LLM Pre-Training

Fault-Tolerant Distributed AI Training: TorchElastic, TorchFT, Distributed Checkpointing, and Keeping Your GPU Job Running When Hardware Refuses to Cooperate

A practical guide to fault-tolerant distributed GPU training: TorchElastic, TorchFT replica groups, PyTorch DCP, async checkpointing, and the data pipeline checkpoint that most teams forget.