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Latest Posts

risc v rv2 linux sbc
In April 2025, I’ve ordered two OrangePi RV2, as soon as they announced Ubuntu 22.04 support, they are running 24x7 since then. The Ky X1 CPU is a RISC-V (RISC-V is open and royalty-free), 8 Core, the ...
Fabrice Aneche
November 27, 2025
product evals
Label some data, align LLM-evaluators, and run the eval harness with each change.
Eugene Yan
November 23, 2025
principal
Based on what I've learned from role models and mentors in Amazon
Eugene Yan
October 19, 2025
semantic ids
An LLM that can converse in English & item IDs, and make recommendations w/o retrieval or tools.
Eugene Yan
September 14, 2025
realitykit
Recently, I was playing with RealityKit. I saw a 3D animation in the App Store and was curious on how to implement it. It turns out I have to read a couple of 3D formats like USDZ, GLB, OBJ. Everything ...
object Law {}
June 29, 2025
qa evals
Evaluation metrics, how to build eval datasets, eval methodology, and a review of several benchmarks.
Eugene Yan
June 22, 2025
podman error arch wsl2
Fix the ’newuidmap: Could not set caps’ error when running Podman on Arch WSL2.
Matthew Sanabria
June 21, 2025
ai for adults
AI is particularly valuable to adults.
Matthew Sanabria
June 08, 2025
aie 2025
Recsys & search are converging with LLMs via semantic IDs, data augmentation, and unified foundation models.
Eugene Yan
June 04, 2025
swiftui button between macos and ios
In our codebase, our Button implementation looks like this Button { Task { await signIn() } } label: { if authObservable.isSigningIn { ProgressView() .background ...
object Law {}
May 20, 2025
leadership
What makes a good leader? What do good leaders do? And commando, soldier, and police leadership.
Eugene Yan
May 18, 2025