Emma Haruka Iwao

Emma Haruka Iwao is a Japanese computer scientist and cloud developer advocate at Google.[3][4] In 2019 Haruka Iwao calculated the then world record for most accurate value of pi (π); which included 31.4 trillion digits, exceeding the previous record of 22 trillion.[5][6][7][8][9] This record was surpassed in 2020 by Timothy Mullican who calculated 50 trillion digits,[10][11] but she reclaimed the record in 2022 with 100 trillion digits.[12] She identifies as queer.[13]

Emma Haruka Iwao
Alma materUniversity of Tsukuba
AwardsGuinness World Record for most accurate value of pi (π)[1]
Scientific career
FieldsComputer science
InstitutionsGoogle
Panasonic
GREE
Red Hat[2]
Websiteblog.yuryu.jp

Early life and education

As a child, Iwao became interested in pi.[5] She was inspired by Japanese mathematicians, including Yasumasa Kanada.[14] She studied computer science at the University of Tsukuba, where she was taught by Daisuke Takahashi.[4][3] She was awarded the Dean's Award for Excellence in 2008, before starting graduate studies in computing. Her master's dissertation considered high performance computer systems.[4] After graduating, Iwao took on several software engineering positions, working on site reliability for Panasonic, GREE and Red Hat.[3]

Career

Iwao joined Google as a Cloud Developer Advocate in 2015.[5] She originally worked for Google in Tokyo, before moving to Seattle in 2019.[2] Iwao offers training in the use of the Google Cloud Platform (GCP), as well as supporting application developers.[15][16][17][18] She works to make cloud computing accessible for everyone, creating online demos and teaching materials.[19]

In March 2019 Iwao calculated the value of pi to 31,415,926,535,897 digits (Equal to ⌊π × 1013⌋), using 170 terabytes (TB) of data.[5][14][20][1][21] The calculation used a multithreaded program called y-cruncher using over 25 machines for 121 days.[5][22][19]

In March 2022 she extended the world record to 100 trillion digits of pi.[23]

See also

References
  1. Anon (2019). "Most accurate value of pi". guinnessworldrecords.com. Guinness World Records. Retrieved 2019-03-14.
  2. Iwao, Emma Haruka (2019). "Emma Haruka Iwao: Developer Advocate for Google Cloud Platform". linkedin.com. LinkedIn.
  3. "Google Developer Day". google.cn. Retrieved 2019-03-14.
  4. Neagle, Mia (2019-03-14). "A recipe for beating the record of most-calculated digits of pi". blog.google. Retrieved 2019-03-14.
  5. Kleinman, Zoe (2019-03-14). "Woman smashes pi world record". bbc.com. BBC. Retrieved 2019-03-14.
  6. Emma Haruka Iwao on Twitter
  7. Anon (2019). "Beating the record of most-calculated digits of pi". youtube.com. YouTube.
  8. 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.
  9. "Pi Day record: Google employee Emma Haruka Iwao calculated pi to 31.4 trillion digits". Washington Post.
  10. "The Pi Record Returns to the Personal Computer". Retrieved 30 January 2020.
  11. "Calculating Pi: My attempt at breaking the Pi World Record". 26 June 2019. Retrieved 30 January 2020.
  12. "Calculating 100 trillion digits of pi on Google Cloud". Google Cloud Blog. Retrieved 2022-06-15.
  13. Braidwood, Ella (18 March 2019). "Queer Google's queer female pi world record breaker hopes to inspire LGBT community". PinkNews.
  14. Morris, Ian (2019). "Google Celebrates Pi Day With Record-Breaking Calculation". Forbes. Retrieved 2019-03-14.
  15. mad\djchilsx (2017-11-10). "Hands-on | Intel® HPC Developer Conference". software.intel.com. Intel. Retrieved 2019-03-14.
  16. Anon (2019). "Emma Haruka Iwao". lesbianswhotech.org. Lesbians Who Tech. Archived from the original on 2019-03-30. Retrieved 2019-03-14.
  17. "Emma Haruka Iwao". emma-haruka-iwao.html. Retrieved 2019-03-14.
  18. Brito, Christopher (2019). "This Google employee just smashed the world record for calculating pi". CBS News. Retrieved 2019-03-14.
  19. Kelly, Heather (2019). "A Google employee just broke the world record for calculating pi". cnn.com. CNN. Retrieved 2019-03-14.
  20. 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.
  21. 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.
  22. Yee, Alexander J. (2019). "y-cruncher - A Multi-Threaded Pi Program". numberworld.org. Retrieved 2019-03-14.
  23. "Even more pi in the sky: Calculating 100 trillion digits of pi on Google Cloud". June 8, 2022.
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