Tags: high performance

New TOP500 List Led by DOE Supercomputers

The latest TOP500 list of the world’s fastest supercomputers is out, a remarkable ranking that shows five Department of Energy supercomputers in the top 10, with the first two captured by Summit at Oak Ridge and Sierra at Livermore. With the number one and number two systems on the planet, the “...
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Slurm Job Scheduling System

In previous articles, I examined some fundamental tools for HPC systems, including pdsh (parallel shells), Lmod environment modules, and shared storage with NFS and SSHFS. One remaining, virtually indispensable tool is a job scheduler. One of the most critical pieces of software on a shared cluster...
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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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A Pioneering Scientist Explains Deep Learning

Buzzwords like “deep learning” and “neural networks” are everywhere, but so much of the popular understanding is misguided, says Terrence Sejnowski, a computational neuroscientist at the Salk Institute for Biological Studies. Sejnowski, a pioneer in the study of learning algorithms, is the author...
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What is Machine Learning?

This is the first of a series of articles intended to make Machine Learning more approachable to those who do not have a technical training. I hope it is helpful. Advancements in computer technology over the past decades have meant that the collection of electronic data has become more commonplace...
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Julia 1.0 Release Opens the Doors for a Connected World

Today Julia Computing announced the Julia 1.0 programming language release, “the most important Julia milestone since Julia was introduced in February 2012.” As the first complete, reliable, stable and forward-compatible Julia release, version 1.0 is the fastest, simplest and most productive open-...
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Evolutionary Algorithm Outperforms Deep-Learning Machines at Video Games

With all the excitement over neural networks and deep-learning techniques, it’s easy to imagine that the world of computer science consists of little else. Neural networks, after all, have begun to outperform humans in tasks such as object and face recognition and in games such as chess, Go, and...
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pdsh Parallel Shell

For HPC, one of the fundamentals is being able to run a command across a number of nodes in a cluster. A parallel shell is a simple but powerful tool that allows you to do so on designated (or all) nodes in the cluster, so you do not have to log in to each node and run the same command. This single...
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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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Cloud Computing in HPC Surges

According to the two leading analyst firms covering the high performance computing market, the use of the cloud for HPC workloads is looking a lot more attractive to users these days. Intersect360 offered the most upbeat assessment in this regard, noting that cloud spending by HPC customers grew by...
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