8000 bpo-44338: Port LOAD_GLOBAL to PEP 659 adaptive interpreter by markshannon · Pull Request #26638 · python/cpython · GitHub
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bpo-44338: Port LOAD_GLOBAL to PEP 659 adaptive interpreter #26638

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Merged
merged 11 commits into from
Jun 14, 2021
Merged

bpo-44338: Port LOAD_GLOBAL to PEP 659 adaptive interpreter #26638

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6e57707
Add specializations of LOAD_GLOBAL.
markshannon Jun 2, 2021
b970dfc
Add more stats.
markshannon Jun 4, 2021
2b7aad1
Remove old opcache; it is no longer used.
markshannon Jun 8, 2021
20daa07
Use _PyDict_GetItemHint instead of _Py_dict_lookup
markshannon Jun 9, 2021
704d217
Check globals version as well as builtins
markshannon Jun 10, 2021
a7746e0
Correctly round sizeof() for code object.
markshannon Jun 10, 2021
8ad3e55
Add NEWS
markshannon Jun 10, 2021
aec7872
Remove some code duplication and fix up stats printing.
markshannon Jun 11, 2021
b4431be
Add casts and comment on which type of cache entries are used.
markshannon Jun 11, 2021
f043576
Fix a couple of copy and paste errors
markshannon Jun 11, 2021
72a7bcc
Merge branch 'main' into specialize-load-global
markshannon Jun 14, 2021
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Check globals version as well as builtins
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@markshannon
markshannon committed Jun 10, 2021
commit 704d2170a60096a9784aee0c0ac3d5e36b094035
12 changes: 8 additions & 4 deletions Python/specialize.c
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Original file line number Diff line number Diff line change
Expand Up @@ -419,12 +419,16 @@ _Py_Specialize_LoadGlobal(
if (index != (uint16_t)index) {
goto fail;
}
cache1->module_keys_version = _PyDictKeys_GetVersionForCurrentState((PyDictObject *)globals);
uint32_t keys_version = _PyDictKeys_GetVersionForCurrentState((PyDictObject *)builtins);
if (keys_version == 0) {
uint32_t globals_version = _PyDictKeys_GetVersionForCurrentState((PyDictObject *)globals);
if (globals_version == 0) {
goto fail;
}
uint32_t builtins_version = _PyDictKeys_GetVersionForCurrentState((PyDictObject *)builtins);
if (builtins_version == 0) {
goto fail;
}
cache1->builtin_keys_version = keys_version;
cache1->module_keys_version = globals_version;
cache1->builtin_keys_version = builtins_version;
cache0->index = index;
*instr = _Py_MAKECODEUNIT(LOAD_GLOBAL_BUILTIN, _Py_OPARG(*instr));
goto success;
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