Roihu-G - BullSequana XH3000, GH Superchip 72C 3GHz, NVIDIA GH200 Superchip, Quad-Rail NVIDIA InfiniBand NDR, Redhat Enterprise Linux

Site: CSC (Center for Scientific Computing)
System URL: https://docs.csc.fi/computing/systems-roihu/
Manufacturer: Bull
Cores: 107,712
Processor: GH Superchip 72C 3GHz
Interconnect: Quad-Rail NVIDIA InfiniBand NDR
Installation Year: 2026
Performance
Linpack Performance (Rmax) 23.50 PFlop/s
Theoretical Peak (Rpeak) 27.80 PFlop/s
Nmax 3,301,376
Power Consumption
Power: 381.47 kW (Optimized: 296.61 kW)
HPL of optimized run19.40 PFlop/s
Power Measurement Level: 2
Software
Operating System: RHEL
Compiler: NVIDIA HPC-Benchmarks
Math Library: NVIDIA cuBLAS
MPI: NVIDIA HPC-X
List Rank System Vendor Total Cores Rmax (PFlop/s) Rpeak (PFlop/s) Power (kW)
06/2026 91 BullSequana XH3000, GH Superchip 72C 3GHz, NVIDIA GH200 Superchip, Quad-Rail NVIDIA InfiniBand NDR, Redhat Enterprise Linux Bull 107,712 23.50 27.80 381.47