Infrastructure
ICARUS consists of 24 compute nodes, combining NVIDIA Grace CPUs and Hopper GPUs for research computing, with a total of 3,456 CPU cores and 48 NVIDIA GH200 GPUs.
Currently, 20 of the 24 compute nodes are available to the NTUA community.
Figure: ICARUS NTUA HPC Infrastructure deployed at the National Technical University of Athens, Zografou Campus.
GH200 Nodes
| GH200 node technical information | Specification |
|---|---|
| Architecture | Arm64 (aarch64) |
| System | HPE ProLiant Compute DL384 Gen12 |
| Operating system | Debian GNU/Linux 13 (trixie), aarch64 |
| Linux kernel | 6.14.0-1015-nvidia-64k |
| Total compute nodes | 24 |
| Login nodes | 2 |
| Total compute cores | 3,456 |
| Total compute GPUs | 48 |
| Components | |
| Processor type | NVIDIA Grace, Arm Neoverse V2 |
| Processors per node | 2 |
| Cores per processor | 72 |
| Cores per node | 144 |
| Threads per core | 1 |
| Accelerators | |
| Accelerator type | NVIDIA GH200 144G HBM3e |
| Accelerators per node | 2 |
| Memory | |
| Memory per CPU | Approximately 479 GiB LPDDR5X |
| Memory per GPU | 143.4 GiB HBM3e |
| CPU memory per node | 937.5 GiB |
| Local storage | |
| Compute nodes | 2 × 1.92 TB NVMe |
| Login nodes | 2 × 7.68 TB NVMe |
| Network | |
| Network adapters | NVIDIA/Mellanox ConnectX-6 Dx and ConnectX-6 Lx |
Explore NVIDIA Grace Hopper, Storage System, and Network for further details.