Blog
Occasional writing on software, perseverance and the bits in between.
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Nine days, three Macs, zero files: my Thunderbolt AI cluster post-mortem
September 21, 2026I have three Apple Silicon Macs sitting in my office. Two of them are M1 Max MacBook Pros — $2,400 of compute each — and for a while I was convinced they were idle hardware I wasn’t getting value from....
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The model-ops programme, part 2: the number that changed the plan
September 10, 2026The last post ended with a plan: eight held-out tasks through a blind, topic-keyed knowledge sheet, running overnight, and a cloud calibration lane in parallel — the same harness, a known model, measured against its own published leaderboard numbers.
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The model-ops programme: what a 4-bit model on a laptop can actually do
September 09, 2026I’ve been running an evaluation programme against the rails/ai-evals benchmark — 21 real Rails tasks, each a seeded defect in Writebook with a hidden test, measured against 1,170 published upstream trials. The question was never “can a frontier model do...
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Trying to make a local LLM do Rails work
September 08, 2026I spent the last while trying to answer a simple question: can a model running on my own hardware do real Rails dev-agent work, if I hand it the right documentation?
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Sinclair Spectrum
December 28, 2020The year was 1985, the computer was a Sinclair Spectrum 48k.