gistfile1.txt

test_jruby$ cat test4.rb

require 'benchmark'
def rb_test1(a,b) return a+b end
Benchmark.bm do |x|
  x.report("ruby") { for i in 1..10000000 do rb_test1(1,2) end }
end

test_jruby$ ruby test4.rb 
      user     system      total        real
ruby  4.530000   0.010000   4.540000 (  4.640754)
test_jruby$ jruby test4.rb
      user     system      total        real
ruby  2.032000   0.000000   2.032000 (  2.032000)
test_jruby$