new_contents: # IPython log file
  
  
  import genfilt as c
  import genfilt_py as p
  import numpy as np
  image = np.random.rand(500, 500)
  get_ipython().magic('timeit out = c.maximum_filter(image)')
  get_ipython().magic('timeit out = p.maximum_filter(image)')
  
subject: Add IPython script to run benchmarks