![]() We ran 25 nodes for 111.8 days, or 2,795 machine-days (7.6 machine-years), during which time Google Cloud performed thousands of live migrations uninterrupted and with no impact on the calculation process. ![]() First, Compute Engine’s live migration feature lets your application continue running while Google takes care of the heavy lifting needed to keep our infrastructure up to date. ![]() Using Compute Engine, Google Cloud’s high-performance infrastructure as a service offering, has a number of benefits over using dedicated physical machines. Furthermore, it gets harder to survive a potential hardware outage or failure as the computation goes on.įor our π calculation, we decided to go to the cloud. In layman’s terms, this means that the time and resources necessary to calculate digits increase more rapidly than the digits themselves. However, the complexity of Chudnovky's formula-a common algorithm for computing π-is O( n (log n) 3). In fact, the race to calculate more π digits has only accelerated as of late, with computer scientists using it as a way to test supercomputers, and mathematicians to compete against one another. Granted, most scientific applications don’t need π beyond a few hundred digits, but that isn’t stopping anyone starting in 2009, engineers have used customized personal computers to calculate trillions of digits of π. You can read more details of this record from y-cruncher's perspective in Yee’s report. Yee independently verified the calculation using Bellard's formula and BBP formula. 31.4 trillion digits is almost 9 trillion digits more than the previous world record set in November 2016 by Peter Trueb. Yee, using a Google Compute Engine virtual machine cluster. We achieved this feat using y-cruncher, a Pi-benchmark program developed by Alexander J. In honor of Pi Day, today March 14 (represented as 3/14 in many parts of the world), we’re excited to announce that we successfully computed π to 31.4 trillion decimal places-31,415,926,535,897 to be exact, or π * 10 13. This has broken a GUINNESS WORLD RECORDS TM title, and the first time the record was broken using the cloud, proving Google Cloud’s infrastructure works reliably for long and compute-heavy tasks. Ever since the ancient Babylonians, people have been calculating the digits of π, the ratio of the circumference of a circle to its diameter that starts as 3.1415… and goes on forever.
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