Arrhenius GPU - HPE Cray EX254n, NVIDIA Grace 72C 3.1GHz, NVIDIA GH200 Superchip, Slingshot-11, HPE Cray OS

Site: EuroHPC/NAISS (National Academic Infrastructure for Super­computing in Sweden)
Manufacturer: HPE
Cores: 310,080
Processor: NVIDIA Grace 72C 3.1GHz
Interconnect: Slingshot-11
Installation Year: 2026
Performance
Linpack Performance (Rmax) 66.82 PFlop/s
Theoretical Peak (Rpeak) 84.02 PFlop/s
Nmax 5,885,952
Power Consumption
Power: 1,087.94 kW
Power Measurement Level: 1
Software
Operating System: HPE Cray OS
Compiler: HPL-NVIDIA 25.2.0
Math Library: HPL-NVIDIA 25.2.0
MPI: HPE Cray MPI
List Rank System Vendor Total Cores Rmax (PFlop/s) Rpeak (PFlop/s) Power (kW)
06/2026 42 HPE Cray EX254n, NVIDIA Grace 72C 3.1GHz, NVIDIA GH200 Superchip, Slingshot-11, HPE Cray OS HPE 310,080 66.82 84.02 1,087.94