Perlmutter - HPE Cray EX 235n, AMD EPYC 7763 64C 2.45GHz, NVIDIA A100 SXM4 40 GB, Slingshot-11

Site: DOE/SC/LBNL/NERSC
System URL: https://www.nersc.gov/systems/perlmutter/
Manufacturer: HPE
Cores: 888,832
Processor: AMD EPYC 7763 64C 2.45GHz
Interconnect: Slingshot-11
Installation Year: 2021
Performance
Linpack Performance (Rmax) 79.23 PFlop/s
Theoretical Peak (Rpeak) 113.00 PFlop/s
Nmax 5,800,000
HPCG 1,905.0 TFlop/s
Power Consumption
Power: 2,945.00 kW
Power Measurement Level: 3
Software
Operating System: HPE Cray OS
Compiler: nvcc
Math Library: cuBLAS
MPI: Cray MPI
List Rank System Vendor Total Cores Rmax (PFlop/s) Rpeak (PFlop/s) Power (kW)
11/2025 30 HPE Cray EX 235n, AMD EPYC 7763 64C 2.45GHz, NVIDIA A100 SXM4 40 GB, Slingshot-11 HPE 888,832 79.23 113.00 2,945.00
06/2025 25 HPE Cray EX 235n, AMD EPYC 7763 64C 2.45GHz, NVIDIA A100 SXM4 40 GB, Slingshot-11 HPE 888,832 79.23 113.00 2,945.00
11/2024 19 HPE Cray EX 235n, AMD EPYC 7763 64C 2.45GHz, NVIDIA A100 SXM4 40 GB, Slingshot-11 HPE 888,832 79.23 113.00 2,945.00
06/2024 14 HPE Cray EX 235n, AMD EPYC 7763 64C 2.45GHz, NVIDIA A100 SXM4 40 GB, Slingshot-11 HPE 888,832 79.23 113.00 2,945.00
11/2023 12 HPE Cray EX 235n, AMD EPYC 7763 64C 2.45GHz, NVIDIA A100 SXM4 40 GB, Slingshot-11 HPE 888,832 79.23 113.00 2,945.00
06/2023 8 HPE Cray EX235n, AMD EPYC 7763 64C 2.45GHz, NVIDIA A100 SXM4 40 GB, Slingshot-10 HPE 761,856 70.87 93.75 2,589.00
11/2022 8 HPE Cray EX235n, AMD EPYC 7763 64C 2.45GHz, NVIDIA A100 SXM4 40 GB, Slingshot-10 HPE 761,856 70.87 93.75 2,589.00
06/2022 7 HPE Cray EX235n, AMD EPYC 7763 64C 2.45GHz, NVIDIA A100 SXM4 40 GB, Slingshot-10 HPE 761,856 70.87 93.75 2,589.00
11/2021 5 HPE Cray EX235n, AMD EPYC 7763 64C 2.45GHz, NVIDIA A100 SXM4 40 GB, Slingshot-10 HPE 761,856 70.87 93.75 2,589.00
06/2021 5 HPE Cray EX235n, AMD EPYC 7763 64C 2.45GHz, NVIDIA A100 SXM4 40 GB, Slingshot-10 HPE 706,304 64.59 89.79 2,528.00