#715: Parents probably not reclaimed due to too much caching
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 Reporter:  robertwb          |        Owner:  somebody  
     Type:  defect            |       Status:  new       
 Priority:  major             |    Milestone:  sage-3.2.1
Component:  basic arithmetic  |   Resolution:            
 Keywords:                    |  
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Comment (by robertwb):

 The coercion model needs to use weakrefs so that parents aren't needlessly
 referenced when they're discarded. It is nontrivial to see where the
 weakrefs need to go, and how to do so without slowing the code down.

 The ticket is still valid.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/715#comment:4>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of 
Reinventing the Wheel
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