Have him describe the Power PC design, talk about the way that it handles out-of-order execution, what about pipe-line depths? He talks that it has three cores, how come you have 6 threads?
He said it was kind of like hyperthreading. I could be mistaken, but I believe the PowerPC design does not allow for out-of-order execution. I remember some developers talking about the transition being challenging because it didn't.
It was said that the cache manager's lazy writers may take ~8 seconds to flush dirty pages to disk. What measures, if any, are in place to protect unflushed cached data during power outages or hardware failures?