Using Unix is the computing equivalent of listening only to music by David Cassidy.

Eventually, I decided that thinking was not getting me very far and it was time to try building.

Productivity is most important by engineering management rules, but enjoyment is most important for engineers. One stems from the other.

Using Unix is the computing equivalent of listening only to music by David Cassidy.

Caches aren't architecture, they're just optimization.

Rule 1. You can't tell where a program is going to spend its time. Bottlenecks occur in surprising places, so don't try to second guess and put in a speed hack until you've proven that's where the bottleneck is

There's no such thing as a simple cache bug.