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日媒称,一年两度竞争超级计算机计算速度的世界“TOP500”排名已于20日发表,由中国国家并行计算机工程中心新研制的超级计算机“神威太湖之光”问鼎榜首。
据悉,该计算机中被称为心脏部分的处理器也是由中国自主研发的“纯国产产品”。
神威太湖之光的计算速度为每秒9.3亿亿次,是上届冠军、使用了美国英特尔公司出品处理器的中国“天河2号”超级计算机的3倍。同时也是在本次排名中从第4跌落至第5的日本超级计算机“京”(理化学研究所)的9倍。
在此之前,中国一直引进美国生产的处理器进行组装。然而,担忧进行军事利用的美国政府于去年限制了对中国的出口。中国在此次的自主研发中采用了“众核处理器”(many core)这一最新技术。神户大学计算科学教育中心特聘教授小柳义夫表示:“众核处理器的开发需具备尖端技术。成功来得比预想要快。美国限制出口的措施大概也起到了推动技术开发的作用” 。
日本方面,文部科学省正计划在2020年度,将“京”的后继机种“Post 京”投入运行。总经费将达1300亿日元(约合人民币82亿1600万元),目标计算速度虽为京的100倍,但日方并未瞄准“世界第一”的名次,而是采取了重视节能与便于使用的方针。
责任编辑:张海潮 CM013
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