#11900: Serious regression caused by #9138
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Reporter: SimonKing | Owner: tbd
Type: defect | Status: new
Priority: blocker | Milestone: sage-4.7.2
Component: performance | Keywords: categories regression
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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Comment(by SimonKing):
If the initialisation of matrix spaces is changed such that
`Parent.__init__` (and thus the full category framework) is ''not''
called, then I'm down to
{{{
sage: E = J0(46).endomorphism_ring()
sage: %time g = E.gens()
CPU times: user 5.65 s, sys: 0.16 s, total: 5.82 s
Wall time: 5.83 s
}}}
As a consequence, the `TestSuite` of matrix spaces would not fully work,
but perhaps it would be worth it. I'll ask sage-devel.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11900#comment:10>
Sage <http://www.sagemath.org>
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