New system Arrhenius

Background

End-of-life of Alvis, Tetralith and Dardel

• Alvis (GPU and AI) Summer 2026

• Tetralith Autumn 2026

• Dardel dec 2026-27

What is Arrhenius?

• This is the new HPC cluster by NAISS.

• Vast increase of GPU performance

• Reduced CPU performance

• Reduced amount of nodes available for CPU calculations

• Lower RAM/CPU ratio

• Decrease in storage facility

• Sensitive partition Arrhenius-SENS replacing Bianca/Maja for non-UU users

• 2027: Just Arrhenius on national level is up and running.

What will happen?

• Active projects running on Alvis, Tetralith and Dardel will be migrated to the new system.

• Timeline

  • Alvis: Summer

  • Tetralith: Fall

  • Dardel: End of year.

  • Bianca/Maja: End of year

• Local clusters, like Kebnekaise, Pelle and Cosmos available for local university users several more years.