Companies/Fujitsu
Tokyo, Japan
Fujitsu
A64FX Arm CPU and the Tofu interconnect family. The only vendor to reach No. 1 with a CPU-only, accelerator-free architecture in the accelerator era.
Systems this company appears in
- Systems
- 54
- Aggregate Rmax
- 710.2 PFlop/s
- Aggregate power
- 68.23 MW
- First appearance
- 1993-01
- Most recent
- 2026-01-26
- Concentration
- 62%
systems it appears in
where disclosed
largest is Fugaku
Aggregate Rmax is the sum of the systems this company supplies any part of. It is not revenue and not attributable share: an integrator and a memory vendor in the same machine both count its full FLOPS here. Attribution weighted by role is Phase 4.
Role breakdown
| Role | Systems | Rmax in those systems |
|---|---|---|
| Integrator | 52 | 710.2 PFlop/s |
| CPU | 24 | 539.1 PFlop/s |
| Interconnect | 21 | 535.0 PFlop/s |
| Storage | 6 | 453.9 PFlop/s |
| Cooling | 5 | 481.7 PFlop/s |
| Operating system | 5 | 1.36 TFlop/s |
Appearances
| System | Supplied as | Shipped under | Rmax | Rank |
|---|---|---|---|---|
| ABCI-Q Japan · 2025-06 | Integrator | Fujitsu | 74.58 PFlop/s | #38 June 2026 → |
| Genkai Japan · 2024-10 | Integrator | Fujitsu | 6.22 PFlop/s | #238 November 2025 → |
| HOKUSAI BigWaterfall 2 Japan · 2023-12-04 | Integrator | Fujitsu | - | unranked |
| Deucalion Portugal · 2023-09 | Integrator, CPU | Fujitsu | 3.96 PFlop/s | #219 June 2024 → |
| JMA PRIMEHPC FX1000 Japan · 2023-03 | Integrator, CPU, Interconnect | Fujitsu | 13.37 PFlop/s | #51 June 2023 → |
| CWA FX1000 Taiwan · 2023 | Integrator, CPU, Interconnect | Fujitsu | 11.16 PFlop/s | #68 November 2023 → |
| DelftBlue Netherlands · 2022-06 | Integrator | Fujitsu | - | unranked |
| Wisteria/BDEC-01 Japan · 2021-05 | Integrator, CPU, Interconnect | Fujitsu | 22.12 PFlop/s | #99 June 2026 → |
| ABCI 2.0 Japan · 2021 | Integrator | Fujitsu | 22.21 PFlop/s | #12 June 2021 → |
| TOKI-SORA Japan · 2020-11 | Integrator, CPU, Interconnect | Fujitsu | 16.59 PFlop/s | #19 November 2020 → |
| Flow Japan · 2020-07 | Integrator, CPU, Interconnect | Fujitsu | 6.62 PFlop/s | #36 June 2020 → |
| Fugaku Japan · 2020-06 | Cooling, CPU, Integrator, Interconnect, Storage | Fujitsu | 442.0 PFlop/s | #54 November 2023 → |
| Gadi Australia · 2020 | Integrator, Cooling | Fujitsu | 9.26 PFlop/s | #24 June 2020 → |
| Oakbridge-CX Japan · 2019 | Integrator | Fujitsu | 4.29 PFlop/s | #45 June 2019 → |
| A64FX Prototype Japan · 2019 | Integrator, CPU, Interconnect | Fujitsu | 2.00 PFlop/s | #6 November 2020 → |
| Grand Chariot Japan · 2018-12 | Integrator | Fujitsu | 2.00 PFlop/s | #95 November 2018 → |
| ABCI Japan · 2018-08 | Cooling, Integrator | Fujitsu | 19.88 PFlop/s | #7 November 2018 → |
| AFI-NITY Japan · 2018-08 | Integrator | Fujitsu | 1.69 PFlop/s | #126 November 2018 → |
| Taiwania Taiwan · 2018-05 | Integrator | Fujitsu | 1.33 PFlop/s | #148 June 2018 → |
| ITO Subsystem A Japan · 2018 | Integrator | Fujitsu | 4.54 PFlop/s | #45 November 2019 → |
| HOKUSAI BigWaterfall Japan · 2017 | Integrator | Fujitsu | 1.60 PFlop/s | #83 November 2017 → |
| RAIDEN Japan · 2017 | Integrator | Fujitsu | 1.21 PFlop/s | #171 June 2018 → |
| Oakforest-PACS Japan · 2016-10 | Integrator | Fujitsu | 13.55 PFlop/s | #6 November 2016 → |
| ASPIRE 1 Singapore · 2016 | Integrator | Fujitsu | 1.01 PFlop/s | #94 June 2016 → |
| QPACE3 Germany · 2016 | Integrator | Fujitsu | 447.09 TFlop/s | #376 November 2016 → |
| Aziz Saudi Arabia · 2015-06 | Integrator | Fujitsu | 211.30 TFlop/s | #360 June 2015 → |
| HOKUSAI GreatWave Japan · 2015-04 | Integrator, CPU, Interconnect, Storage | Fujitsu | 990.00 TFlop/s | #70 June 2015 → |
| Nagoya FX100 Japan · 2015 | Integrator, CPU, Interconnect | Fujitsu | 2.91 PFlop/s | #22 November 2015 → |
| Plasma Simulator FX100 Japan · 2015 | Integrator, CPU, Interconnect | Fujitsu | 2.38 PFlop/s | #49 November 2016 → |
| SORA-MA Japan · 2015 | Integrator, CPU, Interconnect | Fujitsu | 3.16 PFlop/s | #24 June 2016 → |
