a343278f6ecb88438d7984d5
b5c43f1https://github.com/python/cpython/pull/29883/commits/b5c43f1634700294a343278f6ecb88438d7984d5
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Fold in _PyRuntimeState._preallocated.https://github.com/python/cpython/pull/29883/commits/bfc390680800c829311cfabd228320b789581658
bfc3906https://github.com/python/cpython/pull/29883/commits/bfc390680800c829311cfabd228320b789581658
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Make "initial" const.https://github.com/python/cpython/pull/29883/commits/9b25c8bce26c122f48a880d81d1a7517f07dc934
9b25c8bhttps://github.com/python/cpython/pull/29883/commits/9b25c8bce26c122f48a880d81d1a7517f07dc934
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Fold in PyInterpreterState._preallocated.https://github.com/python/cpython/pull/29883/commits/e776c31f037b797d6bb05125bfb0524f163c43d6
e776c31https://github.com/python/cpython/pull/29883/commits/e776c31f037b797d6bb05125bfb0524f163c43d6
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Move the initial thread to the bottom of PyInterpreterState.https://github.com/python/cpython/pull/29883/commits/c6bda1f1f05fbdd1d56141bb91cfb176d5cde7d8
c6bda1fhttps://github.com/python/cpython/pull/29883/commits/c6bda1f1f05fbdd1d56141bb91cfb176d5cde7d8
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Split up _PyRuntimeState_INIT for less nesting and clutter.https://github.com/python/cpython/pull/29883/commits/8ab6261f83aa74828f8e637f29bcf99934766b3d
8ab6261https://github.com/python/cpython/pull/29883/commits/8ab6261f83aa74828f8e637f29bcf99934766b3d
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Fix a comment.https://github.com/python/cpython/pull/29883/commits/ff8de281417f8b23dbfed98203345b0be7221d46
ff8de28https://github.com/python/cpython/pull/29883/commits/ff8de281417f8b23dbfed98203345b0be7221d46
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Move the main interpreter to the bottom of _PyRuntimeState.https://github.com/python/cpython/pull/29883/commits/b28afb3b5e1d216e74e49874127db1f6bac32974
b28afb3https://github.com/python/cpython/pull/29883/commits/b28afb3b5e1d216e74e49874127db1f6bac32974
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Clarify some comments.https://github.com/python/cpython/pull/29883/commits/0d30300727cbfbd30e3d18b7035aa2120b5dec25
0d30300https://github.com/python/cpython/pull/29883/commits/0d30300727cbfbd30e3d18b7035aa2120b5dec25
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Add a comment for the _static field.https://github.com/python/cpython/pull/29883/commits/e1937949c8a09972c3e40aa5728788fd2293cfda
e193794https://github.com/python/cpython/pull/29883/commits/e1937949c8a09972c3e40aa5728788fd2293cfda
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Move the comments about pre-allocated data down.https://github.com/python/cpython/pull/29883/commits/e9f1262d98307e1158f76d9c4215552f8b9f622c
e9f1262https://github.com/python/cpython/pull/29883/commits/e9f1262d98307e1158f76d9c4215552f8b9f622c
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Fix a typo.https://github.com/python/cpython/pull/29883/commits/a6a647167f389ffa107d40de70704929efab2bb2
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FIX: Account form stdbool.h being included in Python.hhttps://github.com/tacaswell/typed_ast/commit/9b849ca14d335538b1c9919ca83f95dbaa8182fb
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FIX: Account form stdbool.h being included in Python.h python/typed_ast#184 https://github.com/python/typed_ast/pull/184
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FIX: Account form stdbool.h being included in Python.h (https://github.com/python/typed_ast/commit/36110cfef2f6bf2442454cd453f56fa2d567b9e6
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Statically allocate interpreter states as much as possible. #90111 https://github.com/python/cpython/issues/90111
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