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Arm-powered Fugaku takes fastest supercomputer crown

by Mark Tyson on 23 June 2020, 10:10

Tags: Fujitsu (TYO:6702), ARM

Quick Link: HEXUS.net/qaemi7

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At the ISC (International Supercomputing Conference) High Performance 2020 Digital event, Fujitsu announced that the Fugaku supercomputer has achieved the #1 position in the Top500 list. Fugaku is a supercomputer that was developed by Fujitsu Limited, researchers from RIKEN, Kyushu University, and Fixstars Corporation.

Performance

Fugaku easily beats the now second-place Summit supercomputer system. For example its Linpack (HPL) result of 415.5 petaflops is 2.8x faster than the IBM-built Summit can achieve. Another supercomputer ranking, the Graph 500, which rates systems based on data-intensive loads has lifted Fugaku to pole position, and it gained first place in the HPCG AI-based performance tables (4.6x faster than second placed competitor). "This is the first time in history that the same supercomputer has become No.1 on Top500, HPCG, and Graph500 simultaneously," boasts Fujitsu.

Interestingly, in machine learning and AI applications, Fugaku's peak performance is over 1,000 petaflops (1 exaflops). This is another world first for a supercomputer in the HPL benchmarks.

Architecture

As per our headline, the Fugaku supercomputer is built using Arm-architecture processors, specifically A64FX CPUs with Arm's HPC extension dubbed SVE. An arithmetic unit (512-bit SIMD) is included for FP16 AI acceleration. Fugaku has 150k nodes, is water cooled, utilises Tofu interconnect D, and HBM2 memory, running Fujitsu/RIKEN original software.

Comparing Fugaku to second place Summit: the former uses Arm architecture SoCs, a total of 7.3m cores and consumers 28MW of power; Summit utilises IBM Power9 CPUs paired with Nvidia GV100 accelerators, for a total of 2.4m cores, consuming 10MW.

Pulling no punches on why it used the A64FX SoC instead of Intel/x86, the chart below shows significant performance scaling gains using Arm.

Japanese scientists have already been leveraging Fugaku for advanced Covid-19 research. Fujitsu reckon this supercomputer can help solve many social, life science, manufacturing and energy issues during its lifetime.



HEXUS Forums :: 6 Comments

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oops Fujitsu *simply* forgot to include Epyc 64 core benchmark
When you include a specifically designed chip to speed up the primary purpose (the FP16 AI add on chip) of the supercomputer it ‘should’ be faster than anything else out there that is using less specialised hardware so it can be more universal in it's usage….
I believe that this post isn't a coincidence that came up just after the previous one
28MW! holy smoke batman, that is some serious energy usage!
sinttesi
28MW! holy smoke batman, that is some serious energy usage!
You clearly have never seen an overclocked Vega 64 in action