Arunika - BullSequana XH2000, AMD EPYC 7643 48C 2.3GHz, Infiniband HDR, Red Hat Enterprise Linux

Site: National Centre for Medium Range Weather Forecasting
System URL: https://www.ncmrwf.gov.in/
Manufacturer: Bull
Cores: 203,040
Processor: AMD EPYC 7643 48C 2.3GHz
Interconnect: Infiniband HDR
Installation Year: 2024
Performance
Linpack Performance (Rmax) 5.94 PFlop/s
Theoretical Peak (Rpeak) 7.40 PFlop/s
Nmax 6,000,576
Power Consumption
Power: 1,235.80 kW
Power Measurement Level: 1
Software
Operating System: Red Hat Enterprise Linux
Compiler: Intel oneAPI
Math Library: Intel oneAPI
MPI: NVIDIA HPC-X
List Rank System Vendor Total Cores Rmax (PFlop/s) Rpeak (PFlop/s) Power (kW)
06/2026 274 BullSequana XH2000, AMD EPYC 7643 48C 2.3GHz, Infiniband HDR, Red Hat Enterprise Linux Bull 203,040 5.94 7.40 1,235.80
11/2025 251 BullSequana XH2000, AMD EPYC 7643 48C 2.3GHz, Infiniband HDR, Red Hat Enterprise Linux Bull 203,040 5.94 7.40 1,235.80
06/2025 221 BullSequana XH2000, AMD EPYC 7643 48C 2.3GHz, Infiniband HDR, Red Hat Enterprise Linux Bull 203,040 5.94 7.40 1,235.80
11/2024 189 BullSequana XH2000, AMD EPYC 7643 48C 2.3GHz, Infiniband HDR, Red Hat Enterprise Linux Bull 203,040 5.94 7.40 1,235.80