diff -r c8ce5bca0fcd Python/ceval.c
--- a/Python/ceval.c	Tue Jul 15 12:29:11 2014 -0700
+++ b/Python/ceval.c	Tue Jul 15 18:28:11 2014 -0600
@@ -1561,6 +1561,14 @@
                 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 = PyLong_AsLong(left);
+                long b = PyLong_AsLong(right);
+                sum = PyLong_FromLong(a + b);
+                Py_DECREF(left);
+            }
             else {
                 sum = PyNumber_Add(left, right);
                 Py_DECREF(left);