You can use your own GPU if you have one, but that’s not detailed. The puzzles start, assuming you know nothing at all about GPU programming, which is totally the case for some of us!

If you are doing X11, for example, you can go low-level or pick any of a number of high-level libraries. The tutorial assumes you understand C and basic Linux programming. It has two sections, really.

Over at Dr. Dobbs, Rob Farber writes that, when used correctly, atomic operations can help implement a wide range of generic data structures and algorithms in the massively threaded GPU programming ...