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Chatgpt suggests these additions to lanka wiki, are they correct? #3

@willow-ahrens

Description

@willow-ahrens

Chatgpt read our slack history on lanka and suggested the following additions. are any of them worth adding?

Lanka Cluster Usage Summary

Access and Permissions

  • Access to lanka-dgx0 and lanka-v3 requires permissions. Contact Ajay for access.
  • Docker is available on the machines, but usage on compute nodes may require confirmation from TIG.

Turbo Boost

  • Turbo Boost has been disabled on all nodes to reduce timing inconsistencies and performance variability. This setting should remain off by default. Check with cat /sys/devices/system/cpu/intel_pstate/no_turbo (should return 1).

GitHub Actions and Testing

  • GitHub actions can launch Slurm jobs for testing, provided Docker can be used on compute nodes.

Docker Usage

  • Docker is present but verify if it's operational on compute nodes for specific requirements.

Software Installation and Environment Issues

  • Users have encountered issues with compiler/build-essentials. Fixes have been applied to address these issues.
  • If software requires newer versions or specific settings, contact Ajay or use the shared directories for installations that can benefit all users.

File Storage and Home Directory Management

  • Users should manage their files efficiently to avoid filling up the home directory on lanka-dgx0, which has limited space. Cleanup or move files to NFS or /data if not actively used.

Updates and Maintenance

  • Lanka nodes have been updated and migrated to a new Ubuntu version. Ensure compatibility of your software.
  • The cluster has been transitioned to a lab-wide Slurm queue. New commands and partitions may apply.

Performance Counting and Benchmarks

  • Performance counting may require specific permissions or settings adjustments. Discuss needs with Ajay for solutions.

General Best Practices

  • Use numactl for managing thread allocation if encountering performance issues.
  • Regularly check and clean up your workspace to avoid unnecessary storage consumption.
  • For any new software needs or environmental issues, communicate with Ajay or the system administrators for support.

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