[Cado-nfs-discuss] qmin

paul zimmermann Paul.Zimmermann at inria.fr
Mon Mar 12 09:44:07 CET 2018


in the last mail on the list Pierrick wrote:

> If this parameter is not given, then the default is to use the value of
> lim1 as qmin.

this was true before the 2.3.0 release. In cado-nfs 2.3.0, we decided to change
the default value to lim1/2 (or lim0/2 is sqside=0).

This new choice yields more duplicates, but sieving is faster, and in the end
it was faster in the experiments we did on RSA-120, RSA-130, RSA-140, RSA-155.

Best regards,
Paul Zimmermann


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