Performance differences between debug and release builds

Question

I must admit, that usually I haven\'t bothered switching between the Debug and Release configurations in my program, and I have usually opted to go for the

Answer 1

1. Yes, there are many performance differences and these really apply all over your code. Debug does very little performance optimization, and release mode very much;

2. Only code that relies on the DEBUG constant may perform differently with a release build. Besides that, you should not see any problems.

An example of framework code that depends on the DEBUG constant is the Debug.Assert() method, which has the attribute [Conditional("DEBUG)"] defined. This means that it also depends on the DEBUG constant and this is not included in the release build.