#14054: Cythoned UniqueRepresentation
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Reporter: SimonKing | Owner: tbd
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.8
Component: performance | Resolution:
Keywords: cython UniqueRepresentation | Work issues:
Report Upstream: N/A | Reviewers: Travis
Scrimshaw
Authors: Simon King | Merged in:
Dependencies: #14017, #6495 | Stopgaps:
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Comment (by nbruin):
Replying to [comment:28 SimonKing]:
> If it is in a wrong slot (you mean: Addressed by a non-identic copy of a
parent?) then it should simply not occur here, because `TripleDict` would
compare by identity.
No, what I meant is: bucket position to write value into gets determined,
dictionary gets changed due to a GC, value gets placed into bucket
position determined earlier, which now belongs to an entirely different
key triple. Without #13387 we couldn't strictly exclude that from
happening, but it would need extreme bad luck.
Your hypothesis sounds much more probable.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14054#comment:29>
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