I've done a fair amount of floating point simd programming for what the article calls type 1 - iterate large amounts of data as quickly as possible on the CPU.

I've been increasingly finding lately that integer-simd programming is incredibly useful to speed up all kinds of sorting searching filtering etc operations, even in otherwise scalar code. A lot of this kind of non-numeric code doesn't have any performance requirements, but it's very satisfying to be able to use when you run into situations that do.