bpo-45947: Place dict and values pointer at fixed (negative) offset just before GC header. by markshannon · Pull Request #29879 · python/cpython · GitHub

Commits on Nov 30, 2021

Commits on Dec 1, 2021

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

bpo-45947: Place dict and values pointer at fixed (negative) offset just before GC header. by markshannon · Pull Request #29879 · python/cpython · GitHub

Uh oh!

Uh oh!

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.

bpo-45947: Place dict and values pointer at fixed (negative) offset just before GC header. by markshannon · Pull Request #29879 · python/cpython · GitHub

Uh oh!

Uh oh!

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.#29879markshannon merged 21 commits intopython:mainpython/cpython:mainfrom faster-cpython:regular-dict-placementfaster-cpython/cpython:regular-dict-placementCopy head branch name to clipboard

Commits

Commits on Aug 5, 2021

Commits on Aug 6, 2021

Commits on Nov 29, 2021

Commits on Nov 30, 2021

Commits on Dec 1, 2021

Commits on Dec 2, 2021

Commits on Dec 3, 2021

Commits on Dec 7, 2021

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