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圆周率计算创新记录 为圆周率日送上大礼

2019-03-15 13:20[双语新闻] 来源: 浏览: 次 评论:

  Pi, the ratio of a circle's circumference to its diameter, has been calculated out to 31.4 trillion digits and one of Google's employees has broken the world record because of this, Google said on Pi Day which fell on Thursday this year.
  圆周率是圆周长与直径的比率,谷歌的一名员工已经计算出小数点后31.4万亿位,并因此打破了世界纪录,谷歌在今年圆周率日(本周四)宣布了这一消息。

  The employee, Emma Haruka Iwao has spent four months on the project, using 25 Google Cloud virtual machines to generate the number, which is the first time that a publicly available cloud software has been used for pi calculation. She finally calculated 31,415,926,535,897 digits of pi, beating the previous record in 2016 of nearly 9 trillion digits.
  该员工Emma Haruka Iwao花了四个月的时间,使用25个Google Cloud虚拟机计算出了该数字,这是公开的云软件首次运用于圆周率的计算。她最终计算到了小数点后31,415,926,535,897位圆周率,超过了2016年的小数点后近9万亿位数。


  "It was my childhood dream, a longtime dream, to break the world record for pi," Iwao told CNN Business. She has been working on it since she was 12, when she first downloaded software to calculate the number on her personal computer in Japan.
  “打破圆周率的世界纪录是我儿时的梦想,一个长期的梦想。”Iwao告诉CNN Business。她从12岁开始就一直在研究它,当时她第一次下载软件来计算日本个人电脑上的数字。

  Iwao's team used a program called "ycruncher" for the record-breaking result, which requires a lot of storage and memory to calculate, about the same amount of data as the entire Library of Congress print collection, Google said.
  谷歌表示,Iwao的团队使用一个名为“ycruncher”的程序来破纪录,这需要与整个美国国会图书馆印刷收集的数据一样大巨大的存储和内存来计算,。

  The snapshots of Iwao's calculations were saved on external discs in Google Cloud, which means that all the new digits of pi calculation can be downloaded by anyone who wants to experiment with the data.
  Iwao计算的快照保存在Google Cloud的外部光盘上,这意味着任何想要体验该数据的人都可以下载圆周率计算的所有新数字。

  Because of its complexity and irrationality, pi is often used by developers and programmers to test the performance of new hardware or cloud computing. The new record shows how far cloud computing technology could go.
  由于其复杂性和不合理性,开发人员和程序员经常使用圆周率来测试新硬件或云计算的性能。新记录显示了云计算技术的发展方向。

  翻译:以沫

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