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Cluster description

GAIA is our high-performance computing (HPC) cluster, designed to handle demanding research workloads and large-scale data processing. You can access GAIA through the login nodes Helios or Selene, depending on your needs.

GAIA provides multiple login nodes for diagnostics and research, a range of compute nodes optimized for CPU, GPU, or big-memory jobs, and a flexible storage setup with fast NVMe SSDs and large-capacity HDD storage.

Below is an overview of GAIA’s key components.

Login nodes

  • 2x head node
  • 4x login node
    • 1x diagnostics
    • 3x research

Compute nodes

  • 9x CPU worker nodes
    • 2304 cores
    • 7 TB RAM
  • 1x Big memory node
    • 256 cores
    • 2,5 TB RAM
  • 3x GPU worker nodes
    • 320 cores
    • 4 TB RAM
    • 12x H100 NVL 94 GB

Storage nodes

  • 1x T0 storage node (NVME SSD)
    • 55 TB
  • 4x T1 storage node (HDD)
    • 1 PB