Slight rearrangement of some code to make it faster, by Vladimir

Marangozov.

diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index d6fb6b4d6457d18909dc28148d216790e6686b9f..9bc1fe7416b298b9d3bded42e7227e4307da2874 100644 (file)
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -82,9 +82,10 @@ PyTuple_New(size)
                        sizeof(PyTupleObject) + size * sizeof(PyObject *));
                if (op == NULL)
                        return PyErr_NoMemory();
+
+               op->ob_type = &PyTuple_Type;
+               op->ob_size = size;
        }
-       op->ob_type = &PyTuple_Type;
-       op->ob_size = size;
        for (i = 0; i < size; i++)
                op->ob_item[i] = NULL;
        _Py_NewReference(op);
@@ -158,15 +159,20 @@ tupledealloc(op)
        register PyTupleObject *op;
 {
        register int i;
-       for (i = 0; i < op->ob_size; i++)
-               Py_XDECREF(op->ob_item[i]);
+
+       if (op->ob_size > 0) {
+               i = op->ob_size;
+               while (--i >= 0)
+                       Py_XDECREF(op->ob_item[i]);
 #if MAXSAVESIZE > 0
-       if (0 < op->ob_size && op->ob_size < MAXSAVESIZE) {
-               op->ob_item[0] = (PyObject *) free_tuples[op->ob_size];
-               free_tuples[op->ob_size] = op;
-       } else
+               if (op->ob_size < MAXSAVESIZE) {
+                       op->ob_item[0] = (PyObject *) free_tuples[op->ob_size];
+                       free_tuples[op->ob_size] = op;
+                       return;
+               }
 #endif
-               free((ANY *)op);
+       }
+       free((ANY *)op);
 }
 
 static int