Academic researchers from Switzerland affirm that they have computed 62.8 billion digits using a pair of AMD processors outside the shelf.
According to a machine translated from the University of Applied Sciences, the German announcement of Graubünden, SWISS University claims to have overcome the previous record of 50 trillions of digits established by Timothy Multican last year. In addition, he affirms that he has achieved this feat in just over 108 days, which makes it more than three times faster than the Multican Registry.
The university has also shared the details of the hardware used to achieve this calculation, which is as impressive as the calculation itself.
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“For PI calculation in the range of billion digits, the huge amounts of memory (RAM and SWAP memory) and the low-memory access times are important. However, the performance of the processor is secondary to this type of Computing, “reads a translated description of the hardware.
The configuration in the upper part a pair of AMD EPYC 7542 processors of 32 cores, coupled with 1TB of RAM, running Ubuntu 20.04 at the top of a pair of solid state (SSD) discs.
To store the digits, the configuration uses 38 hard drives (HDD) at 7200 rpm for a total of 16 TB of storage space. Of these, 34 are used to exchange and four are used for the actual storage of the calculated PI digits.
The researchers explain that they need as many discs, since the 1 RAM TB can not contain all the digits, so the Y-Cruncher calculation program that they use to perform the calculation is regularly stopped towards the hard drive.
Reportedly, Guinness is still in the process of verifying the figure of the University. Although it is not known how the custodian of the global records will verify the calculation of the university, the researchers suggest that a form is to use the Bailey-Borwein-Plouffe formula, which is a computationally intensive mechanism to determine the number in a particular position.
According to researchers, 7817924264 are the last ten known digits, and will publish the entire series once the results have been verified.
