8000 gh-134043: use stackrefs for dict lookup in `_PyObject_GetMethodStackRef` by kumaraditya303 · Pull Request #136412 · python/cpython · GitHub
[go: up one dir, main page]
Skip to content

gh-134043: use stackrefs for dict lookup in _PyObject_GetMethodStackRef #136412

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 12 commits into
base: main
Choose a base branch
from
+90 −31
Open

gh-134043: use stackrefs for dict lookup in _PyObject_GetMethodStackRef #136412

Changes from 1 commit
Commits
Show all changes
12 commits
Select commit Hold shift + click to select a range
3108bbe
use stackrefs for dict loopkup
kumaraditya303 Jul 7, 2025
a5498aa
add back comment
kumaraditya303 Jul 8, 2025
e4c36a8
avoid incref/decref for unicode keys dict
kumaraditya303 Jul 9, 2025
c889427
format
kumaraditya303 Jul 9, 2025
6468c7c
fix compliation
kumaraditya303 Jul 9, 2025
7a858d6
Merge remote-tracking branch 'upstream/main' into dict
kumaraditya303 Jul 11, 2025 8000
109ff8b
Merge remote-tracking branch 'upstream/main' into dict
kumaraditya303 Jul 17, 2025
aadb482
add _Py_dict_lookup_unicode_threadsafe_stackref to lookup method
kumaraditya303 Jul 18, 2025
5e79d52
fix merge
kumaraditya303 Jul 18, 2025
bbc7fb8
Refactor
colesbury Jul 21, 2025
71864c1
Merge pull request #19 from colesbury/dict-refactor
kumaraditya303 Jul 21, 2025
1a02ae6
fix cast
kumaraditya303 Jul 21, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Next Next commit
use stackrefs for dict loopkup
  • Loading branch information
@kumaraditya303
kumaraditya303 committed Jul 8, 2025
commit 3108bbe38ff126100024addfdb9b7dd5587e5e18
28 changes: 19 additions & 9 deletions Objects/object.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1753,19 +1753,29 @@ _PyObject_GetMethodStackRef(PyThreadState *ts, PyObject *obj,
}
}
if (dict != NULL) {
// TODO: use _Py_dict_lookup_threadsafe_stackref
assert(PyUnicode_CheckExact(name));
Py_hash_t hash = _PyObject_HashFast(name);
// cannot fail for exact unicode
assert(hash != -1);
Py_INCREF(dict);
PyObject *value;
if (PyDict_GetItemRef(dict, name, &value) != 0) {
// found or error
Py_DECREF(dict);
// ref is not visible to gc so there should be
// no escaping calls before assigning it to method
_PyStackRef ref;
Py_ssize_t ix = _Py_dict_lookup_threadsafe_stackref((PyDictObject *)dict,
name, hash, &ref);
if (ix == DKIX_ERROR) {
// error
PyStackRef_CLEAR(*method);
if (value != NULL) {
*method = PyStackRef_FromPyObjectSteal(value);
}
Py_DECREF(dict);
return -1;
} else if (!PyStackRef_IsNull(ref)) {
// found
_PyStackRef tmp = *method;
*method = ref;
PyStackRef_XCLOSE(tmp);
Py_DECREF(dict);
return 0;
}
// not found
Py_DECREF(dict);
}

Expand Down
Loading
0