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@markshannon
markshannon bpo-44590: Lazily allocate frame objects (GH-27077)
ae0a2b7 Jul 26, 2021
bpo-44590: Lazily allocate frame objects (GH-27077) 
* Convert "specials" array to InterpreterFrame struct, adding f_lasti, f_state and other non-debug FrameObject fields to it.

* Refactor, calls pushing the call to the interpreter upward toward _PyEval_Vector.

* Compute f_back when on thread stack, only filling in value when frame object outlives stack invocation.

* Move ownership of InterpreterFrame in generator from frame object to generator object.

* Do not create frame objects for Python calls.

* Do not create frame objects for generators.
ae0a2b7

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clinic
bpo-43950: Add option to opt-out of PEP-657 (GH-27023)
Jul 7, 2021
stringlib
bpo-41972: Tweak fastsearch.h string search algorithms (GH-27091)
Jul 19, 2021
README
Issue #18093: Factor out the programs that embed the runtime
Jul 25, 2014
abstract.c
bpo-42747: Remove Py_TPFLAGS_HAVE_AM_SEND and make Py_TPFLAGS_HAVE_VE…
Jul 23, 2021
accu.c
bpo-35081: Move accu.h to Include/internal/pycore_accu.h (GH-10271)
Nov 1, 2018
boolobject.c
bpo-41870: Avoid the test when nargs=0 (GH-22462)
Oct 1, 2020
bytearrayobject.c
bpo-42128: Structural Pattern Matching (PEP 634) (GH-22917)
Feb 26, 2021
bytes_methods.c
bpo-43179: Generalise alignment for optimised string routines (GH-24624)
Mar 31, 2021
bytesobject.c
bpo-42128: Structural Pattern Matching (PEP 634) (GH-22917)
Feb 26, 2021
call.c
bpo-42990: Further refactoring of PyEval_ functions. (GH-24368)
Feb 1, 2021
capsule.c
bpo-42519: Replace PyObject_MALLOC() with PyObject_Malloc() (GH-23587)
Dec 1, 2020
cellobject.c
bpo-40268: Remove unused pycore_pymem.h includes (GH-19531)
Apr 15, 2020
classobject.c
bpo-40268: Remove unused pycore_pymem.h includes (GH-19531)
Apr 15, 2020
codeobject.c
Remove legacy opcache structs (GH-27164)
Jul 16, 2021
complexobject.c
bpo-43475: Fix worst case collision behavior for NaN instances (GH-25493
Apr 22, 2021
descrobject.c
bpo-44661: Update property_descr_set to use vectorcall if possible. (G…
Jul 19, 2021
dictnotes.txt
Issue #15055: update dictnotes.txt. Patch by Mark Shannon.
Jun 24, 2012
dictobject.c
bpo-44531: Add _PyType_AllocNoTrack() function (GH-26947)
Jul 1, 2021
enumobject.c
bpo-42536: GC track recycled tuples (GH-23623)
Dec 5, 2020
exception_handling_notes.txt
bpo-40222: "Zero cost" exception handling (GH-25729)
May 7, 2021
exceptions.c
bpo-44029: Remove Py_UNICODE APIs (GH-25881)
May 7, 2021
fileobject.c
bpo-43916: PyStdPrinter_Type uses Py_TPFLAGS_DISALLOW_INSTANTIATION (G…
Apr 30, 2021
floatobject.c
bpo-43475: Fix worst case collision behavior for NaN instances (GH-25493
Apr 22, 2021
frameobject.c
bpo-44590: Lazily allocate frame objects (GH-27077)
Jul 26, 2021
funcobject.c
bpo-42073: allow classmethod to wrap other classmethod-like descripto…
Jul 15, 2021
genericaliasobject.c
bpo-44654: Refactor and clean up the union type implementation (GH-27196
Jul 17, 2021
genobject.c
bpo-44590: Lazily allocate frame objects (GH-27077)
Jul 26, 2021
interpreteridobject.c
bpo-43962: Fix _PyInterpreterState_IDIncref() (GH-25683)
Apr 28, 2021
iterobject.c
bpo-43751: Fix anext() bug where it erroneously returned None (GH-25238)
Apr 11, 2021
listobject.c
bpo-43977: Use tp_flags for collection matching (GH-25723)
Apr 30, 2021
listsort.txt
Fixes in sorting descriptions (GH-18317)
Feb 3, 2020
lnotab_notes.txt
Fix typo in lnotab_notes.txt (GH-26711)
Jun 14, 2021
longobject.c
Fix a potential reference-counting bug in long_pow (GH-26690)
Jun 13, 2021
memoryobject.c
bpo-43977: Use tp_flags for collection matching (GH-25723)
Apr 30, 2021
methodobject.c
bpo-42015: Reorder dereferencing calls in meth_dealloc, to make sure …
Oct 12, 2020
moduleobject.c
bpo-44717: improve AttributeError on circular imports of submodules (G…
Jul 24, 2021
namespaceobject.c
bpo-39075: types.SimpleNamespace no longer sorts attributes in its re…
May 16, 2020
object.c
bpo-44654: Refactor and clean up the union type implementation (GH-27196
Jul 17, 2021
obmalloc.c
bpo-44032: Move data stack to thread from FrameObject. (GH-26076)
May 21, 2021
odictobject.c
bpo-44337: Port LOAD_ATTR to PEP 659 adaptive interpreter (GH-26595)
Jun 10, 2021
picklebufobject.c
bpo-36785: PEP 574 implementation (GH-7076)
May 26, 2019
rangeobject.c
bpo-43977: Use tp_flags for collection matching (GH-25723)
Apr 30, 2021
setobject.c
bpo-43198: Revert 3dd2157 that removed freeslot tracking. (#25010)
Mar 24, 2021
sliceobject.c
bpo-43268: Pass interp rather than tstate to internal functions (GH-2…
Feb 19, 2021
structseq.c
bpo-43916: Move the _PyStructSequence_InitType function to the intern…
May 3, 2021
tupleobject.c
bpo-44531: Add _PyType_AllocNoTrack() function (GH-26947)
Jul 1, 2021
typeobject.c
bpo-44590: Lazily allocate frame objects (GH-27077)
Jul 26, 2021
typeslots.inc
bpo-41073: PyType_GetSlot() can now accept static types. (GH-21931)
Nov 10, 2020
typeslots.py
bpo-41073: PyType_GetSlot() can now accept static types. (GH-21931)
Nov 10, 2020
unicodectype.c
Removed unintentional trailing spaces in non-external and non-generat…
Mar 18, 2015
unicodeobject.c
bpo-44110: Improve string's __getitem__ error message (GH-26042)
Jun 27, 2021
unicodetype_db.h
closes bpo-39926: Update Unicode to 13.0.0. (GH-18910)
Mar 11, 2020
unionobject.c
bpo-44676: Serialize the union type using only public API (GH-27323)
Jul 24, 2021
weakrefobject.c
bpo-44720: Don't crash when calling weakref.proxy(not_an_iterator).__…
Jul 24, 2021

README 

Source files for various builtin objects