8000 gh-90815: Add mimalloc memory allocator by DinoV · Pull Request #109914 · python/cpython · GitHub
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Merged
merged 24 commits into from
Oct 30, 2023
Merged

gh-90815: Add mimalloc memory allocator #109914

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79b2cf4
Add mimalloc v2.0.9
colesbury Feb 10, 2020
0288841
Upgrade to mimalloc 2.12
DinoV Sep 21, 2023
612c35e
Fix mimalloc formatting
DinoV Sep 27, 2023
359f90a
Don't export symbol
DinoV Sep 26, 2023
7117b06
Blurb
DinoV Sep 26, 2023
6bd9b0e
mimalloc: enable as allocator option
DinoV Sep 25, 2023
2165c5f
Add includes to analyzer
DinoV Sep 27, 2023
b6bddbf
mimalloc: minimal changes for use in Python
colesbury Feb 11, 2020
7f7f4fe
Add mimalloc MIT license
DinoV Sep 29, 2023
7368010
Log mimalloc in Lib/test/pythoninfo.py
DinoV Oct 2, 2023
8975bd1
Use macro defs for exports as done in https://github.com/python/cpyth…
DinoV Oct 2, 2023
8a71892
Fix formatting
DinoV Oct 2, 2023
d725922
Fix ./python -m test test_sys -R 3:3
DinoV Oct 6, 2023
2cb4aaf
Move mimalloc headers to internal, remove re-defs, update smelly
DinoV Oct 10, 2023
82305dc
Fix header locations on Windows
DinoV Oct 11, 2023
2d0158a
Try again to fix windows headers
DinoV Oct 12, 2023
708cc66
Make memory sanitizer happy
DinoV Oct 16, 2023
526a08d
Keep pymalloc the default
DinoV Oct 23, 2023
3d43b3a
Update Lib/test/pythoninfo.py
vstinner Oct 30, 2023
3261bcb
license.rst: remove empty line at the end
vstinner Oct 30, 2023
99c4a24
Reduce Makefile.pre.in indentation
vstinner Oct 30, 2023
e2e36dc
obmalloc.c: indent
vstinner Oct 30, 2023
62b7b83
Split _PyObject_DebugMallocStats() in sub-functions
vstinner Oct 30, 2023
ab829b3
Fix memory doc
vstinner Oct 30, 2023
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Fix formatting 
Summary:

Test Plan:

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@DinoV
DinoV committed Oct 12, 2023
commit 8a7189275d4fa4ca0b4d79040b743dc9c8dbe813
2 changes: 1 addition & 1 deletion Doc/c-api/init_config.rst
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Expand Up @@ -265,7 +265,7 @@ PyPreConfig

``PYMEM_ALLOCATOR_MIMALLOC`` and ``PYMEM_ALLOCATOR_MIMALLOC_DEBUG`` are
not supported if Python is :option:`configured using --without-mimalloc
<--without-mimalloc>` or if the underlying atomic support isn't
<--without-mimalloc>` or if the underlying atomic support isn't
available.

See :ref:`Memory Management <memory>`.
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2 changes: 1 addition & 1 deletion Doc/c-api/memory.rst
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Expand Up @@ -681,7 +681,7 @@ The mimalloc allocator
.. versionadded:: 3.13

Python supports the mimalloc allocator when the underlying platform support is available.
mimalloc "is a general purpose allocator with excellent performance characteristics.
mimalloc "is a general purpose allocator with excellent performance characteristics.
Initially developed by Daan Leijen for the runtime systems of the Koka and Lean languages."

When mimalloc support is available it is the default allocator.
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2 changes: 1 addition & 1 deletion Objects/mimalloc/static.c
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Expand Up @@ -30,7 +30,7 @@ terms of the MIT license. A copy of the license can be found in the file
#include "options.c"
#include "os.c"
#include "page.c" // includes page-queue.c
#include "random.c"
#include "random.c"
#include "segment.c"
#include "segment-map.c"
#include "stats.c"
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