[racket] The performance of fannkuch-redux

>   I wrote a simple script for fannkuch redux.
> https://github.com/highfly22/fannkuch-redux/blob/master/fannkuch-redux.rkt
>
>   The result of this script is about 10 minutes in my i7 machine, which is
> better than Python, lua and ruby. Is the result expected? Do I miss
> something?


How does it compare to the one in Racket's benchmarks suite?

    http://git.racket-lang.org/plt/blob/HEAD:/collects/tests/racket/benchmarks/shootout/fannkuch-redux.rkt