Created
June 16, 2017 12:18
-
-
Save Frozenlock/f88502ef5cf947cbc2d51e8d0a524d98 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
;; some speed tests of functions to access nested properties in JS objects. | |
(def test-data (->> (into {} (for [k1 (range 10)] | |
[k1 (into {} (for [k2 (range 10)] | |
[k2 (into {} (for [k3 (range 10)] | |
[k3 k3]))]))])) | |
(clj->js))) | |
(defn aget-apply [o path] | |
(apply aget o path)) | |
(defn oget-in [js-object path] | |
(reduce (fn [o p] | |
(goog.object/getValueByKeys o p)) js-object path)) | |
(defn aget-reduce [o path] | |
(reduce (fn [o p] | |
(aget o p)) o path)) | |
(defn aget-loop [o path] | |
(loop [cur-o o p path] | |
(let [result | |
(aget cur-o (first p))] | |
(if-let [new-path (seq (rest p))] | |
(recur result new-path) | |
result)))) | |
(simple-benchmark [] (aget-apply test-data ["2" "2" "2"]) 100000) ;; --> 339msecs | |
(simple-benchmark [] (oget-in test-data ["2" "2" "2"]) 100000) ;; --> 208msecs | |
(simple-benchmark [] (aget-reduce test-data ["2" "2" "2"]) 100000) ;; --> 134msecs | |
(simple-benchmark [] (aget-loop test-data ["2" "2" "2"]) 100000) ;; --> 84msecs |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment