Skip to content

C-API docs: Clarify the size of arenas #110895

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
AlexWaygood merged 1 commit into from
Oct 16, 2023
Merged

C-API docs: Clarify the size of arenas #110895

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 2 additions & 1 deletion Doc/c-api/memory.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -626,7 +626,8 @@ The pymalloc allocator

Python has a *pymalloc* allocator optimized for small objects (smaller or equal
to 512 bytes) with a short lifetime. It uses memory mappings called "arenas"
with a fixed size of 256 KiB. It falls back to :c:func:`PyMem_RawMalloc` and
with a fixed size of either 256 KiB on 32-bit platforms or 1 MiB on 64-bit
platforms. It falls back to :c:func:`PyMem_RawMalloc` and
:c:func:`PyMem_RawRealloc` for allocations larger than 512 bytes.

*pymalloc* is the :ref:`default allocator <default-memory-allocators>` of the
Expand Down