#12215: Memleak in UniqueRepresentation, @cached_method
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Reporter: vbraun | Owner: rlm
Type: defect | Status: needs_work
Priority: major | Milestone: sage-4.8
Component: memleak | Keywords:
UniqueRepresentation cached_method caching
Work_issues: segfaults for elliptic curves | Upstream: N/A
Reviewer: | Author: Simon King
Merged: | Dependencies: #11115 #11900
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Comment(by SimonKing):
Aha! A comparison of two sage.libs.pari.gen.gen happens ''after''
_unsafe_deallocate_pari_stack is called, which closes pari. That is, of
course, bad.
Only I wonder how the order can be changed. Alternatively, it could be
tested before comparison whether pari is still alive. But that would
result in a slow-down.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12215#comment:27>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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