Depends on exactly what you mean. You can keep adding cores until the cows come home. And I don't really buy the "we don't know how to use all those extra cor

Depends on exactly what you mean. You can keep adding cores until the cows come home. And I don't really buy the "we don't know how to use all those extra cores" argument. Multi-threaded code isn't the rocket science it's portrayed to be in the press. One thing that may become practical is die stacking, depending on what they can do about extra heat.