From: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
Date: Sun, 14 Aug 2022 15:13:42 +0000 (+0530)
Subject: GH-95977: Speed up calling pure python descriptor __get__ with vectorcall (gh-95978)
X-Git-Tag: v3.12.0a1~652
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f2afdf33523162d5911de3263b4a9785d7c49a20;p=thirdparty%2FPython%2Fcpython.git

GH-95977: Speed up calling pure python descriptor __get__ with vectorcall (gh-95978)
---

diff --git a/Misc/NEWS.d/next/Core and Builtins/2022-08-14-10-04-44.gh-issue-95977.gCTZb9.rst b/Misc/NEWS.d/next/Core and Builtins/2022-08-14-10-04-44.gh-issue-95977.gCTZb9.rst
new file mode 100644
index 000000000000..b265c770233a
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and Builtins/2022-08-14-10-04-44.gh-issue-95977.gCTZb9.rst	
@@ -0,0 +1 @@
+Optimized calling :meth:`~object.__get__` with vectorcall. Patch by Kumar Aditya.
diff --git a/Objects/typeobject.c b/Objects/typeobject.c
index da02e86f94ed..27b12a00d77f 100644
--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -8242,7 +8242,8 @@ slot_tp_descr_get(PyObject *self, PyObject *obj, PyObject *type)
         obj = Py_None;
     if (type == NULL)
         type = Py_None;
-    return PyObject_CallFunctionObjArgs(get, self, obj, type, NULL);
+    PyObject *stack[3] = {self, obj, type};
+    return PyObject_Vectorcall(get, stack, 3, NULL);
 }
 
 static int