Pegasus - NEC LX 102Bk-6, Xeon Platinum 8468 48C 2.1GHz, NVIDIA H100 PCIe 80GB, Infiniband NDR200, Ubuntu 22.04

Site: Center for Computational Sciences, University of Tsukuba
System URL: https://www.ccs.tsukuba.ac.jp/supercomputer/
Manufacturer: NEC
Cores: 27,000
Processor: Xeon Platinum 8468 48C 2.1GHz
Interconnect: Infiniband NDR200
Installation Year: 2023
Performance
Linpack Performance (Rmax) 4.34 PFlop/s
Theoretical Peak (Rpeak) 8.13 PFlop/s
Nmax 1,209,600
Power Consumption
Power: 130.41 kW (Optimized: 67.87 kW)
HPL of optimized run2.79 PFlop/s
Power Measurement Level: 2
Software
Operating System: Ubuntu 22.04
Compiler: GCC
Math Library: cuBLAS
MPI: OpenMPI
List Rank System Vendor Total Cores Rmax (PFlop/s) Rpeak (PFlop/s) Power (kW)
06/2025 267 NEC LX 102Bk-6, Xeon Platinum 8468 48C 2.1GHz, NVIDIA H100 PCIe 80GB, Infiniband NDR200, Ubuntu 22.04 NEC 27,000 4.34 8.13 130.41
11/2024 228 NEC LX 102Bk-6, Xeon Platinum 8468 48C 2.1GHz, NVIDIA H100 PCIe 80GB, Infiniband NDR200, Ubuntu 22.04 NEC 27,000 4.34 8.13 130.41
06/2024 255 NEC LX 102Bk-6, Xeon Platinum 8468 48C 2.1GHz, NVIDIA H100 PCIe 80 GB, Infiniband NDR 200 NEC 21,600 3.48 6.51 67.87
11/2023 225 NEC LX 102Bk-6, Xeon Platinum 8468 48C 2.1GHz, NVIDIA H100 PCIe 80 GB, Infiniband NDR 200 NEC 21,600 3.48 6.51 67.87
06/2023 190 NEC LX 102Bk-6, Xeon Platinum 8468 48C 2.1GHz, NVIDIA H100 80GB PCIe, Infiniband NDR NEC 13,680 3.48 6.51 78.94