Roihu-C - BullSequana XH3000, AMD EPYC 9965 192C 2.25GHz, Infiniband NDR200, Redhat Enterprise Linux

Site: CSC (Center for Scientific Computing)
System URL: https://docs.csc.fi/computing/systems-roihu/
Manufacturer: Bull
Cores: 186,624
Processor: AMD EPYC 9965 192C 2.25GHz
Interconnect: Infiniband NDR200
Installation Year: 2026
Performance
Linpack Performance (Rmax) 9.69 PFlop/s
Theoretical Peak (Rpeak) 12.86 PFlop/s
Nmax 5,937,120
Power Consumption
Power: 705.45 kW (Optimized: 705.45 kW)
HPL of optimized run9.69 PFlop/s
Power Measurement Level: 2
Software
Operating System: RHEL
Compiler: AMD Zen HPL
Math Library: AMD BLIS
MPI: Open MPI
List Rank System Vendor Total Cores Rmax (PFlop/s) Rpeak (PFlop/s) Power (kW)
06/2026 193 BullSequana XH3000, AMD EPYC 9965 192C 2.25GHz, Infiniband NDR200, Redhat Enterprise Linux Bull 186,624 9.69 12.86 705.45