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gh-111968: Split _Py_dictkeys_freelist out of _Py_dict_freelist (gh-115505)

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Donghee Na 2024-02-16 10:01:36 +09:00 • committed by GitHub
parent 454d7963e3
commit 321d13fd2b
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7 changed files with 77 additions and 59 deletions
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51
Objects/dictobject.c
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@ -276,6 +276,13 @@ get_dict_freelist(void)
struct _Py_object_freelists *freelists = _Py_object_freelists_GET();
return &freelists->dicts;
}
static struct _Py_dictkeys_freelist *
get_dictkeys_freelist(void)
{
struct _Py_object_freelists *freelists = _Py_object_freelists_GET();
return &freelists->dictkeys;
}
#endif
@ -283,18 +290,19 @@ void
_PyDict_ClearFreeList(struct _Py_object_freelists *freelists, int is_finalization)
{
#ifdef WITH_FREELISTS
struct _Py_dict_freelist *state = &freelists->dicts;
while (state->numfree > 0) {
PyDictObject *op = state->free_list[--state->numfree];
struct _Py_dict_freelist *freelist = &freelists->dicts;
while (freelist->numfree > 0) {
PyDictObject *op = freelist->items[--freelist->numfree];
assert(PyDict_CheckExact(op));
PyObject_GC_Del(op);
}
while (state->keys_numfree > 0) {
PyMem_Free(state->keys_free_list[--state->keys_numfree]);
struct _Py_dictkeys_freelist *keys_freelist = &freelists->dictkeys;
while (keys_freelist->numfree > 0) {
PyMem_Free(keys_freelist->items[--keys_freelist->numfree]);
}
if (is_finalization) {
state->numfree = -1;
state->keys_numfree = -1;
freelist->numfree = -1;
keys_freelist->numfree = -1;
}
#endif
}
@ -314,6 +322,9 @@ _PyDict_DebugMallocStats(FILE *out)
struct _Py_dict_freelist *dict_freelist = get_dict_freelist();
_PyDebugAllocatorStats(out, "free PyDictObject",
dict_freelist->numfree, sizeof(PyDictObject));
struct _Py_dictkeys_freelist *dictkeys_freelist = get_dictkeys_freelist();
_PyDebugAllocatorStats(out, "free PyDictKeysObject",
dictkeys_freelist->numfree, sizeof(PyDictKeysObject));
#endif
}
@ -663,9 +674,9 @@ new_keys_object(PyInterpreterState *interp, uint8_t log2_size, bool unicode)
}
#ifdef WITH_FREELISTS
struct _Py_dict_freelist *dict_freelist = get_dict_freelist();
if (log2_size == PyDict_LOG_MINSIZE && unicode && dict_freelist->keys_numfree > 0) {
dk = dict_freelist->keys_free_list[--dict_freelist->keys_numfree];
struct _Py_dictkeys_freelist *freelist = get_dictkeys_freelist();
if (log2_size == PyDict_LOG_MINSIZE && unicode && freelist->numfree > 0) {
dk = freelist->items[--freelist->numfree];
OBJECT_STAT_INC(from_freelist);
}
else
@ -698,12 +709,12 @@ static void
free_keys_object(PyDictKeysObject *keys)
{
#ifdef WITH_FREELISTS
struct _Py_dict_freelist *dict_freelist = get_dict_freelist();
struct _Py_dictkeys_freelist *freelist = get_dictkeys_freelist();
if (DK_LOG_SIZE(keys) == PyDict_LOG_MINSIZE
&& dict_freelist->keys_numfree < PyDict_MAXFREELIST
&& dict_freelist->keys_numfree >= 0
&& freelist->numfree < PyDict_MAXFREELIST
&& freelist->numfree >= 0
&& DK_IS_UNICODE(keys)) {
dict_freelist->keys_free_list[dict_freelist->keys_numfree++] = keys;
freelist->items[freelist->numfree++] = keys;
OBJECT_STAT_INC(to_freelist);
return;
}
@ -743,9 +754,9 @@ new_dict(PyInterpreterState *interp,
PyDictObject *mp;
assert(keys != NULL);
#ifdef WITH_FREELISTS
struct _Py_dict_freelist *dict_freelist = get_dict_freelist();
if (dict_freelist->numfree > 0) {
mp = dict_freelist->free_list[--dict_freelist->numfree];
struct _Py_dict_freelist *freelist = get_dict_freelist();
if (freelist->numfree > 0) {
mp = freelist->items[--freelist->numfree];
assert (mp != NULL);
assert (Py_IS_TYPE(mp, &PyDict_Type));
OBJECT_STAT_INC(from_freelist);
@ -2593,10 +2604,10 @@ dict_dealloc(PyObject *self)
dictkeys_decref(interp, keys);
}
#ifdef WITH_FREELISTS
struct _Py_dict_freelist *dict_freelist = get_dict_freelist();
if (dict_freelist->numfree < PyDict_MAXFREELIST && dict_freelist->numfree >=0 &&
struct _Py_dict_freelist *freelist = get_dict_freelist();
if (freelist->numfree < PyDict_MAXFREELIST && freelist->numfree >=0 &&
Py_IS_TYPE(mp, &PyDict_Type)) {
dict_freelist->free_list[dict_freelist->numfree++] = mp;
freelist->items[freelist->numfree++] = mp;
OBJECT_STAT_INC(to_freelist);
}
else