What problem does it solve?
HuggingFace Accelerate addresses the complexity and inefficiencies of distributed training, allowing users to easily add distributed support to PyTorch scripts with minimal code changes.
Core Features & Use Cases
- Unified API: Offers a single interface for DDP, DeepSpeed, FSDP, and Megatron, enabling users to switch between distributed training strategies with ease.
- Automatic Device Placement and Mixed Precision: Handles device placement and mixed precision settings, optimizing resource utilization and reducing training times.
- Interactive Configuration: Allows users to interactively configure their training environment without manually setting up launchers.
- Single Launch Command: Works across various hardware setups with a single launch command.
- Use Cases: Suitable for both prototyping and production workflows, particularly in HuggingFace's ecosystem where it is integrated with the Transformers library.
Quick Start
Install Accelerate with pip install accelerate, and then use the following command to launch a distributed training script:
accelerate launch train.py