articles and knowledge

A practical guide from the Scaling AI Systems Series for teams whose AI bills are growing faster than their revenue: GPU spend, LLM token costs and the unit economics that decide whether an AI product makes money. On Kindle and in paperback.

An engineering guide from the Production AI Engineering Series covering the three pillars of building a large language model from scratch: distributed training, architecture design and scaling laws. On Kindle and in paperback.

An engineering guide from the Electric Vehicle & Battery Engineering Series covering field-oriented control, space vector PWM and MTPA, the algorithms behind every high-performance EV drive. On Kindle and in paperback.

A readable engineering history from ChatVariety Team that traces the chip from the first transistor to today's AI accelerators and the fragile global supply chain behind them. On Kindle and in paperback.

An engineering guide from the Advanced Mobility Engineering Series covering ETCS/ERTMS, CBTC and Positive Train Control, the systems that keep modern trains safely apart. On Kindle and in paperback.