Clock speed is not a meaningful end unto itself, and that's why it stalled. It was used as a proxy for speed for many years, and this led to its rampant inflati

Clock speed is not a meaningful end unto itself, and that's why it stalled. It was used as a proxy for speed for many years, and this led to its rampant inflation. Instructions per second (IPS) is a more meaningful metric for CPU speed, and that has by no means stalled, even on a per-core basis.