Tags: supercomputer

HPC Advances with Perlmutter and Sierra Supercomputers

There is a lot of activity and investment in the U.S supercomputer space now. After years of falling behind China for supercomputer superiority, the U.S is now storming back. On Oct. 26, the Department of Energy’s National Nuclear Security Administration (NNSA) Lawrence Livermore National...
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IO500 List Showcases World’s Fastest Storage Systems for HPC

In this video from ISC 2018, John Bent and Jay Lofstead describe how the IO500 benchmark measures storage performance in HPC environments. The second IO500 list was revealed at ISC 2018 in Frankfurt, Germany. Following the success of the Top500 in collecting and analyzing historical trends in...
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Supercomputers: All Linux, All the Time

The latest TOP500 Supercomputer list is out. What's not surprising is that Linux runs on every last one of the world's fastest supercomputers. What is surprising is that GPUs, not CPUs, now power most of supercomputers' speed. Once more, if you want to run the fastest possible computer, the June...
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Security and Performance Help Mainframes Stand the Test of Time

As of last year, the Linux operating system was running 90 percent of public cloud workloads; has 62 percent of the embedded market share and runs all of the supercomputers in the TOP500 list, according to The Linux Foundation Open Mainframe Project’s 2018 State of the Open Mainframe Survey report...
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Five Supercomputers That Aren't Supercomputers

A supercomputer, of course, isn't really a "computer." It's not one giant processor sitting atop an even larger motherboard. Instead, it's a network of thousands of computers tied together to form a single whole, dedicated to a singular set of tasks. They tend to be really fast, but according to...
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Red Hat Reaches the Summit – A New Top Scientific Supercomputer

Red Hat just announced its role in bringing a top scientific supercomputer into service in the U.S. Named “Summit” and housed at the Department of Energy’s OAK Ridge National Labs, this system with its 4,608 IBM compute servers is running — you guessed it — Red Hat Enterprise Linux. The Summit...
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The US Again Has World's Most Powerful Supercomputer

PLENTY OF PEOPLE around the world got new gadgets Friday, but one in Eastern Tennessee stands out. Summit, a new supercomputer unveiled at Oak Ridge National Lab is, unofficially for now, the most powerful calculating machine on the planet. It was designed in part to scale up the artificial...
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Supercomputing under a New Lens: A Sandia-Developed Benchmark Re-ranks Top Computers

A Sandia National Laboratories software program now installed as an additional test for the widely observed TOP500 supercomputer challenge has become increasingly prominent. The program’s full name — High Performance Conjugate Gradients, or HPCG — doesn’t come trippingly to the tongue, but word is...
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Fluid HPC: How Extreme-Scale Computing Should Respond to Meltdown and Spectre

The Meltdown and Spectre vulnerabilities are proving difficult to fix, and initial experiments suggest security patches will cause significant performance penalties to HPC applications. Even as these patches are rolled out to current HPC platforms, it might be helpful to explore how future HPC...
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China Pulls Ahead of U.S. in Latest TOP500 List

The fiftieth TOP500 list of the fastest supercomputers in the world has China overtaking the US in the total number of ranked systems by a margin of 202 to 143. It is the largest number of supercomputers China has ever claimed on the TOP500 ranking, with the US presence shrinking to its lowest...
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