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Kristen Kaasbjerg wrote:
Hi again One more thing I discovered is that the IntersectionDetector has a memory leak (probably due to the undeleted GNode pointer). This is relevant for the new eval function of the DiscreteFunction class, which initiates an IntersectionDetector everytime the DiscreteFunction is evaluated at a point. So many calls to the eval function will eat up the memory!
Why do you create a new intersection detector on each evaluation??? It cost a lot more computation to initialize the search tree than to do the search. That is, if your mesh is constant you save a lot of computation by only constructing the IntersectionDetector once.
As for the memory leak, it is a known bug (http://www.fenics.org/cgi-bin/bugzilla/show_bug.cgi?id=26) and some work has been done to figure out what is going on.
Dag
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