Benchmark [ :int, :int, :int, :int, :int, :int ], :void performance, 100000x calls

Ruby 1.8.6 with FFI 0.3.0
  0.210000   0.010000   0.220000 (  0.209724)

Ruby 1.9.1-preview with FFI 0.3.0
  0.140000   0.000000   0.140000 (  0.142247)

JRuby FFI (JNA backend)
  1.061000   0.000000   1.061000 (  1.061174)

JRuby FFI (jffi backend)
  0.225000   0.000000   0.225000 (  0.225094)


Benchmark [ :int, :int, :int ], :void performance, 100000x calls
Ruby 1.8.6 with FFI 0.3.0
  0.180000   0.000000   0.180000 (  0.180590)

Ruby 1.9.1-preview with FFI 0.3.0
  0.130000   0.000000   0.130000 (  0.128490)

JRuby FFI (JNA backend)
  0.788000   0.000000   0.788000 (  0.787388)

JRuby FFI (jffi backend)
  0.102000   0.000000   0.102000 (  0.101855)