#19077: Greatly speed up equality check of equal graphs
-------------------------------------+-------------------------------------
       Reporter:  novoselt           |        Owner:
           Type:  enhancement        |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-6.9
      Component:  graph theory       |   Resolution:
       Keywords:                     |    Merged in:
        Authors:  Andrey             |    Reviewers:  Jori Mäntysalo
  Novoseltsev                        |  Work issues:
Report Upstream:  N/A                |       Commit:
         Branch:                     |  6e83ae06e04597ddcf92cd981f4f690c4b57deef
  u/novoselt/graph_eq                |     Stopgaps:
   Dependencies:                     |
-------------------------------------+-------------------------------------

Comment (by jmantysalo):

 Speedup confirmed. After `P7 = Posets(7).list()` the command
 `P=Posets.ChainPoset(7)` took about 635 microseconds, after this patch it
 takes about 540 microseconds. I ran the test on i5-3470 @ 3.20GHz.

 You can mark this as positive_review. Or if you want, check my comment
 above.

--
Ticket URL: <http://trac.sagemath.org/ticket/19077#comment:5>
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