8000 bpo-41870: Use PEP 590 vectorcall to speed up bool() by corona10 · Pull Request #22427 · python/cpython · GitHub
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bpo-41870: Use PEP 590 vectorcall to speed up bool() #22427

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Merged
merged 2 commits into from
Sep 28, 2020
Merged

bpo-41870: Use PEP 590 vectorcall to speed up bool() #22427

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d587d55
bpo-41870: Use PEP 590 vectorcall to speed up bool()
corona10 Sep 27, 2020
8ff5848
bpo-41870: Add NEWS.d
corona10 Sep 27, 2020
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bpo-41870: Use PEP 590 vectorcall to speed up bool()
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@corona10
corona10 committed Sep 27, 2020
commit d587d554d7e6dce602d3ebfc3ef7ab2398842249
25 changes: 25 additions & 0 deletions Objects/boolobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,30 @@ bool_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
return PyBool_FromLong(ok);
}

static PyObject *
bool_vectorcall(PyObject *type, PyObject * const*args,
size_t nargsf, PyObject *kwnames)
{
long ok = 0;
if (!_PyArg_NoKwnames("bool", kwnames)) {
return NULL;
}

Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
if (!_PyArg_CheckPositional("bool", nargs, 0, 1)) {
return NULL;
}

assert(PyType_Check(type));
if (nargs) {
ok = PyObject_IsTrue(args[0]);
}
if (ok < 0) {
return NULL;
}
return PyBool_FromLong(ok);
}

/* Arithmetic operations redefined to return bool if both args are bool. */

static PyObject *
Expand Down Expand Up @@ -170,6 +194,7 @@ PyTypeObject PyBool_Type = {
0, /* tp_init */
0, /* tp_alloc */
bool_new, /* tp_new */
.tp_vectorcall = bool_vectorcall,
};

/* The objects representing bool values False and True */
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0