LUMI - HPE Cray EX235a, AMD Optimized 3rd Generation EPYC 64C 2GHz, AMD Instinct MI250X, Slingshot-11

Site: EuroHPC/CSC
Manufacturer: HPE
Cores: 2,752,704
Processor: AMD Optimized 3rd Generation EPYC 64C 2GHz
Interconnect: Slingshot-11
Installation Year: 2023
Performance
Linpack Performance (Rmax) 379.70 PFlop/s
Theoretical Peak (Rpeak) 531.51 PFlop/s
Nmax 13,685,760
HPCG 4,586.95 TFlop/s
Power Consumption
Power: 7,106.82 kW
Power Measurement Level: 2
Software
Operating System: HPE Cray OS
Compiler: g++ 7.5 and hipcc 5.0.2
Math Library: AMD rocBLAS and Intel MKL
MPI: HPE Cray MPI
List Rank System Vendor Total Cores Rmax (PFlop/s) Rpeak (PFlop/s) Power (kW)
06/2025 9 HPE Cray EX235a, AMD Optimized 3rd Generation EPYC 64C 2GHz, AMD Instinct MI250X, Slingshot-11 HPE 2,752,704 379.70 531.51 7,106.82
11/2024 8 HPE Cray EX235a, AMD Optimized 3rd Generation EPYC 64C 2GHz, AMD Instinct MI250X, Slingshot-11 HPE 2,752,704 379.70 531.51 7,106.82
06/2024 5 HPE Cray EX235a, AMD Optimized 3rd Generation EPYC 64C 2GHz, AMD Instinct MI250X, Slingshot-11 HPE 2,752,704 379.70 531.51 7,106.82
11/2023 5 HPE Cray EX235a, AMD Optimized 3rd Generation EPYC 64C 2GHz, AMD Instinct MI250X, Slingshot-11 HPE 2,752,704 379.70 531.51 7,106.82
06/2023 3 HPE Cray EX235a, AMD Optimized 3rd Generation EPYC 64C 2GHz, AMD Instinct MI250X, Slingshot-11 HPE 2,220,288 309.10 428.70 6,015.77
11/2022 3 HPE Cray EX235a, AMD Optimized 3rd Generation EPYC 64C 2GHz, AMD Instinct MI250X, Slingshot-11 HPE 2,220,288 309.10 428.70 6,015.77
06/2022 3 HPE Cray EX235a, AMD Optimized 3rd Generation EPYC 64C 2GHz, AMD Instinct MI250X, Slingshot-11 HPE 1,110,144 151.90 214.35 2,942.13