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gh-110481: Implement biased reference counting (gh-110764)

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Sam Gross 2023-10-30 12:06:09 -04:00 • committed by GitHub
parent 05f2f0ac92
commit 6dfb8fe023
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GPG key ID: 4AEE18F83AFDEB23
29 changed files with 511 additions and 52 deletions
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14
Include/internal/pycore_runtime_init.h
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@ -129,13 +129,13 @@ extern PyTypeObject _PyExc_MemoryError;
.latin1 = _Py_str_latin1_INIT, \
}, \
.tuple_empty = { \
.ob_base = _PyVarObject_HEAD_INIT(&PyTuple_Type, 0) \
.ob_base = _PyVarObject_HEAD_INIT(&PyTuple_Type, 0), \
}, \
.hamt_bitmap_node_empty = { \
.ob_base = _PyVarObject_HEAD_INIT(&_PyHamt_BitmapNode_Type, 0) \
.ob_base = _PyVarObject_HEAD_INIT(&_PyHamt_BitmapNode_Type, 0), \
}, \
.context_token_missing = { \
.ob_base = _PyObject_HEAD_INIT(&_PyContextTokenMissing_Type) \
.ob_base = _PyObject_HEAD_INIT(&_PyContextTokenMissing_Type), \
}, \
}, \
}, \
@ -172,11 +172,11 @@ extern PyTypeObject _PyExc_MemoryError;
.singletons = { \
._not_used = 1, \
.hamt_empty = { \
.ob_base = _PyObject_HEAD_INIT(&_PyHamt_Type) \
.ob_base = _PyObject_HEAD_INIT(&_PyHamt_Type), \
.h_root = (PyHamtNode*)&_Py_SINGLETON(hamt_bitmap_node_empty), \
}, \
.last_resort_memory_error = { \
_PyObject_HEAD_INIT(&_PyExc_MemoryError) \
_PyObject_HEAD_INIT(&_PyExc_MemoryError), \
.args = (PyObject*)&_Py_SINGLETON(tuple_empty) \
}, \
}, \
@ -206,7 +206,7 @@ extern PyTypeObject _PyExc_MemoryError;
#define _PyBytes_SIMPLE_INIT(CH, LEN) \
{ \
_PyVarObject_HEAD_INIT(&PyBytes_Type, (LEN)) \
_PyVarObject_HEAD_INIT(&PyBytes_Type, (LEN)), \
.ob_shash = -1, \
.ob_sval = { (CH) }, \
}
@ -217,7 +217,7 @@ extern PyTypeObject _PyExc_MemoryError;
#define _PyUnicode_ASCII_BASE_INIT(LITERAL, ASCII) \
{ \
.ob_base = _PyObject_HEAD_INIT(&PyUnicode_Type) \
.ob_base = _PyObject_HEAD_INIT(&PyUnicode_Type), \
.length = sizeof(LITERAL) - 1, \
.hash = -1, \
.state = { \