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bpo-45947: Place dict and values pointer at fixed (negative) offset just before GC header. - #29879

Merged

markshannon merged 21 commits into

python:mainfrom

faster-cpython:regular-dict-placement

Dec 7, 2021

Merged

bpo-45947: Place dict and values pointer at fixed (negative) offset just before GC header.#29879
markshannon merged 21 commits into
python:mainfrom
faster-cpython:regular-dict-placement

Commits on Aug 5, 2021
- Remove unsafe _PyObject_GC_Calloc function.
  markshannon
  committed
  ee59772
Commits on Aug 6, 2021
- Place __dict__ immediately before GC header for variable sized objects and plain Python objects. Work in progress.
  markshannon
  committed
  72b71cc
Commits on Nov 29, 2021
- Restore documented behavior of tp_dictoffset.
  markshannon
  committed
  cd22dac
- Merge branch 'main' into regular-dict-placement
  markshannon
  committed
  4c83f77
- Fix up lazy dict creation logic to use managed dict pointers.
  markshannon
  committed
  8a8593c
Commits on Nov 30, 2021
- Manage values pointer, placing them directly before managed dict pointers.
  markshannon
  committed
  34b5cea
- Refactor a bit.
  markshannon
  committed
  e8c74ab
- Fix specialization of managed values.
  markshannon
  committed
  1bf13b0
- Convert hint-based load/store attr specialization target managed dict classes.
  markshannon
  committed
  a025dfb
- Specialize LOAD_METHOD for managed dict objects.
  markshannon
  committed
  5a012a8
Commits on Dec 1, 2021
- Merge branch 'main' into regular-dict-placement
  markshannon
  committed
  e7734b8
- Use newer API internally.
  markshannon
  committed
  14d41ab
- Add NEWS.
  markshannon
  committed
  123171a
- Use inline functions instead of magic constants.
  markshannon
  committed
  48d6a58
- Remove unsafe _PyObject_GC_Malloc() function.
  markshannon
  committed
  79e61bf
Commits on Dec 2, 2021
- Remove invalid assert.
  markshannon
  committed
  ce0f65b
Commits on Dec 3, 2021
- Add comment explaning use of Py_TPFLAGS_MANAGED_DICT.
  markshannon
  committed
  98ddaed
Commits on Dec 7, 2021
- Use inline function, not magic constant.
  markshannon
  committed
  0f376b5
- Tidy up struct layout a bit.
  markshannon
  committed
  d724812
- Tidy up gdb/libpython.py.
  markshannon
  committed
  9435bae
- Fix whitespace.
  markshannon
  committed
  302f46f

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bpo-45947: Place dict and values pointer at fixed (negative) offset just before GC header. - #29879

bpo-45947: Place dict and values pointer at fixed (negative) offset just before GC header.#29879
markshannon merged 21 commits into
python:mainfrom
faster-cpython:regular-dict-placement

Commits on Aug 5, 2021

Remove unsafe _PyObject_GC_Calloc function.

Commits on Aug 6, 2021

Place dict immediately before GC header for variable sized objects and plain Python objects. Work in progress.

Commits on Nov 29, 2021

Restore documented behavior of tp_dictoffset.

Merge branch 'main' into regular-dict-placement

Fix up lazy dict creation logic to use managed dict pointers.

Commits on Nov 30, 2021

Manage values pointer, placing them directly before managed dict pointers.

Refactor a bit.

Fix specialization of managed values.

Convert hint-based load/store attr specialization target managed dict classes.

Specialize LOAD_METHOD for managed dict objects.

Commits on Dec 1, 2021

Merge branch 'main' into regular-dict-placement

Use newer API internally.

Add NEWS.

Use inline functions instead of magic constants.

Remove unsafe _PyObject_GC_Malloc() function.

Commits on Dec 2, 2021

Remove invalid assert.

Commits on Dec 3, 2021

Add comment explaning use of Py_TPFLAGS_MANAGED_DICT.

Commits on Dec 7, 2021

Use inline function, not magic constant.

Tidy up struct layout a bit.

Tidy up gdb/libpython.py.

Fix whitespace.