#12313: Fix yet another memory leak caused by caching of coercion data
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Reporter: SimonKing | Owner:
Type: defect | Status:
needs_work
Priority: major | Milestone:
sage-5.7
Component: memleak | Resolution:
Keywords: coercion weak dictionary | Work issues:
Report Upstream: N/A | Reviewers: Simon
King, Jean-Pierre Flori, John Perry, Nils Bruin
Authors: Simon King, Jean-Pierre Flori | Merged in:
Dependencies: #715, #11521, #12215, #13746, #13378 | Stopgaps:
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Changes (by SimonKing):
* cc: nthiery (added)
Comment:
Replying to [comment:283 nbruin]:
> ...
>
> In fact it shows you pretty quickly that ShurFunctions were apparently
VERY heavily relying on parents being cached:
> ...
>
> My first impression is that this code indeed will make a concrete
realization of some structure, perform the operation, and throw away the
concrete realization. Elements on the way basically ARE homs, hence all
the homsets. I'm sure someone will be grateful if you clean up this
design, but I'm not so sure it should be part of this ticket or a
requirement for its merger. Good luck!
Cc to Nicolas, perhaps he has remarks on it.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12313#comment:284>
Sage <http://www.sagemath.org>
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