Opened 10 years ago

Last modified 10 years ago

#11468 closed defect

Memleak when using elliptic curves — at Initial Version

Reported by: jpflori Owned by: rlm
Priority: critical Milestone: sage-4.7.2
Component: memleak Keywords: memleak, libsingular
Cc: jpflori, burcin Merged in:
Authors: Reviewers:
Report Upstream: N/A Work issues:
Branch: Commit:
Dependencies: Stopgaps:

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Using the following piece of code makes the memory footprint of sage
grow indefinitely:

sage: K = GF(1<<50,'t')
sage: j = K.random_element()
sage: while 1:
....:    E = EllipticCurve(j=j)
....:    del E

This seems to be less dramatic with finite fields of char != 2 and
inexistant for ZZ and QQ.

However this makes big computations involving different elliptic curves quite inpractical.

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