#12357: Make groupoids garbage collectable
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Reporter: SimonKing | Owner: rlm
Type: defect | Status: needs_work
Priority: major | Milestone: sage-pending
Component: memleak | Resolution:
Keywords: groupoid cache Cernay2012 | Work issues:
Report Upstream: N/A | Reviewers: Jean-Pierre
Flori
Authors: Simon King | Merged in:
Dependencies: #715, #11521, #12313, #11943 | Stopgaps:
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Comment (by SimonKing):
PS: In unpatched sage-5.6.rc0, one would obtain
{{{
sage: P = Parent()
sage: import gc
sage: m = id(P)
sage: n = id(Groupoid(P))
sage: m in map(id, gc.get_objects())
True
sage: n in map(id, gc.get_objects())
True
sage: del P
sage: _ = gc.collect()
sage: m in map(id, gc.get_objects())
True
sage: n in map(id, gc.get_objects())
True
}}}
And this is even ''without'' using a cache for P!!
Hence, the tests does demonstrate that some leak was fixed.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12357#comment:26>
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