关键字函数可以被加速。当动态创建关键字进行 XHR 时,这很重要。
当前的补丁现在与 Clojure 更紧密地匹配(使用子串)。它也针对传递字符串进行了优化。
结果
`
(enable-console-print!)
(let [sims 1000000]
(dotimes [_ 2]
(doseq [x ["foo" "foo/bar" [nil "foo"] ["foo" "bar"] [:foo :bar] [nil :foo]]]
(prn "Testing keyword with: " x)
(if (vector? x)
(do (simple-benchmark [[a0 a1] x] (set! js/FOOO (keyword a0 a1)) sims)
(simple-benchmark [[a0 a1] x] (set! js/FOOO (keyword2 a0 a1)) sims))
(do (simple-benchmark [] (set! js/FOOO (keyword x)) sims)
(simple-benchmark [] (set! js/FOOO (keyword2 x)) sims))))))
"测试关键字:" "foo"
[], (set! js/FOOO (keyword x)), 1000000 次运行,194 毫秒
[], (set! js/FOOO (keyword2 x)), 1000000 次运行,71 毫秒
"测试关键字:" "foo/bar"
[], (set! js/FOOO (keyword x)), 1000000 次运行,260 毫秒
[], (set! js/FOOO (keyword2 x)), 1000000 次运行,104 毫秒
"测试关键字:" [nil "foo"] [[a0 a1] x], (set! js/FOOO (keyword a0 a1)), 1000000 次运行,278 毫秒
[[a0 a1] x], (set! js/FOOO (keyword2 a0 a1)), 1000000 次运行,188 毫秒
"测试关键字:" ["foo" "bar"] [[a0 a1] x], (set! js/FOOO (keyword a0 a1)), 1000000 次运行,379 毫秒
[[a0 a1] x], (set! js/FOOO (keyword2 a0 a1)), 1000000 次运行,215 毫秒
"测试关键字:" [:foo :bar] [[a0 a1] x], (set! js/FOOO (keyword a0 a1)), 1000000 次运行,351 毫秒
[[a0 a1] x], (set! js/FOOO (keyword2 a0 a1)), 1000000 次运行,207 毫秒
"测试关键字:" [nil :foo] [[a0 a1] x], (set! js/FOOO (keyword a0 a1)), 1000000 次运行,376 毫秒
[[a0 a1] x], (set! js/FOOO (keyword2 a0 a1)), 1000000 次运行,37 毫秒
`