I tested your function on my Sage 4.7.alpha? install with 11468 (not
14468...) and 11495 and I do not seem tp get the leak:
sage: leak()
0.46875
0.46875
0.46875
0.46875
0.46875
0.46875
0.46875
0.46875
0.46875
0.46875
0.46875
0.46875
0.46875
0.46875
0.46875
0.46875
0.46875
0.46875
0.46875
0.46875


On 25 juil, 10:16, Jean-Pierre Flori <jpfl...@gmail.com> wrote:
> Ticket 11521 which seems to be nothing but 715 looks similar, but does
> not seem related.
>
> You could also try applying 14468 and 11495 (patches but no reviews
> yet, one is just a very old bug which has been unfortunately rolled
> back).
> They affect multi polynomial rings used by elliptic curves.
>
> Finally it might be worth having a look at 5949, but I would say it is
> not related.
>
> On 25 juil, 09:55, Jonathan Bober <jwbo...@gmail.com> wrote:
>
>
>
>
>
>
>
> > I just found the following memory leak:
>
> > def leak():
> >     K.<a> = NumberField(x^2 - x - 1)
> >     m = get_memory_usage()
> >     for n in xrange(100000):
> >         E = EllipticCurve(K, [3,4,5,6,7])
> >         if n % 1000 == 0:
> >             print get_memory_usage() - m
>
> > sage: leak()
> > 0.0
> > 0.5
> > 1.0
> > 1.0
> > 1.5
> > 2.0
> > 2.0
> > 2.5
> > 3.0
> > [...]
>
> > Is this the same as an already reported bug? It looks like it might be
> > related 
> > tohttp://trac.sagemath.org/sage_trac/ticket/715orhttp://trac.sagemath.o...that
> >  this example is
> > always constructing the exact same curve, and it isn't doing anything with
> > it. If it isn't the same as those leaks, does anyone have any idea what it
> > is?

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