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All Linux, all the time: Supercomputers Top 500

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Starting at the top, two IBM-built supercomputers, Summit and Sierra, at the Department of Energy's Oak Ridge National Laboratory (ORNL) in Tennessee and Lawrence Livermore National Laboratory in California, respectively to the bottom -- a Lenovo Xeon-powered box in China -- all of them run Linux.

Linux supports more hardware architectures than any other operating system. In supercomputers, it supports both clusters, such as Summit and Sierra, the most common architecture, and Massively Parallel Processing (MPP), which is used by the number three computer Sunway TaihuLight.

When it comes to high-performance computing (HPC), Intel dominates the TOP500 by providing processing power to 95.6% of all systems included on the list. That said, IBM's POWER powers the fastest supercomputers. One supercomputer works its high-speed magic with Arm processors: Sandia Labs' Astra, an HPE design, which uses over 130-thousand Cavium ThunderX2 cores.

And, what do all these processors run? Linux, of course.
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133 systems of the Top 500 supercomputers are using either accelerator or co-processor setups. Of these most are using Nvidia GPUs. And, once more, it's Linux conducting the hardware in a symphony of speed.

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Authored by Vanshika Malhotra as well

  • Linux Powers All Of The World’s Top 500 Supercomputers

    OP500’s 53rd edition has been released and this time what lies common in all the top 500 supercomputers is Linux. The supercomputers on the list are Linux-based and capable of delivering a petaflop performance and even more.

    The top 10 on the list include Summit and Sierra supercomputers in first and second positions, respectively. Both supercomputers have been developed by the US Department of Energy (DOE) and were the top two supercomputers even in the 52nd edition of the list in November last year.

By Abhishek Prakash of It's FOSS

  • Linux Runs on All of the Top 500 Supercomputers, Again!

    As per the latest report from Top 500, Linux now runs on all of the fastest 500 supercomputers in the world. The previous number was 498 as remaining two supercomputers ran Unix.

    Top500 is an independent project that was launched in 1993 to benchmark supercomputers. It publishes the details about the top 500 fastest supercomputers known to them, twice a year. You can go the website and filter out the list based on various criteria such as country, OS type, vendors etc.

    Don’t worry. I am going to list some of the most interesting facts from this report. But before let’s discuss why Linux is the preferred choice of an operating system for supercomputers.

Top 500 Supercomputers of the World are Linux-Based

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