15 hours ago
高效码农
Tiny-DeepSpeed: A 500-Line Walk-Through of DeepSpeed’s Core Tricks for Global Learners I kept hearing that DeepSpeed can shrink GPT-2’s training footprint by half, yet the original repo feels like a maze. This post walks you through Tiny-DeepSpeed, a deliberately minimal re-write of DeepSpeed. In fewer than 500 lines, you will see ZeRO-1, ZeRO-2, and ZeRO-3 run on a single RTX 2080 Ti and on two GPUs. Every command, number, and line of code is lifted straight from the source repository—nothing added, nothing invented. Table of Contents Why Tiny-DeepSpeed Matters to You Memory at a Glance—The Official Numbers One-Line Install Guide …