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January 26, 2017 10:34
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Deoptimization due to polymorphic `func.apply(context, arguments)`
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function functionToCheckMonomorphic(functionToApplyMonomorphic) { | |
functionToApplyMonomorphic.apply(null, arguments); | |
} | |
function functionToCheckPolymorphic(functionToApplyPolymorphic) { | |
functionToApplyPolymorphic.apply(null, arguments); | |
} | |
const functionToApplyCommon1 = function () {}; | |
const functionToApplyCommon2 = function () {}; | |
const functionToApplyArrow = () => {}; | |
console.time('functionToCheckMonomorphic'); | |
for (let i = 0; i < 1e7; i++) { | |
functionToCheckMonomorphic(functionToApplyCommon1); | |
if (i % 1e6 === 0) functionToCheckMonomorphic(functionToApplyCommon2); | |
} | |
console.timeEnd('functionToCheckMonomorphic'); | |
console.time('functionToCheckPolymorphic'); | |
for (let i = 0; i < 1e7; i++) { | |
functionToCheckPolymorphic(functionToApplyCommon1); | |
if (i % 1e6 === 0) functionToCheckPolymorphic(functionToApplyArrow); | |
} | |
console.timeEnd('functionToCheckPolymorphic'); |
Author
vsemozhetbyt
commented
Jan 25, 2017
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