| Site: | DOE/NNSA/LLNL |
|---|---|
| Manufacturer: | HPE |
| Cores: | 11,340,000 |
| Processor: | AMD 4th Gen EPYC 24C 1.8GHz |
| Interconnect: | Slingshot-11 |
| Installation Year: | 2024 |
| Performance | |
| Linpack Performance (Rmax) | 1,809.00 PFlop/s |
| Theoretical Peak (Rpeak) | 2,821.10 PFlop/s |
| Nmax | 24,768,000 |
| HPCG | 17,406.0 TFlop/s |
| Power Consumption | |
| Power: | 29,684.62 kW |
| Power Measurement Level: | 2 |
| Software | |
| Operating System: | TOSS |
| Compiler: | g++ 8.5.0 and hipcc 6.4.2 |
| Math Library: | AMD rocBLAS 6.4.2 |
| MPI: | HPE Cray MPI |
| List | Rank | System | Vendor | Total Cores | Rmax (PFlop/s) | Rpeak (PFlop/s) | Power (kW) |
|---|---|---|---|---|---|---|---|
| 11/2025 | 1 | HPE Cray EX255a, AMD 4th Gen EPYC 24C 1.8GHz, AMD Instinct MI300A, Slingshot-11, TOSS | HPE | 11,340,000 | 1,809.00 | 2,821.10 | 29,684.62 |
| 06/2025 | 1 | HPE Cray EX255a, AMD 4th Gen EPYC 24C 1.8GHz, AMD Instinct MI300A, Slingshot-11, TOSS | HPE | 11,039,616 | 1,742.00 | 2,746.38 | 29,580.98 |
| 11/2024 | 1 | HPE Cray EX255a, AMD 4th Gen EPYC 24C 1.8GHz, AMD Instinct MI300A, Slingshot-11, TOSS | HPE | 11,039,616 | 1,742.00 | 2,746.38 | 29,580.98 |