Supercomputer Fugaku
The supercomputer Fugaku, jointly developed by RIKEN and Fujitsu since 2014, was completed on March 9, 2021.
On the same day, Fugaku became available for shared use, providing access for a wide range of researchers and users in academic and industrial fields.
Supercomputer Fugaku retains first place worldwide in Graph500 rankings
Kawasaki, Japan, June 10, 2025
The supercomputer Fugaku, jointly developed by RIKEN and Fujitsu, has successfully retained the top spot for 11 consecutive terms in the Graph500 BFS (Breadth-First Search), a major high-performance computer ranking...
Fugaku and associated technologies help to solve major challenges in the world today
Interview with the lead developers of the supercomputer Fugaku
We invited two key persons who led the development of Fugaku to discuss the history of supercomputers and the possibilities that await in the future.
Pick UP
What is Fugaku?
System features
A system that excels in its all-around capabilities with up to 100 times greater application performance than that of the K computer
- Low power consumption, high computational performance, user convenience , and ability to produce ground-breaking results
- Power consumption of 30 to 40 MW (cf. K computer: 12.7 MW)
- Design also suited for AI applications such as deep learning
Fujitsu's expertise
Developing the entire system from the processor to software by integrating cutting-edge technologies
- Processor compliant with Armv8.2-A SVE, the latest instruction set architecture for high-performance servers
Specifications
World-leading performance using the newly developed A64FX processor
- Total number of nodes: 158,976 (432 racks)
- Peak performance (boost mode) : 537 PFLOPS (double precision)
Technologies
Application example
Fujitsu Japan Embarks on Joint Research for COVID-19 Therapies Using World’s Fastest Supercomputer with Researchers of Research Center for Advanced Science and Technology, The University of Tokyo
Exploration into molecular mechanisms of infection inhibition may lead to development of new COVID-19 Treatments
Fujitsu Leverages World’s Fastest Supercomputer ‘Fugaku’ and AI to Deliver Real-Time Tsunami Prediction in Joint Project
International Research Institute of Disaster Science, Tohoku University, Earthquake Research Institute, The University of Tokyo, Fujitsu Laboratories Ltd.
