PI news by

Kanada Pi-Laboratory

20th October 2005: Dear folks,
Our latest record which was announced already at press release time of 6-th of
December, 2002 was as the followings;

Declared record: 1,241,100,000,000 decimal digits

[Errechnet auf einem HITACHI SR8000/MPP]

Yasumasa KANADA
Information Technology Center, Computer Centre Division, University of Tokyo

Two independent hexadecimal calculation based on two different algorithms generated more than 1,030,775,430,000 hexadecimal digits of pi and comparison of two generated sequences matched completely. Computed hexadecimal digits of pi were radix converted into base 10, generating more than 1,241,177,300,000 decimal digits of pi and generated decimal digits of pi were radix converted again into base 16. Radix converted hexadecimal digits of pi were compared with original hexadecimal digits of pi. There were no difference up to 1,241,100,000,000 decimal digits.

Then we are declaring 1,241,100,000,000 decimal digits as the new world records.

Total elapsed time : 601 hours 56 minutes
Total elapsed time includes elapsed time for data transfer of 400 TB
between main memory and auxiliary disk storage.

Yasumasa KANADA
Information Technology Center, Computer Centre Division, University of Tokyo
Bunkyo-ku Yayoi 2-11-16
Tokyo 113-8658 Japan



Fax : +81-3-3814-7231 (office, G3 & Super G3)
E-mail:
Yasumasa KANADA

 

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