#11900: Serious regression caused by #9138
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Reporter: SimonKing | Owner: tbd
Type: defect | Status: needs_work
Priority: critical | Milestone: sage-4.8
Component: performance | Keywords: categories regression
Work_issues: | Upstream: N/A
Reviewer: Jeroen Demeyer | Author: Simon King
Merged: | Dependencies: #9138 #11911
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Comment(by nthiery):
Replying to [comment:103 SimonKing]:
> Replying to [comment:102 SimonKing]:
> > You write that the Category_singleton uses an optimized class call. It
is indeed slightly faster
>
> "slightly" is ironical, as it is a factor of nearly two.
:-)
One can expect more progress by:
- cythonizing ConstantFunction
- cythonizing ClassCallMetaclass.__classcall__
This probably should eventually be generalized to a Singleton subclass of
UniqueRepresentation.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11900#comment:106>
Sage <http://www.sagemath.org>
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