~/NetBeansProjects/jruby $ jruby -J-server bench_uncaptured_local_vars.rb 
  1.735000   0.000000   1.735000 (  1.735000)
  1.792000   0.000000   1.792000 (  1.791000)
  1.443000   0.000000   1.443000 (  1.444000)
  1.747000   0.000000   1.747000 (  1.747000)
  1.687000   0.000000   1.687000 (  1.688000)
  1.716000   0.000000   1.716000 (  1.716000)
  1.420000   0.000000   1.420000 (  1.420000)
  1.402000   0.000000   1.402000 (  1.402000)
  1.438000   0.000000   1.438000 (  1.437000)
  1.550000   0.000000   1.550000 (  1.550000)
~/NetBeansProjects/jruby $ jruby -J-server -J-Djruby.compile.boxed=true bench_uncaptured_local_vars.rb 
  1.804000   0.000000   1.804000 (  1.803000)
  1.591000   0.000000   1.591000 (  1.591000)
  1.502000   0.000000   1.502000 (  1.501000)
  1.426000   0.000000   1.426000 (  1.427000)
  1.318000   0.000000   1.318000 (  1.318000)
  1.491000   0.000000   1.491000 (  1.492000)
  1.334000   0.000000   1.334000 (  1.335000)
  1.324000   0.000000   1.324000 (  1.324000)
  1.407000   0.000000   1.407000 (  1.407000)
  1.338000   0.000000   1.338000 (  1.338000)