Kestrel GPU - HPE Cray XD665, AMD EPYC 9554 64C 3.1GHz, NVIDIA H100 80GB, Slingshot-11, RHEL 6.8

Site: National Renewable Energy Laboratory
System URL: https://www.nrel.gov/hpc/kestrel-computing-system.html
Manufacturer: HPE
Cores: 83,968
Processor: AMD EPYC 9554 64C 3.1GHz
Interconnect: Slingshot-11
Installation Year: 2024
Performance
Linpack Performance (Rmax) 18.40 PFlop/s
Theoretical Peak (Rpeak) 34.35 PFlop/s
Nmax 2,228,224
Nhalf 1,566,720
Software
Operating System: RHEL 6.8
Compiler: gcc/12.a and cuda/12.3
Math Library: Nvidia Math
MPI: Cray-MPICH
List Rank System Vendor Total Cores Rmax (PFlop/s) Rpeak (PFlop/s) Power (kW)
06/2026 118 HPE Cray XD665, AMD EPYC 9554 64C 3.1GHz, NVIDIA H100 80GB, Slingshot-11, RHEL 6.8 HPE 83,968 18.40 34.35
11/2025 98 HPE Cray XD665, AMD EPYC 9554 64C 3.1GHz, NVIDIA H100 80GB, Slingshot-11, RHEL 6.8 HPE 83,968 18.40 34.35
06/2025 87 HPE Cray XD665, AMD EPYC 9554 64C 3.1GHz, NVIDIA H100 80GB, Slingshot-11, RHEL 6.8 HPE 83,968 18.40 34.35
11/2024 71 HPE Cray XD665, AMD EPYC 9554 64C 3.1GHz, NVIDIA H100 80GB, Slingshot-11, RHEL 6.8 HPE 83,968 18.40 34.35