Reflections on science, technology, and computing — leavened by personal experience


The lesson of the stochastic cusp catastrophe: disruptions cannot be immediately inverted; complex dynamic systems involve hysteresis.

The free ride from Dennard scaling is over; the von Neumann architecture is showing its age; and our hierarchical abstractions are now an intellectual box from which we must escape.

As with any new approach, the combination of big data and machine learning brings both great opportunities and equally grave risks. Let us reason together.