F# Deep Dives

Chapter 12. Software quality

Phil Trelford

Software quality means different things to different groups of people. In this chapter, I’ll look at software quality through the perspective of my personal experience—which includes creating video games, writing a line of business applications, and, most recently, developing financial systems.

In video games and front office trading systems, performance is often the key quality issue. Arcade games typically run at 60 frames per second so they feel responsive to the player. Trading screens must also respond to user input in milliseconds, particularly during periods of high market activity, so users can take positions and (often more important) exit those positions if the market turns against them. As ...