Infrastructure
The Stevin computing infrastructure consists of several Tier2 clusters which are hosted in the S10 datacenter of Ghent University.
This infrastructure is co-financed by FWO and Department of Economy, Science and Innovation (EWI).
Login nodes
Log in to the HPC-UGent infrastructure using SSH via login.hpc.ugent.be .
Compute clusters
| cluster name | # nodes | Processor architecture | Usable memory/node | Local diskspace/node | Interconnect | Additional information |
| phanpy | 16 | 2 x 12-core Intel E5-2680v3 (Haswell-EP @ 2.5 GHz) |
480 GiB | 3 x 400 GB (SSD, striped) |
FDR InfiniBand | |
| golett | 200 | 2 x 12-core Intel E5-2680v3 (Haswell-EP @ 2.5 GHz) |
53 GiB | 500 GB | FDR-10 InfiniBand | |
| swalot | 128 | 2 x 10-core Intel E5-2660v3 (Haswell-EP @ 2.6 GHz) |
116 GiB | 1 TB | FDR InfiniBand | |
| skitty | 72 | 2 x 18-core Intel Xeon Gold 6140 (Skylake @ 2.3 GHz) |
177 GiB | 1 TB 240 GB SSD |
EDR InfiniBand | |
| victini* | 96 | 2 x 18-core Intel Xeon Gold 6140 (Skylake @ 2.3 GHz) |
88 GiB | 1 TB 240 GB SSD |
10 GbE | |
| joltik** | 10 | 2x 16-core Intel Xeon Gold 6242 (Cascade Lake @ 2.8 GHz) | 256 GiB | 800GB SSD | double EDR Infiniband | 4x NVIDIA Volta V100 GPUs (32GB GPU memory) in each workernode |
* default cluster
** in pilot, limited access (invite only)
Shared storage
| Filesystem name | Intended usage | Total storage space | Personal storage space | VO storage space (*) |
| $VSC_HOME | Home directory, entry point to the system | 51 TB | 3GB (fixed) | (none) |
| $VSC_DATA |
Long-term storage of large data files |
1.8 PB |
25GB (fixed) |
250GB |
| $VSC_SCRATCH | Temporary fast storage of 'live' data for calculations | 1.9 PB | 25GB (fixed) | 250GB |
| $VSC_SCRATCH_PHANPY | Temporary very fast storage of 'live' data for calculations (recommended for very I/O-intensive jobs) |
39 TB SSD | (none) | (none) |
* Storage space for a group of users (Virtual Organisation or VO for short) can be increased significantly on request.
For more information, see our HPC-UGent tutorial .