#18589: isogeny efficiency improvement
-------------------------+-------------------------------------------------
Reporter: | Owner:
cremona | Status: positive_review
Type: | Milestone: sage-6.8
enhancement | Resolution:
Priority: major | Merged in:
Component: | Reviewers: Jeroen Demeyer
elliptic curves | Work issues:
Keywords: | Commit:
isogeny | 3d687e5225f67808eb6c5af5fbf4cb93f2000c62
Authors: John | Stopgaps:
Cremona |
Report Upstream: N/A |
Branch: |
u/cremona/18589 |
Dependencies: |
-------------------------+-------------------------------------------------
Comment (by jdemeyer):
Replying to [comment:54 cremona]:
> Replying to [comment:53 jdemeyer]:
> > Thanks for the info.
> >
> > Interesting, it looks like the `gcd()` computation in `mult()` takes
so much time. I would assume that some kind of coefficient explosion
occurs.
> I think that the real point here is
http://trac.sagemath.org/ticket/18461 which re-implemented univariate
polynomial gcd!
From the traceback, you see that PARI is used to compute this gcd, so the
generic Sage code doesn't matter.
--
Ticket URL: <http://trac.sagemath.org/ticket/18589#comment:55>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
--
You received this message because you are subscribed to the Google Groups
"sage-trac" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at http://groups.google.com/group/sage-trac.
For more options, visit https://groups.google.com/d/optout.
