From: ThoML Date: 2008-06-10T01:59:59+09:00 Subject: Re: Ruby vs JRuby Performance > I executed the program using *jruby -J-server* as suggested by ThoML > and results are catastrophic! See the number belows! I only ran it 6 > times. I didn't realize how small the numbers already are. Have you checked the result of time ruby -v time jruby -v just to get a feeling for how much time is spent in startup alone?