Wincent Colaiuta wrote:
> I'm trying to work out ways to reduce the memory use of one of my
> projects, but I don't know what methods are available to the Ruby
> programmer for profiling memory use and tracking down garbage
> collection problems.

There's a commercial option for Windows:
   http://www.softwareverify.com/productsRuby.html

Never tried it, though Stefan Kaes has raved about the call graph 
profiler, IIRC.

Devin