Emma Haruka Iwao
Emma Haruka Iwao
|Alma mater||University of Tsukuba|
|Known for||Calculating pi|
|Awards||Guinness World Record value of π|
Emma Haruka Iwao is a Japanese computer scientist at Google. In 2019 Haruka Iwao calculated the world's most accurate value of pi (π). Her calculation reached 31.4 trillion digits. This was much longer than the past record of 22 trillion digits.
Early life and education[change | change source]
As a child, Iwao became interested in pi. She was inspired by Japanese mathematicians, including Yasumasa Kanada. She studied computer science at the University of Tsukuba. Daisuke Takahashi taught her there. She won the Dean's Award for Excellence in 2008, before starting graduate studies in computing. Her master's dissertation was about high performance computer systems. After graduating, Iwao worked as a software engineer for Panasonic, GREE and Red Hat.
Career[change | change source]
Iwao joined Google as a Cloud Developer Advocate in 2015. She worked for Google in Tokyo and then moved to Seattle in 2019. Iwao does training in how to use the Google Cloud Platform (GCP). She also helps application developers. She works to make cloud computing easier for everyone to use. She makes online demos and teaching materials.
In March 2019 Iwao calculated the value of pi to 31.4 trillion digits, using 170 Terabytes (TB) of data. The calculation used a multithreaded program called y-cruncher. It ran on more than 25 machines for 121 days.
References[change | change source]
- Anon (2019). "Most accurate value of pi". guinnessworldrecords.com. Guinness World Records. Retrieved 2019-03-14.
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- Emma Haruka Iwao on Twitter
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- Brodeur, Nicloe (2019). "Woman sets world record in Seattle for calculating the value of pi to 31.4 trillion decimal places". seattletimes.com. Seattle Times.
- "Pi Day record: Google employee Emma Haruka Iwao calculated pi to 31.4 trillion digits". washingtonpost.com. Washington Post.
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- "Emma Haruka Iwao". emma-haruka-iwao.html. Retrieved 2019-03-14.[dead link]
- Brito, Christopher (2019). "This Google employee just smashed the world record for calculating pi". cbsnews.com. CBS News. Retrieved 2019-03-14.
- Kelly, Heather (2019). "A Google employee just broke the world record for calculating pi". cnn.com. CNN. Retrieved 2019-03-14.
- Herbert, Tom (2019-03-14). "A Google employee has smashed the Pi world record... on Pi Day". standard.co.uk. London: Evening Standard. Retrieved 2019-03-14.
- Bailey-Millado, Rob (2019-03-14). "Pi world record calculation broken by Google employee Emma Haruka Iwao". nypost.com. New York Post. Retrieved 2019-03-14.
- Shaban, Hamza (2019). "Pi Day news: Google employee breaks record, calculates 31.4 trillion digits of Pi". chicagotribune.com. Chicago Tribune. Retrieved 2019-03-14.
- Yee, Alexander J. (2019). "y-cruncher - A Multi-Threaded Pi Program". numberworld.org. Retrieved 2019-03-14.