Levante 02/2022

Facts about Levante

  • Installation in 2021-2022
  • Vendor: Atos
  • Model: Atos BullSequana XH2000
  • More than 370.000 cores in total
  • HDR Infiniband network
    • NVIDIA Mellanox InfiniBand HDR 100G/200G
    • Bandwidth per node: 100 GBit/s
  • Disk storage: 130 Petabyte (Lustre) by DDN

CPU partition

  • 2,832 compute nodes
    • 2,520 nodes with 2 AMD 7763 processor each (equipped with standard main memory 256 Gigabyte)
    • 294 nodes with 2 AMD 7763 processor each (equipped with more main memory 512 Gigabyte)
    • 18 nodes with 2 AMD 7763 processor each (equipped with fat memory 1,024 Gigabyte)
  • peak performance: 14 PetaFLOPS
  • main memory (total): 815 Terabyte

GPU partition

  • 60 GPU nodes each equipped with
    • 2 AMD 7713 CPUs (main memory 512 Gigabyte)
    • 4 Nvidia A100 GPUs (56 nodes with 80 Gigabyte GPU memory, 4 nodes with 40 Gigabyte GPU memory)
  • peak performance: : 2.8 PetaFLOPS
  • main memory: approx. 30 Terabyte
  • graphics memory: approx. 5 Terabyte

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