[Beowulf] Pi calculator/RAID accross all nodes/Mosix vs. OpenMosix

Joe Landman landman at scalableinformatics.com
Mon Feb 28 04:58:49 PST 2005

>>2. Does anybody know of a program that will calculate pi, one digit at a 
>>time, infinitely that will run in parallel?
> I don't know about one that will compute an infinite number of digits in
> PI, but the computation of PI via the arctan series is trivially
> partitionable in a variety of ways.  You'll spend more time working to
> sum and align the digits you get (as they obviously will have to be
> obtained and manipulated piecewise as strings) than you will doing the
> computation per se.  It actually sounds like a decent exercise, as the
> carry from small digits may have to propagate iteratively back to larger
> ones as you extend the computation farther and farther.


and others.

It is possible to calculate the digits individually using the Bailey et 
al algorithm.


Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics LLC,
email: landman at scalableinformatics.com
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