Supercomputer Fugaku - Supercomputer Fugaku, A64FX 48C 2.2GHz, Tofu interconnect D

Site: RIKEN Center for Computational Science
System URL: https://www.r-ccs.riken.jp/en/fugaku/project
Manufacturer: Fujitsu
Cores: 7,630,848
Processor: A64FX 48C 2.2GHz
Interconnect: Tofu interconnect D
Installation Year: 2020
Performance
Linpack Performance (Rmax) 442.01 PFlop/s
Theoretical Peak (Rpeak) 537.21 PFlop/s
Nmax 21,288,960
HPCG 16,004.5 TFlop/s
Power Consumption
Power: 29,899.23 kW (Optimized: 26248.36 kW)
HPL of optimized run404.69 PFlop/s
Power Measurement Level: 2
Software
Operating System: Red Hat Enterprise Linux
Compiler: FUJITSU Software Technical Computing Suite V4.0
Math Library: FUJITSU Software Technical Computing Suite V4.0
MPI: FUJITSU Software Technical Computing Suite V4.0
List Rank System Vendor Total Cores Rmax (PFlop/s) Rpeak (PFlop/s) Power (kW)
06/2025 7 Supercomputer Fugaku, A64FX 48C 2.2GHz, Tofu interconnect D Fujitsu 7,630,848 442.01 537.21 29,899.23
11/2024 6 Supercomputer Fugaku, A64FX 48C 2.2GHz, Tofu interconnect D Fujitsu 7,630,848 442.01 537.21 29,899.23
06/2024 4 Supercomputer Fugaku, A64FX 48C 2.2GHz, Tofu interconnect D Fujitsu 7,630,848 442.01 537.21 29,899.23
11/2023 4 Supercomputer Fugaku, A64FX 48C 2.2GHz, Tofu interconnect D Fujitsu 7,630,848 442.01 537.21 29,899.23
06/2023 2 Supercomputer Fugaku, A64FX 48C 2.2GHz, Tofu interconnect D Fujitsu 7,630,848 442.01 537.21 29,899.23
11/2022 2 Supercomputer Fugaku, A64FX 48C 2.2GHz, Tofu interconnect D Fujitsu 7,630,848 442.01 537.21 29,899.23
06/2022 2 Supercomputer Fugaku, A64FX 48C 2.2GHz, Tofu interconnect D Fujitsu 7,630,848 442.01 537.21 29,899.23
11/2021 1 Supercomputer Fugaku, A64FX 48C 2.2GHz, Tofu interconnect D Fujitsu 7,630,848 442.01 537.21 29,899.23
06/2021 1 Supercomputer Fugaku, A64FX 48C 2.2GHz, Tofu interconnect D Fujitsu 7,630,848 442.01 537.21 29,899.23
11/2020 1 Supercomputer Fugaku, A64FX 48C 2.2GHz, Tofu interconnect D Fujitsu 7,630,848 442.01 537.21 29,899.23
06/2020 1 Supercomputer Fugaku, A64FX 48C 2.2GHz, Tofu interconnect D Fujitsu 7,299,072 415.53 513.85 28,334.50