8000 bpo-44337: Port LOAD_ATTR to PEP 659 adaptive interpreter by markshannon · Pull Request #26595 · python/cpython · GitHub
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bpo-44337: Port LOAD_ATTR to PEP 659 adaptive interpreter #26595

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Merged
merged 17 commits into from
Jun 10, 2021
Merged

bpo-44337: Port LOAD_ATTR to PEP 659 adaptive interpreter #26595

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8db0653
Specialize LOAD_ATTR with LOAD_ATTR_SLOT and LOAD_ATTR_SPLIT_KEYS
markshannon May 26, 2021
35522bc
Move dict-common.h to internal/pycore_dict.h
markshannon Jun 1, 2021
3ca2c7c
Add LOAD_ATTR_COMBINED_KEYS specialized opcode.
markshannon Jun 1, 2021
3d50df3
Quicken in function if loopy
markshannon Jun 2, 2021
85dd177
Specialize LOAD_ATTR for module attributes.
markshannon Jun 3, 2021
e54f76b
Set dict version to zero before setting index
markshannon Jun 7, 2021
eb08f91
Don't crash if module has no dictionary
markshannon Jun 7, 2021
a03abb3
Rename LOAD_ATTR_COMBINED_KEYS to LOAD_ATTR_WITH_HINT. Add NEWS item.
markshannon Jun 8, 2021
1079964
Fix name and use wider cache slot.
markshannon Jun 8, 2021
d2e0940
Remove rebase artifact
markshannon Jun 8, 2021
d890943
Use specialization stats
markshannon Jun 8, 2021
f9e999c
Use _PyDict_GetItemHint instead of _Py_dict_lookup to determine index…
markshannon Jun 8, 2021
e858ea1
Assert that address is in bounds (ASAN thinks it might not be).
markshannon Jun 9, 2021
a0ed9e2
Fix off by one error
markshannon Jun 9, 2021
b07f219
Fix compiler warnings and check slot offset can be stored in index field
markshannon Jun 9, 2021
6d9ef8d
Merge branch 'main' into specialize-load-attr
markshannon Jun 9, 2021
41cb98f
Merge branch 'main' into specialize-load-attr
markshannon Jun 9, 2021
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Don't crash if module has no dictionary
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@markshannon
markshannon committed Jun 8, 2021
commit eb08f919074726b565d9bc1a190442a8c3588750
3 changes: 3 additions & 0 deletions Python/specialize.c
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Original file line number Diff line number Diff line change
Expand Up @@ -230,6 +230,9 @@ special_module_load_attr(
PyObject *attr, *getattr;
_Py_IDENTIFIER(__getattr__);
PyDictObject *dict = (PyDictObject *)m->md_dict;
if (dict == NULL) {
return -1;
}
getattr = _PyDict_GetItemIdWithError(m->md_dict, &PyId___getattr__);
if (PyErr_Occurred()) {
PyErr_Clear();
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