> Employers are leaving a lot of performance on the table and they don't even know > why. This, 100 times. All performance discussions at my employer are at t

> Employers are leaving a lot of performance on the table and they don't even know > why. This, 100 times. All performance discussions at my employer are at the upper layers of the stack ("hey look I'm using char vs. string in this C# method, 0.15% improvement!"), while nobody is looking at the lower layers where the real improvements can be made and benefit all platforms.