On Mon, Aug 3, 2009 at 4:37 PM, VictorMiller<victorsmil...@gmail.com> wrote:
>
> As far as I know Maxima isn't involved -- I don't think that isogenies
> uses Maxima.
You can prove Maxima isn't involved by doing the computation then
exiting sage and seeing if it says "Exiting Maxima" when Sage is
quiting.
William
>
> Victor
>
> On Aug 3, 6:58 pm, Simon King <simon.k...@nuigalway.ie> wrote:
>> On 4 Aug., 00:29, VictorMiller <victorsmil...@gmail.com> wrote:
>> ...
>>
>>
>>
>>
>>
>> > phi = E.isogeny([E(0),P,-P])
>> > for i in xrange(20): timeit('phi(Q)')
>>
>> > 625 loops, best of 3: 1.17 ms per loop
>> > 625 loops, best of 3: 1.75 ms per loop
>> > 125 loops, best of 3: 2.1 ms per loop
>> > 125 loops, best of 3: 2.22 ms per loop
>> > 125 loops, best of 3: 2.3 ms per loop
>> > 125 loops, best of 3: 2.4 ms per loop
>> > 125 loops, best of 3: 2.52 ms per loop
>> > 125 loops, best of 3: 2.73 ms per loop
>> > 125 loops, best of 3: 3.02 ms per loop
>> > 125 loops, best of 3: 3.32 ms per loop
>> > 125 loops, best of 3: 3.48 ms per loop
>> > 125 loops, best of 3: 3.73 ms per loop
>> > 125 loops, best of 3: 3.79 ms per loop
>> > 125 loops, best of 3: 4.21 ms per loop
>> > 125 loops, best of 3: 4.56 ms per loop
>> > 125 loops, best of 3: 5.09 ms per loop
>> > 125 loops, best of 3: 5.63 ms per loop
>> > 125 loops, best of 3: 6.23 ms per loop
>> > 125 loops, best of 3: 6.86 ms per loop
>> > 125 loops, best of 3: 7.52 ms per loop
>>
>> This reminds me the
>> threadshttp://groups.google.com/group/sage-devel/browse_thread/thread/863e59...
>> orhttp://groups.google.com/group/sage-support/browse_thread/thread/abb4...
>>
>> In other words:
>> Is Maxima involved in this computation?
>> If yes, then it might be related with
>> tickethttp://trac.sagemath.org/sage_trac/ticket/4731
>> Is someone working on this ticket?
>>
>> Cheers,
>> Simon
> >
>
--
William Stein
Associate Professor of Mathematics
University of Washington
http://wstein.org
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