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The Pi Record Returns to the Personal Computer: (January 29, 2020) - permalink


After a grueling 10 months of computation running from April of last year to today, the world record for Pi has once again fallen. This time to Timothy Mullican who computed 50 trillion digits of Pi on a dated (but still powerful) personal computer.


As the previous record was set by Google using their cloud platform, this computation marks the return of the Pi record to single machine personal computers.


Timothy used a 2012-era computer (Ivy Bridge) along with a very large array of 48 modern hard drives. While the processing power was significantly less than that of Google's computation, it had a better balance of computing power and storage bandwidth - thus leading to a computation of comparable speed to Google's.


Full details of the computation can be found on Tim's blog.