Sierra - IBM Power System AC922, IBM POWER9 22C 3.1GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband

Site: DOE/NNSA/LLNL
System URL: https://hpc.llnl.gov/hardware/platforms/sierra
Manufacturer: IBM / NVIDIA / Mellanox
Cores: 1,572,480
Processor: IBM POWER9 22C 3.1GHz
Interconnect: Dual-rail Mellanox EDR Infiniband
Installation Year: 2018
Performance
Linpack Performance (Rmax) 94.64 PFlop/s
Theoretical Peak (Rpeak) 125.71 PFlop/s
Nmax 11,902,464
HPCG 1,795.67 TFlop/s
Power Consumption
Power: 7,438.28 kW
Power Measurement Level: 2
Software
Operating System: Red Hat Enterprise Linux
Compiler: IBM XLC
Math Library: ESSL, CUBLAS 9.2
MPI: IBM Spectrum MPI
List Rank System Vendor Total Cores Rmax (PFlop/s) Rpeak (PFlop/s) Power (kW)
06/2025 20 IBM Power System AC922, IBM POWER9 22C 3.1GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband IBM / NVIDIA / Mellanox 1,572,480 94.64 125.71 7,438.28
11/2024 14 IBM Power System AC922, IBM POWER9 22C 3.1GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband IBM / NVIDIA / Mellanox 1,572,480 94.64 125.71 7,438.28
06/2024 12 IBM Power System AC922, IBM POWER9 22C 3.1GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband IBM / NVIDIA / Mellanox 1,572,480 94.64 125.71 7,438.28
11/2023 10 IBM Power System AC922, IBM POWER9 22C 3.1GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband IBM / NVIDIA / Mellanox 1,572,480 94.64 125.71 7,438.28
06/2023 6 IBM Power System AC922, IBM POWER9 22C 3.1GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband IBM / NVIDIA / Mellanox 1,572,480 94.64 125.71 7,438.28
11/2022 6 IBM Power System AC922, IBM POWER9 22C 3.1GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband IBM / NVIDIA / Mellanox 1,572,480 94.64 125.71 7,438.28
06/2022 5 IBM Power System AC922, IBM POWER9 22C 3.1GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband IBM / NVIDIA / Mellanox 1,572,480 94.64 125.71 7,438.28
11/2021 3 IBM Power System AC922, IBM POWER9 22C 3.1GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband IBM / NVIDIA / Mellanox 1,572,480 94.64 125.71 7,438.28
06/2021 3 IBM Power System AC922, IBM POWER9 22C 3.1GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband IBM / NVIDIA / Mellanox 1,572,480 94.64 125.71 7,438.28
11/2020 3 IBM Power System AC922, IBM POWER9 22C 3.1GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband IBM / NVIDIA / Mellanox 1,572,480 94.64 125.71 7,438.28
06/2020 3 IBM Power System AC922, IBM POWER9 22C 3.1GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband IBM / NVIDIA / Mellanox 1,572,480 94.64 125.71 7,438.28
11/2019 2 IBM Power System AC922, IBM POWER9 22C 3.1GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband IBM / NVIDIA / Mellanox 1,572,480 94.64 125.71 7,438.28
06/2019 2 IBM Power System AC922, IBM POWER9 22C 3.1GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband IBM / NVIDIA / Mellanox 1,572,480 94.64 125.71 7,438.28
11/2018 2 IBM Power System S922LC, IBM POWER9 22C 3.1GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband IBM / NVIDIA / Mellanox 1,572,480 94.64 125.71 7,438.28
06/2018 3 IBM Power System S922LC, IBM POWER9 22C 3.1GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband IBM / NVIDIA / Mellanox 1,572,480 71.61 119.19