{"583904":{"#nid":"583904","#data":{"type":"news","title":"RIKEN\u2019s K-Computer Continues to Top Graph 500 List of World\u2019s Fastest Supercomputers","body":[{"value":"\u003Cp\u003EThe K-Computer continues to top the \u003Ca href=\u0022http:\/\/www.graph500.org\/results_nov_2016\u0022 target=\u0022_blank\u0022\u003EGraph 500 ranking\u003C\/a\u003E of the world\u0026rsquo;s fastest supercomputers. The latest list was released Nov. 15 in conjunction with the \u003Ca href=\u0022http:\/\/sc16.supercomputing.org\/\u0022\u003EACM\/IEEE Supercomputing 2016\u003C\/a\u003E conference being held this week in Salt Lake City.\u003C\/p\u003E\r\n\r\n\u003Cp\u003EBuilt by Fujitsu and operated by Japanese research institute\u0026nbsp;RIKEN, The \u003Ca href=\u0022https:\/\/en.wikipedia.org\/wiki\/K_computer\u0022\u003EK-Computer\u003C\/a\u003E has dominated the Graph 500 since July 2015. Following the K-Computer is the Sunway TaihuLight, operated by China\u0026#39;s National Supercomputing Center, at No. 2. Ranking third on the new list is\u0026nbsp;\u003Ca href=\u0022https:\/\/asc.llnl.gov\/computing_resources\/sequoia\/\u0022\u003ESequoia\u003C\/a\u003E at Lawrence Livermore in California.\u003C\/p\u003E\r\n\r\n\u003Cp\u003EDeveloped by a small cadre of well-known supercomputing experts, which includes Georgia Tech School of Computational Science and Engineering Chair \u003Cstrong\u003EDavid Bader\u003C\/strong\u003E, the \u003Ca href=\u0022http:\/\/www.graph500.org\/\u0022\u003EGraph 500\u003C\/a\u003E list is updated every six months during major supercomputing conferences. It is recognized as a leading indicator of development and investment into high-performance computing (HPC) worldwide, and often reveals trends regarding which technologies are popular in the machines.\u003C\/p\u003E\r\n\r\n\u003Cp\u003EThe latest list was presented by the Graph 500 executive committee, which includes \u003Cstrong\u003ERichard Murphy\u003C\/strong\u003E, director of Micron\u0026rsquo;s Advanced Computing Solutions Pathfinding and cofounder of the Graph 500; \u003Cstrong\u003EPeter Kogge\u003C\/strong\u003E, Ted H. McCourtney Professor in the Department of Computer Science and Engineering at Notre Dame; \u003Cstrong\u003EAndrew Lumsdaine\u003C\/strong\u003E, University of Washington and Pacific Northwest National Laboratory distinguished faculty, and Georgia Tech\u0026rsquo;s Bader.\u003C\/p\u003E\r\n\r\n\u003Cp\u003EThe Graph 500 measures performance against three kernels: search, optimization (single-source shortest path), and edge-oriented. Results on these kernels are informative for application performance in business areas as diverse as cybersecurity, medical informatics, social networks, data enrichment, and symbolic networks such as the human brain.\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026ldquo;Regardless of the domain, the overarching goal of HPC is to overcome global problems by harnessing and leveraging the power of data,\u0026rdquo; said Murphy. \u0026ldquo;It is exciting to see the Graph 500 list evolve as we continue to push forward on large-scale data analytics and architectural challenges we face in developing memory and interconnects for these powerful machines.\u0026rdquo;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EComplementing the Graph 500 is the \u003Ca href=\u0022https:\/\/www.top500.org\/\u0022\u003ETop 500\u003C\/a\u003E list, which is also updated every six months during high-profile HPC conferences. The Top 500 evaluates machines based on how they solve a linear system of equations.\u003C\/p\u003E\r\n\r\n\u003Cp\u003E\u0026ldquo;In this new age of big data, we need to measure not just how quickly computers can chew on sets of numbers, but rather how quickly computers can build knowledge from massive-scale data sets,\u0026rdquo; said Bader. \u0026ldquo;That\u0026rsquo;s the difference between Top 500 and Graph 500.\u0026rdquo;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EAccording to Lumsdaine, \u0026ldquo;The top machines in the Graph 500 are different than those in the Top 500, so we know we are measuring these machines along different dimensions. More and varied information is always important when evaluating machines at the scale and cost of these top machines.\u0026rdquo;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EThe Graph 500 is directed by a \u003Ca href=\u0022http:\/\/www.graph500.org\/steering\u0022\u003Esteering committee\u003C\/a\u003E of more than 30 international HPC experts from academia, industry, and national laboratories.\u003C\/p\u003E\r\n","summary":null,"format":"limited_html"}],"field_subtitle":[{"value":"Graph 500 ranking provides broader measure of computers\u2019 overall speed"}],"field_summary":"","field_summary_sentence":[{"value":"The latest list of the world\u0027s fastest computers was released today during the ACM\/IEEE Supercomputing 2016 conference being held this week in Salt Lake City."}],"uid":"32045","created_gmt":"2016-11-15 18:21:17","changed_gmt":"2016-11-16 13:11:17","author":"Ben Snedeker","boilerplate_text":"","field_publication":"","field_article_url":"","dateline":{"date":"2016-11-15T00:00:00-05:00","iso_date":"2016-11-15T00:00:00-05:00","tz":"America\/New_York"},"extras":[],"hg_media":{"583905":{"id":"583905","type":"image","title":"Graph 500","body":null,"created":"1479234120","gmt_created":"2016-11-15 18:22:00","changed":"1479234120","gmt_changed":"2016-11-15 18:22:00","alt":"","file":{"fid":"222607","name":"graph500.png","image_path":"\/sites\/default\/files\/images\/graph500.png","image_full_path":"http:\/\/www.tlwarc.hg.gatech.edu\/\/sites\/default\/files\/images\/graph500.png","mime":"image\/png","size":55537,"path_740":"http:\/\/www.tlwarc.hg.gatech.edu\/sites\/default\/files\/styles\/740xx_scale\/public\/images\/graph500.png?itok=9RAr4gun"}}},"media_ids":["583905"],"groups":[{"id":"47223","name":"College of Computing"},{"id":"50877","name":"School of Computational Science and Engineering"},{"id":"50875","name":"School of Computer Science"}],"categories":[],"keywords":[],"core_research_areas":[{"id":"39431","name":"Data Engineering and Science"}],"news_room_topics":[],"event_categories":[],"invited_audience":[],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[{"value":"\u003Cp\u003EBen Snedeker, Communications Manager\u003C\/p\u003E\r\n","format":"limited_html"}],"email":["albert.snedeker@cc.gatech.edu"],"slides":[],"orientation":[],"userdata":""}}}