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Saturday, August 07, 2010

5 Trillion Digits of Pi

A new world record is achieved by Alexander J. Yee & Shigeru Kondo, who calculated value of Pi up to five Trillion digits.

3.
1415926535 8979323846 2643383279 5028841971 6939937510 : 50
5820974944 5923078164 0628620899 8628034825 3421170679 : 100
2962457053 9070959679 6673211870 6342459769 2128529850 : 999,999,999,950
2976735807 0882130902 2460461146 5810642210 6680122702 : 1,000,000,000,000
9354516713 6069123212 1286195062 3408400370 1793492657 : 1,999,999,999,950
8386341797 9368318191 5708299469 1313121384 3887908330 : 2,000,000,000,000
3840840269 5893047555 2627475826 8598006396 3215856883 : 2,699,999,989,950
9256371619 3901058063 3448436720 6294374587 7597230153 : 2,699,999,990,000
8012497961 5892988915 6174704230 3863302264 3931687863 : 2,699,999,990,050
3126006397 8582637253 6739664083 9716870851 0983536511 : 2,699,999,990,100
5628334110 5221005309 8638608325 4364661745 5833914321 : 2,999,999,999,950
9150024270 6285788691 0228572752 8179710957 7137931530 : 3,000,000,000,000
5209957313 0955102183 1080456596 1489168093 0578494464 : 3,999,999,999,950
3638467628 3610607856 5071920145 5255995193 8577295739 : 4,000,000,000,000
2597691971 6538537682 7963082950 0909387733 3987211875 : 4,999,999,999,950
6399906735 0873400641 7497120374 4023826421 9484283852 : 5,000,000,000,000

The hardware/OS used to calculated such a huge number was:

Hardware: Shigeru Kondo's Desktop
Shigeru Kondo's computer had the following specifications:
Processor
2 x Intel Xeon X5680 @ 3.33 GHz - (12 physical cores, 24 hyperthreaded)
Memory
96 GB DDR3 @ 1066 MHz - (12 x 8 GB - 6 channels) - Samsung (M393B1K70BH1)
Motherboard
Asus Z8PE-D12
Hard Drives
1 TB SATA II (Boot drive) - Hitachi (HDS721010CLA332) 3 x 2 TB SATA II (Store Pi Output) - Seagate (ST32000542AS) 16 x 2 TB SATA II (Computation) - Seagate (ST32000641AS)
Raid Controller
2 x LSI MegaRaid SAS 9260-8i
Operating System
Windows Server 2008 R2 Enterprise x64
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