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gh-94841: Ensure arena_map_get() is inlined in PyObject_Free() (#94842)

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neonene 2022-07-15 03:33:25 +09:00 • committed by GitHub
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Misc/NEWS.d/next/Build/2022-07-14-02-45-44.gh-issue-94841.lLRTdf.rst Normal file
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@ -0,0 +1 @@
Fix the possible performance regression of :c:func:`PyObject_Free` compiled with MSVC version 1932.

2
Objects/obmalloc.c
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@ -1446,7 +1446,7 @@ static arena_map_bot_t arena_map_root;
/* Return a pointer to a bottom tree node, return NULL if it doesn't exist or
* it cannot be created */
static arena_map_bot_t *
static Py_ALWAYS_INLINE arena_map_bot_t *
arena_map_get(block *p, int create)
{
#ifdef USE_INTERIOR_NODES