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GH-91095: Specialize calls to normal Python classes. #99331

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Merged
markshannon merged 13 commits into from
Jun 22, 2023
Merged

GH-91095: Specialize calls to normal Python classes. #99331

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cb3fd40
Specialize calls to normal Python classes.
markshannon Nov 10, 2022
43edcd6
Add news
markshannon Nov 10, 2022
a96db28
Merge branch 'main' into specialize-calls-to-python-classes
markshannon Dec 12, 2022
add2c7c
Merge branch 'main' into specialize-calls-to-python-classes
markshannon Mar 8, 2023
fbeaf9b
Fix up after merge
markshannon Mar 9, 2023
b851a2a
Update generated cases.
markshannon Mar 9, 2023
e46f324
Swap order of specializations and make sure we have meaningful stats.
markshannon Mar 9, 2023
8529037
Merge and create static code object for init cleanup
markshannon Jun 18, 2023
dab56e5
Fix up new specialization to work with current interpreter generator …
markshannon Jun 18, 2023
4f4de5f
Address review comments
markshannon Jun 18, 2023
fbe0afe
Update generated cases.
markshannon Jun 18, 2023
f76ab3d
Make structs const.
markshannon Jun 18, 2023
1df353e
Fix comment.
markshannon Jun 18, 2023
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Address review comments
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@markshannon
markshannon committed Jun 18, 2023
commit 4f4de5f3cac12a2bc0135222f8df78b0486aecb3
13 changes: 7 additions & 6 deletions Python/bytecodes.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2911,14 +2911,15 @@ dummy_func(
_PyCallCache *cache = (_PyCallCache *)next_instr;
DEOPT_IF(null != NULL, CALL);
DEOPT_IF(!PyType_Check(callable), CALL);
PyHeapTypeObject *tp = (PyHeapTypeObject *)callable;
DEOPT_IF(tp->ht_type.tp_version_tag != read_u32(cache->func_version), CALL);
PyFunctionObject *init = (PyFunctionObject *)tp->_spec_cache.init;
PyTypeObject *tp = (PyTypeObject *)callable;
DEOPT_IF(tp->tp_version_tag != read_u32(cache->func_version), CALL);
PyHeapTypeObject *cls = (PyHeapTypeObject *)callable;
PyFunctionObject *init = (PyFunctionObject *)cls->_spec_cache.init;
PyCodeObject *code = (PyCodeObject *)init->func_code;
DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize + FRAME_SPECIALS_SIZE + 2), CALL);
STAT_INC(CALL, hit);
DEOPT_IF(code->co_argcount != oparg+1, CALL);
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PyObject *self = _PyType_NewManagedObject(&tp->ht_type);
DEOPT_IF(!_PyThreadState_HasStackSpace(tstate, code->co_framesize + _Py_InitCleanup.co_framesize), CALL);
STAT_INC(CALL, hit);
PyObject *self = _PyType_NewManagedObject(tp);
if (self == NULL) {
goto error;
}
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