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The Greja cluster is operated for SMHI research and development. It follows in the footsteps of the earlier clusters Gimle, Dunder, Krypton and Bi.
The system was delivered at the start of 2024 by and made available to users in February 2024.
| Hardware | Custom design based on SuperMicro servers |
| Processors | 32-core AMD EPYC 9354 |
| Number of compute nodes | 78 |
| Compute nodes (thin) | 2 sockets (64 cores) and 384 GiB memory |
| Compute nodes (fat) | 2 sockets (64 cores) and 768 GiB memory |
| Login node | 1 socket (32 cores) and 768 GiB memory |
| High speed interconnect | 2 Omnipath 100 per node |
| Node scratch storage | 65 TiB (865 GB per node) |
| Global file system | SMHI's NFS and Lustre file systems /home and /nobackup |
| Operating system | Rocky Linux 9 |
| Batch queue system | Slurm |
Freja is used by the research division of SMHI, primarily for applications in climate, meteorology and oceanography. In the climate area, SMHI collaborates with European partners in the development, analysis and use of both global and regional climate models, and with impact studies in the fields of oceanography, hydrology and air quality.
Access to Freja is granted by SMHI.
User Area
Guides, documentation and FAQ.
Applying for projects and login accounts.
National Supercomputer Centre
Linköping University
581 83 LINKÖPING
SWEDEN
Org.nr: 202100-3096
VAT.nr: SE202100309601
