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TOP500, Green500: Signs of Change Revealed

Dec 1, 2014 |

Faced with several iterations of seemingly stagnant TOP500 releases, there may be some more insight to glean yet thanks to an Exascalar analysis, undertaken by Intel’s Director of Power Technology Execution Winston Saunders. According to Saunders, “Exascalar is one of the best ways to visualize changes in the Green500 and Top500 lists since it compares both Read more…

TOP500 Stunt Machine Heads to Vegas

Sep 18, 2014 |

Remember “Cherry Creek,” the Intel-designed supercomputer that ran for the duration of SC13 Supercomputing Conference? This “demonstration” system achieved a 400 ranking on that November’s TOP500 list based on a Linpack performance of 131.5 teraflops and a 41st ranking on the subsequent Green500. Intel built the supercomputer in partnership with Supermicro and Bright Computing as Read more…

A Slice of Green with Accelerators On Top

Jul 1, 2014 |

On the heels of a successful ISC14 in Leipzig, Germany, last week, the latest Green500 list was just published, and once again the TSUBAME-KFC is the world’s greenest supercomputer with an energy efficiency of 4.4 gigaflops per watt. This system from Tokyo Institute of Technology broke the 4.0 gigaflops per watt mark last November, and it’s still Read more…

Air-Cooled Supercomputer Is Among World’s Greenest

Dec 9, 2013 |

Unlike this November’s TOP500 list, which had very little churn in the top 10 (only one new system, Piz Daint, squeezed into the elite club) the most recent Green500 list’s upper echelon was filled with nothing but newcomers. While most are liquid-cooled, taking second place is an energy-efficient air-cooled supercomputer from the University of Cambridge, Read more…

NVIDIA Kepler Parts Top Green500

Nov 22, 2013 |

Twice a year, in step with the biannual TOP500 list, the Green500 list ranks the most powerful systems in the world based on energy-efficiency. Published Wednesday evening at SC13, this year’s Green500 list continues a trend from previous years, the rise of heterogenous supercomputing. The latest list shows that the top 10 greenest systems are Read more…

NVIDIA Scores Green Victory with Italian Supercomputer

Feb 5, 2013 |

<img style=”float: left;” src=”http://media2.hpcwire.com/hpcwire/NVIDIA_Tesla_K20X_K20_GPU_2.jpg” alt=”” width=”94″ height=”91″ />Last week, Eurotech and NVIDIA announced they had created the most energy-efficient supercomputer in the world, besting the most recent Green500 winner by a margin of 26 percent. NVIDIA credits its new GPU accelerators, along with Eurotech’s on-board hot-water cooling system. But Intel has something called the Xeon Phi.

The HPC Triple Crown

Nov 28, 2012 |

<img style=”float: left;” src=”http://media2.hpcwire.com/hpcwire/hat_trick_500.bmp” alt=”” width=”99″ height=”58″ />The semi-annual HPC “500 list” time and its attendant fall iron horse racing season are upon us. Thanks to the hard work of the list keepers, we currently enjoy three major ones to review, compare and contrast: TOP500, Green500 and Graph 500. Each focuses on a distinct aspect of HPC – number crunching, energy efficiency, and data crunching, respectively – and together they allow us to construct our own type of Triple Crown.

Green500 Turns Blue

Jul 5, 2012 |

<img style=”float: left;” src=”http://media2.hpcwire.com/hpcwire/Blue_Gene_Q_rack_blue.jpg” alt=”” width=”82″ height=”103″ />The latest Green500 rankings were announced last week, revealing that top performance and power efficiency can indeed go hand in hand. According to the latest list, the greenest machines, in fact the top 20 systems, were all IBM Blue Gene/Q supercomputers. Blue Gene/Q, of course, is the platform that captured the number one spot on the latest TOP500 list, and is represented by four of the ten fastest supercomputers in the world.

HPC Lists We’d Like to See

Jun 15, 2012 |

<img style=”float: left;” src=”http://media2.hpcwire.com/hpcwire/generic_lists.bmp” alt=”” width=”85″ height=”72″ />Since the release of the first TOP500 list in June of 1993, the HPC community has been motivated by the competition to place high on that list. We’re now approaching the twentieth anniversary of the TOP500. In recent years, two additional lists have gained traction: the Green500 and the Graph 500. Would a few more lists be useful?

Number Crunching, Data Crunching and Energy Efficiency: the HPC Hat Trick

Feb 2, 2012 |

<img style=”float: left;” src=”http://media2.hpcwire.com/hpcwire/hat_trick_500.bmp” alt=”” width=”88″ height=”48″ />In the world of high performance computing, there are three distinct metrics in play: number crunching speed, data crunching speed, and energy efficiency. Can a computer excel at all three, or is our best recourse to try for something less than a hat trick?

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