I meant offense to your team, not you. Even though I have used profilers such as NHProf or Ants quite extensively in .NET, you hardly need to use one to unders

I meant offense to your team, not you. Even though I have used profilers such as NHProf or Ants quite extensively in .NET, you hardly need to use one to understand the implications of a Linq statement - particularly an IEnumerable based one. If your team doesn't understand simple concepts like iteration or projection (and allocation) then you have an uphill battle to fight regardless of the tech you choose.