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gh-90815: Add mimalloc memory allocator #31164

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gh-90815: Add mimalloc memory allocator #31164

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e6215a9
bpo-46657: Add mimalloc memory allocator
tiran Feb 6, 2022
67bd38c
Add mimalloc 2.0.3
tiran Feb 6, 2022
67f20a3
Backport fixes from dev branch
tiran Feb 6, 2022
c06b9e4
Drop experimental valgrind code
tiran Feb 6, 2022
d2e1590
Add option to enable mimalloc secure mode
tiran Feb 8, 2022
be14cd0
Only enable mimalloc when stdatomic.h is available
tiran Feb 8, 2022
50cbff2
Fix build without mimalloc
tiran Feb 9, 2022
399500e
disable verbose debug messages
tiran Feb 9, 2022
f27d04f
Disable MI_DEBUG in ASAN builds
tiran Feb 9, 2022
0367c82
Really force off MI_DEBUG in release builds
tiran Feb 9, 2022
5721543
Backport upstream fix for ubsan
tiran Feb 10, 2022
6662acf
Update to mimalloc 2.0.5
tiran Mar 10, 2022
51deac9
Fix refleak MallocInfoType
tiran Mar 10, 2022
95d904a
Move mimalloc headers into internal header directory
tiran Mar 10, 2022
82642cc
Update to mimalloc 2.0.6
tiran May 20, 2022
716a5f3
Hook up mi_collect for debugging
tiran May 20, 2022
cc0d5e5
Use heap type for malloc info struct
tiran Aug 30, 2022
5d4c193
Regen global symbols
tiran Aug 30, 2022
65af44c
Fix memory leak
tiran Aug 30, 2022
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Hook up mi_collect for debugging
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@tiran
tiran committed Aug 30, 2022
commit 716a5f3a7809ec797b222d2bdca9de48de21581c
72 changes: 71 additions & 1 deletion 72 Python/clinic/sysmodule.c.h
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17 changes: 17 additions & 0 deletions 17 Python/sysmodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2035,6 +2035,22 @@ extern PyObject *_Py_GetDXProfile(PyObject *, PyObject *);
}
#endif

#ifdef WITH_MIMALLOC
/*[clinic input]
sys._mi_collect

force: bool = False

[clinic start generated code]*/

static PyObject *
sys__mi_collect_impl(PyObject *module, int force)
/*[clinic end generated code: output=c674624749771706 input=f6a11d7d4e5731c8]*/
{
mi_collect(force);
Py_RETURN_NONE;
}
#endif

/*[clinic input]
sys._clear_type_cache
Expand Down Expand Up @@ -2277,6 +2293,7 @@ static PyMethodDef sys_methods[] = {
SYS__STATS_CLEAR_METHODDEF
SYS__STATS_DUMP_METHODDEF
#endif
SYS__MI_COLLECT_METHODDEF
{NULL, NULL} // sentinel
};

Expand Down
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