This makes it the least efficient in the world, according to the global supercomputing ranking site Top500.org.

根据全球超级计算机排名网站Top500.org的说法，这表明天河是世界上最为低效的。

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Dongarra is part of an international group that keeps track of the Top500, a list of the fastest supercomputers in the world.

他参与的一个国际团体负责追踪“500强”，亦即全球最快的超级电脑排行榜。

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When considered as the primary OS or part of a mixed-OS supersystem, Linux is now present in 469 of the supercomputer sites, 93.8% of the Top500 list.

当被看作是超级系统的基本操作系统或者混合操作系统的组成部分时，Linux现在占有469个位置，即占Top500超级计算机的93.8％。

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The TOP500 ranking list began in 1993 and is updated twice a year in June and November.

ENGADGET: Fujitsu K supercomputer now ranked fastest in the world, dethrones China's Tianhe-1A

The TOP500-ranked K computer system, currently in the configuration stage, has 672 computer racks equipped with a current total of 68, 544 CPUs.

ENGADGET: Fujitsu K supercomputer now ranked fastest in the world, dethrones China's Tianhe-1A

This is the first time since June 2004 that the Japanese supercomputer "Earth Simulator" has been ranked first on the TOP500 list.

ENGADGET: Fujitsu K supercomputer now ranked fastest in the world, dethrones China's Tianhe-1A