#11900: Serious regression caused by #9138
---------------------------+------------------------------------------------
   Reporter:  SimonKing    |          Owner:  tbd                  
       Type:  defect       |         Status:  needs_review         
   Priority:  major        |      Milestone:  sage-4.7.3           
  Component:  performance  |       Keywords:  categories regression
Work_issues:               |       Upstream:  N/A                  
   Reviewer:               |         Author:  Simon King           
     Merged:               |   Dependencies:  #9138 #11911         
---------------------------+------------------------------------------------

Comment(by SimonKing):

 FWIW: Here is an example that should show that the regression is fixed.

 I tested `./sage -t devel/sage/sage/schemes/`. I obtain the following
 total running times:

  * With sage-4.7.3.alpha0: 621.9 seconds
  * plus #9138:  665.2 seconds
  * plus #11900: 595.4 seconds

 {{{
 sage: (621.9-595.4)/621.9
 0.0426113523074449
 sage: (621.9-665.2)/621.9
 -0.0696253416948063
 }}}
 So, the 7% regression from #9138 has been turned into a 4% speed-up.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11900#comment:89>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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