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dcu-comm-tool

Set up and diagnose 海光DCU distributed communication environments using RCCL and RDMA.

Updated Aug 27, 2026
Search Tags:#distributed training#RDMA#dcu#通信环境#RCCL#网络诊断#性能测试
One-click install
npx skills add https://github.com/dongg622/china-ai-chip-skill --skill dcu-comm-tool
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: dcu-comm-tool
Source: https://github.com/dongg622/china-ai-chip-skill/tree/main/Hygon/dcu-comm-tool
Command: npx skills add https://github.com/dongg622/china-ai-chip-skill --skill dcu-comm-tool

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill provides comprehensive guidance and automation tools for configuring and verifying multi-GPU distributed training environments using 海光DCU通信技术, simplifying complex network setups.

Core Features & Use Cases

  • Environment Setup and Diagnostics: Guides users through硬件和软件的配置、网络测试和故障排查。
  • 构建脚本自动化: 通过脚本快速构建RCCL测试用例和网络环境验证，减少手工操作。
  • 通信性能测试: 提供测试命令示例，帮助用户验证多节点通信是否正常，优化训练性能。
    例如，用户可以运行脚本检测RDMA连通性，或者使用测试命令验证RCCL是否正常运行，为科学计算和模型训练提供稳定的基础。

Quick Start

进入工具目录，配置环境后，运行构建脚本以验证通信链路。

Frequently Asked Questions about dcu-comm-tool

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

FAQPage Schema
How do I configure the distributed training communication environment for DCU?▼

To configure the distributed training communication environment for DCU, you set up hardware and software, verify network connectivity, and ensure RCCL and RDMA protocols are properly configured. This Skill provides scripts to automate this setup.

How can I test RCCL and RDMA network connectivity for multi-GPU training?▼

You can test RCCL and RDMA network connectivity by running the provided build scripts and test command examples. These tools help verify multi-node communication links and ensure network diagnostics pass for optimal training performance.

Why does my DCU distributed training fail due to network communication issues?▼

DCU distributed training network communication issues often stem from improper hardware or software configuration, or RDMA connectivity failures. Use this Skill's diagnostic scripts to troubleshoot network problems and verify that RCCL is running correctly.

What do I need to run RCCL performance tests on a DCU cluster?▼

To run RCCL performance tests on a DCU cluster, you need the appropriate hardware and software configuration, along with network connectivity. This Skill provides test command examples and scripts to verify multi-node communication and optimize training performance.

Can I automate network diagnostics for multi-node DCU distributed training?▼

Yes, you can automate network diagnostics for multi-node DCU distributed training. This Skill offers build scripts that quickly construct RCCL test cases and validate the network environment, reducing manual troubleshooting operations.

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