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Sulis Technical Specifications

Based on Dell R-series servers supplied by OCF, Sulis has a total of 25,728 AMD EPYC compute cores and 90 NVIDIA A100 GPUs equivalent to 1.8 double-precision PFLOPS of computing power. The detailed system specifications are as follows:

  • Compute nodes: Dell PowerEdge R6525 compute nodes each with 2 x AMD EPYC 7742 (Rome) 2.25 GHz 64-core processors; 128 cores per node; 167 nodes; 21,376 compute cores; 512 GB DDR4-3200 RAM per node; 4 GB RAM per core
  • GPU nodes: Dell PowerEdge R7525 nodes each with 3 x NVIDIA A100 40 GB RAM passively-cooled GPUs; 2 x AMD EPYC 7742 (Rome) 2.25 GHz 64-core processors per node; 30 nodes; 90 GPUs; 3,840 CPU cores; 512 GB DDR4-3200 RAM per node; 4 GB per core
  • High-memory nodes: Dell PowerEdge R6525 nodes each with 2 x AMD EPYC 7742 (Rome) 2.25 GHz 64-core processors; 128 cores per node; 4 nodes; 512 cores; 1 TB DDR4-3200 RAM per node; 8 GB RAM per core
  • Interconnect: Mellanox ConnectX-6 HDR100 (100 Gbit/s) InfiniBand
  • Storage: 2 PB IBM Spectrum Scale (GPFS)
  • OS: CentOS 8.x
  • Batch system: Slurm Workload Manager