A Plea for Lean Software An Essay by Niklaus Wirth cr.yp.to Software's girth has surpassed its functionality, largely because hardware advances make this possible. The way to streamline software lies in disciplined methodologies and a return to the essentials. Measured by the number of its featuresEssential vs. nice to haveDependence is more profitable than educationThe most rewarding iterationsNever enough time A grossly obese set of requirementsFeatures and complexity softwareperformancefunction
Employs nothing at all The man of today planes to perfection a board with a planing machine in a few seconds. The man of yesterday planed a board reasonably well with a plane. Very primitive man squared a board very badly with a flint or a knife. Very primitive man employed a unit of measurement and regulating lines in order to make his task easier. The Greek, the Egyptian, Michaelangelo or Blondel employed regulating lines in order to correct their work and for the satisfaction of their artist’s sense and of their mathematical thought. The man of today employs nothing at all and the result is the boulevard Raspail. Le Corbusier, Towards a New Architecture The Nature and Art of Workmanship tools