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Perform build and magnum tuning

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Building o//third_party/python now takes 5 seconds on my PC

This change works towards modifying Python to use runtime dispatching
when appropriate. For example, when loading the magnums in the socket
module, it's a good idea to check if the magnum is zero, because that
means the local system platform doesn't support it.
This commit is contained in:
Justine Tunney 2021-08-10 10:26:13 -07:00
parent ee7e296339
commit d26d7ae0e4
1028 changed files with 6576 additions and 172777 deletions
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26
third_party/python/Objects/stringlib/eq.inc vendored Normal file
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@ -0,0 +1,26 @@
/* clang-format off */
/* Fast unicode equal function optimized for dictobject.c and setobject.c */
/* Return 1 if two unicode objects are equal, 0 if not.
* unicode_eq() is called when the hash of two unicode objects is equal.
*/
Py_LOCAL_INLINE(int)
unicode_eq(PyObject *aa, PyObject *bb)
{
PyUnicodeObject *a = (PyUnicodeObject *)aa;
PyUnicodeObject *b = (PyUnicodeObject *)bb;
if (PyUnicode_READY(a) == -1 || PyUnicode_READY(b) == -1) {
assert(0 && "unicode_eq ready fail");
return 0;
}
if (PyUnicode_GET_LENGTH(a) != PyUnicode_GET_LENGTH(b))
return 0;
if (PyUnicode_GET_LENGTH(a) == 0)
return 1;
if (PyUnicode_KIND(a) != PyUnicode_KIND(b))
return 0;
return memcmp(PyUnicode_1BYTE_DATA(a), PyUnicode_1BYTE_DATA(b),
PyUnicode_GET_LENGTH(a) * PyUnicode_KIND(a)) == 0;
}