「富岳」が４期連続４冠　スパコン計算速度ランキング

　理化学研究所は１６日、理研や富士通などが運用するスーパーコンピューター「富岳」（神戸市）が、スパコンの計算速度を競う「ＴＯＰ５００」など四つの世界ランキングで、昨年６月から４期連続となる１位を獲得したと発表した。
　１秒当たりの計算速度は、約４４．２京（京は１兆の１万倍）回。ＴＯＰ５００のほか、産業利用や人工知能（ＡＩ）、ビッグデータ解析など用途別の計算速度ランキング３種でも、４期連続で世界一となった。（2021/11/16-04:52）

Riken said Tuesday that the "Fugaku" supercomputer, jointly operated by entities including the Japanese government-linked research institute and Fujitsu Ltd. , has topped four global rankings for the fourth consecutive time.
   The supercomputer's performance stands at around 442 petaflops, or quadrillions of floating-point operations per second. Fugaku defended first place in the TOP 500, industrial use, artificial intelligence and big data analysis supercomputer ranking categories.
   Work to develop Fugaku as the successor to the K supercomputer began in 2014.
   Starting full operations in March this year, Fugaku has so far been used for such purposes as searching for COVID-19 treatments and simulating the spread of droplets related to the novel coronavirus, as well as forecasting sudden torrential rain.
   In the biannual TOP 500 supercomputer ranking, announced in June and November, the Earth Simulator of the state-backed Japan Agency for Marine-Earth Science and Technology, or JAMSTEC, claimed the No. 1 spot for five times in a row from June 2002. The K supercomputer topped the ranking for two consecutive times--in June 2011 and November the same year.