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Hardware

Login nodes

The two login nodes albedo[0|1] are the only accessible nodes from the AWI internal network. Their adress is

albedo[0|1].dmawi.de


Count

Name

Specification

2x

albedo[0|1]

  • 2x AMD Rome Epyc 7702 (64 cores each) → 128 cores

  • 512GB RAM

  • internal storage: 1.7TB SSD

Compute nodes

Count

Name

Partition

Specification

240x

prod-[001-240]

smp, mpp

  • 2x AMD Rome Epyc 7702 (64 cores each) → 128 cores

  • 256GB RAM

  • internal storage:

    • /tmp: 314GB NVMe

4x

fat-00[1-4]

fat

  • 2x AMD Rome Epyc 7702

  • 4TB RAM

  • internal storage:

    • /tmp: 6.5TB NVMe

1x

gpu-001

gpu

  • 2x AMD Rome Epyc 7702

  • 1TB RAM

  • internal storage:

    • /tmp: 3TB NVMe

    • /scratch: 6.3TB

  • 2x Nvidia A40 GPU (48GB)

1x

gpu-002

gpu

  • 2x AMD Rome Epyc 7702

  • 1TB RAM

  • internal storage:

    • /tmp: 3TB NVMe
    • /scratch: 6.3TB

  • 4x Nvidia A100 GPU (80GB)

The FESOM2 Benchmark we used for the procurement on 240 Albedo nodes compares to 800 Ollie nodes.

Filesystem

  • IBM Spectrum Scale (GxFS)

    • Tier 1: 220 TiB NVMe as fast cache and/or burst buffer

    • Tier 2: ~5.38 PiB NL-SAS HDD (NetApp EF300)

Network

Fast interconnect:

  • HDR Infiniband

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