diff -r fa51f40875f7 Tools/pybench/Calls.py
--- a/Tools/pybench/Calls.py	Thu Jun 12 20:13:07 2008 +0200
+++ b/Tools/pybench/Calls.py	Thu Jun 12 20:16:53 2008 +0200
@@ -102,6 +102,64 @@ class PythonFunctionCalls(Test):
 
         def h(a,b,c,d=1,e=2,f=3):
             return d,e,f
+
+        # do calls
+        for i in xrange(self.rounds):
+            pass
+
+###
+
+class ComplexPythonFunctionCalls(Test):
+
+    version = 2.0
+    operations = 4*5
+    rounds = 100000
+
+    def test(self):
+
+        # define functions
+        def f(a,b,c,d=1,e=2,f=3):
+            return f
+
+        args = 1,2
+        kwargs = dict(c=3,d=4,e=5)
+
+        # do calls
+        for i in xrange(self.rounds):
+            f(a=i,b=i,c=i)
+            f(f=i,e=i,d=i,c=2,b=i,a=3)
+            f(1,b=i,**kwargs)
+            f(*args,**kwargs)
+
+            f(a=i,b=i,c=i)
+            f(f=i,e=i,d=i,c=2,b=i,a=3)
+            f(1,b=i,**kwargs)
+            f(*args,**kwargs)
+
+            f(a=i,b=i,c=i)
+            f(f=i,e=i,d=i,c=2,b=i,a=3)
+            f(1,b=i,**kwargs)
+            f(*args,**kwargs)
+
+            f(a=i,b=i,c=i)
+            f(f=i,e=i,d=i,c=2,b=i,a=3)
+            f(1,b=i,**kwargs)
+            f(*args,**kwargs)
+
+            f(a=i,b=i,c=i)
+            f(f=i,e=i,d=i,c=2,b=i,a=3)
+            f(1,b=i,**kwargs)
+            f(*args,**kwargs)
+
+
+    def calibrate(self):
+
+        # define functions
+        def f(a,b,c,d=1,e=2,f=3):
+            return f
+
+        args = 1,2
+        kwargs = dict(c=3,d=4,e=5)
 
         # do calls
         for i in xrange(self.rounds):