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ned url switch to legacy parser print export download as pdf printable version in other projects wikimedia commons wikidata item appearance move to sidebar hide from wikipedia the free encyclopedia japanese supercomputer for other uses see fugaku 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 1 cloud storage services l3 speed 442 p flops per top500 rmax after upgrade higher 2 0 e flops on a different mixed precision benchmark cost us 1 billion total programme cost 2 3 ranking top500 7 june 2025 purpose scientific research legacy top500 1 june 2020 june 2022 website www r ccs riken jp en fugaku sources fugaku system configuration primehpc fx1000 fugaku node at sc 19 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1 42 exaflops using the mixed fp16 fp64 precision hpl ai benchmark it started regular operations in 2021 8 fugaku was superseded as the fastest supercomputer in the world by frontier in may 2022 9 hardware edit the supercomputer is built with the fujitsu a64fx microprocessor this cpu is based on the arm version 8 2a processor architecture and adopts the scalable vector extensions for supercomputers 10 fugaku was aimed to be about 100 times more powerful than the k computer i e a performance target of 1 exaflops 11 12 the initial june 2020 configuration of fugaku used 158 976 a64fx cpus joined using fujitsu s proprietary torus fusion interconnect 7 an upgrade in november 2020 increased the number of processors 13 software edit fugaku uses a light weight multi kernel operating system named ihk mckernel the operating system uses both linux and the mckernel light weight kernel operating simultaneously and side by side the infrastructure that both kernels run on is termed the interface for heterogeneous kernels ihk the high performance simulations are run on mckernel with linux available for all other posix compatible services 14 15 16 fugaku uses a three tiered storage system to provide parallel storage to the compute nodes the first level llio storage is an nvm based file i o accelerator co developed by fujitsu and riken that is allocated on per job storage basis to the compute nodes for storing temporary data with low latency the llio system stages data in and out of a second level fujitsu exascale file system fefs which uses disk based storage based on lustre software to provide a large persistent high performance filesystem 17 18 and a tape based archive to store a large volume of infrequently accessed data besides the system software the supercomputer has run many kinds of applications including several benchmarks running the mainstream hpl benchmark used by top500 fugaku is at petascale and almost halfway to exascale additionally fugaku has set world records on at least three other benchmarks including hpl ai at 2 0 exaflops the system has exceeded the exascale threshold for the benchmark 19 a description of that benchmark is as follows the solver method of choice is a combination of lu factorization and iterative refinement performed afterwards to bring the solution back to 64 bit accuracy the innovation of hpl ai lies in dropping the requirement of 64 bit computation throughout the entire solution process and instead opting for low precision likely 16 bit accuracy for lu and a sophisticated iteration to recover the accuracy lost in factorization 20 performance edit the reported initial performance of fugaku was a rmax of 416 petaflops in the fp64 high performance linpack benchmark used by the top500 7 after the november 2020 upgrade in the number of processors fugaku s performance increased to a rmax of 442 petaflops 13 in 2020 fugaku also attained top spots in other rankings that test computers on different workloads including graph500 hpl ai and hpcg benchmark no previous supercomputer has ever led all four rankings at once 21 after a hardware upgrade as of november 2020 fugaku increased its performance on the new mixed precision hpc ai benchmark to 2 0 exaflops besting its 1 4 exaflops mark recorded six months ago these represent the first benchmark measurements above one exaflop for any precision on any type of hardware a 42 increase 22 interestingly the arm a64fx core count was only increased by 4 5 to 7 630 848 but the measured performance rose much more on that benchmark and the system does not use other compute capabilities such as gpus and a little more on top500 or by 6 4 to 442 petaflops a new world record 23 and widening the gap to the next computer by that much for the hpcg benchmark it is 5 4 times faster at 16 0 hpcg petaflops than the number two system summit 24 which happens to also be second on top500 as of november 2020 fugaku s performance surpassed the combined performance of the next 4 supercomputers on the