| Site: | KDDI CORPORATION |
|---|---|
| System URL: | https://newsroom.kddi.com/english/news/detail/kddi_nr-916_4323.html |
| Manufacturer: | HPE |
| Cores: | 148,896 |
| Processor: | NVIDIA Grace 72C 3.1GHz |
| Interconnect: | NVIDIA Spectrum-X Ethernet |
| Installation Year: | 2026 |
| Performance | |
| Linpack Performance (Rmax) | 22.21 PFlop/s |
| Theoretical Peak (Rpeak) | 24.12 PFlop/s |
| Nmax | 3,883,008 |
| HPCG | 532.451 TFlop/s |
| Software | |
| Operating System: | Ubuntu 24.04.1 LTS |
| Compiler: | NVIDIA NVCC 13.0.88 |
| Math Library: | NVIDIA cuBLAS 13.0.2.14 |
| MPI: | OpenMPI 4.1.9a1 |
| List | Rank | System | Vendor | Total Cores | Rmax (PFlop/s) | Rpeak (PFlop/s) | Power (kW) |
|---|---|---|---|---|---|---|---|
| 06/2026 | 98 | NVIDIA DGX GB200 NVL72, NVIDIA Grace 72C 3.1GHz, NVIDIA GB200 Superchip, NVIDIA Spectrum-X Ethernet, Ubuntu 24.04.1 LTS | HPE | 148,896 | 22.21 | 24.12 |