Fugaku (supercomputer)

Fugaku
Active	From 2021
Sponsors	MEXT
Operators	Riken
Location	Riken Center for Computational Science (R-CCS)
Architecture	158,976 nodes; Fujitsu A64FX CPU (48+4 core) per node; Tofu interconnect D;
Operating system	Custom Linux-based kernel
Memory	HBM2 32 GiB/node
Storage	1.6 TB NVMe SSD/16 nodes (L1); 150 PB shared Lustre FS (L2); Cloud storage services (L3);
Speed	442 PFLOPS (per TOP500 Rmax), after upgrade; higher 2.0 EFLOPS on a different mixed-precision benchmark
Cost	US$1 billion (total programme cost)
Ranking	TOP500: No. 4, June 2024
Purpose	Scientific research
Legacy	TOP500 No.1, June 2020 – June 2022
Website	www.r-ccs.riken.jp/en/fugaku
Sources	Fugaku System Configuration

Fugaku (Japanese: 富岳) is a petascale supercomputer at the Riken Center for Computational Science in Kobe, Japan. It started development in 2014 as the successor to the K computer^[4] and made its debut in 2020. It is named after an alternative name for Mount Fuji.^[5]

It became the fastest supercomputer in the world in the June 2020 TOP500 list^[6] as well as becoming the first ARM architecture-based computer to achieve this.^[7] At this time it also achieved 1.42 exaFLOPS using the mixed fp16/fp64 precision HPL-AI benchmark. It started regular operations in 2021.^[8]

Fugaku was superseded as the fastest supercomputer in the world by Frontier in May 2022.^[9]

^ "Post-K (Fugaku) Information". Fujitsu. Archived from the original on 2020-06-08. Retrieved 2020-06-23.
^ Cite error: The named reference 2020-06-22-nytimes was invoked but never defined (see the help page).
^ Cite error: The named reference 2018-09-14-nikkei was invoked but never defined (see the help page).
^ "スーパーコンピュータ「富岳」プロジェクト" (in Japanese). 理化学研究所. Retrieved 2019-05-25.
^ "Supercomputer Fugaku, named after Mt. Fuji, makes its debut". The Asahi Shimbun. 2020-06-16. Retrieved 2020-06-23.
^ "Japan's Fugaku gains title as world's fastest supercomputer" (Press release). www.riken.jp. Retrieved 2020-12-07.
^ Cite error: The named reference 2020-06-22-anandtech was invoked but never defined (see the help page).
^ Cite error: The named reference 2021-01-07-japan-times was invoked but never defined (see the help page).
^ "ORNL's Frontier First to Break the Exaflop Ceiling". Top500. 30 May 2022. Retrieved 2022-05-30.

[1] "Post-K (Fugaku) Information". Fujitsu. Archived from the original on 2020-06-08. Retrieved 2020-06-23.

[2020-06-22-nytimes-2] Cite error: The named reference 2020-06-22-nytimes was invoked but never defined (see the help page).

[2018-09-14-nikkei-3] Cite error: The named reference 2018-09-14-nikkei was invoked but never defined (see the help page).

[:0-4] "スーパーコンピュータ「富岳」プロジェクト" (in Japanese). 理化学研究所. Retrieved 2019-05-25.

[5] "Supercomputer Fugaku, named after Mt. Fuji, makes its debut". The Asahi Shimbun. 2020-06-16. Retrieved 2020-06-23.

[6] "Japan's Fugaku gains title as world's fastest supercomputer" (Press release). www.riken.jp. Retrieved 2020-12-07.

[2020-06-22-anandtech-7] Cite error: The named reference 2020-06-22-anandtech was invoked but never defined (see the help page).

[2021-01-07-japan-times-8] Cite error: The named reference 2021-01-07-japan-times was invoked but never defined (see the help page).

[2022-05-top500-9] "ORNL's Frontier First to Break the Exaflop Ceiling". Top500. 30 May 2022. Retrieved 2022-05-30.

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