## JRuby 1.1.4
                                              user     system      total        real
1m foo calls                              2.503000   0.000000   2.503000 (  2.502973)
1m send :foo                              4.828000   0.000000   4.828000 (  4.827949)
1m send 'foo'                             4.966000   0.000000   4.966000 (  4.965629)
1m send "#{x}"                            9.780000   0.000000   9.780000 (  9.780868)
1m 10th sub send :foo                    10.058000   0.000000  10.058000 ( 10.058092)
1m 20th sub send :foo                    15.716000   0.000000  15.716000 ( 15.715763)
1m 30th sub send :foo                    21.548000   0.000000  21.548000 ( 21.547895)
## JRuby 1.1.5
                                              user     system      total        real
1m foo calls                              1.558000   0.000000   1.558000 (  1.558850)
1m send :foo                              1.952000   0.000000   1.952000 (  1.951640)
1m send 'foo'                             2.478000   0.000000   2.478000 (  2.478070)
1m send "#{x}"                            5.231000   0.000000   5.231000 (  5.231240)
1m 10th sub send :foo                     2.083000   0.000000   2.083000 (  2.082650)
1m 20th sub send :foo                     2.055000   0.000000   2.055000 (  2.055413)
1m 30th sub send :foo                     2.048000   0.000000   2.048000 (  2.048745)