top500 list and surpassed the remaining top 10 computers on the hpcg benchmark by a margin of 45 25 by june 2026 fugaku had dropped to 9th place on the top500 list beating the 10th place system alps by 8 petaflops 26 history edit on may 23 2019 riken announced that the supercomputer was to be named fugaku 27 in august 2019 the logo for fugaku was unveiled it depicts mount fuji symbolising fugaku s high performance and the wide range of its users 4 28 in november 2019 the prototype of fugaku won first place in the green500 list 29 30 shipment of the equipment racks to the riken facility began on december 2 2019 31 and was completed on may 13 2020 32 in june 2020 fugaku became the fastest supercomputer in the world in the top500 list displacing the ibm summit 7 fugaku has been used for research on masks related to the covid 19 pandemic 33 34 in may 2024 a japanese research team released fugaku llm a 13 billion parameter large language model with enhanced japanese language capability that was trained on fugaku the project ported megatron deepspeed to fugaku and optimized transformer training on its cpu based architecture 35 cost edit in 2018 nikkei reported the programme would cost 130 billion c us 1 billion 3 8 comparison edit performance and cost comparison chart against computers ranked 1 in top500 name start year end year performance pflops note 1 cost million usd not inflation adjusted top500 ranking cpu gpu vendor cpu os fugaku 2020 442 36 1213 3 note 2 june 2020 to november 2021 1st 36 fujitsu a64fx linux redhat 8 and mckernel summit 2018 148 300 37 june 2018 to november 2019 1st ibm nvidia power9 tesla linux redhat sierra 2018 94 november 2018 to november 2019 2nd sunway taihulight 2016 93 280 38 june 2016 to november 2017 1st nrcpc sunway sw26010 linux raise k 2011 2019 10 1045 39 june 2011 november 2011 1st fujitsu sparc64 viiifx linux this is based on the top500 rmax measurement using the linpack benchmark at fp64 precision this is the total programme cost involving the creation of the technologies rather than just for the machine see also edit arm supercomputers aurora supercomputer frontier supercomputer list of fastest computers summit supercomputer top500 references edit post k fugaku information fujitsu archived from the original on 2020 06 08 retrieved 2020 06 23 clark don 22 june 2020 japanese supercomputer is crowned world s speediest the new york times archived from the original on 19 july 2020 retrieved 26 june 2020 1 2 3 takei tomohisa 14 september 2018 お値段1300億円のポスト 京 it業界は今度こそ生かせるか 日経クロステック xtech in japanese nikkei archived from the original on 9 july 2020 retrieved 28 june 2020 1 2 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 archived from the original on 2018 04 10 retrieved 2019 05 25 supercomputer fugaku named after mt fuji makes its debut the asahi shimbun 2020 06 16 archived from the original on 2020 07 13 retrieved 2020 06 23 japan s fugaku gains title as world s fastest supercomputer press release www riken jp archived from the original on 2021 01 22 retrieved 2020 12 07 1 2 3 4 cutress dr ian 22 june 2020 new 1 supercomputer fujitsu s fugaku and a64fx take arm to the top with 415 petaflops www anandtech com retrieved 22 june 2020 dead link 1 2 tsukimori osamu 7 january 2021 japan s fugaku supercomputer is tackling some of the world s biggest problems the japan times archived from the original on 27 january 2021 retrieved 26 january 2021 ornl s frontier first to break the exaflop ceiling top500 30 may 2022 archived from the original on 2022 06 02 retrieved 2022 05 30 ポスト 京 のcpuの仕様を公表 in japanese 富士通 2018 08 22 archived from the original on 2020 09 22 retrieved 2019 05 25 スパコン 京 後継機は 富岳 計算性能100倍 21年稼働 毎日新聞 in japanese 2019 05 23 archived from the original on 2020 09 03 retrieved 2019 05 30 fugaku remakes exascale computing in its own image 2019 12 09 archived from the original on 2020 06 22 retrieved 2020 06 22 1 2 november 2020 summary top500 www top500 org archived from the original on 11 may 2021 retrieved 7 december 2020 outline of the development of the supercomputer fugaku riken center for computational science archived from the original on 2021 01 23 retrieved 2020 06 23 mckernel riken archived from the original on 2020 06 23 retrieved 2020 06 23 mckernel on github supercomputer fugaku pdf fujitsu archived pdf from the original on 2023 08 10 retrieved 2024 03 11 fugaku codesign report pdf riken center for computational science archived pdf from the original on 2024 03 11 retrieved 2024 03 11 fugaku retains title as world s fastest supercomputer hpc wire 17 november 2020 archived from the original on 17 november 2020 retrieved 27 november 2020 hpl ai mixed precision benchmark hpl ai 0 0 2 documentation icl bitbucket io retrieved 2020 11 18 byford sam 2020 06 23 arm