#14159: Don't install callbacks on values of TripleDict, MonoDict
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Reporter: nbruin | Owner: tbd
Type: defect | Status: needs_review
Priority: major | Milestone: sage-5.8
Component: memleak | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers: Nils Bruin
Authors: Simon King | Merged in:
Dependencies: #13387, #14254 | Stopgaps:
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Comment (by nbruin):
Replying to [comment:49 SimonKing]:
> Question: Shall we remove the new function signed_id introduced in
#14254? It is not needed with the approach that we take here.
Alternatively, we could apply it. How much is the overhead of calling a
cpdef inline function doing `<Py_ssize_t><void *>(x)`, compared without
doing it directly?
It's `inline`, so using it in a place where the `cdef` part is used should
be 0 overhead. The `inline` should get expanded before the optimizer even
looks at the code. The whole point of `inline` is to get the performance
of `#define` macros without the headaches.
If the function is not really in the way, it may be worth keeping around.
I have found it immensely useful for debugging `cython` code if as much
features as possible are also exposed in python. In particular, the `cdef`
only data attributes can be a real pain.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14159#comment:51>
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