May be do need calculation of AABBs? If do it, leak don't observed.
But without AABBs leak have been and for 16k spheres.
Maybe too many interactions to create (nbSpheres^2) in this case?
Yes, that was the cause. I have some graphs now comparing SAP and
QuickSort: http://yade.wikia.com/wiki/Colliders_performace . QuickSort
is always faster and SAP sucks big time on the initial sort (3 hours for
128k spheres!!). Could you also run the test (warning: it takes like 6
hours on a 6 way machine!!)? Maybe QuickSort's speed depends on the
packing density; the one I use is the initial packing generated by
TriaxialTest.
Vaclav
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