Cache Invalidation

 July 28th, 2010
programming, tech
A well known aphorism attributed to Phil Karlton is:

There are only two hard things in Computer Science: cache invalidation and naming things.

I realized yesterday that this is really only one hard problem: much of the reason that naming things is hard is that changing names is hard, so you'd better name something right the first time. Why is it hard to rename things? Poor cache invalidation.

Comment via: facebook, substack

Recent posts on blogs I like:

There's no reason for software to be slow anymore

The other day, I saw a viral tweet saying that people talking about how LLMs are causing slow, bloated, code are going to eat crow once they re-write everything in super-optimized assembly. We're not quite at the point where we want to write everythin…

via Posts on August 21, 2026

You can't join the secret inner circle of cool effective altruists

I, and a lot of other people I know, seem to believe something like this:

via Thing of Things August 11, 2026

Microfictions 2

A few more microfictions, still no LLMs.

via Evan Fields August 7, 2026

more     (via openring)