#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-5.8
Component: combinatorics | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: #13605 | Stopgaps:
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Comment (by nbruin):
Replying to [comment:31 leif]:
> Haven't tried to yet. Just noticed the slowdown because testing the
file in ptestlong timed out. And rerunning the test shows "excessive"
memory usage, at least compared to Sage 5.7.beta4.
Yes, that is as expected. The problem was diagnosed that continued
duplication of parents rather than reuse, so that's both slow and memory
intensive. Note that #13605 has positive review now. Merging that ticket
should resolve the regression completely.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13991#comment:32>
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