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posted by CoolHand on Sunday August 02 2015, @01:20PM   Printer-friendly
from the binary-tree-hugging dept.

The June 2015 edition of the Green500 supercomputer list is finally out, and the top system, Shoubu at the Institute of Physical and Chemical Research (RIKEN) in Japan, has surpassed the 7 gigaflops per watt milestone. The following two systems surpassed 6 GFLOPS/W, and the current #4 system led the November 2014 list at 5.272 GFLOPS/W.

Shoubu is ranked #160 on the June 2015 edition of the TOP500 list, with an RMAX of 412.7 teraflops. Green500 reports its efficiency at 7,031.58 MFLOPS/W with a power consumption of 50.32 kW. The supercomputer uses Intel Xeon E5-2618Lv3 Haswell CPUs, "new many-core accelerators from PEZY-SC," and the InfiniBand data interconnect. The top 32 systems on the new Green500 list are heterogeneous, using GPU and "many-core" accelerators from the likes of AMD, Intel, NVIDIA, and PEZY Computing. The PEZY-SC accelerator used in the top 3 systems reportedly delivers 1.5 teraflops of double-precision floating-point performance using 1024 cores built on a 28nm process, while consuming just 90 W.

Green500 notes Japanese dominance in the supercomputer efficiency rankings. Aside from Shoubu at RIKEN, the #2 and #3 systems are located at the High Energy Accelerator Research Organization (KEK) in Tsukuba, Ibaraki, Japan. Eight of the top twenty systems on the newest Green500 list are located in Japan.


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  • (Score: 3, Informative) by opinionated_science on Sunday August 02 2015, @07:39PM

    by opinionated_science (4031) on Sunday August 02 2015, @07:39PM (#217079)

    with respect, there is much *more* useful physics, chemistry, biology, biochemisty etc... .with the computational sciences. The scaling to supercomputer scale, permits the solving of untypical problems, but sometimes you need to go fishing in the "out there" regions to find interesting stuff.

    I am a regular supercomputer user and I can assure you that getting a result in 1 week rather than 1 year, makes huge difference - so long as you are solving a problem you need!!!

    I also use my pencil and paper to do much of the foundational maths...

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