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GH-131798: Optimize cached class attributes and methods in the JIT (GH-134403)

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Brandt Bucher 2025-05-22 11:15:03 -04:00 • committed by GitHub
parent 09e72cf091
commit ec736e7dae
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GPG key ID: B5690EEEBB952194
12 changed files with 365 additions and 130 deletions
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46
Python/optimizer_bytecodes.c
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@ -522,7 +522,7 @@ dummy_func(void) {
}
op(_LOAD_CONST, (-- value)) {
PyObject *val = PyTuple_GET_ITEM(co->co_consts, this_instr->oparg);
PyObject *val = PyTuple_GET_ITEM(co->co_consts, oparg);
REPLACE_OP(this_instr, _LOAD_CONST_INLINE_BORROW, 0, (uintptr_t)val);
value = sym_new_const(ctx, val);
}
@ -608,7 +608,7 @@ dummy_func(void) {
op(_LOAD_ATTR, (owner -- attr, self_or_null[oparg&1])) {
(void)owner;
attr = sym_new_not_null(ctx);
if (oparg &1) {
if (oparg & 1) {
self_or_null[0] = sym_new_unknown(ctx);
}
}
@ -624,25 +624,59 @@ dummy_func(void) {
}
op(_LOAD_ATTR_CLASS, (descr/4, owner -- attr)) {
attr = sym_new_not_null(ctx);
(void)descr;
PyTypeObject *type = (PyTypeObject *)sym_get_const(ctx, owner);
PyObject *name = PyTuple_GET_ITEM(co->co_names, oparg >> 1);
attr = lookup_attr(ctx, this_instr, type, name,
_POP_TOP_LOAD_CONST_INLINE_BORROW,
_POP_TOP_LOAD_CONST_INLINE);
}
op(_LOAD_ATTR_NONDESCRIPTOR_WITH_VALUES, (descr/4, owner -- attr)) {
(void)descr;
PyTypeObject *type = sym_get_type(owner);
PyObject *name = PyTuple_GET_ITEM(co->co_names, oparg >> 1);
attr = lookup_attr(ctx, this_instr, type, name,
_POP_TOP_LOAD_CONST_INLINE_BORROW,
_POP_TOP_LOAD_CONST_INLINE);
}
op(_LOAD_ATTR_NONDESCRIPTOR_NO_DICT, (descr/4, owner -- attr)) {
(void)descr;
PyTypeObject *type = sym_get_type(owner);
PyObject *name = PyTuple_GET_ITEM(co->co_names, oparg >> 1);
attr = lookup_attr(ctx, this_instr, type, name,
_POP_TOP_LOAD_CONST_INLINE_BORROW,
_POP_TOP_LOAD_CONST_INLINE);
}
op(_LOAD_ATTR_METHOD_WITH_VALUES, (descr/4, owner -- attr, self)) {
(void)descr;
attr = sym_new_not_null(ctx);
PyTypeObject *type = sym_get_type(owner);
PyObject *name = PyTuple_GET_ITEM(co->co_names, oparg >> 1);
attr = lookup_attr(ctx, this_instr, type, name,
_LOAD_CONST_UNDER_INLINE_BORROW,
_LOAD_CONST_UNDER_INLINE);
self = owner;
}
op(_LOAD_ATTR_METHOD_NO_DICT, (descr/4, owner -- attr, self)) {
(void)descr;
attr = sym_new_not_null(ctx);
PyTypeObject *type = sym_get_type(owner);
PyObject *name = PyTuple_GET_ITEM(co->co_names, oparg >> 1);
attr = lookup_attr(ctx, this_instr, type, name,
_LOAD_CONST_UNDER_INLINE_BORROW,
_LOAD_CONST_UNDER_INLINE);
self = owner;
}
op(_LOAD_ATTR_METHOD_LAZY_DICT, (descr/4, owner -- attr, self)) {
(void)descr;
attr = sym_new_not_null(ctx);
PyTypeObject *type = sym_get_type(owner);
PyObject *name = PyTuple_GET_ITEM(co->co_names, oparg >> 1);
attr = lookup_attr(ctx, this_instr, type, name,
_LOAD_CONST_UNDER_INLINE_BORROW,
_LOAD_CONST_UNDER_INLINE);
self = owner;
}