Technology China's supercomputers race past US to world dominance

07:06  15 november  2017
07:06  15 november  2017 Source:   CNET

Meet the world's most powerful supercomputers

  Meet the world's most powerful supercomputers This is how these machines work, and why they're important. But while the ranking is a timely who’s who of brawny computers—and right now, China dominates the list, with 202 of the top 500—its publication is also a good time to ask: what makes a supercomputer a supercomputer, and what do they do scientists use them for?

China doesn't just have the single fastest supercomputer in the world . The announcement Monday is a new milestone for Chinese supercomputer development and a further erosion of past U . S . dominance of the field.

China doesn't just have the single fastest supercomputer in the world . It now dominates the list of the 500 fastest.

The steady increase in computing power on the Top500 list of supercomputers tailed off in recent years. This chart shows the performance of all 500 machines as the orange triangle points, the single fastest as the brown triangle and the 500th on the list as the yellow square. For example, today's slowest machine has the performance of the fastest one in 2008.© Provided by CNET The steady increase in computing power on the Top500 list of supercomputers tailed off in recent years. This chart shows the performance of all 500 machines as the orange triangle points, the single fastest as the brown triangle and the 500th on the list as the yellow square. For example, today's slowest machine has the performance of the fastest one in 2008. For years, China has claimed the top spot on a list of the 500 fastest supercomputers. Now it dominates the overall list, too, pushing the United States into second place.

For the first time, China has the most systems on the Top500 list, 202, up from 159 six months ago. The US dropped from 169 to 144. And in terms of the total performance of those machines, China also overtook the US, the Top500 supercomputer list organizers said.

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Once again, China dominated a new list of the world ' s fastest supercomputers , not only taking the top two seats, but also pulling ahead of the United States in the sheer number of systems being used.

The news underscores the relentless ascent of China's supercomputing trajectory in recent years. It also marks a notable shift in the international balance of high-end computing power that's closely tied to industrial, academic and military abilities.

a screenshot of a map: A chart showing he steady increase in computing power on the Top500 list of supercomputers.© Provided by CNET A chart showing he steady increase in computing power on the Top500 list of supercomputers.

The steady increase in computing power on the Top500 list of supercomputers tailed off in recent years. This chart shows the performance of all 500 machines as the orange points, the single fastest as the brown triangles and the 500th on the list as the yellow squares. Today's slowest machine has the performance of the fastest one in 2008.

Top500

Supercomputers, mammoth machines that can occupy entire buildings and use thousands of processors, are useful for tasks like simulating nuclear weapons explosions, forecasting weather, designing aircraft and investigating the cosmos by reconstructing billions of year of the universe's history.

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WASHINGTON — Once again, China dominated a new list of the world ’ s fastest supercomputers , not only taking the top two seats, but also pulling ahead of the United States in the sheer number of systems being used.

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At the SC 17 supercomputing show starting Monday in Denver, NASA will show off supercomputing work into precise simulations of climate change on Earth, the aerodynamics of drones that fly using multiple propellers and detailed forecasts of shock-wave damage from meteors.

HP Enterprise is the top maker of supercomputers in late 2017, as measured by the number of machines on the Top500 list of the world's most powerful systems.© Provided by CNET HP Enterprise is the top maker of supercomputers in late 2017, as measured by the number of machines on the Top500 list of the world's most powerful systems.

HP Enterprise is the top maker of supercomputers in late 2017, as measured by the number of machines on the Top500 list of the world's most powerful systems.

Top500

The Top500 list, released twice a year in conjunction with the annual SC conference, is compiled by researchers at Lawrence Berkeley National Laboratory, the University of Tennessee and cloud-computing company Prometeus. It ranks supercomputers by how fast they can perform mathematical calculations on an imperfect but still useful speed test called Linpack. Results are measured in floating-point operations per second, or FLOPS.

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But where in the world do we find these supercomputers ? Where are the fastest ones located? The other two are located in Germany and China . Red Sky. United States . We have written about a few of these supercomputers in the past .

The top two machines both are in China. Sunway TaihuLight, at China's National Supercomputing Center in Wuxi, was clocked at 93.01 petaflops, or 93 quadrillion calculations per second. The No. 2 machine, Tianhe-2 at the National Supercomputer Center in Guangzho, scored 33.86 petaflops. They've held the top two spots for two years.

The United States might reclaim the top spot on the Top500 list, though. An IBM-built machine called Summit at Oak Ridge National Laboratory is designed to reach about 200 petaflops, double the performance of Sunway TaihuLight. It's in a 10,000-square-foot facility that's got a 20-megawatt power system for running the machine and keeping it cool. That's enough electricity to power about 16,300 houses.

For years, supercomputing speeds increased steadily with each new release of the Top500 list. In about 2012, though, progress improvements slowed down a notch, limited by diminishing processor speed improvements.

The Top500 organizers also have begun ranking supercomputers by a newer speed test designed to better reflect the range of computing tasks the machines handle, the High-Performance Conjugate Gradient (HPCG) benchmark. By this measure, Fujitsu's K Computer at the RIKEN Advanced Institute for Computational Science in Japan is the top performer.

Report: Detained UCLA players en route back to U.S. from China .
Three UCLA basketball players - including LiAngelo Ball - detained last week on suspicion of shoplifting in China are set to fly back to the U.S. Tuesday, according to the Wall Street Journal's James T. Arredy. The trio were seen at Shanghai's Pudong International Airport, checking into a Delta flight bound for Los Angeles, per the report. The news came hours after President Donald Trump, on an Asian tour, said he had asked Chinese counterpart Xi Jinping to help resolve the case. ''They're working on it right now,'' Trump said from the Philippines.

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