#15792: A previously fixed regression has reappeared
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   Reporter:  SimonKing    |            Owner:
       Type:  defect       |           Status:  new
   Priority:  major        |        Milestone:  sage-6.2
  Component:  performance  |         Keywords:
  Merged in:               |          Authors:
  Reviewers:               |  Report Upstream:  N/A
Work issues:               |           Branch:
     Commit:               |     Dependencies:
   Stopgaps:               |
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 In #11900, some regressions were fixed that have been introduced in #9138.
 It seems that one of the examples from #11900 shows a regression again:
 {{{
 sage: %time D = J0(46).endomorphism_ring().discriminant()
 CPU times: user 10.07 s, sys: 0.20 s, total: 10.27 s
 }}}
 with the current master. That's almost twice as much as it used to be
 pre-#9138 and post-#11900. Alright, it's a different computer. But still,
 there seems to be an issue.

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Ticket URL: <http://trac.sagemath.org/ticket/15792>
Sage <http://www.sagemath.org>
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