No. 1 between June 2022 - June 2024
Frontier system at Oak Ridge National Laboratory (ORNL) in the US is based on the latest HPE Cray EX235a architecture and equipped with AMD EPYC 64C 2GHz processors, the system has 8,730,112 total cores, a power efficiency rating of 52.23 gigaflops/watt, and relies on gigabit ethernet for data transfer.
