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

Site: Sandia National Laboratories
Manufacturer: HPE
Cores: 383,040
Processor: AMD 4th Gen EPYC 24C 1.8GHz
Interconnect: Slingshot-11
Installation Year: 2024
Performance
Linpack Performance (Rmax) 68.02 PFlop/s
Theoretical Peak (Rpeak) 95.29 PFlop/s
Nmax 4,734,720
Power Consumption
Power: 1,110.02 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)
06/2026 41 HPE Cray EX255a, AMD 4th Gen EPYC 24C 1.8GHz, AMD Instinct MI300A, Slingshot-11, TOSS HPE 383,040 68.02 95.29 1,110.02
11/2025 33 HPE Cray EX255a, AMD 4th Gen EPYC 24C 1.8GHz, AMD Instinct MI300A, Slingshot-11, TOSS HPE 383,040 68.02 95.29 1,110.02
06/2025 28 HPE Cray EX255a, AMD 4th Gen EPYC 24C 1.8GHz, AMD Instinct MI300A, Slingshot-11, TOSS HPE 383,040 68.02 95.29 1,110.02
11/2024 20 HPE Cray EX255a, AMD 4th Gen EPYC 24C 1.8GHz, AMD Instinct MI300A, Slingshot-11, TOSS HPE 383,040 68.02 95.29 1,110.02