True Unsafe Code Performance

Question

I understand unsafe code is more appropriate to access things like the Windows API and do unsafe type castings than to write more performant code, but I would like to ask yo

Answer 1

I am using unsafe code for video manipulation code. In such code you want it to run as fast as possible without internal checks on values etc. Without unsafe attributes my could would not be able to keep up with the video stream at 30fps or 60 fps. (depending on used camera).

But because of speed its widely used by people who code graphics.