#11521: Memleak when resolving the action of Integers on an Elliptic Curve
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Reporter: jpflori | Owner: robertwb
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.8
Component: coercion | Keywords: sd35
Work_issues: | Upstream: N/A
Reviewer: | Author: Simon King
Merged: | Dependencies: #11900 #715
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Comment(by SimonKing):
After running the example for a couple of minutes, interrupting and doing
garbage collection, I find:
{{{
sage: from sage.schemes.elliptic_curves.ell_finite_field import
EllipticCurve_finite_field
sage: LE = [x for x in gc.get_objects() if
isinstance(x,EllipticCurve_finite_field)]
sage: len(LE)
632
sage: import objgraph
sage: from sage.rings.finite_rings.finite_field_prime_modn import
FiniteField_prime_modn as FF
sage: LF = [x for x in gc.get_objects() if isinstance(x, FF)]
sage: len(LF)
1
}}}
LF shows that one leak is fixed. However, the curves in LE, which are all
defined over the same finite field, can not be collected.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11521#comment:58>
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