From: George Dupre Date: 2012-05-24T02:29:57+09:00 Subject: Re: Memory-efficient set of Fixnums Alright, using Robert Klemme's BitSet class, Brian Candler's suggestion for the full database mixed with Sets for intermediate steps did the trick. It may be a bit too slow, but nothing unreasonable, and some time can realistically be saved here and there. Thank you very much for your valuable help. Best regards, George -- Posted via http://www.ruby-forum.com/.