Compute·Atlas

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
2
Aggregate Rmax
452.5 PFlop/s
systems it appears in
Aggregate power
42.56 MW
where disclosed
First appearance
2011-06
Most recent
2020-06
Concentration
98%
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

RoleSystemsRmax in those systems
Integrator 2 452.5 PFlop/s
CPU 2 452.5 PFlop/s
Interconnect 2 452.5 PFlop/s
Cooling 1 442.0 PFlop/s

Appearances

SystemSupplied asShipped underRmaxRank
Fugaku
Japan · 2020-06
CPU, Interconnect, Integrator, Cooling Fujitsu 442.0 PFlop/s #1 June 2020 →
K computer
Japan · 2011-06
CPU, Interconnect, Integrator Fujitsu 10.51 PFlop/s #1 June 2011 →

Parts supplied

PartCategoryGenerationReleased
Fujitsu A64FX CPUs Armv8.2-A SVE 2019
Fujitsu Tofu Interconnect D Interconnect Tofu D 2019
Fujitsu SPARC64 VIIIfx CPUs SPARC64 2010
Fujitsu Tofu Interconnect Interconnect Tofu 2010