AI Algorithm Path

Aug 23, 2025 · Artificial Intelligence

Understanding QAT: Quantization‑Aware Training with PyTorch

This article explains the principles of model quantization, compares post‑training quantization (PTQ) and quantization‑aware training (QAT), details the QAT workflow in PyTorch—including fake quantization, gradient handling, and code examples—and offers practical tips for achieving high‑accuracy int8/int4 models.