Sigma2/NRIS documentation Logo

Policies

  • Code of Conduct

Getting help

  • Getting help
  • Extended support
  • Frequently asked questions
  • Writing good support requests
  • Open Question & Answer Sessions for All Users
  • Lost, expiring or changing passwords
  • One-time-pad (OTP) / Two-factor authentication
  • Project Leader Support

Training

  • Training events
  • Questions, Answers and Feedbacks
  • Training Video Archives
  • Short Instructions Video Archives
  • Training materials

Getting started

  • Getting started
  • Status and maintenance of systems
  • How do I get an account?
  • Applying for computing and storage
  • File transfer
  • Editing files
  • Connecting to a system with Visual Studio Code
  • SSH
  • Common SSH errors
  • Remote Desktop
  • Open OnDemand
  • First R calculation

Files, storage and backup

  • NIRD
  • Storage areas on HPC clusters
  • Storage quota
  • Backup on Betzy, Fram, Saga, and NIRD
  • Data handling and storage policy
  • Optimizing storage performance

HPC usage

  • Migration to an NRIS HPC machine
  • Using shared resources responsibly
  • Running jobs
    • Submitting jobs
    • Job Types
    • Array Jobs
    • Job Scripts
    • Monitoring jobs
    • Understanding the job output file
    • How to choose the right amount of memory
    • How to choose the number of cores
    • Common job failures
    • How to check the performance and scaling using Arm Performance Reports
    • Using MKL efficiently
    • Efficient use of memory bandwidth on Betzy
    • Efficient use of processors and network on Betzy
    • Interactive jobs
    • Checkpointing Jobs
    • Projects and accounting
    • Local storage for scratch files
    • Guides
    • Useful Slurm commands and tools for managing jobs
  • Login nodes:
  • Compute nodes:
  • Tuning applications
  • Running LLM Models in a Cluster Environment

Compute resources

  • Overview over our machines
  • Saga
  • Fram
  • Betzy
  • LUMI

Software

  • Software module scheme
  • Installed software
  • Installing software as user
  • Application guides
  • Licence and access policies
  • EESSI

Additional services

  • NIRD Research Data Archive Sandbox (NIRD RDA sandbox)
  • Research Data Archive (NIRD RDA)
  • NIRD Toolkit
  • NIRD Service Platform
  • EasyDMP User Documentation
  • CRaaS - Course Resources as a Service

Code development and tutorials

  • Code development and tutorials
Sigma2/NRIS documentation
  • Running jobs
  • Guides

Guides

  • Running MPI Jobs

  • Porting From PBS/Torque

  • Job Array Howto

  • Job Dependencies

  • Running Job Steps in Parallel

  • Cleanup at Timeout

  • TensorFlow on GPU

Previous Next

© Copyright 2025, Sigma2/NRIS. Text shared under CC-BY 4.0 license.

Built with Sphinx using a theme provided by Read the Docs.