#13991: Mitigate speed regressions in symmetric function related code due to
#12313
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Reporter: nbruin | Owner: sage-combinat
Type: enhancement | Status: new
Priority: major | Milestone: sage-5.7
Component: combinatorics | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by SimonKing):
One very astonishing difference is that without #12313, Hom (or anything
else from sage.categories.homset) is not called at all!!! Note that the
list without #12313 is complete.
I expected that it would be called once, and then cached. But why is no
homset created, even though coercion maps should certainly be involved?
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13991#comment:6>
Sage <http://www.sagemath.org>
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