diff -r 08b3ee523577 Python/ceval.c
--- a/Python/ceval.c	Tue Jul 15 13:23:58 2014 +0300
+++ b/Python/ceval.c	Wed Jul 16 10:13:18 2014 +0200
@@ -1561,6 +1561,23 @@ PyEval_EvalFrameEx(PyFrameObject *f, int
                 sum = unicode_concatenate(left, right, f, next_instr);
                 /* unicode_concatenate consumed the ref to v */
             }
+            /* Fast path for small ints */
+            else if (PyLong_CheckExact(left) && Py_ABS(Py_SIZE(left)) <= 1 &&
+                     PyLong_CheckExact(right) && Py_ABS(Py_SIZE(right)) <= 1) {
+                long a, b;
+                if (Py_SIZE(left) != 0) {
+                    a = ((PyLongObject*)left)->ob_digit[0];
+                    a *= Py_SIZE(left);
+                } else
+                    a = 0;
+                if (Py_SIZE(right) != 0) {
+                    b = ((PyLongObject*)right)->ob_digit[0];
+                    b *= Py_SIZE(right);
+                } else
+                    b = 0;
+                sum = PyLong_FromLong(a + b);
+                Py_DECREF(left);
+            }
             else {
                 sum = PyNumber_Add(left, right);
                 Py_DECREF(left);