#14711: Memleak when creating QuadraticField
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Reporter: jpflori | Owner:
Type: defect | davidloeffler
Priority: critical | Status: new
Component: number fields | Milestone: sage-5.12
Keywords: memleak, number field, | Resolution:
QuadraticField | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by SimonKing):
Replying to [comment:14 SimonKing]:
> But if I recall correctly, there is further strong caching done for
number fields.
I stand corrected. There is
`sage.rings.number_field.number_field._nf_cache`, which is a dictionary.
But apparently it does use weak references to the values.
However, I don't see why one shouldn't use a `WeakValueDictionary`
instead.
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Ticket URL: <http://trac.sagemath.org/ticket/14711#comment:16>
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