old_contents: #pythran export approximated_callgraph(int)
  #runas approximated_callgraph(1000)
  #bench approximated_callgraph(2500)
  def call(i, j):
      return i+j
  
  def approximated_callgraph(size):
      out= list()
      for i in xrange(size):
          out.append(map(lambda j:call(i, j), xrange(size)))
      return out
  
new_contents: #pythran export approximated_callgraph(int)
  #runas approximated_callgraph(100)
  #bench approximated_callgraph(250)
  def call(i, j):
      return i+j
  
  def approximated_callgraph(size):
      out= list()
      for i in xrange(size):
          out.append(map(lambda j:call(i, j), xrange(size)))
      return out
  
subject: Change approximated_callgraph arg to make it run faster