Racecraft: Fine-Tuning Gemma 4 with DPO for Sub-150ms On-Device Coaching at 130 MPH
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Splitting the Brain to Beat the Clock
How a "brake!" lands in 5 milliseconds while a cloud model thinks for five seconds — in the same app, on the same frame, without ever colliding.
Teaching the Coach to Read the Driver
The best instructors don't coach the car. They coach you , and they figure out who you are in about two laps. Here's how we taught software to do the same.
The 800-Millisecond Problem
Why I stopped trusting every " AI race coach " I'd ever tried , and what it would take to build one I'd actually listen to at 130 km/h.
Racecraft (Project Koru) · Prologue — The Origin Story
The origin story of Project Koru — building an AI Race Coach at Sonoma Raceway with Google Developer Experts, Antigravity, and Gemini.
My Friend's MRI Didn't Come with a Manual, So I Built One with AI
The other was a flimsy paper sleeve containing a CD-ROM. This, we were told, held the actual images from her MRI scan. The ground truth. And we couldn't even look at it.