Anyone heard of a decent performance comparison of Rails/PHP vs ASP.NET? I have a rough idea of difference in speed between languages (Ruby/C#) but as far as fr

Anyone heard of a decent performance comparison of Rails/PHP vs ASP.NET? I have a rough idea of difference in speed between languages (Ruby/C#) but as far as frameworks are concerned there is more than raw language power to a framework performance. I have seen people compare only interpreted frameworks before (Django/Rails) but nothing like Rails/ASP.NET.