+--------+----------+----------+----------+----------+----------+
| :bench | :user    | :system  | :total   | :real    | :stddev  |
+--------+----------+----------+----------+----------+----------+
| :for   | 0.001167 | 0.000000 | 0.001167 | 0.001361 | 0.002609 |
| :times | 0.000667 | 0.000000 | 0.000667 | 0.000681 | 0.001491 |
| :upto  | 0.004500 | 0.000000 | 0.004500 | 0.006710 | 0.008790 |
+--------+----------+----------+----------+----------+----------+