| QUARTETTO Japan · 2013-12-27 | Integrator | Fujitsu | 1.02 PFlop/s | #37 November 2013 → |
| TEIDE-HPC Spain · 2013-11 | Integrator | Fujitsu | 273.97 TFlop/s | #169 June 2014 → |
| Raijin (NCI) Australia · 2012-11 | Integrator | Fujitsu | 978.60 TFlop/s | #24 November 2012 → |
| Oakleaf-FX Japan · 2012-04 | Integrator, CPU, Interconnect | Fujitsu | 1.04 PFlop/s | #18 June 2012 → |
| Kyushu FX10 Japan · 2012 | Integrator, CPU, Interconnect, Storage | Fujitsu | 166.70 TFlop/s | #106 June 2012 → |
| K computer Japan · 2011-06 | Cooling, CPU, Integrator, Interconnect, Storage | Fujitsu | 10.51 PFlop/s | #1 November 2011 → |
| JAEA PRIMERGY BX900 Japan · 2010-03-01 | Integrator, Storage | Fujitsu | 191.40 TFlop/s | #22 June 2010 → |
| Fuji (A*STAR) Singapore · 2010 | Integrator | Fujitsu | 32.54 TFlop/s | #261 June 2010 → |
| RICC Japan · 2009-08 | Integrator | Fujitsu | 97.94 TFlop/s | #47 November 2009 → |
| JSS FX1 Japan · 2009-04 | Integrator, CPU | Fujitsu | 110.60 TFlop/s | #60 November 2010 → |
| Nagoya FX1 Japan · 2009 | Integrator, CPU | Fujitsu | 28.51 TFlop/s | #243 November 2009 → |
| T2K Kyodai Japan · 2008-06 | Integrator, Storage | Fujitsu | 50.51 TFlop/s | #35 June 2008 → |
| PACS-CS Japan · 2006-07-01 | Interconnect | Fujitsu | 10.35 TFlop/s | #34 June 2006 → |
| RSCC Japan · 2004 | Integrator | Fujitsu | 8.73 TFlop/s | #7 June 2004 → |
| ECMWF VPP5000/100 United Kingdom · 2000 | CPU, Interconnect, Operating system, Integrator | Fujitsu | 886.0 GFlop/s | #12 November 2000 → |
| Kyushu VPP700/56 Japan · 1997-01-07 | Integrator, CPU, Interconnect, Operating system | Fujitsu | 110.0 GFlop/s | #9 November 1996 → |
| ECMWF VPP700/116 United Kingdom · 1996-09 | Integrator, Interconnect, Operating system | Fujitsu | 213.0 GFlop/s | #8 November 1997 → |
| ANU Fujitsu VPP300 Australia · 1996 | Integrator, CPU, Interconnect, Operating system | Fujitsu | 27.7 GFlop/s | #59 November 1996 → |
| KEK VPP500/80 Japan · 1995-01 | CPU, Interconnect, Integrator | Fujitsu | 98.9 GFlop/s | #5 June 1995 → |
| Numerical Wind Tunnel Japan · 1993-01 | CPU, Interconnect, Integrator, Cooling, Operating system | Fujitsu | 124.0 GFlop/s | #1 November 1995 → |
| Grand Chariot 2 Japan · | Integrator | Fujitsu | 4.38 PFlop/s | #294 November 2025 → |
| FugakuNEXT Japan · | Integrator, CPU | Fujitsu | - | unranked |
| Ookami USA · | CPU | Fujitsu | - | unranked |
| MareNostrum 5 AI Spain · | Integrator | Fsas Technologies | - | unranked |
Parts supplied
| Part | Category | Generation | Released |
|---|---|---|---|
| Fujitsu A64FX | CPUs | Armv8.2-A SVE | 2019 |
| Fujitsu Tofu Interconnect D | Interconnect | Tofu D | 2019 |
| Fujitsu FEFS | Storage | FEFS | 2011 |
| Fujitsu SPARC64 IXfx | CPUs | SPARC64 | 2011 |
| Fujitsu SPARC64 VIIIfx | CPUs | SPARC64 | 2010 |
| Fujitsu Tofu Interconnect | Interconnect | Tofu | 2010 |
| Fujitsu VPP500 vector processing element | CPUs | VPP500 | 1993 |
| Fujitsu VPP500 crossbar | Interconnect | VPP500 | 1993 |
| Fujitsu UXP | Operating systems | UXP | 1993 |
Quantum computers operated
- Fujitsu 1,000-Qubit System (Superconducting, planned, 1,000 qubits)
Sites operated
| Site | Location | Cooling | Commissioned |
|---|---|---|---|
| Fujitsu Numazu Plant | Numazu, Japan | - | 2019 |
Related news
- Fugaku takes the top position with no accelerators · RIKEN Center for Computational Science158,976 A64FX nodes, on-package HBM, and the Tofu fabric integrated onto the processor die. The shortest bill of materials of any modern leadership system.
Further reading
Power and cooling
Why air ran out at 20 kW a rack, how warm-water cooling removes the chillers, and what PUE conceals.
Operating a supercomputer
Acceptance testing, why "installed" and "in production" are six months apart, and the machine lifecycle.
Inside a node
Latency-optimised versus throughput-optimised processors, NUMA, and the end of the host-to-device copy.