#19585: Improve efficiency of calling GAP functions
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       Reporter:  jaanos             |        Owner:
           Type:  enhancement        |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-6.10
      Component:  interfaces         |   Resolution:
       Keywords:  GAP functions      |    Merged in:
  interface                          |    Reviewers:  Travis Scrimshaw
        Authors:  Janoš Vidali       |  Work issues:
Report Upstream:  N/A                |       Commit:
         Branch:                     |  f59926575333e34976901f92c1f070e0c168a0b9
  u/tscrim/improve_calling_gap_function-19585|     Stopgaps:
   Dependencies:                     |
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Comment (by nbruin):

 Replying to [comment:16 dimpase]:
 > interestingly, libGAP is quite slow here.
 ...
 > I guess there handling of `P` and `S` on the Sage side is not optimal...

 That is one possibility. It could also be that libGap gets compiled with
 different optimization settings and/or that the memory manager underneath
 is different and affects execution. It could really be worthwhile if
 someone knowledgeable about libGap would run some of these examples
 through a profiler (gperftool perhaps?) and compare the execution profiles
 between Gap and libGap.

--
Ticket URL: <http://trac.sagemath.org/ticket/19585#comment:17>
Sage <http://www.sagemath.org>
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