评论者：mfikes
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加速摘要
Engine small, medium, with sub-object
V8: 1.42, 1.31, 1.19
SpiderMonkey: 1.14, 1.48, 1.41
JavaScriptCore: 1.48, 1.58, 1.62
Nashorn: 1.27, 1.36, 1.20
ChakraCore: 1.49, 1.77, 1.77
之前
使用V8进行基准测试
[obj (js-obj "a" 1 "b" 2)], (pr-str obj), 1000 runs, 74 msecs
[obj (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6)], (pr-str obj), 1000 runs, 84 msecs
[sub-obj (js-obj "g" 7 "h" 8 "i" 9 "j" 10) obj (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6 "s" sub-obj)], (pr-str obj), 1000 runs, 75 msecs
使用SpiderMonkey进行基准测试
[obj (js-obj "a" 1 "b" 2)], (pr-str obj), 1000 runs, 95 msecs
[obj (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6)], (pr-str obj), 1000 runs, 92 msecs
[sub-obj (js-obj "g" 7 "h" 8 "i" 9 "j" 10) obj (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6 "s" sub-obj)], (pr-str obj), 1000 runs, 134 msecs
使用JavaScriptCore进行基准测试
[obj (js-obj "a" 1 "b" 2)], (pr-str obj), 1000 runs, 46 msecs
[obj (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6)], (pr-str obj), 1000 runs, 41 msecs
[sub-obj (js-obj "g" 7 "h" 8 "i" 9 "j" 10) obj (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6 "s" sub-obj)], (pr-str obj), 1000 runs, 55 msecs
使用Nashorn进行基准测试
[obj (js-obj "a" 1 "b" 2)], (pr-str obj), 1000 runs, 1228 msecs
[obj (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6)], (pr-str obj), 1000 runs, 1048 msecs
[sub-obj (js-obj "g" 7 "h" 8 "i" 9 "j" 10) obj (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6 "s" sub-obj)], (pr-str obj), 1000 runs, 620 msecs
使用ChakraCore进行基准测试
[obj (js-obj "a" 1 "b" 2)], (pr-str obj), 1000 runs, 55 msecs
[obj (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6)], (pr-str obj), 1000 runs, 76 msecs
[子对象 (js-obj "g" 7 "h" 8 "i" 9 "j" 10) 对象 (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6 "s" 子对象)], (pr-str 对象), 1000 次运行，129 毫秒
之后
使用V8进行基准测试
[对象 (js-obj "a" 1 "b" 2)], (pr-str 对象), 1000 次运行，52 毫秒
[对象 (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6)], (pr-str 对象), 1000 次运行，64 毫秒
[子对象 (js-obj "g" 7 "h" 8 "i" 9 "j" 10) 对象 (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6 "s" 子对象)], (pr-str 对象), 1000 次运行，63 毫秒
使用SpiderMonkey进行基准测试
[对象 (js-obj "a" 1 "b" 2)], (pr-str 对象), 1000 次运行，83 毫秒
[对象 (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6)], (pr-str 对象), 1000 次运行，62 毫秒
[子对象 (js-obj "g" 7 "h" 8 "i" 9 "j" 10) 对象 (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6 "s" 子对象)], (pr-str 对象), 1000 次运行，95 毫秒
使用JavaScriptCore进行基准测试
[对象 (js-obj "a" 1 "b" 2)], (pr-str 对象), 1000 次运行，31 毫秒
[对象 (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6)], (pr-str 对象), 1000 次运行，26 毫秒
[子对象 (js-obj "g" 7 "h" 8 "i" 9 "j" 10) 对象 (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6 "s" 子对象)], (pr-str 对象), 1000 次运行，34 毫秒
使用Nashorn进行基准测试
[对象 (js-obj "a" 1 "b" 2)], (pr-str 对象), 1000 次运行，970 毫秒
[对象 (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6)], (pr-str 对象), 1000 次运行，769 毫秒
[子对象 (js-obj "g" 7 "h" 8 "i" 9 "j" 10) 对象 (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6 "s" 子对象)], (pr-str 对象), 1000 次运行，518 毫秒
使用ChakraCore进行基准测试
[对象 (js-obj "a" 1 "b" 2)], (pr-str 对象), 1000 次运行，37 毫秒
[对象 (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6)], (pr-str 对象), 1000 次运行，43 毫秒
[子对象 (js-obj "g" 7 "h" 8 "i" 9 "j" 10) 对象 (js-obj "a" 1 "b" 2 "c" 3 "d" 4 "e" 5 "f" 6 "s" 子对象)], (pr-str 对象), 1000 次运行，73 毫秒
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