VCCL Documentation¶

Welcome to VCCL Documentation! This contains the complete usage guide, features, and technical references for VCCL.

🚀 Quick Start¶

Get started with VCCL quickly, recommended in the following order:

Download and Build
Run VCCL Tests

📚 Documentation Index¶

Version Information: Detailed version information and changelog
Core Features & Usage: Deep dive into VCCL's core features
- SM-Free AlltoAllv & Overlap Training (requires VCCL tag v2.0.0)
- SM-Free P2P & Overlap Training (requires VCCL tag v2.0.0)
- Fault Tolerance (requires VCCL tag v0.3.1)
- Flow Telemetry (requires VCCL tag v0.3.1)
Environment Variables Reference: Detailed description of all configurable environment variables

Version Notice

Different features require different VCCL versions:

SM-Free AlltoAllv and SM-Free P2P (overlap training): please checkout tag v2.0.0
```
git checkout v2.0.0
```
Fault Tolerance and Flow Telemetry: please checkout tag v0.3.1
```
git checkout v0.3.1
```

Getting Started

If you're using VCCL for the first time, we recommend starting with Download and Compile to complete the download, compilation, and basic configuration steps.

Get Help

If you have questions or need technical support, please refer to the relevant documentation sections or contact the development team: