#13057: introspection is slow
--------------------------------------------+-------------------------------
       Reporter:  bober                     |         Owner:  mvngu   
           Type:  defect                    |        Status:  new     
       Priority:  major                     |     Milestone:  sage-5.1
      Component:  documentation             |    Resolution:          
       Keywords:  regression introspection  |   Work issues:          
Report Upstream:  N/A                       |     Reviewers:          
        Authors:                            |     Merged in:          
   Dependencies:                            |      Stopgaps:          
--------------------------------------------+-------------------------------

Comment (by ppurka):

 Here are the various timings:
 {{{
 ~» su -c 'sync; echo 3 > /proc/sys/vm/drop_caches'
 Password:
 ~» Installations/sage-4.8.good/sage -q
 sage: from sage.misc.sageinspect import sage_getdoc
 sage: %time L = sage_getdoc(gcd)
 CPU times: user 0.54 s, sys: 0.06 s, total: 0.60 s
 Wall time: 3.09 s
 sage:
 Exiting Sage (CPU time 0m0.66s, Wall time 0m14.59s).
 ~» Installations/sage-5.0.beta2/sage -q
 Loading Sage library. Current Mercurial branch is: main-backup
 sage: from sage.misc.sageinspect import sage_getdoc
 sage: %time L = sage_getdoc(gcd)
 CPU times: user 0.50 s, sys: 0.05 s, total: 0.56 s
 Wall time: 1.61 s
 sage:
 Exiting Sage (CPU time 0m0.61s, Wall time 0m11.66s).
 ~» Installations/sage-5.0.rc0.good/sage -q
 sage: from sage.misc.sageinspect import sage_getdoc
 sage: %time L = sage_getdoc(gcd)
 CPU times: user 1.55 s, sys: 0.09 s, total: 1.64 s
 Wall time: 2.93 s
 sage:
 Exiting Sage (CPU time 0m1.67s, Wall time 0m10.45s).
 ~» Installations/sage-5.1beta0/sage -q
 Loading Sage library. Current Mercurial branch is: trac
 sage: from sage.misc.sageinspect import sage_getdoc
 sage: %time L = sage_getdoc(gcd)
 CPU times: user 1.06 s, sys: 0.08 s, total: 1.14 s
 Wall time: 2.03 s
 sage:
 Exiting Sage (CPU time 0m1.19s, Wall time 0m10.42s).
 }}}

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13057#comment:5>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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