Kuma - ThinkSystem SR675 V3, AMD EPYC 9334 32C 2.7GHz, NVIDIA H100, ConnectX-7 Infiniband, RHEL 9

Site: Ecole Polytechnique Federale de Lausanne
System URL: https://www.epfl.ch/research/facilities/scitas/hardware/kuma/
Manufacturer: Lenovo
Cores: 49,728
Processor: AMD EPYC 9334 32C 2.7GHz
Interconnect: ConnectX-7 Infiniband
Installation Year: 2024
Performance
Linpack Performance (Rmax) 12.31 PFlop/s
Theoretical Peak (Rpeak) 21.66 PFlop/s
Nmax 1,943,040
Nhalf 936,192
HPCG 118.881 TFlop/s
Power Consumption
Power: 291.92 kW (Optimized: 207.44 kW)
HPL of optimized run10.99 PFlop/s
Power Measurement Level: 3
Software
Operating System: RHEL 9
Compiler: NVIDIA Cuda compiler (nvcc) v. 12.4.1
Math Library: NVIDIA cuBLAS 12.4.5.8
MPI: NVIDIA HPC-X v2.18 with OpenMPI 4.1.4+
List Rank System Vendor Total Cores Rmax (PFlop/s) Rpeak (PFlop/s) Power (kW)
11/2025 143 ThinkSystem SR675 V3, AMD EPYC 9334 32C 2.7GHz, NVIDIA H100, ConnectX-7 Infiniband, RHEL 9 Lenovo 49,728 12.31 21.66 291.92
06/2025 124 ThinkSystem SR675 V3, AMD EPYC 9334 32C 2.7GHz, NVIDIA H100, ConnectX-7 Infiniband, Red Hat Enterprise Linux Lenovo 26,240 11.95 21.66 274.36
11/2024 102 ThinkSystem SR675 V3, AMD EPYC 9334 32C 2.7GHz, NVIDIA H100, ConnectX-7 Infiniband, Red Hat Enterprise Linux Lenovo 26,240 11.95 21.66 274.36