c3f2cff8bc
Lua serialize() is called recursively and concatenates strings. (in Lua that results in a new string on the stack, with 2 unused old strings). Collecting garbage every time becomes expensive, so do it only once at the end. GUI scripts are not memory limited anyway.
Please see the Ardour web site at http://ardour.org/ for all documentation..
For information on building ardour:
http://ardour.org/development.html