There were three rounds of interviews.
The last round was eight hours.
Technical questions were asked mostly. No behavioral questions were asked by HR or engineers.
Overall, it was a great experience. You get interviewed by people from other teams that will be interacting with the team you will be joining as well.
Questions ranged from Physical Design to Computer Architecture.
Only one of the interviews included a design question: "How would you implement a phone database?" or something similar.
The following metrics were computed from 1 interview experience for the Apple GPU Performance Engineer role in Austin, Texas.
Apple's interview process for their GPU Performance Engineer roles in Austin, Texas is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Apple's GPU Performance Engineer interview process in Austin, Texas.