Frontier (United States) - Frontier was built in 2022 by the American multinational information technology company Hewlett Packard Enterprise in collaboration with its subsidiary Cray.
Fugaku (Japan) - Fugaku was built in 2020 by the Japanese IT giant Fujitsu as a successor to the company's older K computer built in 2011.
LUMI (Finland) - LUMI (Large Unified Modern Infrastructure) was built in 2022 by HPE and is located in Finland, making it Europe's fastest supercomputer.
Summit (United States) - Summit was built in 2018 by IBM for conducting scientific research. It's located at Oak Ridge National Laboratory in the US, i.e., the same site as Frontier.
Sierra (United States) - Sierra was built in 2018 and is very similar to Summit as both supercomputers use the same IBM POWER9 22-core CPU architecture and Nvidia Tesla V100 GPUs.
Sunway TaihuLight (China) - Sixth on the list, we find our first Chinese supercomputer, Sunway TaihuLight. It was built in 2016 for various purposes such as weather forecasting, pharmaceutical research, life sciences research, and more.
Perlmutter (United States) - Built in 2021 by HPE, Perlmutter is the world's seventh most powerful supercomputer—named after the Nobel Prize winner Saul Perlmutter.
Selene (United States) - Selene was built in 2020 by Nvidia and is named after the Greek goddess of the moon. Selene is also used to train Google's natural language processing model BERT.