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gh-118527: Intern code consts in free-threaded build (#118667)

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We already intern and immortalize most string constants. In the
free-threaded build, other constants can be a source of reference count
contention because they are shared by all threads running the same code
objects.
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Sam Gross 2024-05-06 20:12:39 -04:00 • committed by GitHub
parent 8d8275b0cf
commit 723d4d2fe8
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14 changed files with 375 additions and 18 deletions
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7
Python/pylifecycle.c
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@ -854,6 +854,11 @@ pycore_interp_init(PyThreadState *tstate)
return status;
}
status = _PyCode_Init(interp);
if (_PyStatus_EXCEPTION(status)) {
return status;
}
status = _PyDtoa_Init(interp);
if (_PyStatus_EXCEPTION(status)) {
return status;
@ -1827,6 +1832,8 @@ finalize_interp_types(PyInterpreterState *interp)
_PyTypes_Fini(interp);
_PyCode_Fini(interp);
// Call _PyUnicode_ClearInterned() before _PyDict_Fini() since it uses
// a dict internally.
_PyUnicode_ClearInterned(interp);