Engineering in the open
Ryan Duffy
Site reliability engineer who builds AI infrastructure. A global network by day, a self-hosted AI platform by night — and the decisions written down along the way.
Latest from the journal
The Smaller Model Had to Earn Its Place
More context on the same GPU meant testing a smaller model, repairing its callers and recognising when the judge changed too.
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No public platform notes yet. New writing and decisions are available in the other views.
Publication dates and public build notes. Journal entries describe earlier work. “Merged” does not confirm a live deployment.
The project behind the writing
Rootweaver
My independent AI engineering platform. Coding tools, persistent memory, searchable knowledge and code relationships, connected with signed provenance.
I design and operate it with AI-assisted development.