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

Site: Hewlett Packard Enterprise
Manufacturer: HPE
Cores: 13,056
Processor: NVIDIA Grace 72C 3.1GHz
Interconnect: Slingshot-11
Installation Year: 2025
Performance
Linpack Performance (Rmax) 2.92 PFlop/s
Theoretical Peak (Rpeak) 3.54 PFlop/s
Nmax 1,239,040
HPCG 41.7259 TFlop/s
Software
Operating System: HPE Cray OS
Compiler: HPL-NVIDIA 25.4.0
Math Library: HPL-NVIDIA 25.4.0
MPI: HPE Cray MPI
List Rank System Vendor Total Cores Rmax (PFlop/s) Rpeak (PFlop/s) Power (kW)
11/2025 438 HPE Cray EX254n, NVIDIA Grace 72C 3.1GHz, NVIDIA GH200 Superchip, Slingshot-11, HPE Cray OS HPE 13,056 2.92 3.54