Tune in next week for the next exciting episode, where we will see a command taken off the queue and executed in the GPU!

The abstraction level discussed here is just where data gets passed across the user/kernel boundary. It's mostly queue and buffer management, which is why there are so few operations. The real action happens as queued commands are executed.

There's another stream of command completions coming back from the GPU. Looking forward to seeing how that works. All this asynchrony is mostly not the driver's problem. That's kicked up to the user code level, as the driver delivers completions.