Which I will not blather on too long about here, but point you at a blog posting instead: <a href="http://www.serpentine.com/blog/2009/09/29/criterion-a-new-benchmarking-library-for-haskell/">http://www.serpentine.com/blog/2009/09/29/criterion-a-new-benchmarking-library-for-haskell/</a><br>