ray-train

Scale machine learning training from single GPU to multi-node clusters.

6|3|Updated Jan 29, 2026
One-click install
npx skills add https://github.com/jonnabio/ace-framework --skill ray-train-jonnabio
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: ray-train
Source: https://github.com/jonnabio/ace-framework/tree/main/.ace/packs/ai-research/ray-train
Command: npx skills add https://github.com/jonnabio/ace-framework --skill ray-train-jonnabio

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires ray, ray[train], torch, transformers, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill solves the challenge of efficiently training machine learning models across multiple nodes, providing a robust solution for scaling up from single GPU setups to distributed training on thousands of nodes.

Core Features & Use Cases

  • Distributed Training: Supports PyTorch, TensorFlow, and HuggingFace for scaling up to 1000s of nodes.
  • Hyperparameter Tuning: Utilizes Ray Tune for automated hyperparameter optimization.
  • Fault Tolerance & Elastic Scaling: Ensures that training continues smoothly, even with node failures or the need to add more resources.

Quick Start

Train your machine learning model with Ray Train using the following command:

pip install -U "ray[train]"
# ... rest of the commands would be provided here, following the same rules as described above ...

Frequently Asked Questions about ray-train

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I scale PyTorch training from a single GPU to a multi-node cluster?

To scale PyTorch training from a single GPU to a multi-node cluster, you can use Ray Train to orchestrate distributed training with minimal code changes. It supports scaling up to thousands of nodes smoothly.

Can I use HuggingFace models for distributed training with Ray Train?

Yes, you can use HuggingFace models for distributed training with Ray Train. The framework explicitly supports HuggingFace alongside PyTorch and TensorFlow to scale model training across multiple nodes.

Does distributed machine learning training support automatic hyperparameter tuning?

Distributed machine learning training supports automatic hyperparameter tuning through Ray Tune. This enables automated hyperparameter optimization while scaling your training across multi-node clusters.

What happens to distributed training if a node fails during execution?

If a node fails during distributed training execution, Ray Train provides built-in fault tolerance and elastic scaling. This ensures training continues smoothly by recovering from node failures without losing progress.

Do I need to install Ray and Ray Train libraries to run distributed training?

Yes, you need to install Ray and Ray Train libraries to run distributed training. The system requires these dependencies, along with PyTorch and Transformers, to function properly across multi-node clusters.

What is the best way to handle elastic scaling for large-scale distributed training?

The best way to handle elastic scaling for large-scale distributed training is using Ray Train, which ensures training continues smoothly even when you need to add more resources or recover from node failures.