# blog

Vanessa McHale's blog (3)
• ## Edit Distance in ATS

As ATS remains a somewhat obscure language, I figured I'd write up a recent success and give some commentary on some advanced features of ATS.

• ## Benchmarking Code Produced by Different Versions of GHC

Though it does not often get mentioned in the Haskell community, simply bumping to a new version of GHC can drastically improve the performance of your code. Here, I have several examples from my fast-arithmetic package, which will hopefully give an idea of just how much work has gone into optimizing code produced by GHC.

Initially, I had written hackage-fetch to see if there was any use of coelgot anywhere on Hackage. At the time, there was not, but this has changed due to my gmpint package. As of writing, it is not surprisingly the only use of co-(Elgot algebra)s on the entirety of Hackage.