U.S. Agencies Block Technology Exports for Supercomputer in China - WSJ

U.S. Agencies Block Technology Exports for Supercomputer in China - WSJ Four technical centers in China associated with the massive computer known as Tianhe-2 have been placed on a U.S. government list of entities determined to be acting contrary to U.S. national security or foreign-policy interests. The system, which is powered by two kinds of Intel microprocessor chips, and an earlier system called Tianhe-1A “are believed to be used in nuclear explosive activities,” according to a notice dated Feb. 18 and posted by the U.S. Commerce Department.
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Related: 美国禁运芯片，中国危中有机--IT--人民网 p1 China Youth Daily article on US decision to block export of new processors for China's supercomputer, says it shows how worried the US is about China' supercomputer development and that it is ultimately an opportunity for China to reduce reliance on foreign processors  //  对于美国禁运芯片，张云泉认为，这肯定会给我国超级计算机发展带来一定的影响，短期来看，天河二号将无法按计划升级，但从长远来看，这正是我们的机会。 “我们在超级计算机的发展过程中，一直在回避一个问题，就是核心处理器的自主化。某个设备如果在核心部件上是弱项，那么随时会被人卡脖子，这才是真正的杀手锏。”张云泉认为，这一事件再次提醒我们要重新调整发展思路，重视核心处理器的研发与应用。