rzAdams - HPE Cray EX255a, AMD 4th Gen EPYC 24C 1.8GHz, AMD Instinct MI300A, Slingshot-11, TOSS

Site: DOE/NNSA/LLNL
Manufacturer: HPE
Cores: 129,024
Processor: AMD 4th Gen EPYC 24C 1.8GHz
Interconnect: Slingshot-11
Installation Year: 2024
Performance
Linpack Performance (Rmax) 24.38 PFlop/s
Theoretical Peak (Rpeak) 32.10 PFlop/s
Nmax 2,764,800
Power Consumption
Power: 388.20 kW
Power Measurement Level: 2
Software
Operating System: TOSS
Compiler: g++ 12.2.1 and hipcc 6.2.0
Math Library: AMD rocBLAS 6.0.2 and Intel MKL 2016
MPI: HPE Cray MPI
List Rank System Vendor Total Cores Rmax (PFlop/s) Rpeak (PFlop/s) Power (kW)
11/2025 72 HPE Cray EX255a, AMD 4th Gen EPYC 24C 1.8GHz, AMD Instinct MI300A, Slingshot-11, TOSS HPE 129,024 24.38 32.10 388.20
06/2025 64 HPE Cray EX255a, AMD 4th Gen EPYC 24C 1.8GHz, AMD Instinct MI300A, Slingshot-11, TOSS HPE 129,024 24.38 32.10 388.20
11/2024 49 HPE Cray EX255a, AMD 4th Gen EPYC 24C 1.8GHz, AMD Instinct MI300A, Slingshot-11, TOSS HPE 129,024 24.38 32.10 388.20
06/2024 47 HPE Cray EX255a, AMD 4th Gen EPYC 24C 1.8GHz, AMD Instinct MI300A, Slingshot-11 HPE 129,024 19.65 32.10