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GH-115776: Embed the values array into the object, for "normal" Python objects. (GH-116115)

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Mark Shannon 2024-04-02 11:59:21 +01:00 • committed by GitHub
parent c97d3af239
commit c32dc47aca
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GPG key ID: B5690EEEBB952194
35 changed files with 787 additions and 537 deletions
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52
Python/bytecodes.c
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@ -1897,14 +1897,12 @@ dummy_func(
op(_CHECK_MANAGED_OBJECT_HAS_VALUES, (owner -- owner)) {
assert(Py_TYPE(owner)->tp_dictoffset < 0);
assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT);
PyDictOrValues *dorv = _PyObject_DictOrValuesPointer(owner);
DEOPT_IF(!_PyDictOrValues_IsValues(*dorv) && !_PyObject_MakeInstanceAttributesFromDict(owner, dorv));
assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_INLINE_VALUES);
DEOPT_IF(!_PyObject_InlineValues(owner)->valid);
}
split op(_LOAD_ATTR_INSTANCE_VALUE, (index/1, owner -- attr, null if (oparg & 1))) {
PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
attr = _PyDictOrValues_GetValues(dorv)->values[index];
attr = _PyObject_InlineValues(owner)->values[index];
DEOPT_IF(attr == NULL);
STAT_INC(LOAD_ATTR, hit);
Py_INCREF(attr);
@ -1947,16 +1945,15 @@ dummy_func(
op(_CHECK_ATTR_WITH_HINT, (owner -- owner)) {
assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT);
PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
DEOPT_IF(_PyDictOrValues_IsValues(dorv));
PyDictObject *dict = (PyDictObject *)_PyDictOrValues_GetDict(dorv);
PyManagedDictPointer *managed_dict = _PyObject_ManagedDictPointer(owner);
PyDictObject *dict = managed_dict->dict;
DEOPT_IF(dict == NULL);
assert(PyDict_CheckExact((PyObject *)dict));
}
op(_LOAD_ATTR_WITH_HINT, (hint/1, owner -- attr, null if (oparg & 1))) {
PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
PyDictObject *dict = (PyDictObject *)_PyDictOrValues_GetDict(dorv);
PyManagedDictPointer *managed_dict = _PyObject_ManagedDictPointer(owner);
PyDictObject *dict = managed_dict->dict;
DEOPT_IF(hint >= (size_t)dict->ma_keys->dk_nentries);
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg>>1);
if (DK_IS_UNICODE(dict->ma_keys)) {
@ -2070,16 +2067,17 @@ dummy_func(
DISPATCH_INLINED(new_frame);
}
op(_GUARD_DORV_VALUES, (owner -- owner)) {
assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT);
PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
DEOPT_IF(!_PyDictOrValues_IsValues(dorv));
op(_GUARD_DORV_NO_DICT, (owner -- owner)) {
assert(Py_TYPE(owner)->tp_dictoffset < 0);
assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_INLINE_VALUES);
DEOPT_IF(_PyObject_ManagedDictPointer(owner)->dict);
DEOPT_IF(_PyObject_InlineValues(owner)->valid == 0);
}
op(_STORE_ATTR_INSTANCE_VALUE, (index/1, value, owner --)) {
PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
STAT_INC(STORE_ATTR, hit);
PyDictValues *values = _PyDictOrValues_GetValues(dorv);
assert(_PyObject_ManagedDictPointer(owner)->dict == NULL);
PyDictValues *values = _PyObject_InlineValues(owner);
PyObject *old_value = values->values[index];
values->values[index] = value;
if (old_value == NULL) {
@ -2094,7 +2092,7 @@ dummy_func(
macro(STORE_ATTR_INSTANCE_VALUE) =
unused/1 +
_GUARD_TYPE_VERSION +
_GUARD_DORV_VALUES +
_GUARD_DORV_NO_DICT +
_STORE_ATTR_INSTANCE_VALUE;
inst(STORE_ATTR_WITH_HINT, (unused/1, type_version/2, hint/1, value, owner --)) {
@ -2102,9 +2100,8 @@ dummy_func(
assert(type_version != 0);
DEOPT_IF(tp->tp_version_tag != type_version);
assert(tp->tp_flags & Py_TPFLAGS_MANAGED_DICT);
PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
DEOPT_IF(_PyDictOrValues_IsValues(dorv));
PyDictObject *dict = (PyDictObject *)_PyDictOrValues_GetDict(dorv);
PyManagedDictPointer *managed_dict = _PyObject_ManagedDictPointer(owner);
PyDictObject *dict = managed_dict->dict;
DEOPT_IF(dict == NULL);
assert(PyDict_CheckExact((PyObject *)dict));
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
@ -2898,9 +2895,8 @@ dummy_func(
}
op(_GUARD_DORV_VALUES_INST_ATTR_FROM_DICT, (owner -- owner)) {
assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT);
PyDictOrValues *dorv = _PyObject_DictOrValuesPointer(owner);
DEOPT_IF(!_PyDictOrValues_IsValues(*dorv) && !_PyObject_MakeInstanceAttributesFromDict(owner, dorv));
assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_INLINE_VALUES);
DEOPT_IF(!_PyObject_InlineValues(owner)->valid);
}
op(_GUARD_KEYS_VERSION, (keys_version/2, owner -- owner)) {
@ -2972,10 +2968,9 @@ dummy_func(
unused/2 +
_LOAD_ATTR_NONDESCRIPTOR_NO_DICT;
op(_CHECK_ATTR_METHOD_LAZY_DICT, (owner -- owner)) {
Py_ssize_t dictoffset = Py_TYPE(owner)->tp_dictoffset;
assert(dictoffset > 0);
PyObject *dict = *(PyObject **)((char *)owner + dictoffset);
op(_CHECK_ATTR_METHOD_LAZY_DICT, (dictoffset/1, owner -- owner)) {
char *ptr = ((char *)owner) + MANAGED_DICT_OFFSET + dictoffset;
PyObject *dict = *(PyObject **)ptr;
/* This object has a __dict__, just not yet created */
DEOPT_IF(dict != NULL);
}
@ -2993,7 +2988,7 @@ dummy_func(
unused/1 +
_GUARD_TYPE_VERSION +
_CHECK_ATTR_METHOD_LAZY_DICT +
unused/2 +
unused/1 +
_LOAD_ATTR_METHOD_LAZY_DICT;
inst(INSTRUMENTED_CALL, (unused/3 -- )) {
@ -3294,6 +3289,7 @@ dummy_func(
DEOPT_IF(!PyType_Check(callable));
PyTypeObject *tp = (PyTypeObject *)callable;
DEOPT_IF(tp->tp_version_tag != read_u32(cache->func_version));
assert(tp->tp_flags & Py_TPFLAGS_INLINE_VALUES);
PyHeapTypeObject *cls = (PyHeapTypeObject *)callable;
PyFunctionObject *init = (PyFunctionObject *)cls->_spec_cache.init;
PyCodeObject *code = (PyCodeObject *)init->func_code;