title: Curious about the HashTable performance issues
body: <p>I read that hash tables in Haskell had performance issues (on the <a href="http://thread.gmane.org/gmane.comp.lang.haskell.cafe/11070" rel="noreferrer">Haskell-Cafe</a> in 2006 and <a href="http://flyingfrogblog.blogspot.com/2009/04/f-vs-ocaml-vs-haskell-hash-table.html" rel="noreferrer">Flying Frog Consultancy's blog</a> in 2009), and since I like Haskell it worried me.</p>
  
  <p>That was a year ago, what is the status now (June 2010)? Has the "hash table problem" been fixed in GHC?</p>