[Ecm-dev] Proposal from George. Literally.

George Woltman woltman at alum.mit.edu
Lun 9 Mai 21:30:47 CEST 2005


At 03:12 PM 5/9/2005, Paul Zimmermann wrote:
>    1)  Do the incompatible libs thing if it is to everyone's liking, or
>    2)  I'll create a GPL library with FFT sizes up to 1024K.  Those 
> needing=20
>    larger FFT sizes,
>    can link in a non-GPL version for their personal use.
>
>I vote for 2).

Done.

>By the way, to which input size does the 1024K limit
>correspond? For example which Fermat number could it try to factor?
>I'm sure a good ecm attack on F12-F20 could find at least one new
>factor.

A 1024K FFT can handle up to about 20 million bits.  So no problem with 
F12-F20.

George 


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