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JUSUF - Configuration

Hardware Characteristics

  • 144 standard compute nodes - Dual AMD EPYC 7742

    • 2x 64 cores, 2.25 GHz
    • 16x 16 GB, 3200 MHz
    • HDR 100-Infiniband (Connect-X6)
    • local disk for operating system (1x 240 GB SSD)
    • 1 TB NVMe


  • 61 accelerated compute nodes - Dual AMD EPYC 7742

    • 2x 64 cores, 2.25 GHz
    • 16x 16 GB, 3200 MHz
    • HDR 100-Infiniband (Connect-X6)
    • local disk for operating system (1x 240 GB SSD)
    • 1 TB NVMe
    • 1x NVidia V100 GPU


  • 4 login nodes - Dual AMD EPYC 7742

    • 2x 64 cores, 2.25 GHz
    • 16x 16 GB, 3200 MHz
    • HDR 100-Infiniband (Connect-X6)
    • 100 Gigabit Ethernet external connection
    • local disk for operating system (2x 480 GB SSD in RAID 1)
  • 26,240 CPU cores


  • 944.6 (CPU) + 427 (GPU) Teraflop per second peak performance
  • Mellanox HDR Infiniband full fat-tree network with HDR100 speed on the nodes and full HDR on the inter-switch level
  • 100 GBit/s network connection per login node and 40 GBit/s network connection per compute node

Software Characteristics

  • CentOS 7 Linux distribution
  • Parastation Cluster Management
  • Slurm batch system with Parastation resource management
  • Intel Professional Fortran, C/C++ Compiler

    • Support for OpenMP programming model for intra-node parallelization
  • Intel Math Kernel Library
  • ParTec MPI (Message Passing Interface) Implementation
  • Intel MPI (Message Passing Interface) Implementation


  • IBM General Parallel Filesystem (GPFS)