On Past a Petaflop

Almost two decades ago, Kendall Square Research, an ill-fated Massachusetts start-up company, hinted at the future by making the microprocessors for its KSR-1 massively parallel supercomputer on the same chip-making factory production line that made the processor chip that powered the Sharp Wizard, one of the first P.D.A.’s. The Cold War was over. It was obvious that the economics of scale that once led innovation in computing to trickle down from the high end of the industry to the bottom wer