DevOps Zone is brought to you in partnership with:

John Cook is an applied mathematician working in Houston, Texas. His career has been a blend of research, software development, consulting, and management. John is a DZone MVB and is not an employee of DZone and has posted 172 posts at DZone. You can read more from them at their website. View Full User Profile

The Weight of Code

06.11.2013
| 3629 views |
  • submit to reddit

From Bjorn Freeman-Benson’s talk Airplanes, Spaceships, and Missiles: Engineering Lessons from Famous Projects

Bjorn is discussing the ferrite core memory of the Apollo guidance system.

These are very, very robust memory systems. … But the problem is that they actually have weight to them. Core memory actually weighs a bunch, so when you’re writing your program for the lunar module … every line of code that you wrote had a consequence in weight. And you could measure how heavy your code was at the end of a compile line. … It’s an interesting analogy to keep in mind because in fact even today our code has weight. It doesn’t really have physical weight … Our code has psychological weight because every line of code we write has to be maintained. It has to be supported. It has to be operated.

Here’s the video. The context of the quote begins at 33:14.


Published at DZone with permission of John Cook, author and DZone MVB. (source)

(Note: Opinions expressed in this article and its replies are the opinions of their respective authors and not those of DZone, Inc.)