Viper-CPU - BullSequana XH3000, AMD EPYC 9554 64C 3.1GHz, Infiniband NDR200, RedHat Enterprise Linux

Site: Max-Planck-Gesellschaft MPI/IPP
System URL: https://www.mpcdf.mpg.de/services/supercomputing/viper
Manufacturer: EVIDEN
Cores: 97,920
Processor: AMD EPYC 9554 64C 3.1GHz
Interconnect: Infiniband NDR200
Installation Year: 2025
Performance
Linpack Performance (Rmax) 4.29 PFlop/s
Theoretical Peak (Rpeak) 4.80 PFlop/s
Nmax 3,870,720
Power Consumption
Power: 784.00 kW
Power Measurement Level: 1
Software
Operating System: RedHat Enterprise Linux
Compiler: GCC 14.2.0
Math Library: AMD Optimized CPU Libraries (AOCL)
MPI: OpenMPI 5.0.7
List Rank System Vendor Total Cores Rmax (PFlop/s) Rpeak (PFlop/s) Power (kW)
11/2025 301 BullSequana XH3000, AMD EPYC 9554 64C 3.1GHz, Infiniband NDR200, RedHat Enterprise Linux EVIDEN 97,920 4.29 4.80 784.00