whoami
Yuichi Tateno
Hi, I am Yuichi Tateno, a Japanese software engineer. Online, I use the handle @hotchpotch. My profile icon is a robot head drooling into a puddle.
I am currently interested in IR (information retrieval), and I work on IR-related research and development.
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- trn: A Fast Local Translation Command for macOS TahoeI built trn, a small macOS translation CLI that uses Apple's on-device Translation framework, with a low-latency default that was about 12x faster than high-fidelity mode in my local README test.
- OpenAI API-Compatible Access Without Additional API Billing via CodexA Codex-authenticated OpenAI API-compatible server for Responses, Chat Completions, and image generation. Within the Codex subscription scope, it can be used without additional API usage billing.
- Japanese Full-Text Search in SQLite and DuckDB with VaporettoHow to add Japanese full-text search to SQLite and DuckDB with Vaporetto, including extensions, a browser demo, and BM25 search examples.
- Building a Machine Learning PC with Two RTX 5090 GPUsNotes from building a two RTX 5090 machine learning PC in Japan, including power supply constraints, cooling, parts, and multi-GPU training tradeoffs.
- Looking Back on 2025A personal look back at 2025, covering the birth of our child, life in the countryside, a new car, and AI and retrieval work.