[[Note: I do not have access to my work mail right now, so I'm doing 
this quite blind - please excuse me if I've got the name wrong below...]]

Hi Jens -

A couple of weeks ago Ming Zhang had noted that btt was using tremendous 
amounts of memory to accomplish a run. After looking at the code, and 
doing some testing, I determined the cause - please find a patch to the 
latest tree that seems to fix the problem for me...

Thanks for pointing this out Ming!

Alan

PS. /If/ anyone tries this, and there is an issue, I'll only see my home 
e-mail (Alan.Brunelle@pobox.com) until Monday 9 April 2007...