12 September 2026

20 links · Saturday

Optimizing a Spin-Lock | David Álvarez Rosa

A spin-lock is a lock that never sleeps. Instead of yielding to the scheduler, the thread stays on the CPU and spins. No syscalls. No context switches. In this …

Giving Up on Smart Rings

After about a year of wearing a smart ring, I've decided to throw in the towel. I did really like my Oura Ring. Tracking my sleep and steps, amongst other things, has been really helpful for...

lorentz app | Blog

A blog post written by Lorentz Kinde. It's probably about something technical.

An open letter to Dario: if you mean it, open the weights!

Dear Dario, You published We Must Pace the Frontier today, which committed Anthropic to embedded third-party evaluators and asked governments to require every other frontier company to match. Sam Altman agreed within hours.1 The stated goal is to slow down the…

The Engine Room — Weights & Rules | Nostradamus Intellect

The model card as files: every constant, the 36 strand seeds with reasons, the full 24-edge coupling matrix, checksums, OpenTimestamps proofs — and a replay that reruns the engine in your browser. The complete wire lexicon and the machine-readable export open …

Pacing Is a Setting on a Dial

Anthropic's CEO now says frontier AI has to be slowed, and he has a three-step plan to do it. I agree with where he's going and disagree with the route in four places: what extra time is worth, who pays the evaluators, whether we should wait and see, and how m…

Distilling a Bigram

Notes from an experiment distilling the simplest language model: a bigram model.

Blog · Tristan Rhodes

The recent proliferation of software such as Grok Bot, Instinct, Codex, etc. indicates that computer use is one of the most rapidly expanding frontiers in LLM agent capabilities. In my work as a founding engineer at Fulcrum, I have found a particul…

Don't build tools for AI agents

Lots of people are making the case that we should stop building software for human users and start building it for AI agents. This kind of makes sense. For…