Lockhart TDS - HPE Cray EX EX235a, AMD Optimized 3rd Generation EPYC 64C 2GHz, AMD Instinct MI250X, Slingshot-11, HPE Cray OS

Site: AMD QTS Data Center
Manufacturer: HPE
Cores: 33,984
Processor: AMD Optimized 3rd Generation EPYC 64C 2GHz
Interconnect: Slingshot-11
Installation Year: 2021
Performance
Linpack Performance (Rmax) 6.06 PFlop/s
Theoretical Peak (Rpeak) 7.68 PFlop/s
Nmax 1,613,824
HPCG 61.5718 TFlop/s
Software
Operating System: HPE Cray OS
Compiler: amdclang
Math Library: rocBlas
MPI: MPICH
List Rank System Vendor Total Cores Rmax (PFlop/s) Rpeak (PFlop/s) Power (kW)
06/2025 214 HPE Cray EX EX235a, AMD Optimized 3rd Generation EPYC 64C 2GHz, AMD Instinct MI250X, Slingshot-11, HPE Cray OS HPE 33,984 6.06 7.68