> I'm wondering why the first few thousands of transformations are running > smoothly and then the performance degrades!
Hitting the swapper knee, I suspect. Yes, it's the user's responsibility to release cached information, when it's no longer needed, by discarding the Transformer. ______________________________________ "You build world of steel and stone I build worlds of words alone Skilled tradespeople, long years taught: You shape matter; I shape thought." (http://www.songworm.com/lyrics/songworm-parody/ShapesofShadow.html)
