Lassen - IBM Power System AC922, IBM POWER9 22C 3.1GHz, Dual-rail Mellanox EDR Infiniband, NVIDIA Tesla V100

Site: DOE/NNSA/LLNL
Manufacturer: IBM / NVIDIA / Mellanox
Cores: 288,288
Memory: 253,440 GB
Processor: IBM POWER9 22C 3.1GHz
Interconnect: Dual-rail Mellanox EDR Infiniband
Performance
Linpack Performance (Rmax) 18,200 TFlop/s
Theoretical Peak (Rpeak) 23,047.2 TFlop/s
Nmax 5,059,584
Software
Operating System: Red Hat Enterprise Linux
Compiler: IBM XLC
Math Library: ESSL, CUBLAS 10.1
MPI: IBM Spectrum MPI
List Rank System Vendor Total Cores Rmax (TFlops) Rpeak (TFlops) Power (kW)
11/2020 17 IBM Power System AC922, IBM POWER9 22C 3.1GHz, Dual-rail Mellanox EDR Infiniband, NVIDIA Tesla V100 IBM / NVIDIA / Mellanox 288,288 18,200.0 23,047.2
06/2020 14 IBM Power System AC922, IBM POWER9 22C 3.1GHz, Dual-rail Mellanox EDR Infiniband, NVIDIA Tesla V100 IBM / NVIDIA / Mellanox 288,288 18,200.0 23,047.2
11/2019 10 IBM Power System AC922, IBM POWER9 22C 3.1GHz, Dual-rail Mellanox EDR Infiniband, NVIDIA Tesla V100 IBM / NVIDIA / Mellanox 288,288 18,200.0 23,047.2
06/2019 10 IBM Power System AC922, IBM POWER9 22C 3.1GHz, Dual-rail Mellanox EDR Infiniband, NVIDIA Tesla V100 IBM / NVIDIA / Mellanox 288,288 18,200.0 23,047.2
11/2018 11 IBM Power System S922LC, IBM POWER9 22C 3.1GHz, Dual-rail Mellanox EDR Infiniband, NVIDIA Tesla V100 IBM / NVIDIA / Mellanox 248,976 15,430.0 19,904.4