based japanese supercomputer is now the fastest in the world the verge archived from the original on 2020 06 23 retrieved 2020 06 23 november 2020 top500 www top500 org archived from the original on 2021 05 11 retrieved 2020 11 18 supercomputer fugaku supercomputer fugaku a64fx 48c 2 2ghz tofu interconnect d top500 www top500 org archived from the original on 2022 01 28 retrieved 2020 11 18 hpcg november 2020 top500 www top500 org archived from the original on 2021 05 06 retrieved 2020 11 18 hpcg november 2020 top500 www top500 org archived from the original on 2021 05 06 retrieved 2020 12 01 june 2026 top500 www top500 org retrieved 2026 09 04 ポスト 京 の名称 富岳 ふがく に決定 in japanese 理化学研究所 2019 05 23 archived from the original on 2019 09 21 retrieved 2019 05 25 r ccs announced the fugaku logo riken center for computational science riken website www r ccs riken jp riken center for computational science archived from the original on 25 june 2020 retrieved 23 june 2020 november 2019 top500 org archived from the original on 2019 11 18 retrieved 2019 11 20 fugaku prototype named greenest supercomputer riken 2019 11 18 archived from the original on 2020 06 27 retrieved 2019 11 20 fujitsu begins shipping supercomputer fugaku fujitsu 2019 12 02 archived from the original on 2020 06 19 retrieved 2020 06 23 delivery of the supercomputer fugaku has been completed riken center for computational science 2020 05 13 archived from the original on 2020 06 21 retrieved 2020 06 23 mccurry justin 26 august 2020 non woven masks better to stop covid 19 says japanese supercomputer the guardian archived from the original on 22 september 2020 retrieved 22 september 2020 mccurry justin 22 september 2020 face shields ineffective at trapping aerosols says japanese supercomputer the guardian archived from the original on 22 september 2020 retrieved 22 september 2020 release of fugaku llm a large language model trained on the supercomputer fugaku fujitsu 10 may 2024 retrieved 20 april 2026 1 2 top500 november 2021 top500 june 2021 archived from the original on 2021 11 16 retrieved 2021 11 16 shankland stephen 2018 06 26 スパコン top500 ibm製 summit で米が中国を抜き首位に返り咲き in japanese zdnet japan archived from the original on 2023 04 13 retrieved 2020 10 28 伊本貴士 2020 06 24 頂上極めた 富岳 の次の挑戦 日本が強い分野の開発に生かせるか in japanese 日経クロステック archived from the original on 2023 05 22 retrieved 2020 10 28 田中誠士 2019 08 05 ２位じゃダメ のスパコン京 見納め ６年超す長寿で in japanese 朝日新聞デジタル archived from the original on 2023 04 17 retrieved 2020 10 28 external links edit official website in english satoshi matsuoka supercomputing for everyone siag_sc 28th june 2022 lecture about fugaku for general audience fugaku virtual tour records preceded by ibm summit 148 6 petaflops world s most powerful supercomputer june 2020 may 2022 0 54 exaflops succeeded by hpe frontier 1 1 exaflops v t e fujitsu divisions and subsidiaries current amdahl corporation fujitsu computer products of america fujitsu consulting fujitsu consulting india fujitsu laboratories fujitsu technology solutions glovia services former and defunct fanuc 4 fujitsu semiconductor ja 1 hal computer systems 1 international computers limited 1 nantong fujitsu microelectronics 3 nifty 3 ross technology 1 joint ventures and shareholdings current denso ten 14 fdk 18 fujitsu client computing ja 44 general airconditioners shinko electric industries ja 50 transys 20 former and defunct fujitsu siemens computers 2 pfu 3 spansion 3 socionext 4 products services and standards current alis bcesis bs2000 enon global cloud platform hoap macroscope openft sesam vm2000 processors a64fx fr fr v sparc64 x sparc64 xifx supercomputers and servers fugaku k computer primergy primequest ja business computers celsius lifebook defunct corporate headquarters office technology system dc osx eagle flepia fm towns fm towns marty fm towns games fm 7 fm 8 fm 11 ipad micro 16s pocket loox sinix sparc enterprise sparc64 turbosparc vp vp2000 people david courtley toshio ikeda naoki yokoyama takahito tokita ja places shiodome city center other atlas consortium fujitsu s application fujitsu cup fujitsu ladies furukawa group kawasaki frontale fujitsu frontiers fujitsu red wave 1 now integrated into other fujitsu divisions or business groupings 2 now wholly owned 3 sold 4 spun off category commons retrieved from https en wikipedia org w index php title fugaku_ supercomputer oldid 1373731812 categories 2020 in science exascale computers fujitsu supercomputers petascale computers riken 64 bit computers computer related introductions in 2020 hidden categories articles with short description short description matches wikidata articles containing japanese language text cs1 japanese language sources ja pages with non numeric formatnum arguments all articles with dead external links a...