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gh-111968: Use per-thread slice_cache in free-threading (gh-113972)

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Donghee Na 2024-01-16 00:38:57 +09:00 • committed by GitHub
parent 44e47dfba5
commit 3eae76554b
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7 changed files with 28 additions and 18 deletions
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26
Objects/sliceobject.c
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@ -103,16 +103,20 @@ PyObject _Py_EllipsisObject = _PyObject_HEAD_INIT(&PyEllipsis_Type);
/* Slice object implementation */
void _PySlice_Fini(PyInterpreterState *interp)
void _PySlice_ClearCache(_PyFreeListState *state)
{
PySliceObject *obj = interp->slice_cache;
PySliceObject *obj = state->slice_state.slice_cache;
if (obj != NULL) {
interp->slice_cache = NULL;
state->slice_state.slice_cache = NULL;
PyObject_GC_Del(obj);
}
}
void _PySlice_Fini(_PyFreeListState *state)
{
_PySlice_ClearCache(state);
}
/* start, stop, and step are python objects with None indicating no
index is present.
*/
@ -122,11 +126,11 @@ _PyBuildSlice_Consume2(PyObject *start, PyObject *stop, PyObject *step)
{
assert(start != NULL && stop != NULL && step != NULL);
PyInterpreterState *interp = _PyInterpreterState_GET();
_PyFreeListState *state = _PyFreeListState_GET();
PySliceObject *obj;
if (interp->slice_cache != NULL) {
obj = interp->slice_cache;
interp->slice_cache = NULL;
if (state->slice_state.slice_cache != NULL) {
obj = state->slice_state.slice_cache;
state->slice_state.slice_cache = NULL;
_Py_NewReference((PyObject *)obj);
}
else {
@ -354,13 +358,13 @@ Create a slice object. This is used for extended slicing (e.g. a[0:10:2]).");
static void
slice_dealloc(PySliceObject *r)
{
PyInterpreterState *interp = _PyInterpreterState_GET();
_PyFreeListState *state = _PyFreeListState_GET();
_PyObject_GC_UNTRACK(r);
Py_DECREF(r->step);
Py_DECREF(r->start);
Py_DECREF(r->stop);
if (interp->slice_cache == NULL) {
interp->slice_cache = r;
if (state->slice_state.slice_cache == NULL) {
state->slice_state.slice_cache = r;
}
else {
PyObject_GC_Del(r);