Most modern processors run at a speed that makes it cheaper to check than to not check. Some people might argue for lower-level optimizations like this, but in

Most modern processors run at a speed that makes it cheaper to check than to not check. Some people might argue for lower-level optimizations like this, but in this case, I don't think it's a big deal. Bottom line: enabling this doesn't hurt. It might help, and it doesn't cost anything to check