Hi there,
Maybe I should clarify this on the homepage: Shed Skin uses the Boehm garbage collector. Perhaps because it was so easy to use, and I have never had a problem with it, I completely forgot to mention it 
A sidenote on memory management: there are some interesting techniques in the (java) literature that can turn many a heap allocation into stack- or static preallocation, greatly improving performance for some programs. Unfortunately the rest of the compiler is enough work for now, so that I cannot look into this. but it can bring memory performance even closer to that of manual C++, which is the goal of shed skin, of course ^^
Commenting by HaloScan
