Plasma Simulator Subsystem B - NEC LX 401Bax-3GA, AMD 4th Gen EPYC 24C 1.8GHz, AMD Instinct MI300A, Infiniband NDR200, Red Hat Enterprise Linux

Site: Rokkasho Institute for Fusion Energy, National Institutes for Quantum Science and Technology
Manufacturer: NEC
Cores: 70,560
Processor: AMD 4th Gen EPYC 24C 1.8GHz
Interconnect: Infiniband NDR200
Installation Year: 2025
Performance
Linpack Performance (Rmax) 15.93 PFlop/s
Theoretical Peak (Rpeak) 17.16 PFlop/s
Nmax 2,043,648
Power Consumption
Power: 269.00 kW
Power Measurement Level: 2
Software
Operating System: Red Hat Enterprise Linux
Compiler: hipcc (HIP version: 6.4.43484-123eb5128) c++ ((GCC) 11.5.0 20240719)
Math Library: rocBLAS (version 4.4.1)
MPI: OpenMPI
List Rank System Vendor Total Cores Rmax (PFlop/s) Rpeak (PFlop/s) Power (kW)
11/2025 118 NEC LX 401Bax-3GA, AMD 4th Gen EPYC 24C 1.8GHz, AMD Instinct MI300A, Infiniband NDR200, Red Hat Enterprise Linux NEC 70,560 15.93 17.16 269.00