Japan's Fugaku supercomputer, built with government backing and used in the fight against coronavirus, is now ranked as the world's fastest, its developers announced Monday.
It
snatched the top spot on the Top500, a site that has tracked the evolution of
computer processing power for more than two decades, said the Riken scientific
research centre.
The list
is produced twice a year and rates supercomputers based on speed in a benchmark
test set by experts from Germany and the US.
Fugaku
was jointly developed by Riken and the firm Fujitsu and has a speed of roughly
415.53 petaflops -- 2.8 times faster than the second-ranked US Summit
supercomputer's 148.6 petaflops.
A
supercomputer is more than 1,000 times faster than a regular computer,
according to Riken.
Summit
had topped the last four rankings over the previous two years.
Fugaku,
meaning Mount Fuji in Japanese, has been under development for six years and is
expected to start full-time operation from April 2021.
But it
is already being put to work on the coronavirus crisis, running simulations on
how droplets would spread on office spaces with partitions installed or packed
trains with windows open.
"I
hope that the leading-edge IT developed for it will contribute to major
advances on difficult social challenges such as COVID-19," Satoshi
Matsuoka, the head of Riken's Center for Computational Science, said in a
statement.
Fugaku
has also topped several other supercomputer performance rankings, becoming the
first to simultaneously sit atop the Graph500, HPCG, and HPL-AI lists.
Supercomputers
are vital tools for advanced scientific work because of their ability to
perform rapid calculations for everything from weather forecasts to missile
development.
A
Riken-developed forerunner to the Fugaku has held the title of world's fastest
supercomputer, but in recent years the race to develop the powerful machines
has been dominated by the US and China.
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