diff --git a/Tools/pybench/NewInstances.py b/Tools/pybench/NewInstances.py
new file mode 100755
index 0000000..a352638
--- /dev/null
+++ b/Tools/pybench/NewInstances.py
@@ -0,0 +1,66 @@
+from pybench import Test
+
+class CreateNewInstances(Test):
+
+    version = 0.1
+    operations = 3 + 7 + 4
+    rounds = 60000
+
+    def test(self):
+
+        class c(object):
+            pass
+
+        class d(object):
+            def __init__(self,a,b,c):
+                self.a = a
+                self.b = b
+                self.c = c
+
+        class e(object):
+            def __init__(self,a,b,c=4):
+                self.a = a
+                self.b = b
+                self.c = c
+                self.d = a
+                self.e = b
+                self.f = c
+
+        for i in xrange(self.rounds):
+            o = c()
+            o1 = c()
+            o2 = c()
+            p = d(i,i,3)
+            p1 = d(i,i,3)
+            p2 = d(i,3,3)
+            p3 = d(3,i,3)
+            p4 = d(i,i,i)
+            p5 = d(3,i,3)
+            p6 = d(i,i,i)
+            q = e(i,i,3)
+            q1 = e(i,i,3)
+            q2 = e(i,i,3)
+            q3 = e(i,i)
+
+    def calibrate(self):
+
+        class c(object):
+            pass
+
+        class d(object):
+            def __init__(self,a,b,c):
+                self.a = a
+                self.b = b
+                self.c = c
+
+        class e(object):
+            def __init__(self,a,b,c=4):
+                self.a = a
+                self.b = b
+                self.c = c
+                self.d = a
+                self.e = b
+                self.f = c
+
+        for i in xrange(self.rounds):
+            pass