#6027: [with patch, positive review] get_memory_usage() sucks performance wise 
on
OSX
----------------------+-----------------------------------------------------
 Reporter:  mabshoff  |       Owner:  mabshoff  
     Type:  defect    |      Status:  new       
 Priority:  critical  |   Milestone:  sage-4.0.2
Component:  porting   |    Keywords:            
 Reviewer:            |      Author:            
   Merged:            |  
----------------------+-----------------------------------------------------

Comment(by ncalexan):

 Applies clean, tested fine on sage.math.  After patch on OS X 10.5:

 {{{
 sage: sage.misc.getusage.get_memory_usage()
 141.22265625
 sage: %timeit sage.misc.getusage.get_memory_usage()
 100 loops, best of 3: 5.24 ms per loop
 sage: sage.misc.darwin_utilities
 sage.misc.darwin_utilities
 sage: sage.misc.darwin_utilities.darwin_memory_usage()
 148082688L
 sage: %timeit sage.misc.darwin_utilities.darwin_memory_usage()
 100 loops, best of 3: 5.22 ms per loop
 }}}

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6027#comment:5>
Sage <http://sagemath.org/>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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