#18905: fix more leaks found in #18897
---------------------------+------------------------
Reporter: dimpase | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.8
Component: memleak | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: #18897 | Stopgaps:
---------------------------+------------------------
Changes (by SimonKing):
* dependencies: => #18897
Old description:
> In #18897 one leak is fixed, but there are more left, see comments 27 and
> later.
New description:
In #18897 one leak is fixed, but there are more left, see comments 27 and
later:
{{{
sage: L = [1,1,0,1,0,1,2,1,1,0,0,1,2,0,0,1,1,0,2,0,0,0,0,0,1]
sage: def test(L, dim):
....: import gc
....: from collections import Counter
....: gc.collect()
....: pre={id(c) for c in gc.get_objects()}
....: m = matrix(dim, L)
....: for p in range(2,102):
....: m.change_ring(GF(nth_prime(p))).eigenvalues()
....: gc.collect()
....: post=Counter(type(o) for o in gc.get_objects() if id(o) not in
pre)
....: return [(k,v) for (k,v) in post.iteritems() if v>10]
....:
sage: test(L, 5)
[(<class
'sage.rings.algebraic_closure_finite_field.AlgebraicClosureFiniteField_pseudo_conway_with_category'>,
100),
...
(<class 'sage.rings.homset.RingHomset_quo_ring_with_category'>, 100),
...
(<type 'sage.rings.finite_rings.integer_mod.NativeIntStruct'>, 100),
(<type 'sage.rings.finite_rings.integer_mod.Int_to_IntegerMod'>, 200),
...
(<class 'sage.rings.homset.RingHomset_generic_with_category'>, 100),
...]
}}}
--
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Ticket URL: <http://trac.sagemath.org/ticket/18905#comment:1>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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