+-------------------+--------------------------------------------------------+
| :ruby             | :measure                                               |
+-------------------+--------------------------------------------------------+
| jruby 1.6.3       | +--------+----------+----------+----------+----------+ |
|                   | | :bench | :user    | :system  | :total   | :real    | |
|                   | +--------+----------+----------+----------+----------+ |
|                   | | :for   | 0.007000 | 0.000000 | 0.007000 | 0.007000 | |
|                   | | :times | 0.004000 | 0.000000 | 0.004000 | 0.003000 | |
|                   | | :upto  | 0.003000 | 0.000000 | 0.003000 | 0.003000 | |
|                   | +--------+----------+----------+----------+----------+ |
| rubinius 1.2.5dev | +--------+----------+----------+----------+----------+ |
|                   | | :bench | :user    | :system  | :total   | :real    | |
|                   | +--------+----------+----------+----------+----------+ |
|                   | | :for   | 0.000000 | 0.000000 | 0.000000 | 0.000263 | |
|                   | | :times | 0.000000 | 0.000000 | 0.000000 | 0.000219 | |
|                   | | :upto  | 0.024002 | 0.000000 | 0.024002 | 0.036378 | |
|                   | +--------+----------+----------+----------+----------+ |
| rubinius 2.0.0dev | +--------+----------+----------+----------+----------+ |
|                   | | :bench | :user    | :system  | :total   | :real    | |
|                   | +--------+----------+----------+----------+----------+ |
|                   | | :for   | 0.000000 | 0.000000 | 0.000000 | 0.000297 | |
|                   | | :times | 0.000000 | 0.000000 | 0.000000 | 0.000281 | |
|                   | | :upto  | 0.000000 | 0.000000 | 0.000000 | 0.000278 | |
|                   | +--------+----------+----------+----------+----------+ |
| ruby 1.8.7        | +--------+----------+----------+----------+----------+ |
|                   | | :bench | :user    | :system  | :total   | :real    | |
|                   | +--------+----------+----------+----------+----------+ |
|                   | | :for   | 0.000000 | 0.000000 | 0.000000 | 0.000230 | |
|                   | | :times | 0.000000 | 0.000000 | 0.000000 | 0.000233 | |
|                   | | :upto  | 0.000000 | 0.000000 | 0.000000 | 0.000273 | |
|                   | +--------+----------+----------+----------+----------+ |
| ruby 1.9.2p290    | +--------+----------+----------+----------+----------+ |
|                   | | :bench | :user    | :system  | :total   | :real    | |
|                   | +--------+----------+----------+----------+----------+ |
|                   | | :for   | 0.000000 | 0.000000 | 0.000000 | 0.000182 | |
|                   | | :times | 0.000000 | 0.000000 | 0.000000 | 0.000172 | |
|                   | | :upto  | 0.000000 | 0.000000 | 0.000000 | 0.000170 | |
|                   | +--------+----------+----------+----------+----------+ |
| ruby 1.9.3dev     | +--------+----------+----------+----------+----------+ |
|                   | | :bench | :user    | :system  | :total   | :real    | |
|                   | +--------+----------+----------+----------+----------+ |
|                   | | :for   | 0.000000 | 0.000000 | 0.000000 | 0.000192 | |
|                   | | :times | 0.000000 | 0.000000 | 0.000000 | 0.000180 | |
|                   | | :upto  | 0.000000 | 0.000000 | 0.000000 | 0.000161 | |
|                   | +--------+----------+----------+----------+----------+ |
+-------------------+--------------------------------------------------------+