Yes this article is full of misunderstanding. The main explanation of bottleneck is wrong: it’s the model weights which dominate memory bandwidth (and hence why batching multiple requests in a single pass increases total throughput). If copying user tokens was the bottle neck, batching would not achieve any speed up.
When an author is confused about something so elementary, I can’t trust anything else they write.
When an author is confused about something so elementary, I can’t trust anything else they write.