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trying to catch performance impact of mixins in node
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'use strict' | |
const v8 = require('v8-natives') | |
// requires node v6+ as --allow-natives-syntax is changed | |
const Benchmark = require('benchmark') | |
const suite = new Benchmark.Suite() | |
const MixinOne = (Base) => class extends Base {} | |
const MixinTwo = (Base) => class extends Base {} | |
const MixinThree = (Base) => class extends Base {} | |
const MixinFour = (Base) => class extends Base {} | |
const MixinFive = (Base) => class extends Base {} | |
class Base { | |
foo () { | |
return Math.random() | |
} | |
} | |
class MyModelOne extends MixinOne(Base) {} | |
class MyModelTwo extends MixinTwo(MixinOne(Base)) {} | |
class MyModelThree extends MixinThree(MixinTwo(MixinOne(Base))) {} | |
class MyModelFour extends MixinFour(MixinThree(MixinTwo(MixinOne(Base)))) {} | |
class MyModelFive extends MixinFive(MixinFour(MixinThree(MixinTwo(MixinOne(Base))))) {} | |
v8.neverOptimizeFunction(Base) | |
v8.neverOptimizeFunction(MyModelOne) | |
v8.neverOptimizeFunction(MyModelTwo) | |
v8.neverOptimizeFunction(MyModelThree) | |
v8.neverOptimizeFunction(MyModelFour) | |
v8.neverOptimizeFunction(MixinOne) | |
v8.neverOptimizeFunction(MixinTwo) | |
v8.neverOptimizeFunction(MixinThree) | |
v8.neverOptimizeFunction(MixinFour) | |
v8.neverOptimizeFunction(constructOne) | |
v8.neverOptimizeFunction(constructTwo) | |
v8.neverOptimizeFunction(constructThree) | |
v8.neverOptimizeFunction(constructFour) | |
v8.neverOptimizeFunction(constructFive) | |
function constructOne () { | |
return (new MyModelOne().foo()) | |
} | |
function constructTwo () { | |
return (new MyModelTwo().foo()) | |
} | |
function constructThree () { | |
return (new MyModelThree().foo()) | |
} | |
function constructFour () { | |
return (new MyModelFour().foo()) | |
} | |
function constructFive () { | |
return (new MyModelFive().foo()) | |
} | |
const n = 100000 | |
suite.add('1 mixin', function () { | |
let bar = 0 | |
for (let i; i < n; i++) | |
bar = bar + constructOne() | |
return bar | |
}).add('2 mixin', function () { | |
let bar = 0 | |
for (let i; i < n; i++) | |
bar = bar + constructTwo() | |
return bar | |
}).add('3 mixin', function () { | |
let bar = 0 | |
for (let i; i < n; i++) | |
bar = bar + constructThree() | |
return bar | |
}).add('4 mixin', function () { | |
let bar = 0 | |
for (let i; i < n; i++) | |
bar = bar + constructFour() | |
return bar | |
}).add('5 mixin', function () { | |
let bar = 0 | |
for (let i; i < n; i++) | |
bar = bar + constructFive() | |
return bar | |
}).on('complete', function() { | |
console.log('Fastest is ' + this.filter('fastest').map('name')); | |
}).on('cycle', function(event) { | |
console.log(String(event.target)); | |
}).run({ 'async': true }) | |
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