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express: Make PTA init from Python sequence faster by using vectorcall

This commit is contained in:
rdb 2026-01-07 19:35:35 +01:00
parent 0bb8a4519a
commit 80806510c2
1 changed files with 5 additions and 1 deletions
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6
panda/src/express/pointerToArray_ext.I
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@ -106,6 +106,9 @@ __init__(PyObject *self, PyObject *source) {
// We need to initialize the this pointer before we can call push_back.
DtoolInstance_INIT_PTR(self, this->_this);
PyObject *args[3];
args[1] = self;
Py_BEGIN_CRITICAL_SECTION(source);
Py_ssize_t size = PySequence_Size(source);
this->_this->reserve(size);
@ -114,7 +117,8 @@ __init__(PyObject *self, PyObject *source) {
if (item == nullptr) {
break;
}
PyObject *result = PyObject_CallFunctionObjArgs(push_back, self, item, nullptr);
args[2] = item;
PyObject *result = _PyObject_Vectorcall(push_back, args + 1, 2 | PY_VECTORCALL_ARGUMENTS_OFFSET, nullptr);
Py_DECREF(item);
if (result == nullptr) {
// Unable to add item--probably it wasn't of the appropriate type.