Hi Tomas,

> > This helped a lot! The 634 seconds reduced to 37 seconds, a 17-fold
> > speed improvement :-)
> great!  Does it mean that the speed is proportional to the number of
> digits processed in one go, i.e. about 9 times faster on a 32 system and
> about 18 times faster on a 64 bit system?  I guess there must be other
> trick as the printing time was negligible using gmp.

Yes, the time increases nearly exponentially with the number length, as
it is a loop of additions over the whole number for each non-zero bit.

So the speed improvement is noticeable only for large numbers.

- Alex
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