title: hash_map and map which is faster? less than 10000 items
body: <p>vs2005 support 
  ::stdext::hash_map 
  ::std::map.</p>
  
  <p>however it seems ::stdext::hash_map's insert and remove OP is slower then ::std::map in my test.
  ( less then 10000 items)</p>
  
  <p>Interesting....</p>
  
  <p>Can anyone offored a comparision article about them?</p>