Department of Energy, Oak Ridge National Laboratory
Department of Energy, Lawrence Livermore National Laboratory
National Supercomputing Center, China
National Supercomputing Center in Guangzhou, China
TACC
Swiss National Supercomputing Center
Department of Energy, Los Alamos National Laboratory
National Institute of Advanced Industrial Science and Technology, Japan
Leibniz Rechenzentrum
Lawrence Livermore National Laboratory

1. Summit – IBM
- IBM Power System AC922, IBM POWER9 22C 3.07GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR InfiniBand
- 2.41 million cores
- 148.6 petaflops
- Department of Energy, Oak Ridge National Laboratory
Department of Energy, Lawrence Livermore National Laboratory
National Supercomputing Center, China
National Supercomputing Center in Guangzhou, China
TACC
Swiss National Supercomputing Center
Department of Energy, Los Alamos National Laboratory
National Institute of Advanced Industrial Science and Technology, Japan
Leibniz Rechenzentrum
Lawrence Livermore National Laboratory
2. Sierra – IBM
- IBM Power System S922LC, IBM POWER9 22C 3.1GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR InfiniBand
- 1.57 million cores
- 94.64 petaflops
- Department of Energy, Lawrence Livermore National Laboratory
National Supercomputing Center, China
National Supercomputing Center in Guangzhou, China
TACC
Swiss National Supercomputing Center
Department of Energy, Los Alamos National Laboratory
National Institute of Advanced Industrial Science and Technology, Japan
Leibniz Rechenzentrum
Lawrence Livermore National Laboratory
3. Sunway TaihuLight – NCRPC
- Sunway MPP, Sunway SW26010 260C 1.45GHz, Sunway
- 10.65 million cores
- 93 petaflops
- National Supercomputing Center in Wuxi, China
National Supercomputing Center in Guangzhou, China
TACC
Swiss National Supercomputing Center
Department of Energy, Los Alamos National Laboratory
National Institute of Advanced Industrial Science and Technology, Japan
Leibniz Rechenzentrum
Lawrence Livermore National Laboratory
4. Tianhe – 2A – NUDT
- TH-IVB-FEP Cluster, Intel Xeon E5-2692v2 12C 2.2GHz, TH Express-2, Matrix-2000
- 4.98 million cores
- 61.44 petaflops
- National Supercomputing Center in Guangzhou, China
TACC
Swiss National Supercomputing Center
Department of Energy, Los Alamos National Laboratory
National Institute of Advanced Industrial Science and Technology, Japan
Leibniz Rechenzentrum
Lawrence Livermore National Laboratory
5. Frontera – Dell
- Dell C6420, Xeon Platinum 8280 28C 2.7GHz, Mellanox InfiniBand HDR , Dell EMC
- 448,448 cores
- 23.52 petaflops
- Texas Advanced Computing Center, University of Texas
Swiss National Supercomputing Center
Department of Energy, Los Alamos National Laboratory
National Institute of Advanced Industrial Science and Technology, Japan
Leibniz Rechenzentrum
Lawrence Livermore National Laboratory
6. Piz Daint – Cray
- Cray XC50, Xeon E5-2690v3 12C 2.6GHz, Aries interconnect , NVIDIA Tesla P100
- 387,872 cores
- 21.23 petaflops
- Swiss National Supercomputing Center
Department of Energy, Los Alamos National Laboratory
National Institute of Advanced Industrial Science and Technology, Japan
Leibniz Rechenzentrum
Lawrence Livermore National Laboratory
7. Trinity – Cray
- Cray XC40, Intel Xeon Phi 7250 68C 1.4GHz, Aries interconnect
- 980,000 cores
- 20.16 petaflops
- Department of Energy, Los Alamos National Laboratory
National Institute of Advanced Industrial Science and Technology, Japan
Leibniz Rechenzentrum
Lawrence Livermore National Laboratory
8. AI Bridging Cloud Infrastructure (ABCI) – Fujitsu
- PRIMERGY CX2550 M4, Xeon Gold 6148 20C 2.4GHz, NVIDIA Tesla V100 SXM2, Infiniband EDR
- 391,680 cores
- 19.88 petaflops
- National Institute of Advanced Industrial Science and Technology in
Japan
Leibniz Rechenzentrum
Lawrence Livermore National Laboratory
9. SuperMUC-NG — Lenovo
- ThinkSystem SD650, Xeon Platinum 8174 24C 3.1GHz, Intel Omni-Path , Lenovo
- 305,856 cores
- 19.48 petaflops
- Leibniz Rechenzentrum, Germany
Lawrence Livermore National Laboratory
10. Lassen — IBM
- IBM Power System S922LC, IBM POWER9 22C 3.1GHz, Dual-rail Mellanox EDR Infiniband, NVIDIA Tesla V100 , IBM / NVIDIA / Mellanox
- 288,288 cores
- 18.2 petaflops
- Lawrence Livermore National Laboratory, California
