Wu Shixiong's Large Model Academy

Sep 19, 2025 · Artificial Intelligence

Master Parameter-Efficient Fine‑Tuning: LoRA & QLoRA Explained for Interviews

This article explains why full fine‑tuning of large models is impractical, introduces parameter‑efficient fine‑tuning (PEFT) with LoRA and QLoRA, provides mathematical foundations, implementation code, resource‑usage analysis, interview question templates, and practical deployment tips for real‑world AI projects.