Press release  June 23, 2017

Super computer "K" won the world first place

Supercomputer "K" gained first place in the world for the fifth consecutive year in Graph 500
-Best evaluation in graph analysis, which is important in processing big data-

The international collaborative research group of RIKEN (RIKEN), Kyushu University, Tokyo Institute of Technology, Barcelona Supercomputing Center in Spain, Fujitsu Limited and Fixstars Corporation announced that an analysis result by the Supercomputer "K" won the first place for the fifth consecutive year (6th in total) following November 2016 in Graph 500 which is the international performance ranking of supercomputers on big data processing (large scale graph analysis).

The performance of large-scale graph analysis is important in the analysis of big data requiring large-scale and complicated data processing, and "K" has won for over 5 years since its operation started. Due to this ranking result, it has been proved to have the highest ability in the world for big data analysis. For the widespread dissemination of this achievement, the international collaborative research group has made the program open source and is now open from it's GitHub repository. In the future, we plan to establish global standards for large-scale high-performance graph processing.

Part of this research was conducted as part of "Ultra large scale graph optimization infrastructure in postpetascale systems" (Research Representative: Katsuki Fujisawa, Kyushu University, Representative: Toyotaro Suzumura Barcelona Supercomputing Center: ended in March 2017) which is a research subject of "Creation of system software technology contributing to post-petascale high-performance computation" (Research Summary: Mitsuhisa Sato RIKEN Research Institute for Computational Science) and "EBD: Fundamental Technology of Extreme Big Data for Yettabyte Processing in the Next Generation" (Researcher: Satoshi Matsuoka Tokyo Institute of Technology) which is a research subject of "Creation and systematization of next generation fundamental technology for utilization of big data integration" (Research Summary: Kitsuregawa Yu National Institute of Informatics) by Science and Technology Agency (JST) Strategy Research Promotion Project CREST.

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