C# Performance: Demons, Wizards, Warriors, Auditors

C# has undergone a number of recent changes directly and intentionally aimed at programmers who care about performance. In this talk we'll investigate some of those new features, and highlight some hazards and pitfalls to avoid when using them. Along the way we'll look at how best to measure C# performance, and some optimizations we can use to address common performance problems without sacrificing code clarity or simplicity.