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posted by mrpg on Monday June 25 2018, @11:09PM   Printer-friendly
from the 6502 dept.

The U.S. leads the June 2018 TOP500 list with a 122.3 petaflops system:

The TOP500 celebrates its 25th anniversary with a major shakeup at the top of the list. For the first time since November 2012, the US claims the most powerful supercomputer in the world, leading a significant turnover in which four of the five top systems were either new or substantially upgraded.

Summit, an IBM-built supercomputer now running at the Department of Energy's (DOE) Oak Ridge National Laboratory (ORNL), captured the number one spot with a performance of 122.3 petaflops on High Performance Linpack (HPL), the benchmark used to rank the TOP500 list. Summit has 4,356 nodes, each one equipped with two 22-core Power9 CPUs, and six NVIDIA Tesla V100 GPUs. The nodes are linked together with a Mellanox dual-rail EDR InfiniBand network.

[...] Sierra, a new system at the DOE's Lawrence Livermore National Laboratory took the number three spot, delivering 71.6 petaflops on HPL. Built by IBM, Sierra's architecture is quite similar to that of Summit, with each of its 4,320 nodes powered by two Power9 CPUs plus four NVIDIA Tesla V100 GPUs and using the same Mellanox EDR InfiniBand as the system interconnect.

The #100 system has an Rmax of 1.703 petaflops, up from 1.283 petaflops in November. The #500 system has an Rmax of 715.6 teraflops, up from 548.7 teraflops in June.

273 systems have a performance of at least 1 petaflops, up from 181 systems. The combined performance of the top 500 systems is 1.22 exaflops, up from 845 petaflops.

On the Green500 list, Shoubu system B's efficiency has been adjusted to 18.404 gigaflops per Watt from 17.009 GFLOPS/W. The Summit supercomputer, #1 on TOP500, debuts at #5 on the Green500 with 13.889 GFLOPS/W. Japan's AI Bridging Cloud Infrastructure (ABCI) supercomputer, #5 on TOP500 (19.88 petaflops Rmax), is #8 on the Green500 with 12.054 GFLOPS/W.

Previously: TOP500 List #50 and Green500 List #21: November 2017


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  • (Score: 4, Interesting) by martyb on Tuesday June 26 2018, @11:18AM (1 child)

    by martyb (76) Subscriber Badge on Tuesday June 26 2018, @11:18AM (#698691) Journal

    My point: combined 'flopping power' seems a meaningless metric.

    Well, not entirely meaningless...

    Let's look at the TOP500 list for 1993 [top500.org] which was the first time the list was published.

    According to my calculations, the sum of the "Rpeak" for all systems on the list in June of 1993 came to: 1798.1 (GFlop/s).

    tl;dr: If you gathered every single one of the 500 fastest computers on planet Earth in 1993 and put them all in one place, and somehow found a way to make them all work together, you would have a combined *peak* performance of ~1.8 teraflops... OR... you could just buy a *single* graphics *card* today.

    Though effective useless in an analytical sense, I find it quite effectively gives me a subjective sense of the amazing march of computer processing power over the past quarter century.

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  • (Score: 2) by c0lo on Tuesday June 26 2018, @11:40AM

    by c0lo (156) Subscriber Badge on Tuesday June 26 2018, @11:40AM (#698696) Journal

    Thanks, the angle is interesting.

    tl;dr: If you gathered every single one of the 500 fastest computers on planet Earth in 1993 and put them all in one place, and somehow found a way to make them all work together,...

    See, they tried to do it 1 year later with the Beowulf cluster [wikipedia.org]... and inadvertently triggered the creation of the green site, the meme absolutely needed a place to come into existence.

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