#13441: refactor gcd
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Reporter: saraedum | Owner: AlexGhitza
Type: task | Status: needs_work
Priority: trivial | Milestone: sage-5.4
Component: basic arithmetic | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Julian Rueth | Merged in:
Dependencies: | Stopgaps:
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Comment (by saraedum):
Replying to [comment:10 saraedum]:
> So there is actually a speed penalty. This seems to be caused by a bug
in {{{coerce_binop}}}:
>
> {{{
> sage: x.gcd
> <sage.structure.element.NamedBinopMethod object at 0x1bc255f0>
> sage: x.gcd
> <sage.structure.element.NamedBinopMethod object at 0x1bc27290>
> }}}
This is just how decorators work on methods (if they don't do tricks like
cached_method) - the {{{__get__}}} has to create a new instance on every
call.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13441#comment:12>
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