On Sat, Mar 13, 2010 at 1:59 PM, CuppoJava <[email protected]>wrote:
> Hi,
> I just ran these two microbenchmarks, where I attempted to measure the
> overhead in Clojure's loop-recur form as compared to just mutating an
> array.
>
> ;;loop-recur (5300 msecs)
> (time
> (dotimes [n 5000]
> (loop [accum (int 0) i (int 0)]
> (if (< i 50000)
> (recur (+ accum i) (inc i))
> accum))))
>
; ~720ms
(time
(dotimes [n 5000]
(loop [accum (int 0) i (int 0)]
(if (< i (int 50000))
(recur (+ accum i) (inc i))
accum))))
You have to remember that even number literals need to be type-hinted.
David
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