#9944: categories for polynomial rings
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Reporter: robertwb | Owner: nthiery
Type: defect | Status: needs_work
Priority: major | Milestone: sage-4.7.1
Component: categories | Resolution:
Keywords: | Work_issues:
Upstream: N/A | Reviewer: Nicolas M.
Thiéry, Mike Hansen, Martin Raum
Author: Robert Bradshaw, Simon King | Merged:
Dependencies: |
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Comment(by SimonKing):
Replying to [comment:47 jdemeyer]:
> There is a huge performance regression in creating iterated polynomial
rings:
> ...
> sage: %time for n in range(11): S = PolynomialRing(S,'w')
Note that the whole point of this ticket is to do more things during
initialisation of polynomial rings. So, no surprise that initialisation
becomes a lot slower. However, I agree that it should not be ''that''
slow.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9944#comment:48>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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