#18320: Polynomial sequences performance improvement
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       Reporter:  malb               |        Owner:
           Type:  enhancement        |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-6.7
      Component:  commutative        |   Resolution:
  algebra                            |    Merged in:
       Keywords:                     |    Reviewers:
        Authors:  Martin Albrecht    |  Work issues:
Report Upstream:  N/A                |       Commit:
         Branch:                     |  33922104bde1089418364b49775b80fdb421c34e
  u/malb/mpolynomial_sequence_performance|     Stopgaps:
   Dependencies:                     |
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Changes (by {'newvalue': u'Martin Albrecht', 'oldvalue': ''}):

 * status:  new => needs_review
 * cc: ​jakobkroeker (added)
 * author:   => Martin Albrecht


Old description:

> For large polynomial sequences many operations take ages because the
> constructor can be slow.

New description:

 For large polynomial sequences many operations take ages because the
 constructor can be slow. For example, substitution and loading from a
 pickle took ages for large systems.

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Ticket URL: <http://trac.sagemath.org/ticket/18320#comment:1>
Sage <http://www.sagemath.org>
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