From: Slava Kravchenko <slava.kravchenko@...>
Date: 2011-05-20T05:10:27+09:00
Subject: Re: Manual Memory Management and Automatic Garbage Collection

You could also take a look at ObjectSpace class and its methods, esp. "garbage_collect" and "define_finalizer". But if I'm not mistaken, they won't instantly initialize GC - as it was said earlier, Ruby decides when it's best to do that alone by itself.