DeepSpeed

Active
GitHub Python Apache-2.0

Description

Microsoft's open-source deep learning distributed training optimization library, featuring ZeRO memory optimization, 3D parallelism, and mixed-precision training for efficient training of trillion-parameter models.

Key Features

  • ZeRO optimizer — Partitions optimizer states, gradients, and parameters across GPUs for massive memory savings
  • 3D parallelism — Combines tensor, pipeline, and data parallelism simultaneously
  • Ultra-long sequence training — Ulysses Sequence Parallelism for training on extremely long context sequences
  • Mixture of Experts — Built-in DeepSpeed-MoE supports trillion-parameter model training
  • Inference acceleration — DeepSpeed Inference optimizes Transformer model inference performance
  • Multi-hardware support — Compatible with NVIDIA, AMD, Intel GPUs and CPU training

Use Cases

💡 Large-scale LLM pretraining: Train trillion-parameter models on thousands of GPUs with ZeRO-3/ZeRO-Infinity
💡 Instruction fine-tuning and RLHF: Efficient RLHF training with low resource requirements via DeepSpeed-Chat
💡 Scientific computing acceleration: DeepSpeed4Science optimizes molecular dynamics, weather forecasting, and other simulations
💡 Multimodal large model training: Train vision-language models with DeepSpeed-VisualChat

Quick Start

# Install DeepSpeed
pip install deepspeed

# Verify installation
ds_report

# Run training script with DeepSpeed
deepspeed --num_gpus=4 train_script.py

# Or use via PyTorch Lightning integration
pip install pytorch-lightning

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