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Frequently asked questions (FAQs)¶

General questions¶

  • How can I contact user support?
    • What information should I provide when contacting user support?
  • How do I acknowledge the VSC in publications?
  • What are standard terms used in HPC?

Access to the infrastructure¶

  • I messed up my authentication keys, what can I do?
  • Where can I store what kind of data?
  • How much disk space am I using?

Running jobs¶

  • Why doesn’t my job start?
  • My jobs seem to run, but I don’t see any output or errors?
  • How can I run many similar computations conveniently?
  • Can I run workflows on an HPC cluster?

Software¶

  • How do I run applications in parallel?
    • What is parallelism anyway?
    • How can I vectorize my code?
    • How can I run my application with multiple threads?
    • Can I run my application on multiple compute nodes?
  • Can I run containers on the HPC systems?
    • When should I use containers?
    • How can I create a Singularity image?
    • How can I run a Singularity image?
    • Can I use singularity images in a job?
    • Can I run parallel applications using a Singularity image?
    • Can I run a service from a Singularity image?

Table of Contents

  • Frequently asked questions (FAQs)
    • General questions
    • Access to the infrastructure
    • Running jobs
    • Software

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