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Mathematicians Calculate 10 Trillion Digits of Pi With Xeons

by - source: Numberworld

Mmm...3.141592653589793238462643383279502884197169399375105820974944592307816406286208998628034825342117067982148086513282306647093844609550582231725359408128481117450284102701938521105559644622948954930381964428810975665933446128475648233786783165271201

For the first time mathematicians were able to calculate the Pi constant with 10 trillion decimal digits.

Ten trillion would represent a 1 with 13 zeros. If you were to print that number on paper, you would need about 2.87 billion sheets, based on a standard configuration of about 3500 digits per sheet. Such a stack of paper would reach a height of 21.4 miles.

According to an unofficial announcement the calculation of the 10 trillion digits, it took 371 days and an additional 45 hours to verify on a system equipped with two Intel Xeon X5680 processors, 96 GB of memory and 24 2 TB hard drives. Only the first 5 trillion are offered for download as decimals via five separate downloads totaling 1.91 TB at this time.

The record of 10 trillion records doubles the previous record of 5 trillion digits, which was posted in August of this year.

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das_stig 12/11/2011 13:48
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Why, surely using all that processor time to search for a cancer or hiv cure would have been more beneficial to the human race.

frankbough 12/11/2011 16:03
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das_stig :
Why, surely using all that processor time to search for a cancer or hiv cure would have been more beneficial to the human race.



Not especially. This required almost no computing power compared to the problems that medical science is tackling. We're talking about just 2 processors after all...

It could potentially have been effective if they'd directed their effort, but not necessarily their processor time.

theFatHobbit 12/11/2011 17:36
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does this mean circles can now be even rounder?

acer0169 12/11/2011 19:03
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Surely knowing the formula for pi is all we need? I doubt there has ever been an instance where someone has needed to know the 10 trillionth number in pi. Should have just put a GTX 590 in that machine and benchmarked Crysis like the rest of us.

dizzycriminal 13/11/2011 13:10
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But Pi is exactly three.

wild9 13/11/2011 13:11
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Ask seller a question..

"Is the CPU burned in?"

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