Hello Robert, I did reproduce the time you reported and it seems to me my first guess ("garbage collection") was a wrong one. The collection is not activated for TNode's. I have no explanation yet. Valery > A small followup on my earlier message. Actually my macro doesn't take > _hours_ to delete the geometry it only takes: > > destroy geometry Real time 0:31:59, CP time 1919.090 > done destruction > > 32 minutes. Though it did _used_ to take hours but I restructured > things so that all the 484x192 strips weren't in the top level node > but were more hierarchical (192 strips inside each of 484 planes). > > Valeri Fine suggested that this behavour could be due to garbage collection > during the deletion of the shape's THashList and node's TList (hierarchy). > Is there some way to flag a TList (and derivatives) turn this garbage > collection activity off? A quick glance at TList (and ancestors) didn't > seem to turn up anything. I also didn't see what exactly triggers > the garbage collection -- guess I have to study the code carefully > to find that out. > > -robert >
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