PyTorch DDP

From PyTorch DDP to Accelerate to Trainer: Mastery of Distributed Training with Ease

This Hugging Face blog post walks through the progression from raw PyTorch DistributedDataParallel (DDP) to the Accelerate library to the Transformers Trainer API for distributed training. It explains the abstractions each layer provides and how they reduce boilerplate while maintaining flexibility. The post serves as a practical guide for ML practitioners scaling training across multiple GPUs or nodes.