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Thursday, December 1, 2016
 Fujitsu Starts Operations For Japan's Fastest Supercomputer
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The Oakforest-PACS supercomputer at the Joint Center for Advanced High Performance Computing (JCAHPC), which is jointly run by the University of Tokyo and the University of Tsukuba, has started operations today.



This new supercomputer is comprised of FUJITSU Server PRIMERGY CX600 M1 x86 servers. It uses Intel Xeon Phi processors in its 8,208 computation nodes, achieving a total theoretical computational performance of 25 petaflops. Using performance tuning technologies from Fujitsu and Fujitsu Laboratories Ltd. aimed at large-scale, high performance computing to draw out the maximum system performance, the system achieved 13.55 petaflops on the LINPACK benchmark used to show supercomputer performance on the TOP500 rankings, placing it first in Japan and sixth in the world. It also achieved 385.5 teraflops on the HPCG (High Performance Conjugate Gradient) benchmark, which is known to be a performance indicator closer to actual application performance, placing it third in the world.

Fujitsu will be supporting Oakforest-PACS, which will contribute to the development of science and technology across all of Japan on the basis of Japan's first joint operation by two universities.

Under the operation of JCAHPC, Oakforest-PACS will not only promote research and development in a variety of next-generation science and technology fields, but will also contribute to human resource development in the computational science and high performance computing fields, which will play key roles in the future.

Oakforest-PACS Specifications

Number of nodes: 8,208 nodes
Peak performance: 25 petaflops
Total main memory capacity: 897TB

Interconnect: Intel Omni-Path

File Cache System
Capacity: 940TB
Performance: 1,560GB/sec

Parallel File System
Capacity: 26.2PB(RAID6)
Performance: 500GB/sec

 
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