Woman Adds 9 Trillion Digits to Pi

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They made their announcement today, on Pi day which falls on March 14th, or 3.14, the U.S. format of the date, in its most basic form.

The calculations took around four months (121 days) to complete and computed digits are now the published by Google Cloud as disk snapshots, which are available to anyone.

Iwao, a computer scientist and software engineer whose official title is cloud developer advocate, used y-cruncher, a program created by USA software developer Alexander J. Yee that has been used in many previous pi record breakings. The previous world record was 22.4 trillion digits and it was achieved back in November, 2016 by Peter Trueb.

"In the past super computer and desktop computers were used to calculate pi, and today this is the first time a cloud was calculated to beat the world record", she said.

Haruka Iwao ran the calculations using the y-cruncher application running on 25 Google Cloud virtual machines.

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March 14 is popularly known as Pi Day because its abbreviation is 3.14, the first few digits of the irrational number we all learned about in school as the ratio of the circumference of a circle to its diameter.

Emma Haruka Iwao, a Google employee, just smashed the world record of calculating pi. Her calculation required, says Google in their blog on her achievement.

"It was my childhood dream, a longtime dream, to break the world record for pi", Iwao said. As a child, she downloaded a program to calculate pi on her own computer. I was very fortunate that there were Japanese world record holders that I could relate to. "But now that it's been calculated with the cloud, the sky's the limit", a Google spokesperson said. Researchers who wanted to peer into a data set that large used to have to ship physical hard drives to one another, but now they can access the company's results remotely.

Iwao's calculation brings pi to 31,415,926,535,897 digits. "Hopefully we can do an even bigger computation in the future".

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