Running 'awk -f bogobench.awk' 100 times…
  …done.
  real         0.70
  user         0.33
  sys          0.32
  Running 'java bogobench' 100 times…
  …done.
  real        34.25
  user        38.15
  sys          6.71
  Running 'ruby bogobench.rb' 100 times…
  …done.
  real         1.11
  user         0.56
  sys          0.42
  Running 'rbx bogobench.rb' 100 times…
  …done.
  real        41.53
  user        38.42
  sys          2.82

  awk version 20070501
  java version "1.6.0_43"
  ruby 2.0.0p0 (2013-02-24 revision 39474) [x86_64-darwin12.2.0]
  rubinius 2.0.0.rc1 (1.9.3 3981b1d0 yyyy-mm-dd JI) [x86_64-apple-darwin12.3.0]

The submitter is using Rubinius WIP in 1.8.7 mode vs stable and tested releases.