Created
November 29, 2016 07:54
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Clojure delay benchmark
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(ns test-delay | |
(:import [java.util.concurrent CyclicBarrier])) | |
(defn benchmark-delay [threads] | |
(let [n (rand-int 100) | |
d (delay (inc n)) | |
ret (inc n) | |
^CyclicBarrier barrier (CyclicBarrier. (+ threads 1))] | |
(dotimes [_ threads] | |
(-> | |
(Thread. | |
(fn [] | |
(.await barrier) | |
(dotimes [_ 10000] | |
(when-not (= @d ret) | |
(println "deref error"))) | |
(.await barrier))) | |
(.start))) | |
(.await barrier) | |
(.await barrier) | |
(println "ret:" ret "@d:" @d))) |
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