Index: Python/pythonrun.c
===================================================================
--- Python/pythonrun.c	(Revision 88298)
+++ Python/pythonrun.c	(Arbeitskopie)
@@ -503,6 +503,7 @@
     PyLong_Fini();
     PyFloat_Fini();
     PyDict_Fini();
+    PySlice_Fini();
 
     /* Cleanup Unicode implementation */
     _PyUnicode_Fini();
Index: Include/pythonrun.h
===================================================================
--- Include/pythonrun.h	(Revision 88298)
+++ Include/pythonrun.h	(Arbeitskopie)
@@ -212,6 +212,7 @@
 PyAPI_FUNC(void) PyFloat_Fini(void);
 PyAPI_FUNC(void) PyOS_FiniInterrupts(void);
 PyAPI_FUNC(void) _PyGC_Fini(void);
+PyAPI_FUNC(void) PySlice_Fini();
 #endif
 
 /* Stuff with no proper home (yet) */
Index: Objects/sliceobject.c
===================================================================
--- Objects/sliceobject.c	(Revision 88298)
+++ Objects/sliceobject.c	(Arbeitskopie)
@@ -51,20 +51,39 @@
 };
 
 
-/* Slice object implementation
+/* Slice object implementation */
 
-   start, stop, and step are python objects with None indicating no
+/* Using a cache is very effective since typically only a single slice is
+ * created and then deleted again
+ */
+static PySliceObject *slice_cache = NULL;
+void PySlice_Fini()
+{
+    PySliceObject *obj = slice_cache;
+    if (obj != NULL) {
+        slice_cache = NULL;
+        PyObject_Del(obj);
+    }
+}
+
+/* start, stop, and step are python objects with None indicating no
    index is present.
 */
 
 PyObject *
 PySlice_New(PyObject *start, PyObject *stop, PyObject *step)
 {
-    PySliceObject *obj = PyObject_New(PySliceObject, &PySlice_Type);
+    PySliceObject *obj;
+    if (slice_cache != NULL) {
+        obj = slice_cache;
+        slice_cache = NULL;
+        PyObject_INIT(obj, &PySlice_Type);
+    } else {
+        obj = PyObject_New(PySliceObject, &PySlice_Type);
+        if (obj == NULL)
+            return NULL;
+    }
 
-    if (obj == NULL)
-        return NULL;
-
     if (step == NULL) step = Py_None;
     Py_INCREF(step);
     if (start == NULL) start = Py_None;
@@ -231,7 +250,10 @@
     Py_DECREF(r->step);
     Py_DECREF(r->start);
     Py_DECREF(r->stop);
-    PyObject_Del(r);
+    if (slice_cache == NULL)
+        slice_cache = r;
+    else
+        PyObject_Del(r);
 }
 
 static PyObject *