profishingrods.com
profishingrods.com March 19, 2019


Pi world record calculation broken by Google employee Emma Haruka Iwao

14 March 2019, 11:24 | Cameron Gross

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Google made the announcement on March 14 (3.14), which is known as Pi Day.

From start to finish, the computation took 121 days.

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.

A Google employee from Japan calculated the most accurate value of pi at 31 trillion digits and shattered the world record, the company announced in a blog post on Thursday, or "Pi Day".

To calculate the number, Iwao used an application called y-cruncher on 25 Google Cloud virtual machines.

Pi has been computed to 31.4 trillion decimal places or 31,415,926,535,897 digits to be exact, using Google Compute Engine, powered by Google Cloud. It's an irrational number that continues infinitely without repetition. It's the number you get when you divide a circle's circumference by its diameter.

Iwao's calculation set a new Guinness World Record. Trueb also used y-cruncher to calculate Pi value, but Google set new records for using the cloud and SSD drives as well. No word yet on whether she will be celebrating her achievement the American way - by eating actual pie.




Ms Iwao said she had been fascinated by the number since she had been a child. "The biggest challenge is you need a lot of storage".

Talking about her journey, she says, "When I was a kid, I didn't have access to supercomputers".

Emma and Google have shown that Google Cloud computing can be used to solve many complex mathematical problems and this is only the beginning of what is possible.

Her former professor and one time world record holder for pi, Daisuke Takahashi, helped her with advice and technical strategies.

For years, mathematicians and computer scientists have raced to calculate ever more digits of Pi.

"In terms of how long this record might stand, we can't predict the future".



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