HPC-UGent Tier-2 hardware

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

Operating system

swalot

128

2 x 10-core Intel E5-2660v3 (Haswell-EP @ 2.6 GHz)

116 GiB

1 TB

FDR InfiniBand

CentOS 7

skitty

72

2 x 18-core Intel Xeon Gold 6140 (Skylake @ 2.3 GHz)

177 GiB

1 TB + 240GB SSD

EDR InfiniBand

CentOS 7

victini*

96

2 x 18-core Intel Xeon Gold 6140 (Skylake @ 2.3 GHz)

88 GiB

1 TB + 240 GB SSD

10 GbE

CentOS 7

joltik

10

2x 16-core Intel Xeon Gold 6242 (Cascade Lake @ 2.8 GHz) + 4x NVIDIA Volta V100 GPUs (32GB GPU memory)

256 GiB

800 GB SSD

double EDR Infiniband

CentOS 7

kirlia

16

2 x 18-core Intel Xeon Gold 6240 (Cascade Lake @ 2.6 GHz)

738 GiB

1.6 TB NVME

HDR-100 InfiniBand

CentOS 7

doduo

128

2x 48-core AMD EPYC 7552 (Rome @ 2.2 GHz)

250 GiB

180 GB SSD

HDR-100 InfiniBand

RHEL 8

(*) default cluster

For most recent information about the available resources and cluster status, please consult https://www.ugent.be/hpc/en/infrastructure .

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_ARCANINE

Temporary very fast storage of ‘live’ data for calculations (recommended for very I/O-intensive jobs)

70 TB NVME

(none)

upon request

(*) 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: https://www.ugent.be/hpc/en/support/documentation.htm .

User documentation

Please consult https://www.ugent.be/hpc/en/support/documentation.htm .

In case of questions or problems, don’t hesitate to contact the HPC-UGent support team via hpc@ugent.be, see also https://www.ugent.be/hpc/en/support .