``` [] ~/projects/jruby $ jruby -X-C -e "loop { t = Time.now; i = 0; while i < 10_000_000; i+=1; end; puts Time.now - t }" 1.000183 0.9387709999999999 0.882488 0.86739 0.886043 0.878324 ^C [] ~/projects/jruby $ jruby --dev -e "loop { t = Time.now; i = 0; while i < 10_000_000; i+=1; end; puts Time.now - t }" 1.326905 1.3063449999999999 1.295987 1.2966309999999999 1.288379 1.268387 ^C [] ~/projects/jruby $ rvm jruby-9.2.7.0 do ruby -X-C -e "loop { t = Time.now; i = 0; while i < 10_000_000; i+=1; end; puts Time.now - t }" 0.977781 0.889178 0.8946500000000001 0.875446 0.888511 0.859877 0.875551 ^C [] ~/projects/jruby $ rvm jruby-9.2.7.0 do ruby --dev -e "loop { t = Time.now; i = 0; while i < 10_000_000; i+=1; end; puts Time.now - t }" 1.270072 1.2635409999999998 1.237241 1.251475 1.250331 1.21603 ^C ```